A 1.8 kg solid disk pulley of radius 0.11 m rotates about an axis through its center

(a) What is its moment of inertia?
(b) Starting from rest, a torque of 0.22 m-N will produce what angular acceleration?


(a) 1.1 × 10-2 kg ? m2
(b) 20. rad/s2

Physics & Space Science

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A pendulum of length L is suspended from the ceiling of an elevator. When the elevator is at rest the period of the pendulum is T. How does the period of the pendulum change when the elevator moves upward with constant velocity?

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