Physics questions
20027 published questions with worked solutions.
- A geostationary satellite is orbiting the earth at a height of 11 R above surface of the earth where R is radius of earth . What...
- With what velocity should a satellite be launched from a height of 600 km above the surface of earth so as to move in a circular...
- Venus is orbiting round the Sun in 225 days. The orbital radius of planet is (Mass of Sun= 2 10^ 30 kg , G=6.67 10^ -11 Nm^2/kg^2)
- Venus is orbiting round the Sun in 225 days. The speed of planet is (Mass of Sun= 2 10^ 30 kg , G=6.67 10^ -11 Nm^2/kg^2)
- A satellite appear to be at reast when seen from the equator . It's height from earth surface is nearly equal to
- Period of revolution of a satellite , in its circular orbit of radius r around the earth , is T. The period of revolution of the...
- The radius of the earth is about 6400 km and that of mars is 3200 km . The mass of the earth is about 10 times the mass of mars...
- The speed at which a satellite can move in a stable circular orbit round the earth is , (G=6.67 10^ -11 N m^2/kg^2) ,(M=6.67 10^...
- The height of a satellite from the surface of the earth whose critical velocity 5 km / s . is (G=6.67 10^ -11 N m^2/kg^2) ,(M=6...
- The critical speed of satellite orbiting close to the earth surface is (R=6400 km , g=9.8 m/s^2)
- The critical velocity of a satellite orbiting around the earth at a height equal to radius of the earth is, (G=6.67 10^ -11 N...
- A satellite is taken at a height equal to radius of the earth and is projected horizontally with a speed of 7 km/s. What is the...
- What will be the duration of the year if the distance between the sun and the earth become half?
- A satellite is revolving around the earth in a circular orbit at a distance of 10^7 m from its centre. The speed of the satellite...
- The escape velocity of a body from the surface of a planet is ___. If radius of the planet is 1100 km and acceleration due to...
- The velocity with which a body is projected from the surface of the earth to just escape from the gravitational field of the...
- The C.G.S. unit of universal gravitational constant is
- Gravitational constant in the M.K.S. system is of the order of
- The dimensional formula for universal gravitational constant G is
- The force of attraction between any two particles in the universe is directly proportional to