Physics Revision 0.0 / 5 ? PhysicsEnergyEquations and FormulaeGCSEAQA Created by: emmalamp11Created on: 22-06-21 18:46 What is the equation for Kinetic Energy? Ek=0.5 x m x v (squared) Ek=1/2mv (squared) 1 of 9 What is the equation for Gravitational Potential Energy? Ep= m x g x h Ep=mgh 2 of 9 Specific Heat Capacity Equation change in thermal energy= m x c x temperature change 3 of 9 Equations for Power P = E/T P = W/T 4 of 9 Equations for efficiency Efficiency = useful energy transfer / total input energy transfer Efficiency = useful power output / total power input 5 of 9 What is electrical current? a flow of electrical charge 6 of 9 Equation for density Density = mass / volume 7 of 9 Specific Latent Heat formula Energy = mass x specific latent heat 8 of 9 what is half life? the time taken for the number of radioactive nuclei in an isotope to halve 9 of 9
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