Physics questions
20027 published questions with worked solutions.
- There is body lying on earth and suppose earth suddenly looses its power of attraction then:
- A body is attached with satellite revolving in circular orbit. After some revolutions the body is detached from satellite. What...
- A man inside an artificial satellite feels weightlessness because the force of attraction due to earth is:
- For geostationary satellite
- A man is carrying a load equal to his own weight (W) on his head. If he jumps from roof of a building. During his fall, the...
- The geo-synchronous satellite of the earth orbit from:
- A body of mass m is moved to a height equal to the radius of earth R. the increase in potential energy is:
- Height at which the value of acceleration due to gravity is 36% as that of the earth is
- The value of acceleration due to gravity on the surface of the earth is g. if the diameter of the earth becomes double of its...
- Ratio of gravitational force acting on body at height 1600 km to gravitational force acting the same body on earth's surface...
- The critical velocity of a satellite of mass 100 kg is 20 km/hr. the critical velocity of another satellite of mass 200 kg in...
- What will be weight of the body of mass 10 kg at the center of earth?
- Two satellite of masses 80 kg and 120 kg revolve round the planet in circular orbit of radii 16R and 9R respectively, where R is...
- K.E. of revolving satellite at a height equal to radius of earth
- The period of satellite in a circular orbit of radius R is T. The period of another satellite in a circular orbit of radius 4 R...
- The orbital velocity of a body close to the surface of earth is nearly
- An artificial satellite moving in a circular orbit around the earth has a total (kinetic + potential) energy E_0. Its potential...
- The ratio of kinetic energy required to be given to stationary satellite to escape earth's gravitational field to K.E. required...
- A satellite is revolving around the earth in a circular orbit whose radius is R work done by gravitational force in one...
- Height at which value of 'g' becomes one-fourth to that on earth is