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# Mid1Eqs - Physics 135-3 Midterm I Eq Sheet Spring 2006...

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Physics 135-3 Midterm I Eq. Sheet Spring 2006 Physical Constants : Conversions : Speed of sound in air v = 343 m/s 1 km = 10 3 m Speed of Light in Vacuum : c = 3.0 × 10 8 m/s 1 g = 10 -3 kg Permittivity Constant: , o = 8.85 × 10 -12 F/m Permeability Constant: : o = 1.26 × 10 -6 H/m Acceleration of gravity: g = 9.8 m/s 2 = 32 ft/s 2 Const. of Universal Gravity: G = 6.67 × 10 -11 N @ m 2 /kg 2 Geometry : Sun : Area of circle: Mass = 1.99 × 10 30 kg A r = π 2 Surface area of sphere: Power = 3.90 × 10 26 J/s S r = 4 2 π Ch. 16 Equations : where: y x t y kx t m ( , ) sin( ) = ± ω k f T v k T f = = = = = = 2 2 1 π λ ω π ω λ λ v = τ μ = + y x t y kx t m ( , ) [ cos ]sin ( ) 2 1 2 1 2 ϕ ω ϕ ( n = 1, 2, 3 ... ) = y x t y kx t m ( , ) [ sin ]cos 2 ω f n v L = 2 Ch. 17 Equations : ϕ λ π = Δ L 2 where n = 1, 2, 3, ... where n = 1, 3, 5, ... f nv L = 2 OR f nv L = 4 f f f beat = 1 2 where v a = 343 m/s (speed of sound in air) ′ = ± ± f f v v v v a D a S OVER FOR Ch. 33 & 34 Equations Ch. 33 Equations :

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