A Certain Merry-Go-Round Is Accelerated Uniformly from Rest and Attains

question 42

Multiple Choice

A certain merry-go-round is accelerated uniformly from rest and attains an angular speed of 1.2 rad/s in the first 18 seconds. If the net applied torque is 1200 N . m, what is the moment of inertia of the merry-go-round?

• A)1400 kg . m²
• B)18 000 kg . m²
• C)9000 kg . m²
• D)500 kg . m²
• E)This cannot be determined since the radius is not specified.

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