In an action movie, the villain is rescued from the ocean by grabbing onto the ladder hanging from a helicopter. he is so intent on gripping the ladder that he lets go of his briefcase of counterfeit money when he is 130 m above the water. part a if the briefcase hits the water 6.0 s later, what was the speed at which the helicopter was ascending? '

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.