Energy Flashcards by Karanjot Singh | Brainscape

Q

Potential Energy

A

PE= mgh

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Q

Kinetic Energy

A

KE= ½mv²

*V= velocity (meter per second)

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Q

(AT TIMES) PE=KE

A

mgh=½mv²

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Q

Power

A

Power (WATTS)= work done(J) /time taken (s)

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Q

Energy used

A

E=Pt
(ENERGY = POWER X TIME)

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Q

Efficiency

A

Efficiency= (work out/work in) x 100

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