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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 it is 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 planet is `g^’`, then

A

`g^' = 3g`

B

`g^' = 9g`

C

`g^' = g/g`

D

`g^' = 27g`

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The correct Answer is:
A
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