Physics 1.8: Average Speed & Average Velocity
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1 Physics 1.8: Average Speed & Average Velocity ICan2Ed, Inc. Average speed is defined as the total distance covered divided by the time interval. Adding all the distances of the sections of travel and dividing by the total time in seconds is the a s of the Average velocity is defined as the total straight-line displacement between two different locations over the time interval. The total displacement divided by the number of seconds is the a v of the This is Jeff, who is competing in a horse race. Both the overall average s and the overall average v will be calculated. This is the route of the race. The red description is the distance covered between rest areas, providing for the calculation of average s. 1
2 The blue description is the straight-line displacement covered between rest areas, providing for the calculation of the average v between rest areas. When loping along, a horse averages 15 kilometers per hour. Jeff completed the race in hours, not including time at each stop for rest. This equation will be used to calculate Jeff s a s for the race. When loping along, a horse averages 15 kilometers per hour. Jeff completed the race in hours, not including time at each stop for rest. This equation will be used to calculate Jeff s a v for the race. The straight line over the letter or word means the a of. Average velocity is defined as the total straight-line displacement between two different locations divided by the time interval. The total displacement divided by the number of seconds is the a v of the 2
3 The straight line over the letter or word means the a of the total sections. The first step in calculating the a s is to add up all the separate distances. Jeff traveled a total of 354 kilometers. Step 1: Add all sections of the distances covered during the journey to determine the total d of the race. Jeff traveled a total of 354 kilometers. The next step is to replace the word distance or the letter d with the total d covered in the race. Step 2: Plug the total d covered into the equation. The next step is to add the amount of time taken for the journey. Jeff had a t of hours to complete the race. 3
4 Step 3: Insert the total t required to The final step is to divide the total d covered by the amount of t it took to finish the race. Step 4: Divide the total distance of the race by the total time it took to complete the course to calculate the a s. Average velocity is defined as the total straight-line displacement between two different locations divided by the time interval. The total displacement divided by the number of seconds is the a v of the The straight line over the letter or word means the a of the total sections. Step 1: Add all sections of the distances covered during the journey to determine the total d of the race. Step 2: Plug the total d covered into the equation. 4
5 Step 3: Insert the total t required to Step 4: Divide the total distance of the race by the total time it took to complete the course to calculate the a s. This is the route of the race. The blue description is the straight-line displacement covered between rest areas, providing for the calculation for v between rest areas. This is the route of the race. The green line (green arrow) is the straight-line displacement covered between the start of the race and the finish of the race, providing for the calculation of the average v. Velocity is calculated between sections of the race. A v is calculated as a straight line displacement only from the start to the finish of the race. 5
6 The total displacement of the race is 80km, which Jeff completed in hours. This equation will be used to calculate the a v when Jeff has completed the race. The first step is to replace the d in the equation with the total d of 80 km. Step 1: Replace the letters in the equation with the n from the description. The straight line displacement to complete the race is 80km. The next step is to add the amount of time taken for the journey. Jeff had a t of hours to complete the race. Step 2: Insert the total t required to 6
7 The final step is to divide the total d covered by the amount of t it took to finish the race. Step 3: Divide the total displacement of the race by the total time it took to complete the course to calculate the a v. Average velocity is defined as the total straight-line displacement between two different locations divided by the time interval. The total displacement divided by the number of seconds is the a v of the The straight line over the letter or word means the a of. Step 1: Add all sections of the distances covered during the journey to determine the total d of the race. 7
8 Step 2: Plug the total d covered into the equation. Step 3: Insert the total t required to Step 1: Replace the letters in the equation with the n from the description. The straight line displacement to complete the race is 80km. Step 2: Insert the total t required to Step 3: Divide the total displacement of the race by the total time it took to complete the course to calculate the a v. Review 8
9 Step 1: Plug the total d covered into the equation. Step 2: Insert the total t required to Step 3: Divide the total distance of the race by the total time it took to complete the course to calculate the a s. Adding the total displacement of travel and dividing by the total time in seconds is the a v of the Step 1: Replace the letters in the equation with the n from the description. Step 2: Insert the total t required to Step 3: Divide the total displacement of the race by the total time it took to complete the course to calculate the a v. 9
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