Principles of Physics 11th ISV Edition · Rolling, Torque, and Angular Momentum · Problem 10
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Walker, Halliday & Resnick — Rolling, Torque, and Angular Momentum: Problem 10
10 A hollow sphere of radius 0.15 m, with rotational inertia $I = 0.048 \text{ kg} \cdot \text{m}^2$ about a line through its center of mass, rolls without slipping up a surface inclined at $30^\circ$ to the horizontal. At a certain initial position, the sphere’s total kinetic energy is 20 J. (a) How much of this initial kinetic energy is rotational? (b) What is the speed of the center of mass of the sphere at the initial position? When the sphere has moved 1.0 m up the incline from its initial position, what are (c) its total kinetic energy and (d) the speed of its center of mass?
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주어진 조건: 10 A, 0.15 m, 20 J, 1.0 m
구하는 것: (a) How much of this initial kinetic energy is rotational?; (b) What is the speed of the center of mass of the sphere at the; (c) its total kinetic energy and
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Principles of Physics · 11th ISV Edition
저자: Walker, Halliday & Resnick
출판사: Wiley
단원: Rolling, Torque, and Angular Momentum