Figure below shows v(t) for a world-class track sprinter in a 100-m race. (a) What is his average velocity for the first 4 s? (b) What is his instantaneous velocity at t = 5 s ? (c) What is his average acceleration between 0 and 4 s? (d) What is his time for the race? (e) Draw the corresponding acceleration graph.

Physics for Scientists and Engineers, Technology Update (No access codes included)
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ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter39: Relativity
Section: Chapter Questions
Problem 39.5CQ
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Figure below shows v(t) for a world-class track sprinter in a 100-m race. (a) What is his average velocity for the first 4 s? (b) What is his instantaneous velocity at t = 5 s ? (c) What is his average acceleration between 0 and 4 s? (d) What is his time for the race? (e) Draw the corresponding acceleration graph.
Runner Velocity
14
12
10
8
6
4
2
4
8.
10
12
time, t (seconds)
velocity, v (meters/second
2.
Transcribed Image Text:Runner Velocity 14 12 10 8 6 4 2 4 8. 10 12 time, t (seconds) velocity, v (meters/second 2.
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