A torque of 37.1 N- m is applied to an initially motionless wheel which rotates around a fixed axis. This torque is the result of a directed force combined with a friction force. As a result of the applied torque the angular speed of the wheel increases from 0 to 9.9 rad/s. After 5.80 s the directed force is removed, and the wheel comes to rest 59.4 s later. (a) What is the wheel's moment of inertia (in kg - m)? kg - m? (b) What is the magnitude of the torque caused by friction (in N- m)? Note that the wheel stops 59.4 seconds after the directed force is removed. 65.2 seconds is the total interval from when the directed force was applied until the wheel stops. N. m (c) From the time the directed force initially applied, how many revolutions does the wheel go through? revolutions
A torque of 37.1 N- m is applied to an initially motionless wheel which rotates around a fixed axis. This torque is the result of a directed force combined with a friction force. As a result of the applied torque the angular speed of the wheel increases from 0 to 9.9 rad/s. After 5.80 s the directed force is removed, and the wheel comes to rest 59.4 s later. (a) What is the wheel's moment of inertia (in kg - m)? kg - m? (b) What is the magnitude of the torque caused by friction (in N- m)? Note that the wheel stops 59.4 seconds after the directed force is removed. 65.2 seconds is the total interval from when the directed force was applied until the wheel stops. N. m (c) From the time the directed force initially applied, how many revolutions does the wheel go through? revolutions
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