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Acceleration due to gravity on moon is 1...

Acceleration due to gravity on moon is `1//6` of the acceleration due to gravity on earth. If the ratio of densities of earth `(rho_(e))` and moon `(rho_(m))` is `((rho_(e))/(rho_(m)))=5/3` then radius of moon `(R_(m))` in terms of `R_(e)` will be

A

`5/18 R_(e)`

B

`1/6R_(e)`

C

`3/18R_(e)`

D

`1/(2sqrt(3))R_(e)`

Text Solution

Verified by Experts

The correct Answer is:
A

`g=4/3pi Grrhoimpliesg prop R rho`
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NARAYNA-GRAVITATION-EXERCISE -II (C.W.)
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  11. A particle falls towards the earth from inifinity. The velocity with w...

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