The rest of the energy were converted to heat energy
Explanation:
The chemical energy from the cell phone battery converted to both the sound energy and heat energy. No energy wasted, Energy always convert from one form to another form, it can never reduces or increases.
Explanation:
The chemical energy from the cell phone battery converted to both the sound energy and heat energy. No energy wasted, Energy always convert from one form to another form, it can never reduces or increases.