Find the acceleration due to gravity in a mine of depth 640 m if the value at the surface is 9.800 ms^-2. The radius of the earth is 6400 Km.
To find g at a depth, the formula is
Now,

Question

Find the acceleration due to gravity in a mine of depth 640 m if the value at the surface is 9.800 ms -2 . The radius of the earth is 6400 Km.

Philoid · Accepted Answer

To find g at a depth, the formula is

Now,