A string is wrapped around a pulley with a radius of 2.0 cm. The pulley is initially at rest. A constant force of 50 N is applied to the string, causing the pulley to rotate and the string to unwind. If the string unwinds 1.2 m in 4.9 s, what is the moment of inertia of the pulley?
A) 0.17 kg∙m2
B) 17 kg∙m2
C) 14 kg∙m2
D) 0.20 kg∙m2
E) 0.017 kg∙m2
Correct Answer:
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