FormulaSheet2

FormulaSheet2 - T= 2πR v 1 KE = mv 2 2 W = F cosθ s PE =...

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Unformatted text preview: T= 2πR v 1 KE = mv 2 2 W = ( F cosθ ) s PE = mgh Wnc = E f − Ei E = KE + PE r r p = mv r r pi = p f 2π = 2πf T k ω= m 1 PEel = kx 2 2 ω= ; f= 1 T ω= ω= mgL I g L s = rθ Δθ ω= Δt Δω α= Δt ω = ω0 + αt θ = θ 0 + ω0t + αt 2 vt = ωr at = αr ar = T= v2 = ω 2r r 2π 1 2 2 2 ω = ω0 + 2αΔθ ⎛ ΔL ⎞ F =Y⎜ ⎜ L ⎟A ⎟ ⎝ 0⎠ F P= A ⎛ ΔV ⎞ ΔP = − B ⎜ ⎜V ⎟ ⎟ ⎝ 0⎠ .......... other .......... f = μFN Ax + Bx 2 + C = 0 − B ± B 2 − 4 AC 2A 2 I sphere = mr 2 CM 5 I hoop = mr 2 x= CM ω 12 Iω 2 I disk CM = I rodCM KE = τ = Fl τ net = Iα 1 12 KE = I CM ω 2 + mvCM 2 2 L = Iω 12 mr 2 1 = mr 2 12 .........constants......... g = 9.8 m/s 2 WR = τθ Fel = − kx x = A cos ωt v = −ωA sin ωt a = −ω 2 A cos ωt ...
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