find the acceleration due to gravity in a mine of depth 640 m if the value at the surfaceis 9.800 ms^-2`. The rdius of the earth is 6400 km.

(a) Find the acceleration due to gravity in a mine of depth 640 km if the value at the surface is 9.800 m//s^(2) . The radius of the earth is 6400 km (b) Find the height over the earth's surface at which the weight of a body becomes half of its value at the surface.

The acceleration due to gravity at a depth of 1600 km inside the earth.

Find the value of acceleration due to gravity in a mine at a depth of 80 km from the surface of the earth . Radius of the earth = 6400 km .

Find the value of acceleration due to gravity in a mine at a depth of 80 km from the surface of the earth . Radius of the earth = 6400 km .

At what height above the earth's surface the acceleration due to gravity will be 1/9 th of its value at the earth’s surface? Radius of earth is 6400 km.

At what height above the earth's surface the acceleration due to gravity will be 1/9 th of its value at the earth’s surface? Radius of earth is 6400 km.

At what height above the earth's surface the acceleration due to gravity will be 1/9 th of its value at the earth’s surface? Radius of earth is 6400 km.