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JEE PHYSICS MCQ: GRAVITATION

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Application +4 | -1

Two particles of masses

m

and

M

are initially at rest at infinite distance. Find their relative velocity of approach due to gravitational attraction when

d

is their separation at any instant.

View answer and explanation

Correct option: A

\sqrt{\frac{2 G(M+m)}{d}}

Option A (

\sqrt{\frac{2 G(M+m)}{d}}

) is correct because it is derived from the conservation of energy, considering the reduced mass and gravitational potential energy.

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