Find the velocity of escape at the earth given that its radius is `6.4xx^(6)`m and the value of g at its surface is `9.8ms^(-2)`

Find the velocity of escape at the moon. Given that its radius is 1.7xx10^(6) m and the value of 'g' is 1.63 ms^(-2) .

At what altitude, the acceleration due to gravity reduces to one fourth of its value as that on the surface of the earth ? Take radius of earth as 6.4 xx 10^(6) m , g on the surface of the earth as 9.8 ms^(-2) .

Find the value of g at a height of 400 km above the surface of the earth . Given radius of the earth , R = 6400 km and value of g at the surface of the earth = 9.8 ms^(-2) .

At what altitude , the acceleration due to gravity reduces to half of its value as that on the surface of the earth ? Take radius of earth as 6 . 4 xx 10^(6) m , g on the surface of the earth as 9.8 m//s ^(2) .

At what altitude, the acceleration due to gravity reduces to half of its value as that on the surface of the earth ? Take radius of earth as 6.410^(6) m, g on the surface of the earth as 9.8 m//s^(2) .

If the escape velocity of a planet is 3 times that of the earth and its radius is 4 times that of the earth, then the mass of the planet is (Mass of the earth = 6 xx 10^24 kg )

Calculate the escape velocity for an atmospheric particle 1600 km above the earth's surface, given that the radius of the earth is 6400 km and acceleration due to gravity on the surface of earth is 9.8 ms^(-2) .

Jupiter has a mass 318 times that of the earth, and its radius is 11.2 times the earth's radius. Estimate the escape velocity of a body from Jupiter's surface, given that the escape velocity from the earth's surface is 11.2 Km S^(-1) .

The escape velocity of a planet having mass 6 times and radius 2 times as those of the earth is