A Massless String Is Wrapped Around a Cylinder of Radius

question 13

Multiple Choice

A massless string is wrapped around a cylinder of radius 0.100 m.A force of 100 N acts on the string.If it takes 1.2 seconds to reach an angular speed of 100 radians/s starting from rest,what is the moment of inertia of the cylinder?

• A)0.15 kgm²
• B)0.053 kgm²
• C)0.12 kgm²
• D)0.020 kgm²
• E)0.015 kgm²

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