Conservation of Momentum

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Conservation of Momentum
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Angular Momentum
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Newtons Law of Gravitation
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Keplers Laws Explained

• All three of Keplers law can be explained by
  Newtons gravity
• Ellipses are special cases bound orbits
• 2nd law follows from central force and
  conservation of angular momentum
• Newtons form of Keplers 3rd lawp2 4 p2
  a3 G(M1M2)

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Exact Time of High Tide
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Tidal Force
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Ocean Tides

• Ocean levels rise and fall twice per day
• The level of tides is related to the lunar phases
• Ocean tides are a combined effect of the Moons
  and Suns tidal forces

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Escape Velocity