A Certain Wheel Has a Rotational Inertia of 12 Kg∙m²

question 15

Multiple Choice

A certain wheel has a rotational inertia of 12 kg∙m².As it turns through 5.0 rev its angular velocity increases from 5.0 rad/s to 6.0 rad/s.If the net torque is constant its value is:

• A)0.015 N∙m
• B)0.18 N∙m
• C)0.57 N∙m
• D)2.1 N∙m
• E)13 N∙m

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