A uniform disk of mass m = 20 kg and radius R = 0.75 m is being pulled to the left with a...

A uniform disk of mass m = 20 kg and radius R = 0.75 m is being pulled to the left with a constant horizontal force P by the cord wrapped around it. Assume that the disk starts from rest and that it rolls without slip.

If P = 30 N, apply the impulse-momentum principles to determine the angular speed of the disk after 4 s.

Figure P8.83