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The escape velocity for a planet is upsi...

The escape velocity for a planet is `upsilon_e`. A tunnel is dug along a diameter of the planet and a small body is dropped into it at the surface. If R is the radius of the planet and g is the acceleration due to gravity at its surface then the body will reach the centre of the planet in time

A

`2pisqrt(R//g)`

B

`pisqrt(R//g)`

C

`pi/2sqrt(R//g)`

D

`sqrt(2R//g)`

Text Solution

Verified by Experts

The correct Answer is:
C
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