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A.3.2 A large wrecking ball is used to destroy an old building. The operator want to ensure that he understands he oscillations, so he uses a maximum angle of only 6.0°. When the ball is at maximum amplitude, he starts timing he motion. a. He realizes that a full cycle lasts 7 s. What is the length of the chain that holds the wrecking ball? Answer: 12.2 m. b. Find s(t) or 0(t). Answer: s(t) = 1.27 m sin(0.898t +T/2). c. Find 0 such that the potential and kinetic energies are equal. (Gravitational potential energy). Answer: 4.24°.

A.3.2 A large wrecking ball is used to destroy an old building. The operator want to ensure that he understands he oscillations, so he uses a maximum angle of only 6.0°. When the ball is at maximum amplitude, he starts timing he motion. a. He realizes that a full cycle lasts 7 s. What is the length of the chain that holds the wrecking ball? Answer: 12.2 m. b. Find s(t) or 0(t). Answer: s(t) = 1.27 m sin(0.898t +T/2). c. Find 0 such that the potential and kinetic energies are equal. (Gravitational potential energy). Answer: 4.24°.

College Physics
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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A large wrecking ball is used to destroy an old building. The operator want to ensure that he understands the oscillations, so he uses a maximum angle of only 6.0°. When the ball is at maximum amplitude, he starts timing A.3.2 the motion. a. He realizes that a full cycle lasts 7s. What is the length of the chain that holds the wrecking ball? Answer: 12.2 m. b. Find s(t) or 0(t). Answer: s(t) = 1.27 m sin(0.898t +T/2). c. Find 0 such that the potential and kinetic energies are equal. (Gravitational potential energy). Answer: 4.24°.
Transcribed Image Text:A large wrecking ball is used to destroy an old building. The operator want to ensure that he understands the oscillations, so he uses a maximum angle of only 6.0°. When the ball is at maximum amplitude, he starts timing A.3.2 the motion. a. He realizes that a full cycle lasts 7s. What is the length of the chain that holds the wrecking ball? Answer: 12.2 m. b. Find s(t) or 0(t). Answer: s(t) = 1.27 m sin(0.898t +T/2). c. Find 0 such that the potential and kinetic energies are equal. (Gravitational potential energy). Answer: 4.24°.
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