The radius of a planet is twice the radius of earth. Both have almost
The radius of a planet is twice the radius of earth. Both have almost equal average mass densities. If Vp…
7 years ago
Physics
If vₑ is escape velocity and vₙ is orbital velocity of a satellite
If vₑ is escape velocity and v(o) is orbital velocity of a satellite for orbit close to the earth's surface,…
7 years ago
A geostationary satellite is orbiting the earth at a height of 5R above that surface
A geostationary satellite is orbiting the earth at a height of 5R above that surface of the earth, R being…
7 years ago
A spherical planet has a mass Mp and diameter Dp. A particle of mass
A spherical planet has a mass Mp and diameter Dp. A particle of mass m falling freely near the surface…
7 years ago
The height at which the weight of a body becomes 1/16 th, its weight
The height at which the weight of a body becomes 1/16 th, its weight on the surface of earth (radius…
7 years ago
The depth at which the effective value of acceleration due to gravity is g/4
The depth at which the effective value of acceleration due to gravity is g/4 is (R=Radius of earth) Options (a)…
7 years ago
Weight of a body of mass m decreases by 1% when it is raised to height h
Weight of a body of mass m decreases by 1% when it is raised to height h above the earth's…
7 years ago
A particle of masses m is thrown upwards from the surface of the earth, with a velocity u
A particle of masses m is thrown upwards from the surface of the earth, with a velocity u. The mass…
7 years ago
A planet moving along an elliptical orbit is closest to the sun at a distance of r₁
A planet moving along an elliptical orbit is closest to the sun at a distance of r₁. If v₁ and…
7 years ago
Two spheres of mass m and M are situated in air and the gravitational force
Two spheres of mass m and M are situated in air and the gravitational force between them is F. The…
7 years ago