During the refrigeration cycle, the refrigerant absorbs and releases thermal energy by vaporizing and condensing.
a.) true
b.) false

Astate of matter all that has define volume and can flow is a(n)

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?