Saturday
December 10, 2016

Homework Help: physics

Posted by jay on Friday, December 24, 2010 at 9:39pm.

Mars has a mass of about 6.45 × 10
23
kg,
and its moon Phobos has a mass of about
9.4 × 10
15
kg.
If the magnitude of the gravitational force
between the two bodies is 4.68 × 10
15
N,
how far apart are Mars and Phobos? The
value of the universal gravitational constant
is 6.673 × 10
−11
N · m2
/kg
2

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