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a motor applies a torque of 155 N m to a uniform solid disk (1= 1/2...

a motor applies a torque of 155 N m to a uniform solid disk (1= 1/2 mR^2) of radius R= 0.2m ad mass of 8kg if the disk starts from rest a find the tangential acceleration on point at the edge of the disk b what is the angular velocity of the disk after 3.9s
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