new pcs125 formulas

# new pcs125 formulas - PCS125 Constants and Formulae(April...

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PCS125 Constants and Formulae (April 2011) I 0 = 1 . 00 × 10 - 12 W / m 2 c = 3 × 10 8 m/s ρ air = 1 . 2 kg/m 3 G = 6 . 6742 × 10 - 11 N · m 2 · kg - 2 g = 9.8 m · s - 2 k = 8 . 99 × 10 9 N · m 2 · C - 2 e = 1 . 6 × 10 - 19 C 1 eV=1.6 × 10 - 19 J m e = 9 . 1094 × 10 - 31 kg m p = 1 . 6726 × 10 - 27 kg μ 0 = 4 π × 10 - 7 T · m · A - 1 sin a ± sin b = 2cos ± a b 2 ² sin ± a ± b 2 ² sin( a ± b ) = sin a cos b ± cos a sin b ω 0 = r k m ω 0 = r g L x = A exp ± - b 2 m t ² cos( ωt ) ω = q w 2 0 - ( b 2 m ) 2 A = F 0 /m q ( w 2 - w 2 0 ) 2 +( bω/m ) 2 v = 331 r 1 + T c 273 m/s β = 10log I I 0 B = - Δ P Δ V/V i v = s T μ v = p Y/ρ v = p B/ρ s ( x,t ) = s max cos( kx - ωt ) Δ P max = ρvωs max = 1 2 ρAω 2 s 2 max v I = A = 4 πr 2 I = Δ P 2 max 2 ρv = 1 2 μω 2 A 2 v f 0 = ± v + v O v - v S ² f f B = | f 1 - f 2 | F = G m 1 m 2 r 2 F = k q 1 q 2 r 2 F = q -→ v × -→ B W ﬁeld A B = R B A -→ F · -→ r U A - U B = q ( V A - V B ) = W ﬁeld A B U ( r ) = - GMm r ~ B = μ
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