If the accelaeration due to gravity g at the earth's surface is 9.8 `ms^-2` and mass of earth is 80 times that of moon and radius of earth 4 times that of moon , the value of g at the moon's surface will be

Calculate the acceleration due to gravity on the surface of moon if mass of the moon is 1/80 times that of the Earth and diameter of the moon is 1/4 times that of the Earth.

The acceleration due to gravity on the Earth's surface is about 6 times that on the Moon. The radius of the Moon is nearly (4)/(18) times that of the Earth. The ratio of the binding energy of a body at rest on the Earth's surface to that on the Moon's surface is about

At what height above the surface of the earth is the gravitational potential energy of a body equal to that on the surface of the moon ? Assume that the mass of the earth is 80 times that of the moon and the radius of the earth is 4 times that of the moon. Given ,Radius of the earth =6400 km.

The acceleration due to gravity at the moon's surface is 1.67 ms^(-2) . If the radius of the moon is 1.74 xx 10^(6) m , calculate the mass of the moon.

The acceleration due to gravity at the moon's surface is 1.67 ms^(-2) . If the radius of the moon is 1.74 xx 10^(6) m , calculate the mass of the moon.

If the mass of the earth is 80 times of that of moon and its diameter is double that of moon and g on earth is 98m//sec^2 ,then the value of g on moon is

An astronaut on the moon measures the acceleration due to gravity to be 1.7 ms^(-2) . He known that the radius of the moon is about 0.27 times that of the earth . Find the ratio of the mass of the earth to that of the moon , if the value of g on the earth's surface is 9.8 ms^(-2) .

The mass of the earth is 81 times that of the moon and the radius of the earth is 3.5 times that of the moon. The ratio of the escape velocity on the surface of earth to that on the surface of moon will be