PHYSICS201constants - 10 5 J/kg Ice 2090 0.50 Steam 2010...

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PHYSICS 201 Basic equations and Physical Constants for use on tests and exams. v 2 " v 0 2 = 2 a ( x " x 0 ) x = x 0 + v x 0 t + 1 2 a x t 2 y = y 0 + v y 0 t + 1 2 a y t 2 " = s / r 2 # 0 2 = 2 $ ( % # 0 ) = 0 + # 0 t + 1 2 t 2 = v / r = 2 f a c = v 2 / r = 2 r KE trans = 1 2 mv 2 KE rot = 1 2 I 2 g = 9.81m/s 2 PE grav = mgh F grav = G m 1 m 2 r 2 PE spring = 1 2 kx 2 PE grav = " G m 1 m 2 r F R = v r " m " t v esc = 2 GM E R E a t = r L = I = I = $ L $ t I disc = 1 2 MR 2 I hoop = MR 2 I sphere = 2 5 MR 2 G = 6.67 " 10 # 11 m 3 /kg $ s 2 R EARTH'S ORBIT = 1.50 " 10 11 m R MOON'S ORBIT = 3.84 " 10 8 m 1 AU = 1.50 " 10 11 m k = 1.38 " 10 # 23 J/K =8.62 " 10 –5 eV/K M EARTH = 5.98 " 10 24 kg M SUN = 1.99 " 10 30 kg M MOON = 7.35 " 10 22 kg R EARTH = 6.38 " 10 6 m R SUN = 6.96 " 10 8 m R MOON = 1.74 " 10 6 m R = 8.314 J/mol " K N A = 6.022 " 10 23 /mol atm = 101 kPa P = P 0 + gh = m V P 1 " P 2 = 8 Q L R 4 P + gh + 1 2 v 2 = constant densitiy ρ (kg/m 3 ) linear expansion α (10 -6 /°C) Thermal conductivity K Al 2.7 × 10 3 Al 24 x 10 -6 /°C Iron 80.3 W/m·°C Iron 7.87 × 10 3 Brass 19 x 10 -6 /°C Cu 398 W/m·°C Pb 11.4 × 10 3 Iron/Steel 12 x 10 -6 /°C Al 237 W/m·°C Hg 13.6 × 10 3 Cu 17 x 10 -6 /°C Ag 427 W/m·°C Specific Heat (J/kg·°C) (cal/g·°C) Heat of fusion of water Water 4187 1.00 80 cal/g = 3.34
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Unformatted text preview: 10 5 J/kg Ice 2090 0.50 Steam 2010 0.48 Heat of vaporization of water Pb 128 0.0305 540 cal/g = 22.6 10 5 J/kg 1 cal = 4.187 J L = L 1 + # T [ ] Q = mc " T Q = mL " Q " t = KA T 2 # T 1 ( ) L PV = nRT K E = 3 2 kT v rms = 3 kT m " U = Q # W efficiency = W Q H c.p. (refrigerator) = Q C W c.p. (heat pump) = Q H W = k m T = 2 m k T = 2 L g L I (in dB) =10 log 10 I I v = f " f = f (1 m v s / v ) " f = f 1 v v # $ % & ( v sound in air at 15 C = 340 m/s The back of this sheet may be used for listing other formulae and notes....
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This note was uploaded on 05/12/2010 for the course PHYSICS 20 taught by Professor Yigu during the Spring '10 term at Washington State University .

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