A constant torque acting on a uniform circular wheel changes its angular momentum from `A_(0)` to `4 A_(0)` in `4` seconds. Find the magnitude of this torque.A. 0.75AB. 4AC. AD. 12A

A constant torque acting on a uniform circular wheel changes its angul

1.	A constant torque acting on a uniform circular wheel changes its angular momentum from `A_(0)` to `4 A_(0)` in `4` seconds. Find the magnitude of this torque.A. 0.75AB. 4AC. AD. 12A
Answer» Correct Answer - A `tau =(dL)/(dt)=(4A-A)/(4)=0.75 A`

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A constant torque acting on a uniform circular wheel changes its angular momentum from `A_(0)` to `4 A_(0)` in `4` seconds. Find the magnitude of this torque.A. 0.75AB. 4AC. AD. 12A

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