The density of the core of a planet is x and that of outer shell is y. The radii of the core and that of the planet are R and 2R. The acceleration due to gravity at the surface of planet is same as at a depth R. The ratio of x and y is n/3. Find the value of n.

The density of the core a planet is rho_(1) and that of the outer shell is rho_(2) . The radii of the core and that of the planet are R and 2R respectively. The acceleration due to gravity at the surface of the planet is same as at a depth R . Find the radio of (rho_(1))/(rho_(2))

The density of the core of planet is rho_(1) and that of the outer shell is rho_(2) . The radius of the core that of the planet are R and 2R respectively. Gravitastional intensity at the surface of the planet is same as at a depth R. Find the ratio (rho_(1))/(rho_(2)) , assuming them to be uniform independently.

The acceleration due to gravity near the surface of a planet of radius R and density d is proportional to

A planet is made of two materials of density rho_(1) and rho_(2) as shown in figure. The acceleration due to gravity at surface of planet is same as a depth 'R' . The ratio of (rho_(1))/(rho_(2)) is x/3 . Find the value of x .

If R is the radius of a planet and g is the acceleration due to gravity, then the mean density of the planet is given by

The mass and diameter of a planet have twice the value of the corresponding parameters of earth. Acceleration due to gravity on the surface of the planet is