Aball of 0.1kg is thrown straight up into the air with
the initial speed of 15m/s.

a. what is the momentum of the ball when it reaches its
maximum height?
b. what is the momentum of the ball when it is halfway
to the top of its maximum height?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

The energy released by a nuclear fusion reaction is produced when

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.