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A particle falls towards the earth from ...

A particle falls towards the earth from inifinity. The velocity with which it reaches the earth is surface is

A

`v=2gR`

B

`v=sqrt(2gR)`

C

`V=sqrt(gR)`

D

`v=gR`

Text Solution

Verified by Experts

The correct Answer is:
B
The projecting body having same final velocity to reach projecting place. So, `v=sqrt(2gR)`
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