Energy equations (Need To Learn) 5.0 / 5 based on 1 ratingTeacher recommended ? PhysicsEnergyGCSEAQA Created by: Gregory BCreated on: 14-06-18 15:40 Efficiency (%) = (useful energy output/total energy input) x 100 ------------ 1 of 7 GPE = mgh Gravitational Potential Energy = mass x gravity x height 2 of 7 KE = 0.5 x m x v^2 Kinetic energy = 0.5 x mass x velocity^2 3 of 7 W = F x d Work done = force x distance 4 of 7 W = E Work done = energy transferred 5 of 7 P = E/t power = energy/time 6 of 7 E = c x m x θ Energy = specific heat capacity x mass x change in temperature (θ) 7 of 7

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