At the instant a race began, a 65-kg sprinter exerted a force of 720 N on the

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At the instant a race began, a 65-kg sprinter exerted a force of 720 N on the starting block at a 22o angle with respect to the ground.
(a) What was the horizontal acceleration of the sprinter?
(b) If the force was exerted for 0.32s, with what speed did the sprinter leave the starting block?
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College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

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