physics Flashcards by nicholas narraway

Q

potential energy

A

mgh (mass gravity height)

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Q

gravity

A

10

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Q

kinetic energy

A

1/2mv2

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Q

efficiancy

A

usefull/total output*100

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Q

preasure

A

force/area

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Q

power

A

work/time

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Q

P1V1=

A

P2V2

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Q

P1/T1 =

A

P2/T2

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Q

P1V1/T1 =

A

P2V2/T2

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Q

speed

A

distance/time

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Q

acceleration

A

change in velocity/time

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Q

work (j)

A

force * distance

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Q

energy

A

current * voltage * time

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Q

density or rho formula

A

mass / volume

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Q

current equation

A

colomb /time

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Q

volt clolomb equation

A

energy/colomb

Q

volt equation

A

current * resitance ixr

Q

equation for energy

A

currentvoltagetime

Q

two dangers of electricity

A

fire and shock

Q

wave speed formula

A

frequency × wavelength.

Q

wave length symbole

A

λ

Q

weight formula

A

mass * gravity

Q

frequency formula

A

1/t

Q

moment clockwise =

A

moment anti clockwise

Q

how to find distance in velosity time graph

A

area under graph

Q

orbital speed formmula

A

2pieorbital radius/time period

Q

moment

A

force *perpendicular distnace N/m

Q

momentum (curlyt)

A

mass*velocity

Q

force

A

mass*acceleration

Q

change in momentum

A

force*time

Q

preasure under water

A

pgh

Q

temp is proportional to

A

KE

Q

lever is also known as

A

force multiplier

Q

power electricity

A

work done/ t

Q

constant

A

pressure/temp