Yr9 Exam Flashcards by Ellena Maggs | Brainscape

Q

Work done

A

Force applied x distance

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Q

Change in GPE store

A

Mass x gravitational field strength x height

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Q

Kinetic energy

A

1/2 x mass x velocity²

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Q

Elastic potential

A

1/2 x extension² x spring constant

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Q

Efficiency

A

Useful output / total input

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Q

Power

A

Energy transferred / time taken

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Q

Change in temp

A

Mass x specific heat capacity x temp

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Q

Specific heat capacity

A

Temp / mass x change in temp

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Q

Charge flow

A

Current x time taken

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Q

Ohms law / voltage

A

Current x resistance

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Q

Power

A

Energy transferred / time

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Q

Power supplied

A

Current x voltage

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Q

Correct fuse

A

Power / voltage then x125

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Q

Charge

A

Current x time taken

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