Please Help No Links A thin, 100 g disk with a diameter of 7.00 cm rotates about an axis through its center with 0.170 J of kinetic energy.

Part A
What is the moment of intertia of the disk?

Part B
What is the speed of a point on the rim?

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.