Physics equations
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9 Terms
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Equation for Gravatational potential
Ep =mgh = mass x gravitational field strength x height
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Equation for Kinetic potential
Ek = ½ x m x v² = ½ x mass x velocity²
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Equation for elastic potential
Ee = ½ x k x e² = ½ x spring constant x extension²
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Equation for Spring Constant
K = F÷e = Force ÷ extension
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Equation for Power
P = E ÷ t = Energy transfered ÷ time taken for energy transfer
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Equation for efficiency
Efficiency = Useful energy out (×100%)
Total energy in
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Equation for specific latent heat of fusion
LF = E÷m = Energy supplied ÷ Mass
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Specific latent heat of vaporisation
LV = E m = Energy supplied ÷ mads
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Note 
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