# esheet3 - Physics 21 Fall 2004 Equation Sheet speed of...

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Unformatted text preview: Physics 21 Fall, 2004 Equation Sheet speed of light in vacuo c 3 . 00 × 10 8 m/s Gravitational constant G 6 . 67 × 10 − 11 N m 2 /kg 2 Avogadro’s Number N A 6 . 02 × 10 23 mol − 1 Boltzmann’s constant k B 1 . 38 × 10 − 23 J/K charge on electron e 1 . 60 × 10 − 19 C free space permittivity 8 . 85 × 10 − 12 C 2 /N m 2 free space permeability µ 4 π × 10 − 7 T m/A Planck’s constant h 6 . 626 × 10 − 34 J s Planck’s constant/(2 π ) ¯ h = h/ 2 π 1 . 055 × 10 − 34 J s electron rest mass m e 9 . 11 × 10 − 31 kg proton rest mass m p 1 . 6726 × 10 − 27 kg neutron rest mass m n 1 . 6749 × 10 − 27 kg atomic mass unit u 1 . 6605 × 10 − 27 kg 1 / (4 π ) k 8 . 99 × 10 9 N m 2 /C 2 F 12 = 1 4 π Q 1 Q 2 r 3 21 ( r 1 − r 2 ) F = q E d E = 1 4 π dQ ( r − r ) | r − r | 3 E = −∇ V E = − µ ˆ i ∂V ∂x + ˆ j ∂V ∂y + ˆ k ∂V ∂z ¶ V b − V a = − Z b a E · d l V = 1 4 π Q r u elec = 1 2 E 2 , u mag = 1 2 µ B 2 Work = Z F · d l...
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