Q1 consider a motor that exerts the constant torque of 250

Reference no: EM13353996

Q1. Consider a motor that exerts the constant torque of 25.0 N cdot m to a horizontal platform whose moment of inertia is 50.0 kg cdot m^2. Imagine that the platform is firstly at rest and the torque is applied for 12.0 rotations. Neglect friction. What is the rotational kinetic energy of the platform K_rot,f at the end of the procedure described above?

Q2. On a very muddy football field, a 100 linebacker tackles a 75 halfback. Immediately before the collision, the linebacker is slipping with a velocity of 8.9 north's and the halfback is sliding with a velocity of 7.9 east's.

What is the magnitude of the velocity at which the two players move together immediately after the collision?

What is the direction of velocity?

Reference no: EM13353996

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