Question

1 Multiple Choice 3 points A sprinter had an average acceleration of -2.5 m/s² over a 2 second period of a race. Her velocity could have changed from: 9.5 m/s to 7 m/s 8.5 m/s to 4 m/s 7 m/s to 9 m/s 4.5 m/s to 8 m/s none of the above Clear my selection

Name: 1 multiple choice 3 points a sprinter had an average acceleration of 25 ms2 over a 2 second period of a race her velocity could have changed from 95 ms to 7 ms 85 ms to 4 ms 7 ms to 9 ms 45 74266
Uploaded: 2023-09-04T15:17:31-08:00
Duration: 1 min 32 s
Channel: Madhur L
Description: 1 multiple choice 3 points a sprinter had an average acceleration of 25 ms2 over a 2 second period of a race her velocity could have changed from 95 ms to 7 ms 85 ms to 4 ms 7 ms to 9 ms 45 74266

          1
Multiple Choice 3 points
A sprinter had an average acceleration of -2.5 m/s² over a 2 second period of a race. Her velocity could have changed from:
9.5 m/s to 7 m/s
8.5 m/s to 4 m/s
7 m/s to 9 m/s
4.5 m/s to 8 m/s
none of the above
Clear my selection

1 multiple choice 3 points a sprinter had an average acceleration of 25 ms2 over a 2 second period of a race her velocity could have changed from 95 ms to 7 ms 85 ms to 4 ms 7 ms to 9 ms 45 74266

Added by Richard C.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Madhur L

09/04/2023

Step 1

5 \text{ m/s}^2$ over a 2-second period. We need to find which of the given options represents a possible change in her velocity. The formula for average acceleration is: $a_{avg} = \frac{\Delta v}{\Delta t} = \frac{v_f - v_i}{\Delta t}$ Where: $a_{avg}$ is the Show more…

Show all steps

Thanks for your feedback!

1 Multiple Choice 3 points A sprinter had an average acceleration of -2.5 m/s² over a 2 second period of a race. Her velocity could have changed from: 9.5 m/s to 7 m/s 8.5 m/s to 4 m/s 7 m/s to 9 m/s 4.5 m/s to 8 m/s none of the above Clear my selection