Physics 11 - Formula Sheet Kinematics vo + v f d = t 2 a= 1 d = vo t + at 2 2 ∆v ∆t vf = vo + at vf2 = vo2 + 2ad Dynamics FNET = ma Fg = Fg = mg (approx) Gm1 m2 r 2 (general) Ff = µ FN Fs = kx Energy 1 E p = mgh E h = mc∆T mv 2 2 energy output Power output % efficiency = × 100% = × 100% energy input Power input Ek = Ebefore = Eafter P= W = Favgd =ΔE W t Electrical Circuits I= Q t V = IR Waves T= P = VI = I 2 R = 1 f V2 R λ1 v1 n2 sin θ i = = = λ2 v 2 n1 sin θ r v = fλ P= vmax = A ∆E t k m Vterminal = ε − Ir T = 2π m k T = 2π Data Analysis % error = | true − experimental | × 100% true Constants & Conversions μm = 10-6m nm=10-9m g = 9.8 m/s2 c = 3.00 x 108 m/s G = 6.67 x 10-11 Nm2/kg2 rearth = 6.38 x 106 m 2020-02-21 1 in = 2.54 cm 1 mile = 1609 m vsound = 343m/s c(H2O) = 4200 J/kgK mearth = 5.98 x 1024 kg rmoon = 1.74 x 106 m Page 1 of 1 mmoon = 7.35 x 1022 kg g