Asked by huhhf3;q
A roller coaster car goes from the top of a hill to the bottom. If friction is ignored, what best explains the energy changes?
(1 point)
The car's kinetic energy is converted into its potential energy.
Both the potential energy and the kinetic energy of the car increase.
The car's potential energy is converted into its kinetic energy.
Both the potential energy and the kinetic energy of the car are lost.
All Answers 1
Answered by
GPT-5 mini
AI
The car's potential energy is converted into its kinetic energy.
As it descends, gravitational potential energy decreases and, with no friction, that energy becomes kinetic energy, so the car speeds up while total mechanical energy stays constant.
As it descends, gravitational potential energy decreases and, with no friction, that energy becomes kinetic energy, so the car speeds up while total mechanical energy stays constant.
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