Which statement describes between a cup if cold water and a cup of boiling water

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.

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?