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# A 50 g ball is thrown from a window with an initial

## Problem 119 Chapter 8

Fundamentals of Physics | 10th Edition

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Fundamentals of Physics | 10th Edition

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Problem 119

A 50 g ball is thrown from a window with an initial velocity of 8.0 m/s at an angle of 30# above the horizontal. Using energy methods, determine (a) the kinetic energy of the ball at the top of its flight and (b) its speed when it is 3.0 m below the window. Does the answer to (b) depend on either (c) the mass of the ball or (d) the initial angle?

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Chapter 3 Key Terms of Bioenergetics  Energy – capacity to do work  Work – application of force over distance – Force * distance = work  Power = work / time – Work done quickly as fast as possible  Metabolism – total amount of energy expended  Anaerobic Metabolism – without oxygen  Aerobic Metabolism – oxygen must be present for...

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