The specifications for a ceiling fan you have just bought, Ask an Expert

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The specifications for a ceiling fan you have just bought indicate that the total moment of inertia of its blades is 0.13 kg · m2 and they experience a net torque of 1.6 N · m.

(a) What is the angular acceleration of the blades?

rad/s2

(b) When the blades rotate at 200 rpm what is the rotational kinetic energy?

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