physics

Compute the force of attraction between a 25 kg. mass and a 45 kg. mass that are 9.6 meters apart from center to center.

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asked by Marina
  1. just plug in your numbers for

    F = GMm/r^2

    expect a small answer!

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  2. 25x 45 = 1125

    9.6 meters = 9600 km
    9600/2 = 4800

    1125/4800 = .234375

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    posted by Marina
  3. No. the denominator is distance squared, not halved.

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  4. also, don't forget to include G=6.67 * 10^-11 m^3/kg-s^2

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    posted by Steve

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