OCR Physics B - Gravity Equations put clearer

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  • Created by: Chris
  • Created on: 10-04-13 16:41
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  • Gravity
    • Et = Eke + Egrav
  • Gravitational Potential
    • Gravity
      • Et = Eke + Egrav
  • Energy needed for 1kg
    • Gravitational Potential
    • Gravitational Potential Energy
      • Egrav= -GMm/r
    • This is because E= fxd, so r^2 --> r
      • Egrav= -GMm/r
    • Force= -Gmm/r^2
      • Gravitational Fields
        • g= F/m
          • Gravitational Fields
          • Remember KEEP the minus
            • Et stays the same (assumption in question)
              • Ke = 1/2 x mv^2

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