If a ball has 100 J of potential energy on the shelf, how much energy does it have if it falls one-fourth of the way down to the ground?

The process in which the nucleus of an atom splits into two lighter atoms, releasing a large amount of energy is nuclear

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

Asap and show ! a 14 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.