A Solid Cylinder of Mass M = 3 Kg and Radius

question 57

Multiple Choice

A solid cylinder of mass m = 3 kg and radius r = 12 cm is initially rotating about its central axis with angular frequency $\omega$ = 25 radians/s.How many revolutions does it make after a retarding force of 0.5 N is applied to the outer surface?

• A)0.018 rev
• B)0.11 rev
• C)0.036 rev
• D)0.0090 rev
• E)0.072 rev

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