The value of acceleration due to gravity at the surface of earth

The value of acceleration due to gravity on the surface of earth is x . At an altitude of h from the surface of the earth, its value is y . If R is the radius of earth, then the value of h is

The value of acceleration due to gravity on the surface of earth is x. At altitude of .h. from the surface of earth, its value is y. If .R. is the radius of earth, then the value of h is

What is the value of acceleration due to gravity on the surface of earth ?

The uniform acceleration produced in a freely falling body due to gravitational pull of the earth is known as acceleration due to gravity. What is the value of acceleration due to gravity on the surface of earth.

What is the value of acceleration due to gravity on the surface of earth if the entire earth was made of gold ? (Radius of earth = 6400 km , Density of gold = 19.3 xx 10^(3) kg//m^3 and G = 6.67 xx 10^(-11) MKS)