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A racquet ball with mass m = 0.248 kg is moving toward the wall at v = 16.5 m/s and at an angle of 0 = 31° with respect to the horizontal. The ball makes a perfectly elastic collision with the solid, frictionless wall and rebounds at the same angle with respect to the horizontal. While the ball is in contact with the wall, the average force the wall exerts on the ball has a magnitude of F = 89 N. 1) What is the magnitude of the initial momentum of the racquet ball? 4.092 kg-m/s Submit 2) What is the magnitude of the change in momentum of the racquet ball? 7 kg-m/s Submit + 3) What is the time the ball is in contact with the wall? 0.079 S Submit + 4) Now the racquet ball is moving straight toward the wall at a velocity of vj = 16.5 m/s. The ball makes an inelastic collision with the solid wall and leaves the wall in the opposite direction at vf = -10.9 m/s. The ball is in contact with the wall for the same amount of time as in the elastic collision above. What is the magnitude of the change in momentum of the racquet ball? kg-m/s Submit. + 5) What is the magnitude of the average force the wall exerts on the ball?

A racquet ball with mass m = 0.248 kg is moving toward the wall at v = 16.5 m/s and at an angle of 0 = 31° with respect to the horizontal. The ball makes a perfectly elastic collision with the solid, frictionless wall and rebounds at the same angle with respect to the horizontal. While the ball is in contact with the wall, the average force the wall exerts on the ball has a magnitude of F = 89 N. 1) What is the magnitude of the initial momentum of the racquet ball? 4.092 kg-m/s Submit 2) What is the magnitude of the change in momentum of the racquet ball? 7 kg-m/s Submit + 3) What is the time the ball is in contact with the wall? 0.079 S Submit + 4) Now the racquet ball is moving straight toward the wall at a velocity of vj = 16.5 m/s. The ball makes an inelastic collision with the solid wall and leaves the wall in the opposite direction at vf = -10.9 m/s. The ball is in contact with the wall for the same amount of time as in the elastic collision above. What is the magnitude of the change in momentum of the racquet ball? kg-m/s Submit. + 5) What is the magnitude of the average force the wall exerts on the ball?

College Physics
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 4 and 5, please.

A racquet ball with mass m = 0.248 kg is moving toward the wall at v = 16.5 m/s and at an angle of 0 = 31° with respect to the horizontal. The ball makes a perfectly elastic collision with the solid, frictionless wall and rebounds at the same angle with respect to the horizontal. While the ball is in contact with the wall, the average force the wall exerts on the ball has a magnitude of F = 89 N. 1) What the magnitude of the initial momentum of the racquet ball? 4.092 kg-m/s Submit + 2) What is the magnitude of the change in momentum of the racquet ball? 7 kg-m/s Submit +) 3) What is the time the ball is in contact with the wall? 0.079 IS Submit 4) Now the racquet ball is moving straight toward the wall at a velocity of vj = 16.5 m/s. The ball makes an inelastic collision with the solid wall and leaves the wall in the opposite direction at vf = -10.9 m/s. The ball is in contact with the wall for the same amount of time as in the elastic collision above. What is the magnitude of the change in momentum of the racquet ball? kg-m/s Submit 5) What is the magnitude of the average force the wall exerts on the ball? N Submit
Transcribed Image Text:A racquet ball with mass m = 0.248 kg is moving toward the wall at v = 16.5 m/s and at an angle of 0 = 31° with respect to the horizontal. The ball makes a perfectly elastic collision with the solid, frictionless wall and rebounds at the same angle with respect to the horizontal. While the ball is in contact with the wall, the average force the wall exerts on the ball has a magnitude of F = 89 N. 1) What the magnitude of the initial momentum of the racquet ball? 4.092 kg-m/s Submit + 2) What is the magnitude of the change in momentum of the racquet ball? 7 kg-m/s Submit +) 3) What is the time the ball is in contact with the wall? 0.079 IS Submit 4) Now the racquet ball is moving straight toward the wall at a velocity of vj = 16.5 m/s. The ball makes an inelastic collision with the solid wall and leaves the wall in the opposite direction at vf = -10.9 m/s. The ball is in contact with the wall for the same amount of time as in the elastic collision above. What is the magnitude of the change in momentum of the racquet ball? kg-m/s Submit 5) What is the magnitude of the average force the wall exerts on the ball? N Submit
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