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Answer 1

Answer:

Acceleration due to gravity is the acceleration gained by an object due to gravitational force. Its SI unit is m/s2

A body weighs more at the poles than at the equator, because the earth is not a perfect square, but it is flattened at the poles. The distance between the equator and the center of the earth is less than at the poles; therefore the force of gravitation is more at the poles than at the equator; and so it weighs more at the poles than equator.

M=gR^2/G

=9.8x(6.4x10^6)^2/6.6x10^6

=6400km

bro radius of earth is 6400km .

equation and step is not sure..

Answer 2

Hola mate

Here is your answer -

Acceleration due to gravity is the acceleration gained by an object due to gravitational force. Its SI unit is m/s2

A body weighs more at the poles than at the equator, because the earth is not a perfect square, but it is flattened at the poles. The distance between the equator and the center of the earth is less than at the poles; therefore the force of gravitation is more at the poles than at the equator; and so it weighs more at the poles than equator.

M=gR^2/G

=9.8x(6.4x10^6)^2/6.6x10^6

=6400km