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If density of the earth is doubled keepi...

If density of the earth is doubled keeping radius constant, the new acceleration due to gravity is (g = `9.8 m//s^2` )

A

`19.6m//s^2`

B

`9.8m//s^2`

C

`4.9m//s^2`

D

`2.45m//s^2`

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The correct Answer is:
A
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