# Physics - Formulae

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• Created by: robbpure
• Created on: 23-03-16 14:34
3.00 × 10^8 m s–1
Speed of light in a vacuum
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1.60 × 10^–19 C
Elementary charge
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6.63 × 10^–34 J s
Planck constant
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6.67 × 10^–11 N m2 kg–2
Gravitational constant
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6.02 × 10^23 mol–1
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8.31 J mol–1 K–1
Molar gas constant
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1.38 × 10^–23 J K–1
Boltzmann constant
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9.11 × 10^–31 kg
Electron rest mass
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1.673 × 10^–27 kg
Proton rest mass
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1.675 × 10^–27 kg
Neutron rest mass
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6.646 × 10^–27 kg
Alpha particle rest mass
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9.81 m s–2
Acceleration of free fall
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1.60 × 10^–19 J
Electron Volt
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F = Δp/Δt
Force is equal to change in momentum (Newton's 2nd Law)
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v = (2(pi)r)/T
Circular velocity is equal to 2 pi r divided by time of one revolution around the circle
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a = v^2/r
Circular acceleration is equal to velocity squared divided by radius
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## Other cards in this set

### Card 2

#### Front

Elementary charge

1.60 × 10^–19 C

Planck constant

### Card 4

#### Front

Gravitational constant