Two problems on collision of discs and system of pulleys.

Two problems on collision of discs and system of pulleys.

An electric motor accelerates the 6-in diameter grinding wheel

Please do just the first problem attached. Thanks

Rod BC is pinned to the 10lb sliding block

Please help with this problem. I am having a lot of trouble with it. Thanks.

Two problems on rigid body dynamics

Problem 1 : To determine moment of inertia about different axes of rotation of a circular disc of given radius of gyration. Problem 2 : A two pulley system. To determine acceleration, tension in the cable etc.

Rotational Dynamics: Two problems with rod and pulley.

Please help with these two problems. I am having a hard time with them. Thanks.