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quinta-feira, 26 de setembro de 2024

Physics - A student trying out for the football team kicks the football straight

A student trying out for the football team kicks the football straight up in the air. The ball hits him on the way back down. If it took 3.0 s from the time when the student punted the ball until he gets hit by the ball, what was the football’s initial velocity?

Answer
Choose a coordinate system with up as the positive direction and the origin at the punter. Choose the initial time at the punt and the final time at the top of the football’s flight.

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