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If on the surface of earth, the gravitat...

If on the surface of earth, the gravitational acceleration is `g_0` then the value of gravitational acceleration at height `2R_e` from the surface of earth is

A

`g_0 / 4`

B

`g_0 / 2`

C

`g_0 / 3`

D

`g_0 / 9`

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