Problem

The moment of inertia of the disk about O is I -20 kg-m2. At t = 0. the stationary disk is...

The moment of inertia of the disk about O is I -20 kg-m2. At t = 0. the stationary disk is subjected to a constant 50 N-m torque.

(a) What is the magnitude of the resulting angular acceleration of the disk?
(b) How fast is the disk rotating (in rpm) at t = 4 s?

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Solutions For Problems in Chapter 18

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