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A person weighing 800 N on earth travels to anither planet with twice the mass and twice the radius of earh. the person's weight on this other planet is mostly nearly what?

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 May 3, 2020
edited by Guest  May 3, 2020
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Force (weight) is proportional to the mass of the planet and inversely proportional to the square of its radius, so

 

new weight = 800*2/22  = 400N

 May 3, 2020

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