1.At what height above the earth's surface is the acceleration due to gravity 10% of that at sea level?
2.The moon has 1/6 the acceleration of gravity of the earth. What would the mass of the earth have to be to have this acceleration at its surface?
2.The moon has 1/6 the acceleration of gravity of the earth. What would the mass of the earth have to be to have this acceleration at its surface?