What is the kinetic energy of a 57 kg cheetah running at top speed? Express your answer in SI units.

Diamond will scratch quartz. true or false

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

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.