Question

2 particles of mass m1 and m2 initially at rest at infinite distance starts moving towards each other due to mutual gravitational attraction. Find their velocity of approach (relative velocity) when the separation between them is R.
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Answer 1

Hyy Dude

Two bodies of masses

M¹

M²

and

are initially at rest at infinite distance apart. They are then allowed to move towards each other under mutual gravitational attraction. Their relative velocity of approach at a separation distance

between them is.

Hope it's helps