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Solved: A pendulum consists of a small object hanging from

Physics, | 9th Edition | ISBN: 9780470879528 | Authors: John D. Cutnell, Kenneth W. Johnson ISBN: 9780470879528 211

Solution for problem 6.115 Chapter 6

Physics, | 9th Edition

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Physics, | 9th Edition | ISBN: 9780470879528 | Authors: John D. Cutnell, Kenneth W. Johnson

Physics, | 9th Edition

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Problem 6.115

A pendulum consists of a small object hanging from the ceiling at the end of a string of negligible mass. The string has a length of 0.75 m. With the string hanging vertically, the object is given an initial velocity of 2.0 m/s parallel to the ground and swings upward on a circular arc. Eventually, the object comes to a momentary halt at a point where the string makes an angle with its initial vertical orientation and then swings back downward. Find the angle .

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1. Transforming energy A. Energy is not lost it is just converted to less important forms B. Work into a system: positive C. Work out of a system: negative D. Work includes electric energy into and out of motors and generators E. Energy output= energy input F. Thermal energy is irreversible a. Energy isn't lost but it is less efficient 2. Efficiency A. A. Larger the loss of energy in a system, the lower the efficiency a. Comes from 1. Process limitations 2. Fundamental limitations 1. 1. Energy in the body A. Energy inputs a. ATP b. Burning food transform

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Chapter 6, Problem 6.115 is Solved
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Textbook: Physics,
Edition: 9
Author: John D. Cutnell, Kenneth W. Johnson
ISBN: 9780470879528

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Solved: A pendulum consists of a small object hanging from