Question

What will be the value of g at the bottom of sea 7 km deep? Diameter of the earth is 12800 km and gon the surface of the earth is `9.8 ms^(-2)`.

Options:
(a) `9.789 m'/'s^2` (b) `9259m'/'s^2` (c) `97.89 m'/'s^2` (d) `0.987m'/'s^2`