Newton’s second law in component form
Olympic 100-m dash start At the start of his race, 86-kg Olympic 100-m champion Usain Bolt from Jamaica pushes against the starting block, exerting an average force of 1700 N. The force that the block exerts on his foot points 20o above the horizontal. Determine his horizontal speed after the force is exerted for 0.32 s. Indicate any assumptions you made.
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