When the roller coaster moves down from the top of the hill, all of its stored potential energy is converted into kinetic energy to move it and when it goes back up the hill it turns kinetic into potential.
A. The fly's velocity to the ground is less than the car's velocity to the ground.
Answer:
The answer to this is D two of the above
Power = Work/Time
Convert 5 min to seconds and divide 2150J by that number.
