Question

deduce an expression for the effect of the altitude on gravity of earth?​

Answer 1

Let M be mass of the earth, R be the radius of the earth

g

d

be gravitational acceleration at depth

′

d

′

from the earth surface

g be gravitational acceleration on the earth surfaces.

p be the density of the earth.

′

p

′

be the point inside the earth at depth

′

d

′

from earth surfaces.

Answer 2

Answer:

see this attachment

hope it helps you