Homework Help: physics

Posted by johnny on Tuesday, April 19, 2011 at 9:44pm.

How high does a rocket have to go above Earth's surface until its weight is one fourth what it would be on Earth?

physics - bobpursley, Tuesday, April 19, 2011 at 9:49pm
sqrt (1/4)=1/2

so wouldn't it be one radius of earth above earth (doubling distance from center of Earth).

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