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Is this inverse square law - help

  1. Oct 17, 2005 #1
    is this inverse square law --- help!!!

    If the earth had twice its present radius and twice its present mass, what would happen to your weight? Explain
  2. jcsd
  3. Oct 17, 2005 #2


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    "https://www.physicsforums.com/showthread.php?t=5374" [Broken]
    Use Newton's law of gravitation:
    [tex]F = \frac{GMm}{r^2}[/tex]
    Last edited by a moderator: Apr 21, 2017 at 8:58 PM
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