Physics Equations 3.0 / 5 based on 1 rating ? PhysicsForces and MotionElectricityEnergyWavesGCSEAQA Created by: widnCreated on: 22-05-21 09:42 P = V x I. power = voltage x current. 1 of 24 V = I x R. voltage = current x resistance 2 of 24 Q = I x t. charge = current x time. 3 of 24 E = V x Q. energy = voltage x charge. 4 of 24 E = V x I x t. energy = voltage x current x time. 5 of 24 Vp/Vs = Np/Ns transformer equation 6 of 24 Total cost = number of units x cost per unit. 7 of 24 Efficiency (%) = (useful energy out ÷ total energy in) x 100. 8 of 24 GPE = mgh. GPE = mass x gravity x height. 9 of 24 0·5 x mass x velocity2 KE = ½mv2. 10 of 24 W = F x d work done = force x distance. 11 of 24 W = E work done = energy transferred. 12 of 24 P = E ÷ t. power = energy ÷ time. 13 of 24 E = c x m x θ. energy = specific heat capacity x mass x change in temperature. 14 of 24 s = d ÷ t speed = distance ÷ time. 15 of 24 a = (v-u) ÷ t. acceleration = change in velocity ÷ time. 16 of 24 F = m x a. Force = mass x acceleration. 17 of 24 w = m x g. weight = mass x gravity. 18 of 24 p = m x v. momentum = mass x velocity. 19 of 24 (mv - mu) = F x t. change in momentum = Force x time. 20 of 24 d = m / v. density = mass ÷ volume. 21 of 24 p = F ÷ a. pressure = force ÷ area. 22 of 24 m = F x d. moment = force x perpendicular distance from pivot. 23 of 24 v = f x λ. velocity = frequency x wavelength. 24 of 24
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