- #1
BrainMan
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Homework Statement
Two identical rocks of mass 2 kg drift through space far from any planet or star. If they pass one another at a separation of 30 cm, what is the magnitude of the gravitational force of one rock on the other at this instant.
Homework Equations
F = G (m1m2/r2)
The Attempt at a Solution
(4/.32)(6.673 x 10-11) = F
(4/.09)(6.673 x 10-11 = F
44.444444444444(6.673 x 10-11 = F
F = 3.804 x 10-8 N
the actual answer is F = 2.96 x 103 N