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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//9`

C

`g'=9g`

D

`g'=27 g`

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The correct Answer is:
A
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