Question

# Two spherical massive bodies of uniform density each of mass $$M$$ and radius $$R$$ are kept at a distance $$4R$$ apart. Then the minimum speed $$(V_{min})$$ required to project a particle from the surface of body $$A$$ such that it will never return on the surface of same body is

A
Vmin=12GM5R
B
Vmin=2GM3R
C
Vmin=5GM7R
D
Vmin=2GMR

Solution

## The correct option is B $$V_{min} = \sqrt {\dfrac {2GM}{3R}}$$Physics

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