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A particle falls towards earth from infinity. Its velocity on reaching the earth

A particle falls towards earth from infinity. Its velocity on reaching the earth would be

Options

(a) infinity
(b) √(2gR)
(c) 2 √(Rg)
(d) zero

Correct Answer:

√(2gR)

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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  • Velocity will be equal to the escape velocity from Earth i,e root over of 2gR

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