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delta895

How do you find the Universe's gravitational Constant "G"?

  • 2 years ago
  • 2 years ago

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  1. azeotrope4
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    are you there? do you mean that as in the actual value, or just some rough idea?

    • 2 years ago
  2. azeotrope4
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    http://en.wikipedia.org/wiki/Gravitational_constant#History_of_measurement

    • 2 years ago
  3. John4m2
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    do you mean the center

    • 2 years ago
  4. TomLikesPhysics
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    http://en.wikipedia.org/wiki/Cavendish_experiment or \[mg = mMG/r^2\] M = mass of the earth ; r = radius of the earth - you can look these values up and calculate G

    • 2 years ago
  5. Dr._Neutrino
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    Just FYI, recent theoretical work would indicate that G is not so universally constant after all and varies within our Universe.

    • 2 years ago
  6. amistre64
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    How do you find the Universe's gravitational Constant "G"? ..hmm; id say by falling down alot and recording the data might be a start :)

    • 2 years ago
  7. waterfalling
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    By going to a nearby inner-city and screaming "WHERE DA BIG G'S AT?!"

    • 2 years ago
  8. abhibookworm
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    You can use the formula g=GMm/r^2 So G=gr^2/Mm

    • 2 years ago
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