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A0.21-kg apple falls from a tree to the ground, 4.0 m

Physics | 4th Edition | ISBN: 9780321611116 | Authors: James S. Walker ISBN: 9780321611116 152

Solution for problem 29 Chapter 8

Physics | 4th Edition

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Physics | 4th Edition | ISBN: 9780321611116 | Authors: James S. Walker

Physics | 4th Edition

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Problem 29

A0.21-kg apple falls from a tree to the ground, 4.0 m below. Ignoring air resistance, determine the apples kinetic energy, K, the gravitational potential energy of the system, U, and the total mechanical energy of the system, E, when the apples height above the ground is (a)4.0 m, (b)3.0 m, (c)2.0 m, (d)1.0 m, and (e) 0 m. Take ground level to be

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Lectures 8 nd Dynamics ­ KINEMATICS describes “how” things move, DYNAMICS describes “why” things move ­ Unbalanced Force causes motion to c hange (Δv ) Force → a physical uantity escribing how hard and in what direction acceleration is moving (push or pull) ­ Requires an agent a nd object ­ Is a vector Contact Force ­ Physically touches o bject ­ The agent is exactly what is in contact with the object Long Range Force ­ Not touching (gravity is the only one

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Chapter 8, Problem 29 is Solved
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Textbook: Physics
Edition: 4
Author: James S. Walker
ISBN: 9780321611116

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A0.21-kg apple falls from a tree to the ground, 4.0 m