5. A 0.16 kg pool ball sliding to the right at 8.0 m/s has an elastic head on collision with another 0.16 kg pool ball initially at rest. If the first ball stops after the collision, what is the velocity of the
second pool ball after the collision?

1) when you rub your hands together quickly, the kinetic energy is converted to mechanical energy.2) thermal energy from the sun travels to earth as infrared waves.3) energy is transferred through the matter of space by electromagnetic waves. 4) when a match is burned, chemical potential energy is converted to thermal and radiant energy. 5) seismicwaves are caused by back and forth movement , or vibration, of an object. 6) mechanicalenergy in an engine changes thermal energy into kinetic energy to make a car move.

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A. to determine if humans can explore mars safely