Principles of Physics 11th ISV Edition · Rolling, Torque, and Angular Momentum · Problem 39
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Walker, Halliday & Resnick — Rolling, Torque, and Angular Momentum: Problem 39
39 The angular momentum of a flywheel having a rotational inertia of $0.140 \text{ kg}\cdot\text{m}^2$ about its central axis decreases from $3.00$ to $0.800 \text{ kg}\cdot\text{m}^2/\text{s}$ in $1.50 \text{ s}$. (a) What is the magnitude of the average torque acting on the flywheel about its central axis during this period? (b) Assuming a constant angular acceleration, through what angle does the flywheel turn? (c) How much work is done on the wheel? (d) What is the average power of the flywheel?
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구하는 것: (a) What is the magnitude of the average torque acting on the fl; (b) Assuming a constant angular acceleration; (c) How much work is done on the wheel?
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Principles of Physics · 11th ISV Edition
저자: Walker, Halliday & Resnick
출판사: Wiley
단원: Rolling, Torque, and Angular Momentum