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# Equation Dump Cheat Sheet

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It has come to my memory that equation dumps are a staple to our physics careers. So, as taken from an old sheet from last year, I figured I might as well start memorizing early! The better recall now the better recall later! (Please excuse the really poor table making)

[TABLE="width: 749, align: center"]

[TR]

[TD][TABLE="width: 748"]

[TR]

[TD="width: 226"]

[/TD]

[TD="width: 290"]x = x 0 + v 0 t + 1/2at2[/TD]

[TD="width: 185"]Vƒ = Vo + at[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]f max = μ Ν[/TD]

[TD]μk < μs alway[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]Fc = mac = mv2 /r[/TD]

[TD]ac= v2 /r[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]I = F Δt = ΔM[/TD]

[TD]M = mv[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]W = F d cosθ[/TD]

[TD]P = ΔW/Δt[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]ET = Ek + Ep[/TD]

[TD]E = mc2[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]F = -kx[/TD]

[TD]W = kx2 /2[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]A v = const.[/TD]

[TD]ρAv = const.[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]I = Q/t[/TD]

[TD]R = ρl/A[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]Req = R1 + R2 . . .[/TD]

[TD]1/ Req = 1/ R1 +1/ R2[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]dB = 10 log 10 (I/I0 )[/TD]

[TD]beats = Δ f[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]Σi = 0 at a junction[/TD]

[TD]ΣΔV = 0 in a loop[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]Q = mc Δ T (MCAT !)[/TD]

[TD]Q = mL[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]L1 = F1× r1 (CCW + ve)[/TD]

[TD]L2 = F2 × r2[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]ΣFx = 0 and ΣFy = 0[/TD]

[TD]ΣL = 0[/TD]

[/TR]

[TR]

[TD][/TD]

[TD]( sin θ1 )/(sin θ2 ) = v1 /v2 = n2 /n1 = λ12[/TD]

[TD]n = c/v[/TD]

[/TR]

[/TABLE]

[/TD]

[/TR]

[TR]

[TD][/TD]

[/TR]

[TR]

[TD][TABLE="width: 748"]

[TR]

[TD="width: 227"]F = ma[/TD]

[TD="width: 290"]F = qE[/TD]

[TD="width: 193"]Similar Form[/TD]

[/TR]

[TR]

[TD]F = KG ( m1 m2 / r2 )[/TD]

[TD]F = k ( q1 q2 / r2 )[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]V = IR[/TD]

[TD]P = IV[/TD]

[TD]Paired Use[/TD]

[/TR]

[TR]

[TD]vav = Δ d / Δ t[/TD]

[TD]aav = Δ v / Δ t[/TD]

[TD](avg vel, acc)[/TD]

[/TR]

[TR]

[TD]v = λ f[/TD]

[TD]E = hf[/TD]

[TD](f = 1/T)[/TD]

[/TR]

[TR]

[TD]Ek = 1/2 mv2[/TD]

[TD]Ep = mgh[/TD]

[TD](kin, pot E)[/TD]

[/TR]

[TR]

[TD]Ρ = F/A[/TD]

[TD]Δ Ρ = ρgΔh[/TD]

[TD](pressure Ρ)[/TD]

[/TR]

[TR]

[TD]SG = ρ substance / ρ water[/TD]

[TD]ρ = 1 g/cm3 = 103 kg/m3[/TD]

[TD](Spec Grav)[/TD]

[/TR]

[TR]

[TD]ρ = mass / volume[/TD]

[TD]Fb = Vρg = mg[/TD]

[TD](buoyant F)[/TD]

[/TR]

[TR]

[TD]Irms = Imax / √2[/TD]

[TD]Vrms = Vmax / √2[/TD]

[TD]Root Mean Sq[/TD]

[/TR]

[TR]

[TD]1/ i + 1/ o = 1/ f = 2/r = Power[/TD]

[TD]M = magnification = - i/o[/TD]

[TD]Optics[/TD]

[/TR]

[/TABLE]

[/TD]

[/TR]

[/TABLE]

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