# physics - energy

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1) What are the 3 basic forms of energy?

Since there are so many, I'm thinking of kinetic and potential, but what would be the third?

2)The increase in potential energy of any system is equal to the output ___.

• physics - energy -

They probably want you to say kinetic, potential, and radiant.

• physics - energy -

a 70kg man is walking at a speed of 2.0 m/s. what is his kinetic energy?

• physics - energy -

a 60 kg person walks from the ground to the roof of a 74.8 m tall building. How much gravitational potential energy does she have at the top of the building?

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