4.1 what is energy

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kinetic energy

1/2 x mass x speed^2

Power

Energy transferred / time

How are energy, work, and power related?

Since the transfer of energy is work, then power is the rate at which energy is transferred, or the amount of energy transferred in a unit of time.

Energy

The ability to do work or cause change

What are two types of energy?

The two basic types of energy are kinetic energy and potential energy.

potential energy

energy that results from the position or shape of an object

gravitational potential energy

potential energy related to an object's height

kinetic energy

the energy an object has due to its motion

elastic potential energy

the energy associated with objects that can be compressed or stretched

gravitational potential energy

weight x height


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