IGCSE Physics - Energy Resources and Energy Transfers Formulae 0.0 / 5 ? PhysicsEnergyEquations and FormulaeIGCSEEdexcel Created by: Andreas_AntoniouCreated on: 04-05-19 14:29 Efficiency Efficiency = (useful energy output / total energy output) x 100 1 of 5 Work Done Work Done = Force x Distance 2 of 5 Gravitational Potential Energy (GPE) GPE = mass x gravitational field strength x height 3 of 5 Kinetic Energy Kinetic Energy = 1/2 (mass x speed squared) 4 of 5 Power Power = work done / time 5 of 5
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