Convert 10 kilowatt to watt

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.

Give an example in which the electrical energy changes to light energy

If you put a helium-filled balloon in the refrigerator, what will happen?