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A 250 8,25-cm-diameter plastic disk is spun on anaxle through its center by an electric motor. What torque must the motor supply to take

A 250 8,25-cm-diameter plastic disk is spun on anaxle through its center by an electric motor. What torque must the motor supply to take the disk from Oto 1600 rpm in 4.8 s? Express your answer using two significant figures.(answer?=N*m)

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