The moment of inertia of a wheel of radius 20cm is 40kgm^(2). If a tangential force of 80N applied on the wheel , its Rotational K.E. after 4s is

The moment of inertia of a wheel of radius 20cm is 40kgm^(2). If a tan

1.	The moment of inertia of a wheel of radius 20cm is 40kgm^(2). If a tangential force of 80N applied on the wheel , its Rotational K.E. after 4s is
Answer» `16.2J` `51.2J` `25.6J` `24.8`J Answer :B