Physics Equations Flashcards by Santino Arepally | Brainscape

Q

What is the equation for potential difference?

A

current x resistance

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Q

What is the equation for speed?

A

distance/time

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Q

What is the equation for acceleration?

A

speed/time

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Q

What is the equation for density?

A

mass/volume

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Q

What is the equation for work done?

A

force x distance

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Q

What is the equation for momentum?

A

mass x velocity

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Q

What is the equation for charge flow?

A

current x time

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Q

What is the equation for gravitational potential energy?

A

mass x height x gravitational field strength

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Q

What is the equation for power (1)?

A

work done/time

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Q

What is the equation for kinetic energy?

A

0.5 x mass x speed^2

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Q

What is the equation for force?

A

mass x acceleration

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Q

What is the equation for moment of force?

A

force x distance

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Q

What is the equation for pressure?

A

force normal to a surface / area of that surface

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Q

What is the equation for energy transfer?

A

charge x potential difference

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Q

What is the equation for wave speed?

A

frequency x wavelength

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Q

What is the equation for force exerted by spring?

A

extension x spring constant

Q

What is the equation for force of gravity?

A

mass x gravitational field strength

Q

What is the equation for efficiency?

A

useful output energy transfer / total input energy transfer

Q

What is the equation for power (2)?

A

current^2 x resistance

Q

What is the transformer equation?

A

Vp x Ip = Vs x Is

Q

What is the equation for elastic potential energy?

A

0.5 x spring constant x extension^2

Q

What is the equation for concentration?

A

amount of substance/amount of water