Gravitation questions
1239 published questions with worked solutions.
- The value of escape velocity on a certain planet is 2 km s ^ -1 . Then, the value of orbital speed for a satellite orbiting close...
- A mass of 6 10^ 24 kg is to be compressed into a sphere in such a way that the escape velocity from the sphere is 3 10^8 m/s....
- A body is projected upwards with a velocity of 4 11.2 kms ^ -1 from the surface of earth. What will be the velocity of the body...
- The gravitational potential energy of a body of mass m at a distance r from the centre of the earth is U. What is the weight of...
- The escape velocity of a body on the earth's surface is v_e. A body is thrown up with a speed 5 ,v_e. Assuming that the sun and...
- If g is the acceleration due to gravity on the surface of the earth, the gain in potential energy of an object of mass m raised...
- A body is released from a point at distance r from the centre of earth. If R is the radius of earth and r>R, then the velocity of...
- The escape velocity of a projectile on the earth's surface is 11.2 kms ^ -1 . A body is projected out with thrice this speed. The...
- The total energy of a satellite of mass m in a circular orbit of radius r around the earth (radius R, surface gravity g) is...
- The escape velocity for a body projected vertically upwards from the surface of earth is 11.2 kms ^ -1 . If the body is projected...
- The change in potential energy when a body of mass m is raised to a height nR from earth's surface is (R = radius of the earth)...
- Infinite number of masses, each 1 kg, are placed along the x-axis at x= 1 m , 2 m , 4 m , 8 m , 16 m . The magnitude of the...
- The escape velocity on earth is **[AMU 2005]**
- A planet has twice the radius but the mean density is 14th as compared to earth. What is the ratio of escape velocity from earth...
- Energy required to move a body of mass m from an orbit of radius 2R to 3R is **[Jamia Millia Islamia 2005]**
- A rocket is sent vertically up with a velocity v less than the escape velocity from the earth. Taking M and R as the mass and...
- A planet in a distant solar system is 10 times more massive than the earth and its radius is 10 times smaller. Given that the...
- An asteroid of mass m is approaching earth, initially at a distance 10R_e with speed v_i. It hits the earth with a speed v_f (R_e...
- Acceleration due to gravity g for a body of mass m on earth's surface is proportional to (Radius of earth =R, mass of earth =M)
- A geostationary satellite is revolving around the earth. To make it escape from the gravitational field of earth, its velocity...
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