Energy equations

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  • Created by: Sophie
  • Created on: 06-04-14 17:47
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  • Energy Equations
    • work done = energy transferred
      • W = E
    • gravitational potential energy = mass x gravitational field strength x height
      • GPE = mgh
    • power = energy/time
      • P = E/t
    • efficiency (%) = (useful energy out/total energy in) x 100
    • work done = force x distance
      • W =Fd
    • kinetic energy = 1/2 x mass x velocity^2
      • KE = 1/2mv^2
    • energy = specific heat capacity x mass x change in temperature
      • E = cm(theta)
    • Waves
      • frequency = 1/t
      • velocity(wave speed) = frequency x wavelength
        • v = f?

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