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Imagine a new planet having the same den...

Imagine a new planet having the same density as that of earth but `3` times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is `g` and that on the new plane is `g` , then :

A

`g' = 3g`

B

`g' = (g)/(g)`

C

`g' = 9g`

D

`g' = 27g`

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The correct Answer is:
C
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