Homework Help: physics

Posted by Sejul on Tuesday, January 25, 2011 at 7:42pm.

person weighs 526 N on Earth. Another planet has twice the mass of Earth and Twice the radius of Earth.

Find the weight on the other planet. I need help with a formula too.

physics - bobpursley, Tuesday, January 25, 2011 at 7:48pm
force =kM/r^2= 2x/(2)^2x=1/2

so what is 1/2 526

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