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?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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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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