Equations (Paper 1) Flashcards by Dominique Dizon

Q

Speed

A

Distance / time

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Q

Acceleration

A

Change in velocity / time

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Q

Newton’s second law (force)

A

Mass x acceleration

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Q

Weight

A

Mass x gravity

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Q

Momentum and units

A

Mass x velocity (kgm/s)

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Q

Newton’s second law (force in terms of momentum)

A

Change in momentum / time

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Q

Gravitational potential energy

A

Mass x gravity x height

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Q

Kinetic energy

A

Half x mass x velocity squared

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Q

Efficiency

A

Useful / total x 100 (for a percentage)

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Q

Wave speed (two equations)

A

Frequency x wavelength

Distance / time

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