Thursday
July 30, 2015

Homework Help: physics

Posted by jawn on Wednesday, October 7, 2009 at 8:52pm.

At what altitude above the Earth's surface is the acceleration due to gravity equal to g/128?

i did

g/128=(G*Earth's mass)/r^2
then solved for r and got 72080960. its within 10% of the correct answer but not correct. what am i doing wrong? (ive already rounding differently,etc)

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