A tennis ball with a mass of 60 grams is moving at 20 m/s. It is struck so that it returns back along the direction it came from at 22 m/s. If the contact time between the ball and the racket was 70 ms, what was the average force exerted on the ball by the racket?
A tennis ball with a mass of 60 grams is moving at 20 m/s. It is struck so that it returns back along the direction it came from at 22 m/s. If the contact time between the ball and the racket was 70 ms, what was the average force exerted on the ball by the racket?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Momentum And Collisions
Section: Chapter Questions
Problem 4OQ: A 57.0-g tennis ball is traveling straight at a player at 21.0 m/s. The player volleys the ball...
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A tennis ball with a mass of 60 grams is moving at 20 m/s. It is struck so that it returns back along the direction it came from at 22 m/s. If the contact time between the ball and the racket was 70 ms, what was the average force exerted on the ball by the racket?
i need help and step by step numbers pluged in
i got this Δp = pf − pi = mvf − (−mvi) = m(vf + vi) = 2.52 kg · m/s
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