Does a running elephant have energy? What energy? What energy is used to drive nails?

1) A running elephant has mass and speed, which means it has kinetic energy.

The elephant’s center of gravity is located at a certain height above the ground, therefore it has potential energy as well.

2) At the moment of hitting the nail, the hammer had mass and speed. This is kinetic energy.

Answer: The running elephant has kinetic and potential energy; the nail can be driven in due to kinetic energy.

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