Equations (Paper 1) Flashcards by Alex Le Brun | Brainscape

Q

What is the equation for speed?

A

Speed = distance / time

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Q

What is the equation for acceleration?

A

Acceleration = (final velocity-initial velocity) / time

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Q

What is the equation for force?

A

F = ma (force = mass x acceleration)

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Q

What is the equation for weight?

A

Weight = mass x gravitational field strength

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Q

What is the equation for momentum?

A

Momentum = mass x velocity

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Q

What is the equation for change in GPE?

A

Change in GPE = weight x change in height

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Q

What is the equation for kinetic energy?

A

KE = 1/2 x mass x speed^2

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Q

What is the equation for energy efficiency?

A

Energy efficiency = useful energy / total energy

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Q

What is the equation for wave speed?

A

Wave speed = frequency x wavelength

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Q

What is the second equation for wave speed?

A

Wave speed = distance / time

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