Physics - Energy 0.0 / 5 ? PhysicsEnergyGCSEAQA Created by: rebecca.freemanCreated on: 27-03-21 10:58 Kinetic Energy Equation Kinetic Energy = 0.5 x Mass x (Speed)² Ek = 1/2 mv² 1 of 7 Gravitational Potential Energy Equation Gravitational Potential = mass × gravity × height Ep = m × g × h 2 of 7 Elastic Potential Energy Equation Elastic Potential= 0.5 × spring constant ×extension Ee = ½ Ke² 3 of 7 Specific Heat Capacity Equation Energy Change = Mass × Specific Heat Capacity × Temperature Change ΔE = mc Δθ 4 of 7 Efficiency Equation Efficiency = Useful Energy / Total Energy x 100 Efficiency = Useful Power / Total Power x 100 5 of 7 Work Done Equation Work Done = Force × Distance W = Fs 6 of 7 Power Equation Power = Energy ÷ Time P = E ÷ t 7 of 7
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