Daca corpuri de masa m1=5kg si m2=3kg , se deplaseaza unul spre altul cu aceeasi viteza. Daca in urma ciocnirii plastice se degaja o cantitate de caldura de 10 j ,aflati viteza de deplasare a corpului

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.