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GCSE Physics > Unit 1: Energy Equations > Flashcards

Unit 1: Energy Equations Flashcards

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1
Q

What is the equation to work out kinetic energy?

A

Kinetic energy = 1/2 x mass x speed^2

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2
Q

What is the equation to work out Gravitational Potential Energy?

A

GPE = mass x gravitational field strength x height

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3
Q

What is the equation to work out power?

A

Power = Work done/ time taken = energy transferred/time taken

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4
Q

What is the equation to work out efficency? (2)

A

Efficiency = useful energy output / total energy output
Efficiency = useful power outpout / total power input

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5
Q

What is the equation to work out elastic potential energy?

A

EPO = 1/2 x spring constant x (extension)^2

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6
Q

What is the equation to work out change in thermal energy?

A

Change in thermal energy = mass x specific heat capacity x temperature change

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GCSE Physics (3 decks)

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