energy Flashcards

learn basics of energy (4 cards)

1
Q

what is the unit of energy?

A

joule(j)

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2
Q

name two types on energy stores?

A

kinetic energy and gravitiational potential

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3
Q

what is the formula for kinetic energy ?

A

2
1

mv
2
(half × mass × velocity squared).

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4
Q

what does a Sankey diagram show?

A

how energy is Transfered and wasted in a system.

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