according to the law of conservation of energy, when a lawn mower uses 750 J of chemical energy from gasoline, how much of this energy will be transformed into mechanical, sound, or energy? A. 325 J B. 750 J C. 162 J D. 1500 J

Respuesta :

conservation of energy

all of it should be transformed since the energy is conserved (neither

destroyed nor created) 

so the answer is B) 750 J