Homework Help: physics

Posted by Mina on Wednesday, February 22, 2012 at 1:45am.

Joe has a weight of 850 N (about 193 lb) when he is standing on the surface of the Earth. What would his weight (the gravitational force due to the Earth) be if he tripled his distance from the center of the Earth by flying in a spacecraft?

physics - Christine, Friday, October 12, 2012 at 3:24am
Take the weight and divide it by 9.
physics - Christine, Friday, October 12, 2012 at 3:26am
850N/(3r)^2= 850/9r^2=94.4 Newtons

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