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Suppose two worlds, each having mass M and radius R, coalesce into a single world. Due...

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Physics

Suppose two worlds, each having mass M and radius R, coalesceinto a single world. Due to gravitational contraction, the combinedworld has a radius of only 7/8 R. What is the average density ofthe combined world as a multiple of ρ0, the average density of theoriginal two worlds?

Answer & Explanation Solved by verified expert
4.5 Ratings (599 Votes)
We know that density is given byDensity MassVolumeGiven that0 average density    See Answer
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