A spherical planet has a mass M(p) and d...

A spherical planet has a mass `M_(p)` and diameter `D_(p)`. A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity, equal to:

`4GM_p // D_p^2`

`GM_p m // D_p^2`

`GM_p // D_p^2`

`GM_p m // D_p^2`

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