During the pitching motion, Clayton Kershaw exerted an average horizontal force of 60 N against the 0.15 kg baseball while moving it through a horizontal displacement of 2.0 m before he released it. How much work did Kershaw do to the baseball as a result of this force? Was the work done positive or negative? If the baseball’s velocity at the start of the pitching action was zero, how fast was the ball moving at the instant of release?
During the pitching motion, Clayton Kershaw exerted an average horizontal force of 60 N against the 0.15 kg baseball while moving it through a horizontal displacement of 2.0 m before he released it. How much work did Kershaw do to the baseball as a result of this force? Was the work done positive or negative? If the baseball’s velocity at the start of the pitching action was zero, how fast was the ball moving at the instant of release?
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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- During the pitching motion, Clayton Kershaw exerted an average horizontal force of 60 N against the 0.15 kg baseball while moving it through a horizontal displacement of 2.0 m before he released it.
- How much work did Kershaw do to the baseball as a result of this force?
- Was the work done positive or negative?
- If the baseball’s velocity at the start of the pitching action was zero, how fast was the ball moving at the instant of release?
- Why didn’t he start Game 7 of the World Series??????
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