What is the distance from the earth's center to a point outside the earth where the gravitational acceleration due to the earth is 1/40 of its value at the earth's surface?

Respuesta :

R2^ 2 / R1 ^2 = g1 / g2 = 38 

R2 = R1 x √38 = 6.1644* R1 

R2 = 6.1644 x 6378 000 = 39316632.5 m