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A2.1 kg cylindrical grindstone of radius 8.0 cm is attached to a motor. The angular momentum of the grindstone after the motor is turned on is given by L = (1.2 kg - m²/s) (1 - e-0.050t), where t is in seconds. temView2assignment ProblemID-192015502 Part A What is the final rotation rate in rpm of the grindstone? Express your answer in revolutions per minute. IVE ΑΣΦ Wfinal = Submit Part B T= (0.060 N-m)e-0.050t Request Answer What is the net torque 7 applied to the grindstone, as a function of time t? O Te Submit -0.050t Provide Feedback T= (1.2 N-m) - e O T = (0.030 N-m)e-0.050t -0.050t ? Request Answer rpm
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Transcribed Image Text:A2.1 kg cylindrical grindstone of radius 8.0 cm is attached to a motor. The angular momentum of the grindstone after the motor is turned on is given by L = (1.2 kg - m²/s) (1 - e-0.050t), where t is in seconds. temView2assignment ProblemID-192015502 Part A What is the final rotation rate in rpm of the grindstone? Express your answer in revolutions per minute. IVE ΑΣΦ Wfinal = Submit Part B T= (0.060 N-m)e-0.050t Request Answer What is the net torque 7 applied to the grindstone, as a function of time t? O Te Submit -0.050t Provide Feedback T= (1.2 N-m) - e O T = (0.030 N-m)e-0.050t -0.050t ? Request Answer rpm
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