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A 90 kg mass is tied to a massless rope wrapped around a solid cylindrical drum,...

A 90 kg mass is tied to a massless rope wrapped around a solid cylindrical drum, mounted on a frictionless horizontal axle. When the mass is released, it falls with acceleration 3.4 m/s2 .

a. Find the rope tension. Express your answer in newtons.

b. Find the drum's mass.

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