Homework Help: physics

Posted by rory on Sunday, December 7, 2008 at 9:37pm.

a spaceship is traveling to the moon. at what point is is beyond the pull of the earth's gravity?
a. above the atmosphere
b. half way there
c. when it's closer to the moon than the earth
d. never beyond the pull of the earth

physics - bobpursley, Sunday, December 7, 2008 at 9:47pm
Newtons law of gravity has distance squared in the denominator, even to infinity.
physics - rory, Sunday, December 7, 2008 at 10:02pm
thanks!

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