1. What is the potential energy of a 1.6 kg book that is placed on a shelf that is 2.5meters high?
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Which of the following is an example of units for speed

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

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?