February 21, 2017

Homework Help: physics

Posted by peter on Sunday, March 20, 2011 at 10:19pm.

magine a straight line connecting the centers of the earth and the moon. At some point along this line the gravitational forces pulling a spacecraft towards the moon and towards the earth exactly balance each other, and the craft could just sit there in (an unstable) equilibrium. How far is this point from the center of the moon? (Neglect the gravitational field of the sun and the relative motion of earth and moon for this problem.)

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