When energy is transformed, some is wasted. What is a common form of wasted energy in some energy transformations? (Think about inefficient light bulbs or car engines)

Eletrical

Explanation:

The electric transfers 70% of the input energy to kinetic energy 30% is wasted output energy in the form of thermal energy and sound.

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.