6. Intro to Forces (Dynamics)
Forces & Kinematics
6:13 minutes
Problem 4.40b
Textbook Question
Textbook Question(II) At the instant a race began, a 65-kg sprinter exerted a force of 720 N on the starting block at a 22° angle with respect to the ground.
(b) If the force was exerted for 0.32 s, with what speed did the sprinter leave the starting block?
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