Phys Test2 Formula Sheet

Phys Test2 Formula Sheet - Phys 2305 Formulae Sheet for...

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Phys 2305, Formulae Sheet for Test 2 1 KINEMATICS A · B = AB cos θ ,c 2 = a 2 + b 2 2 ab cos θ , | A × B | = sin θ x = x 0 + v 0 t + 1 2 at 2 ,v = v 0 + at, v 2 = v 2 0 +2 as a rad = v 2 R = 2 π R T , v P/A = v P/B + v B/A , w = m g ,g = 9 . 8 m/s 2 θ = θ 0 + ω 0 t + 1 2 α t 2 , ω = ω 0 + α t, ω 2 = ω 2 0 +2 αθ = r ω ,a rad = v 2 r = r ω 2 tan = dv dt = r α FORCES, WORK, CONSERVATION OF ENERGY f s μ s N ,f k = μ k N ( N = normal force), W = F · s , W = Z P 1 to P 2 F · d s = Z P 1 P 2 F · d l = Z P 2 P 1 F cos θ ds, W = K 2 K 1 , W = U 1 U 2 , F = U x ˆ ı U y ˆ j U z ˆ k ,E = K + U = const. U elastic = 1 2 k ( x x 0 ) 2 ,U gravity = mgy MOMENTUM, IMPULSE, COLLISIONS p = m v , d p ( t ) dt = F ( t ) , p t = F , p = F t, p ( t 2 ) p ( t 1 )= p = Z t 2 t 1 F dt = J (impuls) In case v B 1 =0 A 2 = m A m B m A + m B v A 1 B 2 = 2 m A m A + m B v A 1 d P dt = F ext , P = M V , V = m 1 v 1 + m 2 v 2 m 1 + m 2 = d dt R , R = r cm = m 1 r 1 + m 2 r 2 + ... m 1 + m 2 + ROTATIONS AND TRANSLATIONS I α = τ ,K = 1 2 I ω 2 = 1 2 Mv 2 cm

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Phys Test2 Formula Sheet - Phys 2305 Formulae Sheet for...

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