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Name: 1. A pitcher accelerates a 0.14kg hardball from rest to 42.5m/s in 0.0
Uploaded: 2024-03-20T06:57:25.000Z
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Description: 1. A pitcher accelerates a 0.14kg hardball from rest to 42.5m/s in 0.060 s.(a)How much work does the pitcher do on the ball?(b) What is the pitcher's power output during the pitch?(c)Suppose the ball reaches 42.5m/s in less than 0.060 s. Is the power

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 38PE: (a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a...

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1. A pitcher accelerates a 0.14kg hardball from rest to 42.5m/s in 0.060 s.(a)How much work does the pitcher do on the ball?(b) What is the pitcher's power output during the pitch?(c)Suppose the ball reaches 42.5m/s in less than 0.060 s. Is the power produced by the pitcher in this case more than, less than, or the same as the power found in part(b)? Explain and draws.

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