A turntable must spin at 33.3 rev/min (3.49 rad/s) to play an old-fashioned vinyl record. How much torque must the motor
Posted: Wed Jun 08, 2022 12:27 pm
A turntable must spin at 33.3 rev/min (3.49 rad/s) to play an old-fashioned vinyl record. How much torque must the motor deliver if the turntable is to reach its final angular speed in 1.20 revolutions, starting from rest? The turntable is a uniform disk of diameter 30.5 cm and mass 0.220 kg N.m