A Cinder Block of Mass M = 4

question 19

Multiple Choice

A cinder block of mass m = 4.0 kg is hung from a nylon string that is wrapped around a frictionless pulley having the shape of a cylindrical shell,as shown in the figure.If the cinder block accelerates downward at 4.90 m/s² when it is released,what is the mass M of the pulley?

• A)2.0 kg
• B)4.0 kg
• C)6.0 kg
• D)8.0 kg
• E)10 kg

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