Two asteroid s are drifting away from each other.One asteroid have mass of 240000 kg. and the other has a mass of 100000 kg. What is the change in gravitational potential energy as their center s of the mass move from 100 m apart to 1000 m apart?
"\\Delta U=Gm_1m_2(\\frac 1{r_2}-\\frac 1{r_1})=-14.4~mJ."
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