# Physics Equations

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• Created by: esumner
• Created on: 28-03-15 16:20
Refractive Index (n) =
Sin i ÷ Sin r
1 of 15
Critical Angle (sin c) =
1 ÷ n (refractive index)
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Angle of Incidence =
Angle of Reflection
3 of 15
Efficiency =
Useful Energy Output ÷ Total Energy Input
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Work Done =
Force x Distance Moved
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Gravitational Potential Energy =
Mass x g x Height
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Kinetic Energy =
1/2 x Mass x Speed^2
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Power =
Work Done ÷ Time Taken
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Density =
Mass ÷ Volume
9 of 15
Pressure =
Force ÷ Area
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Pressure Difference =
Height x Density x g
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p1 ÷ T1 = (For Constant Volume)
p2 ÷ T2
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Constant = (For Constant Temperature)
Pressure x Volume
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Input (Primary) Voltage ÷ Output (Secondary) Voltage =
No. of Turns on Primary Coil ÷ No. of Turns on Secondary Coil
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Input Power =
Output Power
15 of 15

## Other cards in this set

### Card 2

#### Front

1 ÷ n (refractive index)

#### Back

Critical Angle (sin c) =

### Card 3

#### Front

Angle of Reflection

### Card 4

#### Front

Useful Energy Output ÷ Total Energy Input

### Card 5

#### Front

Force x Distance Moved