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1. A person holds his outstretched arm at rest in a horizontal position. The mass the arm is m and the length (L) is 0.74. When the person releases his arm, allowing it to fall freely, it begins to rotate about the shoulder point. Find the angular acceleration of the arm at this moment.

1. A person holds his outstretched arm at rest in a horizontal position. The mass the arm is m and the length (L) is 0.74. When the person releases his arm, allowing it to fall freely, it begins to rotate about the shoulder point. Find the angular acceleration of the arm at this moment.

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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1. A person holds his outstretched arm at rest in a horizontal position. The mass the arm is m and the length (L) is 0.74. When the person releases his arm, allowing it to fall freely, it begins to rotate about the shoulder point. Find the angular acceleration of the arm at this moment. Assume: Moment of Inertia = (1/3) mL² Mass= S Length: 0.74 Moment of Inertia= (1 horizontal surt A cat walks along a uniform board that is 4.0 meters long and has a mass of e board is supported by two sawhorses, one 0.44 m from the left end, the ot 5 m from the right end. When the cat reaches the right end, the board just gins to tip. What is the mass of the cat?
Transcribed Image Text:1. A person holds his outstretched arm at rest in a horizontal position. The mass the arm is m and the length (L) is 0.74. When the person releases his arm, allowing it to fall freely, it begins to rotate about the shoulder point. Find the angular acceleration of the arm at this moment. Assume: Moment of Inertia = (1/3) mL² Mass= S Length: 0.74 Moment of Inertia= (1 horizontal surt A cat walks along a uniform board that is 4.0 meters long and has a mass of e board is supported by two sawhorses, one 0.44 m from the left end, the ot 5 m from the right end. When the cat reaches the right end, the board just gins to tip. What is the mass of the cat?
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