A body of mass m is orbiting the earth at a radius r from the center of earth
A body of mass m is orbiting the earth at a radius r from the center of earth. Another body of mass 2m is orbiting at a radius 2r. What is the ratio of their […]
Gravitation
A body revolved around the sun 27 times faster than the earth. What is the ratio
A body revolved around the sun 27 times faster than the earth. What is the ratio of their radii?
Options
(a) 1 / 3 (b) 1 / 9 (c) 1 / 27 (d) […]
If R is the radius of the earth and g is the acceleration due to gravity
If R is the radius of the earth and g is the acceleration due to gravity on the earth surface, the mean density of the earth is
Options
(a) 4πG/3gR (b) 3πG/4gR (c) 3g/4πRG […]