October 13, 2015

Homework Help: physics

Posted by annn on Tuesday, February 1, 2011 at 7:40pm.

Mars has a mass of about 6.14 1023 kg,
and its moon Phobos has a mass of about
9.8 1015 kg.
If the magnitude of the gravitational force
between the two bodies is 4.18 1015 N,
how far apart are Mars and Phobos? The
value of the universal gravitational constant
is 6.673 10−11 N m2/kg2.

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