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9. A baseball has a mass of 0.2kg. a. If the velocity of the pitch the ball is 30m/s and after being batted it is 50m/s in the opposite direction, find the change in momentum of the ball and the impulse of the blow. b. If the ball remains in contact with the ball for 0.002 sec, find the average force of the blow.

9. A baseball has a mass of 0.2kg. a. If the velocity of the pitch the ball is 30m/s and after being batted it is 50m/s in the opposite direction, find the change in momentum of the ball and the impulse of the blow. b. If the ball remains in contact with the ball for 0.002 sec, find the average force of the blow.

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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9. A baseball has a mass of 0.2kg. a. If the velocity of the pitch the ball is 30m/s and after being batted it is 50m/s in the opposite direction, find the change in momentum of the ball and the impulse of the blow. b. If the ball remains in contact with the ball for 0.002 sec, find the average force of the blow. 10. What is the average power expended to accelerate a bullet of 15grams mass to a speed of 900 m/sec in 1.3 milliseconds?
Transcribed Image Text:9. A baseball has a mass of 0.2kg. a. If the velocity of the pitch the ball is 30m/s and after being batted it is 50m/s in the opposite direction, find the change in momentum of the ball and the impulse of the blow. b. If the ball remains in contact with the ball for 0.002 sec, find the average force of the blow. 10. What is the average power expended to accelerate a bullet of 15grams mass to a speed of 900 m/sec in 1.3 milliseconds?
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