04 Multiple Choice 0/1
4)A ball of mass 1.2 kg is dropped from a height of 30 m. As it falls, 25% of its initial gravitational potential energy is
transferred to thermal energy. What is the kinetic energy of the ball just before it hits the ground?

Is the time in tennessee the same as florida

A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created