Equations (Paper 1) 0.0 / 5 ? PhysicsEquations and FormulaeGCSEAQA Created by: cowsgomooCreated on: 03-05-18 18:49 Kinetic energy 0.5 x mass x (speed)² or Ek=½mv² 1 of 12 Gravitational potential energy (GPE) mass x gravitational field strength x height or Ep=mgh 2 of 12 Power energy transferred ÷ time or P=E÷t 3 of 12 Power (2) work done ÷ time or P=W÷t 4 of 12 Efficiency useful output energy ÷ total input energy 5 of 12 Wave speed frequency x wavelength or v=ƒ(lambda) 6 of 12 Charge flow current x time or Q=It 7 of 12 Potential difference current x resistance or V=IR 8 of 12 Power potential difference x current or P=VI 9 of 12 Power (2) (current)² x resistance or P=I²R 10 of 12 Energy transferred power x time or E=Pt 11 of 12 Energy transferred (2) charge flow x potential difference or E=QV 12 of 12
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