Name Period Date. Record all givens, draw a picture, arrow all vectors, write the formula, substitute and solve. units
|
|
- Norman Byrd
- 6 years ago
- Views:
Transcription
1 Example Problems 7.2 Conservation of E1. A monkey fires a 10 kg rifle. The bullet of mass 0.02 kg, leaves with a muzzle of the rifle with a velocity of 310 m/s to the right. What is the recoil velocity of the rifle? v 1,2o = E2. A 60-kg gorilla and a 40-kg monkey face each other on skateboards and touch hands. The gorilla and the monkey start at rest. The monkey pushes the gorilla and the gorilla moves away at a speed of 2 m/s. Calculate the speed of the monkey. v 1,2o = 1
2 E3. A railroad car with a mass of 11,000 kg is moving at 4.5 m/s to the right when it collides and couples with a second car of mass 19,000 kg that is initially at rest. Calculate the final velocity of the coupled rail cars after the collision. v 1,2 f = E4. A kg hockey puck is moving at 24 m/s when it is caught by a 75 kg goalie who is at rest. With what speed do the goalie and the puck slide together after the goalie catches the puck? v 1,2 f = 2
3 E5. A kg bullet strikes a 5.0-kg stationary wooden block and embeds itself in the block. The block and bullet slide off together at 8.6 m/s. What was the original speed of the bullet? v 1,2 f = E6. A kg bullet moving at 475 m/s strikes a 2.5-kg wooden block that is at rest. The bullet passes through the block and exists on the opposite side at a speed of 275 m/s. Calculate how fast the block is moving after the bullet passes through. 3
4 E7. Ball A is traveling at 6.0 m/s when it has a head-on collision with ball B moving in the opposite direction at a speed of 12.0 m/s. Ball A bounces backward at 14 m/s after the collision. If ball A has a mass of 0.50 kg and ball B a mass of 1.0 kg, find the speed of ball B after the collision. E8. A monkey throws a 0.05-kg foam ball in the living room and knocks over his mother s 0.60-kg antique vase. After the collision, the foam ball bounces straight back with a speed of 7.0 m/s, while the vase is moving at 1.3 m/s in the opposite direction. How fast did the monkey throw the football? 4
5 Student Problems 7.2 Conservation of 1. A 2.8 kilogram block and a 1.7 kilogram block are initially at rest on a frictionless, horizontal surface. A compressed spring pushes the two blocks apart. The 2.8-kilogram block moves to the right at 1.5 meters per second, as shown.? 1.5 m/s 1.7 kg 2.8 kg Frictionless horizontal surface What is the speed of the 1.7-kilogram block after the spring is released? v 1,2o = 5
6 2. A monkey fires a 5 kg rifle. The bullet of mass 0.01 kg, leaves with a muzzle with a velocity of 420 m/s to the right. What is the recoil velocity of the rifle? v 1,2o = 3. A 36.3 kg monkey is standing at rest on 2.5 kg skateboard when he decides to jumps off the skateboard sending him in one direction and the skateboard flies off in the opposite direction. The monkey s final velocity is 0.5 m/s to the north, what is the magnitude and the direction of the skateboard s velocity? v 1,2o = 6
7 4. An 82 kg gorilla and a 48 kg monkey pair figure skating team are gliding across the ice at 7.4 m/s to the north, preparing for a throw maneuver. The gorilla tosses the monkey forward with a speed of 8.6 m/s to the north. Determine the magnitude and the direction of the gorilla s velocity immediately after the throw. v 1,2o = 7
8 5. A 5.0-kilogram block is at rest on a friction- less horizontal surface. A 1.5-kilogram lump of clay is propelled horizontally at 4.0 meters per second toward the block as shown in the diagram below Steel block Clay 1.5 kg 4.0 m/s 5.0 kg Frictionless surface Upon the collision, the clay and block stick together and move to the right. What is the combined velocity of the clay and block together? v 1,2 f = 8
9 6. A1000.-kilogram empty cart moving with a speed of 6.0 meters per second is about to collide with a stationary loaded cart having a total mass of kilograms, as shown. After the collision, the carts lock and move together. Calculate the speed of the combined carts after the collision. v = 6.0 m/s v = 0.0 m/s kg kg v 1,2 f = 9
10 7. A 20,000-kg truck driven by a gorilla has a head on collision with a 1,500-kg car driven by a monkey. Just before impact the truck s speed is 5.00 m/s to the west and the car s was 8.00 m/s in the opposite direction towards the east. If the truck and the car stick together after the collision, calculate is the velocity of the wreckage immediately after the collision. v 1,2 f = 8. A bullet (0.068 kg) is shot from a gun and embeds itself into a 2-kg block of wood originally sitting at rest on a table. After the collision, the bullet and the block are moving at 4.93 m/s. What was the original speed of the bullet before the collision? v 1,2 f = 10
11 9. A 1100 kg car traveling north collides head-on with a 2500 kg van traveling south at 8.0 m/s. After the collision the vehicles lock together and travel south at 1.73 m/s. What was the original velocity of the 1100 kg car before the collision? v 1,2 f = 10. A 7-kg bowling ball strikes a 1.5-kg bowling-pin head on. The pin flies off with a speed of 4-m/s and the bowling ball continues at 2-m/s. What was the original speed of the bowling ball before it hit the pin? 11
12 11. A monkey throws his 0.20-kg football in the living room and it knocks over his mother s 0.80-kg antique vase. After the collision, the football bounces straight back with a speed of 3.9 m/s, while the vase is moving at 2.6 m/s in the opposite direction. How fast did the monkey throw the football? 12. A 10-g (0.01 kg) bullet is fired at a speed of 520 m/s into a 0.4-kg wooden block that is initially at rest. The bullet passes through the block and leaves with a speed of 200- m/s. Calculate the final speed of the block after the collision. 12
13 Monkey Busters 7.2 Conservation of 13. A loaded freight car whose mass is 16,000 kg rolls along a level track at a speed of 1.5 m/s toward an empty stationary freight car. The two couple and proceed at a speed of 1.0 m/s. Determine the mass of the empty freight car. Calculate the initial and final kinetic energies. b) 14. A 10-g bullet is fired into a 0.5-kg wooden block which is initially at rest on a horizontal surface. The bullet passes through the block, leaving with a speed of 250 m/s. The block acquires a speed of 8 m/s in the event. Calculate the impact speed of the bullet and the energy dissipated as heat within the block of wood. b) 13
14 15. A 60-kg man, standing on smooth ice, pushes a 10-kg curling stone toward a companion. The companion, whose mass is 70 kg, is sliding on the ice toward the approaching curling stone at a speed of 3 m/s. After the companion catches hold of the curling stone, his forward speed is reduced to 2 m/s. What was the speed of the curling stone on the ice, and what is the velocity of the 60-kg man after he has released the stone? b) 16. A mass of 3 kg moving to the right at a speed of 4 m/s collides with and sticks to a mass of 5 kg that is initially at rest What are the momentum and KE of the system after the collision? b) 14
15 17. A bullet of mass kg is fired into a ballistic pendulum of mass 0.60 kg. If the speed of the bullet at impact is 400 m/s, what is the maximum height of the pendulum s swing? 18. A bullet is fired horizontally into the 1.8-kg block of a ballistic pendulum. The mass of the bullet is 20 g, and the pendulum swings to a height of 1.2 m. What was the speed of the bullet just before it entered the block of wood? 15
16 19. A 34-g bullet is fired up into a block of wood of mass 1.25 kg. The bullet lodges in the wood, which rises to a height of 6 meter. Find the speed of the bullet on impact with the wood. 20. A wooden puck slides due east on an air table with a speed of 1.5 m/s. At the center of the table it collides with an identical puck, which is at rest. The collision is elastic, and following the impact, the two pucks move with equal speeds. Determine the velocity of each puck. b) 16
17 21. A 75-kg man stands on a rectangular raft of mass 45 kg. The man then walks from one end of the 4-m-long raft to the other. How far has the raft moved in the process? 22. A mass of 0.6 kg makes a perfectly elastic head on collision with a mass of 0.4 kg that is initially at rest. Following the collision, the 0.6-kg mass moves at a speed of 2 m/s. Find the initial speed of the 0.6-kg mass and the final speed of the 0.4-kg mass. b) 17
18 23. A mass of 1.2 kg, moving at a speed of 10 m/s, collides head-on with a mass of 0.8 kg, which is at rest. What are the velocities of the two masses following the collision if the collision is ( elastic? (b) perfectly inelastic? b) 24. A 7-kg bowling ball strikes a 1.5-kg bowling pin head-on. Following the collision, the bowling ball continues its forward motion at 2 m/s. Assuming the collision is elastic, find the speed of the bowling pin just after the collision and that of the bowling ball just before it struck the pin. b) 18
Chapter 7. A) The ball B) The putty C) Both experience the same momentum change D) Cannot be determined from the information given
A rubber ball and a lump of putty have equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty sticks to the wall. Which
More information1) What is the magnitude of the momentum of a kg baseball traveling at 45.0 m/s?
Momentum review 6) Two friends are standing on opposite ends of a canoe that is initially at rest with respect to a frictionless lake. The person in the front throws a very massive ball toward the back,
More informationP2c Energy and Momentum Advanced
P2c Energy and Momentum Advanced 47 minutes 47 marks Page 1 of 11 Q1. The picture shows players in a cricket match. (a) A fast bowler bowls the ball at 35 m/s. The ball has a mass of 0.16 kg. Use the equation
More informationPrelab for the Ballistic Pendulum
Ballistic Pendulum 1 Prelab for the Ballistic Pendulum 1. Write the general horizontal and vertical motion Kinematics equations for a horizontally launched projectile. 2. Write the relevant Conservation
More information1. Determine his speed when he reaches the photo radar car.
Physics Unit Review 5 Use the following information to answer the next two questions. Mr. Buffi is cruising at 18.9 m/s when he sees a suspicious car (perhaps a photo radar car?) parked on the side of
More information2 m/s or 2 m/s to the left. To The Questions. Question 1. Answer 1. Question 2. What is the impulse acting on the ball? (Down is positive)
To The Questions 500 1000 1000 500 1 2 4 5000 5 3 200 500 650 7 8 5000 9 10 800 13 11 50 200 12 800 14 50 1000 15 18 16 200 5000 17 1000 19 500 20 50 23 21 50 200 22 50 24 50 25 500 Back to Briefcases
More informationMomentum Review. Momentum Expressed in (SI unit): kg m/s Commonly used symbols: p Conserved: yes Expressed in other quantities: p = mv
Momentum Review Momentum Expressed in (SI unit): kg m/s Commonly used symbols: p Conserved: yes Expressed in other quantities: p = mv Chapter 7 What is momentum? The momentum of an object is defined as
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Hang from a pair of gym rings and the upward support forces of the rings will always
More information/2.35 points Previous Answers GPhys09 9.AC.050.
WebAssign Ch. 9 Momentum - Physics (Homework) Due : Wednesday, October 12 2011 11:00 PM MDT }.1 Current Score : 32.94 / 40 ISAAC PARKER Physics, section T1_P5_C arlson, Instructor: Sarah C arlson The due
More informationChapter 9 QuickCheck Questions. physics FOR SCIENTISTS AND ENGINEERS. a strategic approach THIRD EDITION. randall d. knight
Chapter 9 QuickCheck Questions physics FOR SCIENTISTS AND ENGINEERS a strategic approach THIRD EDITION randall d. knight QuickCheck 9.1 The cart s change of momentum p x is A. 20 kg m/s. B. 10 kg m/s.
More informationAppendix : Categorization Task. Instructions
Appendix : Categorization Task Instructions Your task is to group the 25 problems below based upon similarity of solution into various groups on the sheet of paper provided. Problems that you consider
More informationLab 9 Ballistic Pendulum
b Lab 9 Ballistic Pendulum What You Need To Know: The Physics Today s lab is not going to cover any new physics. However, based on what you ve learned in lecture and in lab, we will be combining together
More informationDYNAMICS PROBLEM SOLVING
DYNAMICS PROBLEM SOLVING 1. An elevator of mass 800 kg accelerates at 3.0 m/s 2 [down]. What force does the cable exert on the elevator? (5400 N) 2. The engine of a train has a mass of 5.0 x 10 4 kg. It
More information5. A bead slides on a curved wire, starting from rest at point A in the figure below. If the wire is frictionless, find each of the following.
Name: Work and Energy Problems Date: 1. A 2150 kg car moves down a level highway under the actions of two forces: a 1010 N forward force exerted on the drive wheels by the road and a 960 N resistive force.
More informationUnit conversions: 9. An defensive lineman weighs 330 pounds. What is his mass in kg (given 2.2 pounds = 1 kg)? 330 lb 1 kg. 2.2 lb 10.
Practice exam semester 1 physics Walk this Way Activity, Graph Sketching and Recognition, Sonic Ranger Lab: Use the graph to the right for q s 1-3 1. Which object(s) is (are) not moving? 2. Which change
More information3) A horse gallops a distance of 10 kilometers in a time of 30 minutes. Its average speed is A) 15 km/h. B) 20 km/h. C) 30 km/h. D) 40 km/h.
Physics Keller Midterm exam review The midterm exam will be seventy questions selected from the following. The questions will be changed slightly, but will remain essentially the same. 1) A truck is moving
More informationTHE BALLISTIC PENDULUM
1. Object THE BALLISTIC PENDULUM To apply the ideas of conservation of momentum and conservation of energy, when appropriate, to the ballistic pendulum experiment. To experimentally measure the velocity
More informationCh06 Work and Energy.notebook November 10, 2017
Work and Energy 1 Work and Energy Force = push or pull Work = force*distance (//) Technically: Work = force*distance*cos θ 2 Sample 1: How much work is done lifting a 5 N weight 3m vertically? 3 Work is
More informationEF 151 Exam 3 - Spring, 2017 Page 1 Copy 1
EF 151 Exam 3 - Spring, 2017 Page 1 Copy 1 Name: Section: Before the Exam Starts: Sit in assigned seat; failure to sit in assigned seat results in a 0 for the exam. Put name and section on your exam. Put
More informationName Period Date. Record all givens, draw a picture, arrow all vectors, write the formula, substitute and solve. units
Example Problems 7.1 E1. A monkey throws a hail marry pass on the last play of the big football game. The 0.43 kg football leaves the monkey s hand at a speed of 59 mph (26.38 m/s),calculate the magnitude
More informationName: SOLUTIONS MIDTERM 2, Spring 2019
Name: SOLUTIONS MIDTERM 2, Spring 2019 Solutions in bold. Print your name clearly above, and write and bubble in your student 800 number on the provided scantron. There are 20 equally-weighted problems
More informationMomentum & Impulse. Chapter 16. While momentum has many common meanings it definition in physics is quite specific.
Chapter 16 Momentum & Impulse While momentum has many common meanings it definition in physics is quite specific. One of the more amazing concepts in physics is the conservation of momentum. When you fire
More informationUnit Conversion Worksheet
Name: Period Date: Unit Conversion Worksheet Conversions 1 hour = 3600 seconds 1 mile = 5280 feet 1 yard = 3 feet 1 meter = 3.28 feet 1 km = 0.62 miles 1 light second = 300,000,000 meters 1 kg = 2.2 lbs
More informationCopyright 2014 Edmentum - All rights reserved.
Copyright 2014 Edmentum - All rights reserved. AP Physics Blizzard Bag 2014-2015 Classical Mechanics 1. A block of mass 4.0 kg is attached to the end of a spring. The spring stiffness constant is 25 N/m.
More informationCollisions Practice Problems
Collisions Practice Problems Elastic Collision Practice Problem 1. Tom and his twin brother Tim have a combined mass of 200.0 kg and are zooming along in a 100.0-kg amusement park bumper car at 10.0 m/s.
More informationDATA EQUATIONS MATH ANSWER
HCP PHYSICS REVIEW SHEET MID TERM EXAM Concepts And Definitions 1. Definitions of fact, hypothesis, law, theory 2. Explain the scientific method 3. Difference between average and instantaneous speed and
More informationPYP 001 First Major Exam Code: Term: 161 Thursday, October 27, 2016 Page: 1
Term: 161 Thursday, October 27, 2016 Page: 1 *Read the following (20) questions and choose the best answer: 1 The motion of a swimmer during 30.0 minutes workout is represented by the graph below. What
More informationMechanical Energy I. Name: Date: Section C D F. Mr. Alex Rawson Physics
Name: Date: Section C D F Mechanical Energy I Mr. Alex Rawson Physics 1. One of the two Olympic weightlifting events is called the Clean and Jerk, shown below. As of Athens 2004, the record for Clean and
More informationThe diagram below represents the path of a stunt car that is driven off a cliff, neglecting friction.
1. A baseball is thrown at an angle of 40.0 above the horizontal. The horizontal component of the baseball s initial velocity is 12.0 meters per second. What is the magnitude of the ball s initial velocity?
More informationUnit: Momentum Impulse Vocabulary
Unit: Momentum Impulse Vocabulary Term Momentum Definition Units: Impulse Units: Impulse-Momentum Law of conservation of momentum Collision Elastic Inelastic 1 Page Momentum p Symbols: p means m v m means
More information3. Approximately how far will an object near Earth's surface fall in 3.0 seconds? m m m m
Page 1 of 5 Sub work 10-10-02 Name 12-OCT-03 1. A car travels a distance of 98 meters in 10. seconds. What is the average speed of the car during this 10.-second interval? 1. 4.9 m/s 3. 49 m/s/ 2. 9.8
More informationPHYSICS REVIEW SHEET 2010 MID-TERM EXAM
PHYSICS REVIEW SHEET 2010 MID-TERM EXAM Concepts And Definitions Definitions of fact, hypothesis, law, theory Explain the scientific method Difference between average and instantaneous speed and speed
More informationCalculate the average acceleration during the 4.6 s time interval. Give your answer to an appropriate number of significant figures.
Q1.The diagram below shows an electric two-wheeled vehicle and driver. (a) The vehicle accelerates horizontally from rest to 27.8 m s 1 in a time of 4.6 s. The mass of the vehicle is 360 kg and the rider
More informationPHYSICS 20 Vectors and Dynamics
NEWTONS 1st LAW 1. A 10.00 kg mass is tied to a string with a maximum strength of 100 N. A second string of equal strength is tied to the bottom of the mass. a) If the bottom string is pulled with a jerk
More informationChapter 6. You lift a 10 N physics book up in the air a distance of 1 meter at a constant velocity of 0.5 m/s. The work done by gravity is
I lift a barbell with a mass of 50 kg up a distance of 0.70 m. Then I let the barbell come back down to where I started. How much net work did I do on the barbell? A) - 340 J B) 0 J C) + 35 J D) + 340
More information6. What net external force is required to give a 25 kg suitcase an acceleration of 2.2 m/s2 to the right? Draw a free-body diagram of the suitcase.
HONORS PHYSICS PROBLEM SET NEWTON S LAWS & FORCES ONE DIMENSIONAL FORCES 1. The net external force on the propeller of a 0.75 kg model airplane is 17 N forward. What is the acceleration of the airplane?
More informationIntroduction. Physics E-1a Expt 4a: Conservation of Momentum and Fall 2006 The Ballistic Pendulum
Physics E-1a Expt 4a: Conservation of Momentum and Fall 2006 The Ballistic Pendulum Introduction Preparation: Before coming to lab, read this lab handout and the suggested reading in Giancoli (through
More informationInstructor: Biswas/Ihas/Whiting PHYSICS DEPARTMENT PHY 2053 Exam 1, 120 minutes October 14, 2009
Instructor: Biswas/Ihas/Whiting PHYSICS DEPARTMENT PHY 2053 Exam 1, 120 minutes October 14, 2009 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on
More informationUnit 2 Review: Projectile Motion
Name: Unit 2 Review: Projectile Motion Date: 1. A projectile is fired from a gun near the surface of Earth. The initial velocity of the projectile has a vertical component of 98 meters per second and a
More informationAP Physics B Fall Final Exam Review
Name: Date: AP Physics B Fall Final Exam Review 1. The first 10 meters of a 100-meter dash are covered in 2 seconds by a sprinter who starts from rest and accelerates with a constant acceleration. The
More informationFrames of Reference. What Do You Think? For You To Do GOALS
Activity 1 A Running Start and Frames of Reference GOALS In this activity you will: Understand and apply Galileo s Principle of Inertia. Understand and apply Newton s First Law of Motion. Recognize inertial
More informationForce and Motion Test Review
Name: Period: Force and Motion Test Review 1. I can tell you that force is.. 2. Force is measured in units called. 3. Unbalanced forces acting on an object will MOST LIKELY cause the object to A. remain
More informationUnit 3 ~ Learning Guide Name:
Unit 3 ~ Learning Guide Name: Instructions: Using a pencil, complete the following notes as you work through the related lessons. Show ALL work as is explained in the lessons. You are required to have
More informationPhysics 23 Exam 1 Spring 2009 Dr. Alward Page 1
Physics 23 Exam 1 Spring 2009 Dr. Alward Page 1 1. An arrow is fired upward at a speed of 100 m/s. What will be its height (in meters) one second before it reaches its maximum height? A) 505 B) 496 C)
More informationReview Problems for Physics A Final
Review Problems for Physics A Final 1. The fastest helicopter, the Westland Lynx, can travel 3.33 km in the forward direction in just 30.0 s.what is the average velocity of this helicopter? Express your
More information7.3.9 Unbalanced forces
7.3.9 Unbalanced forces 77 minutes 116 marks Page 1 of 33 Q1. The graph shows the results of a test in which a car accelerates to its maximum speed. (a) (i) Describe how the acceleration of the car changes
More informationHonors Physics Semester 2 Final Exam Review
Honors Physics Semester 2 Final Exam Review 1600 kg 800 kg 9 m/s A truck with mass 1600 kg collides with a car with mass 800 kg at rest. They stick together and continue to move to the right. 1. What is
More information1. downward 3. westward 2. upward 4. eastward
projectile review 1 Name 11-DEC-03 1. A baseball player throws a ball horizontally. Which statement best describes the ball's motion after it is thrown? [Neglect the effect of friction.] 1. Its vertical
More informationTEACHER ANSWER KEY December 10, Projectile Review 1
Projectile Review 1 TEACHER ANSWER KEY December 10, 2004 4 1. A baseball player throws a ball horizontally. Which statement best describes the ball's motion after it is thrown? [Neglect the effect of friction.]
More informationPHYSICS 218 EXAM 3 Monday, November 19, 2007
PHYSICS 218 EXAM 3 Monday, November 19, 2007 NAME: SECTION: 525 526 527 528 529 530 531 532 Note: 525 Recitation Thurs 2:20 529 Recitation Tues 9:35 526 Recitation Thurs 3:55 530 Recitation Tues 12:45
More informationAP Physics 1 Fall Semester Review Problems 1-10 Due Thursday, Due Friday, Test on Monday
AP Physics 1 Fall Semester Review Problems 1-10 Due Thursday, 11-16 Due Friday, Test on Monday Motion Problems from Unit 1 1. Forest Gump is walking to ping pong practice with Lieutenant Dan at 1.3 m/s
More informationFriction occurs when surfaces slide against each other.
Chapter 12, Section 2 Key Concept: Friction is a force that opposes motion. BEFORE, you learned Gravity is the attractive force masses exert on each other Gravity increases with greater mass and decreases
More informationConcentrating on Collisions
Activity 7 Concentrating on Collisions GOALS In this activity you will: Understand and apply the definition of momentum. Conduct semiquantitative analyses of the momentum of pairs of objects involved in
More informationPhysics P201 D. Baxter/R. Heinz
Seat # Physics P201 D. Baxter/R. Heinz EXAM #1 September 26, 2002 7:00 9:00 PM INSTRUCTIONS 1. Sit in SEAT # given above. 2. DO NOT OPEN THE EXAM UNTIL YOU ARE TOLD TO DO SO. 3. Print your name (last name
More informationKinematics Review. What distance did the object travel in moving from point A to point B? A) 2.5 m B) 10. m C) 20. m D) 100 m
Kinematics Review 1. Base your answer to the following question on the diagram below which represents a 10-kilogram object at rest at point A. The object accelerates uniformly from point A to point B in
More informationYEAR 10 SPORT SCIENCE QUIZ 3 - BIOMECHANICS. MULTIPLE CHOICE QUESTIONS (Circle the correct response)
NME: YER 10 SPORT SIENE QUIZ 3 - IOMEHNIS MULTIPLE HOIE QUESTIONS (ircle the correct response) Question 1 To accelerate from a standing start, a 100m sprinter would need to: minimise the friction between
More informationBiomechanics Sample Problems
Biomechanics Sample Problems Forces 1) A 90 kg ice hockey player collides head on with an 80 kg ice hockey player. If the first person exerts a force of 450 N on the second player, how much force does
More informationREVIEW : KINEMATICS
1 REVIEW 5-4-16: KINEMATICS Kinematics-Defining Motion 1 A student on her way to school walks four blocks east, three blocks north, and another four blocks east, as shown in the diagram. Compared to the
More informationPhysics 117A Exam #1 Fall 2006
Physics 117A Exam #1 Fall 2006 Only calculators and pens/pencils are allowed on your desk. No cell phones or additional scrap paper. You have 1.5 hours to complete the exam. Name Section (Circle): Hutson
More informationExam Unit 5: Motion and Forces
Exam Unit 5: Motion and Forces 1. Aleshia is moving forward at constant speed of 2 m/s. Which statement correctly describes Aleshia s movement? A. Her speed is increasing by 2 m/s every second. B. She
More informationAP Physics 1 Lesson 4 Homework Outcomes Quiz 4 Preparation. Name. Date. Period
Physics 1 Lesson 4 Homework Outcomes Quiz 4 Preparation Name Date Period Practice Problems I. A continuous force of 2.0 N is exerted on a 2.0 kg block to the right. The block moves with a constant horizontal
More informationExam 3 Phys Fall 2002 Version A. Name ID Section
Closed book exam - Calculators are allowed. Only the official formula sheet downloaded from the course web page can be used. You are allowed to write notes on the back of the formula sheet. Use the scantron
More information- a set of known masses, - four weight hangers, - tape - a fulcrum upon which the meter stick can be mounted and pivoted - string - stopwatch
1. In the laboratory, you are asked to determine the mass of a meter stick without using a scale of any kind. In addition to the meter stick, you may use any or all of the following equipment: - a set
More informationQuarterly Science Benchmark Assessment (QSBA) Physical Science. Quarter 1
2014 2015 Quarterly Science Benchmark Assessment (QSBA) Physical Science Quarter 1 Miami-Dade County Public Schools Office of Academics and Transformation INTRODUCTION The Physical Science Quarterly Science
More informationCircular Motion - Horizontal
Circular Motion - Horizontal Outcome(s): explain and apply the concepts of centripetal acceleration and centripetal force, as applied to uniform horizontal circular motion. A bucket being swung around
More informationPhysics Acceleration and Projectile Review Guide
Physics Acceleration and Projectile Review Guide Name: Major Concepts 1-D motion on the horizontal 1-D motion on the vertical Relationship between velocity and acceleration https://www.khanacademy.org/science/physics/one-dimensional-motion/acceleration-tutorial/a/acceleratio
More informationEF 151 Exam #3, Spring, 2015 Page 1 of 5
EF 151 Exam #3, Spring, 2015 Page 1 of 5 Name: Section: Instructions: Put name and section on exam and on equation sheet. Do not open the test until you are told to do so. Write your final answer in the
More information2D Collisions Lab. Read through the procedures and familiarize yourself with the equipment. Do not turn on the
2D Collisions Lab 1 Introduction In this lab you will perform measurements on colliding pucks in two dimensions. The spark table will allow you to determine the velocity and trajectory of the pucks. You
More informationAll work on this packet is my own. I have not done anything to give myself or anyone else an unfair advantage on this assignment.
AP Physics Summer Packet Name: Period: All work on this packet is my own. I have not done anything to give myself or anyone else an unfair advantage on this assignment. Signature: I care significantly
More informationForce, Motion and Energy Review
NAME Force, Motion and Energy Review 1 In the picture to the right, two teams of students are playing tug-of-war. Each team is pulling in the opposite direction, but both teams are moving in the same direction.
More informationExercise on Projectile Motion (Unit-III)
Engineering Mechanics Exercise on Projectile Motion (Unit-III) 1 A projectile is fired with velocity 620 m/s at an angle of 40 with horizontal ground. Find the range, time of flight, maximum height attained
More informationTWO DIMENSIONAL KINEMATICS
PHYSICS HOMEWORK #11 TWO DIMENSIONAL [Remember that ALL vectors must be described by BOTH magnitude and direction!] 1. You walk 250. steps North and then 400. steps East. What is your displacement? (Distance
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A mosquito flying at 3 m/s that encounters a breeze blowing at 3 m/s in the same direction
More informationName Period Date. Record all givens, draw a picture, arrow all vectors, write the formula, substitute and solve. units
Example Problems 3.2 Springs and Hooke s Law E1. An ideal spring has a spring constant of 120 N/m, calculate how large of a force is needed to stretch the spring exactly 0.30 meters. E2. A monkey hangs
More informationPhysics 2204 Review for test 3 Vectors and The first four sections of Unit 2
Physics 2204 Review for test 3 Vectors and The first four sections of Unit 2 1 You set out in a canoe from the east shore of a south-flowing river. To maximize your velocity relative to the shore you should
More informationHockey Scholars: Math and Science Test Study Guide-Answer Key
1. On this scatterplot, the skate blades with the largest radius of hollow are found in: Section C 2. Using this scatterplot, you can conclude that skate blades with the smallest radius of hollow tend
More informationKinematics-Projectiles
1. A volleyball hit into the air has an initial speed of 10 meters per second. Which vector best represents the angle above the horizontal that the ball should be hit to remain in the air for the greatest
More informationUnit 2: Kinematics in 1-D Exam Preparation
Unit 2: Kinematics in 1-D Exam Preparation 1. 1. A bike first accelerates from 0.0 m/s to 5.0 m/s in 4.5 s, then continues at this constant speed for another 4.5 s. What is the total distance traveled
More informationPhysics 8, Fall 2017, Homework #5. Due at start of class on Friday, October 13, 2017
Physics 8, Fall 2017, Homework #5. Due at start of class on Friday, October 13, 2017 Problems marked with (*) must include your own drawing or graph representing the problem and at least one complete sentence
More informationHomework #10 Due Monday, May Compute the moment of inertia of the objects below.
Homework #10 Due Monday, May 1. Compute the moment of inertia of the objects below. θ (a) Compute the moment of inertia of a thin rod of mass M and length R for rotations about its end. Explain why your
More informationEF 151 Final Exam - Spring, 2017 Page 3 Copy 223
EF 151 Final Exam - Spring, 2017 Page 3 Copy 223 Name: Section: 1. Enter your EXAM ID from your seating label. If you don t know your exam ID, enter 000. 0 1 2 3 4 5 6 7 8 9 Digit #1 Digit #2 Digit #3
More informationRube-Goldberg Device
Rube-Goldberg Device The Gnar Machine Team Members Marcus Jeter Tom Cook Issac Sharp Tyson Miller Team Number: 1 EF 151 Section F2 Abstract/Overview: The main purpose of our Rube Goldberg device, The Gnar
More informationI hope you earn one Thanks.
A 0 kg sled slides down a 30 hill after receiving a tiny shove (only enough to overcome static friction, not enough to give significant initial velocity, assume v o =0). A) If there is friction of µ k
More informationCHAPTER 3 TEST REVIEW
AP PHYSICS Name: Period: Date: DEVIL PHYSICS BADDEST CLASS ON CAMPUS 50 Multiple Choice 45 Single Response 5 Multi-Response Free Response 3 Short Free Response 2 Long Free Response AP EXAM CHAPTER TEST
More information1.0 Converting. 1. What is the speed of a person walking at 3.1 mph in m/s? Show your work and box your answer (check your units)
1.0 Converting There are 1,609.34 meters in one mile. One meter equals 3.28 feet. I mph equals 0.44704 m/s 1. What is the speed of a person walking at 3.1 mph in m/s? Show your work and box your answer
More information1 An object moves at a constant speed of 6 m/s. This means that the object:
Slide 1 / 57 1 n object moves at a constant speed of 6 m/s. This means that the object: Increases its speed by 6 m/s every second ecreases its speed by 6 m/s every second oesn t move Has a positive acceleration
More information-Elastic strain energy (duty factor decreases at higher speeds). Higher forces act on feet. More tendon stretch. More energy stored in tendon.
As velocity increases ( ) (i.e. increasing Froude number v 2 / gl) the component of the energy cost of transport associated with: -Internal kinetic energy (limbs accelerated to higher angular velocity).
More informationA tennis player hits a ball at a height of 2.4 m. The ball has an initial horizontal velocity.
1991 Q31 A tennis player hits a ball at a height of 2.4 m. The ball has an initial horizontal velocity. The ball just passes over the net which is 0.6 m high and 6 m away from her. (Neglect air friction.)
More informationSTATION 1: HOT WHEELIN PHYSICS 1. Define Newton s First Law. 2. Describe the motion of the untaped washer when the car hits the pencils.
Name Date Period STATION 1: HOT WHEELIN PHYSICS 1. Define Newton s First Law. 2. Describe the motion of the untaped washer when the car hits the pencils. 3. Describe the motion of the taped washer when
More informationRegents Exam Practice: Measurement, Kinematics, Free Fall, PJM, and UCM
Regents Exam Practice: Measurement, Kinematics, Free Fall, PJM, and UCM 1. Which quantity and unit are correctly paired? 2. Which is a derived unit? meter second kilogram Newton 3. The fundamental unit
More informationKinematics 1. A. coefficient of friction between the cart and the surface. B. mass of the cart. C. net force acting on the cart
Kinematics 1 Name: Date: 1. 4. A cart moving across a level surface accelerates uniformly at 1.0 meter per second 2 for 2.0 seconds. What additional information is required to determine the distance traveled
More informationPotential and Kinetic Energy: The Roller Coaster Lab Student Version
Potential and Kinetic Energy: The Roller Coaster Lab Student Version Key Concepts: Energy is the ability of a system or object to perform work. It exists in various forms. Potential Energy is the energy
More informationPhysics: Principles and Applications, 6e Giancoli Chapter 3 Kinematics in Two Dimensions; Vectors. Conceptual Questions
Physics: Principles and Applications, 6e Giancoli Chapter 3 Kinematics in Two Dimensions; Vectors Conceptual Questions 1) Which one of the following is an example of a vector quantity? A) distance B) velocity
More informationAP Physics 1 - Test 04 - Projectile Motion
P Physics 1 - Test 04 - Projectile Motion Score: 1. stone thrown from the top of a tall building follows a path that is circular made of two straight line segments hyperbolic parabolic a straight line
More informationDEMONSTRATIONS Fall 2007 WEEK# TUE SEP 4 THUR SEP 6 2 ) B133 B93 B137 CLASS DATE. Registration Day. Vector Arrows
1 SEP 4 Registration Day THUR SEP 6 Vector Arrows Bicycle Wheel & Rotating Stool B133 Giant Pendulum B93 Astroblaster Bicyclewheel Gyroscope B137 2 SEP 11 Monkey and Gun Relative Motion Gun (Spring Gun
More informationChapter 12. Properties of Gases
Properties of Gases Each state of matter has its own properties. Gases have unique properties because the distance between the particles of a gas is much greater than the distance between the particles
More informationWhich student do you agree with (if any)? Please explain your reasoning.
Practice Test 1 1. Shown below is a speed-time graph for a cart moving in front of the motion sensor. For convenience it has been divided into five sections (A,B,C,D,E). B C D A E During each of the five
More informationMECHANICS: VECTORS QUESTIONS. Janet s car and springs (2015;3)
MECHANICS: VECTORS QUESTIONS Janet s car and springs (2015;3) Janet arrives home. She parks the car on a slope that is at 12 to the horizontal, as shown in the diagram Draw labelled arrows to show the
More informationAP Physics 1 Multiple Choice Questions - Chapter 3
1 Resolve a speed vector of 25 m/s @ 55 above the horizontal into x and y components. a 8.25i + 7.55j b 7.55i + 8.25 j c 14.33i + 20.48j d 20.48i + 14.33j e None of the above 2 Resolve a momentum vector
More information2. A homemade car is capable of accelerating from rest to 100 km hr 1 in just 3.5 s. Assuming constant acceleration, find:
Preliminary Work 1. A motorcycle accelerates uniformly from rest to a speed of 100 km hr 1 in 5 s. Find: (a) its acceleration (b) the distance travelled in that time. [ Answer: (i) a = 5.56 ms 2 (ii) x
More information