A typical male sprinter can maintain his maximum acceleration for 2.0 s and his maximum speed is
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A typical male sprinter can maintain his maximum acceleration for 2.0 s and his maximum speed is 10 m/s. After reaching this maximum speed, his acceleration becomes zero and then he runs at constant speed. Assume that his acceleration is constant during the first 2.0 s of the race, that he starts from rest, and that he runs in a straight line.
(a) How far has the sprinter run when he reaches his maximum speed?
(b) What is the magnitude of his average velocity for a race of the following lengths:
(i) 50.0 m,
(ii) 100.0 m,
(iii) 200.0 m?
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Related Book For
University Physics with Modern Physics
ISBN: 978-0321696861
13th edition
Authors: Hugh D. Young, Roger A. Freedman, A. Lewis Ford
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