# Physics

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F=m x a
Force=mass x acceleration
1 of 18
v=(2 x pi x r) / T
Orbital Speed= (2 x pi x orbital speed) / time period
2 of 18
v= f x lamda
wave speed=frequency x wavelength
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f= 1 / T
Frequency= 1 / time period
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P=I x V
Power= current x voltage
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E= I x V x t
Energy transferred= current x voltage x time
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V= I x R
Voltage= current x resistance
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Q= I x t
Charge= current x time
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n= sin(i) / sin(r)
Refractive index= sin(angle of incidence) / sin(angle of refraction)
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sin(c)= 1 / n
Sin(critical angle)=1 / refractive index
10 of 18
KE= 1/2 x m x v2
Kinetic Energy= 1/2 x mass x velocity squared
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W= F x d
Watts (energy)= Force x distance moved
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P= W / t
Power= Work done / time taken
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efficiency= useful energy output / total energy input
efficiency= useful energy output / total energy input
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p= m / V
Pressure= mass / volume
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p= F / A
Pressure= Force / Area
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p= h x p x g
Pressure difference= height x pressure x gravity
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p1v1=p2v2
Pressure 1 x volume 1= pressure 2 x volume 2
18 of 18

## Other cards in this set

### Card 2

#### Front

Orbital Speed= (2 x pi x orbital speed) / time period

#### Back

v=(2 x pi x r) / T

### Card 3

#### Front

wave speed=frequency x wavelength

### Card 4

#### Front

Frequency= 1 / time period

### Card 5

#### Front

Power= current x voltage

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