1) A 150-g ball is moving with a velocity of 23.0 m/s directed 30- below the horizontal just before it strikes vertical wall. The ball leaves the wall 50 ms later with a velocity of 15.2 m/s directed 40- below the horizontal. (a) What are momenta of the ball before and after collision? Express your answer in Cartesian unit vectors. (b) What is the magnitude and direction of average force exerted on the ball by the wall? (The collision is so fast that effect of gravity can be ignored.) 30* 40

1) A 150-g ball is moving with a velocity of 23.0 m/s directed 30- below the horizontal just before it strikes vertical wall. The ball leaves the wall 50 ms later with a velocity of 15.2 m/s directed 40- below the horizontal. (a) What are momenta of the ball before and after collision? Express your answer in Cartesian unit vectors. (b) What is the magnitude and direction of average force exerted on the ball by the wall? (The collision is so fast that effect of gravity can be ignored.) 30* 40

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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Question

1) A 150-g ball is moving with a velocity of 23.0 m/s directed 30-
below the horizontal just before it strikes vertical wall. The ball
leaves the wall 50 ms later with a velocity of 15.2 m/s directed 40-
below the horizontal. (a) What are momenta of the ball before and
after collision? Express your answer in Cartesian unit vectors. (b)
What is the magnitude and direction of average force exerted on the
ball by the wall? (The collision is so fast that effect of gravity can be
ignored.)
30*
40

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