Question

question 15 of 28 you start biking at the top of a steep hill. as you travel downhill, you apply your brakes to control your speed. what are the energy transformations taking place in this system? a. electric energy to kinetic energy to chemical energy b. thermal energy to mechanical energy to potential energy c. potential energy to kinetic energy to heat energy d. kinetic energy to mechanical energy to chemical energy

Explanation:

At the top of the hill, gravitational potential energy is highest. As biking downhill, potential energy converts to kinetic energy (motion). Applying brakes causes friction, converting kinetic energy to thermal (heat) energy.

Answer:

C. Potential energy to kinetic energy to heat energy