Does mass affect how long it takes an object to reach the ground from a high drop height?

The 5-kg cylinder is initially at rest when it is placed in contact with the wall b and the rotor at a. if the rotor always maintains a constant clockwise angular velocity v = 6 rad> s, determine the initial angular acceleration of the cylinder. the coefficient of kinetic friction at the contacting surfaces b and c is mk = 0.2.

What is special about a dc circuit ?

Which composition of water moves to begin a deepwater current?