Gravitation questions
1239 published questions with worked solutions.
- There are two planets. The ratio of the radius of the two planets is K but the ratio of the acceleration due to gravity of both...
- The escape velocity of a planet having mass 6 times and radius 2 times as that of earth is
- Four particles each of mass M are located at the vertices of a square with side L. The gravitational potential due to this at the...
- A particle of mass m is thrown upwards from the surface of the earth, with a velocity u. The mass and the radius of the earth...
- Escape velocity on the surface of earth is 11.2 km/s. Escape velocity from a planet whose mass is the same as that of earth and...
- The Earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the Earth. The escape...
- If V, R and g denote respectively the escape velocity from the surface of the earth (of radius R) and acceleration due to...
- The radius of a planet is 1/4 of earth's radius and its acceleration due to gravity is double that of earth's acceleration due to...
- What is the escape velocity for a body on the surface of a planet on which the acceleration due to gravity is (3.1)^2 ms ^ -2 and...
- If g is the acceleration due to gravity at the earth's surface and r is the radius of the earth, the escape velocity for the body...
- The escape velocity of a body on the surface of the earth is 11.2 km/s. If the earth's mass increases to twice its present value...
- For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is
- A particle falls towards earth from infinity. Its velocity on reaching the earth would be
- A body of mass m kg starts falling from a point 2R above the Earth's surface. Its kinetic energy when it has fallen to a point...
- The escape velocity for the earth is v_e. The escape velocity for a planet whose radius is four times and density nine times that...
- The escape velocity from earth is v_ es . A body is projected with velocity 2v_ es . With what constant velocity will it move in...
- The escape velocity of a sphere of mass m from earth having mass M and radius R is given by
- The gravitational potential energy of a body of mass 'm' at the earth's surface is -mgR_e. Its gravitational potential energy at...
- The masses and radii of the earth and moon are M_1,R_1 and M_2,R_2 respectively. Their centres are at a distance d apart. The...
- The escape velocity of an object on a planet whose g value is 9 times that on earth and whose radius is 4 times that of earth, in...
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