If you put your backpack in the car and then drive to the mall, is your backpack in motion when comparing it to the system of the car? Does the backpack have kinetic energy while you are on your way to the mall?

In an experiment, how can i change human errors? be specific.

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?

Properties seen when one one substance changes to another are known as properties