A sprinter accelerates at the beginning of a 100-meter race and then tries to maintain maximum speed
Question:
A sprinter accelerates at the beginning of a 100-meter race and then tries to maintain maximum speed throughout the rest of the race.
a. What external force is responsible for accelerating the runner at the beginning of the race? Explain carefully how this force is produced.
b. Once the runner reaches her maximum velocity, is it necessary to continue pushing against the track in order to maintain that velocity? Explain.
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a The external force which is responsible for accelerating the ...View the full answer
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Related Book For 
Physics of Everyday Phenomena A conceptual Introduction to physics
ISBN: 978-0073512112
6th edition
Authors: W. Thomas Griffith, Juliet W. Brosing
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