Chapter 10 – Gravitation
The mass of a spaceship is 1000 kg. It is to be launched from the earths surface out into free space. The value of g and R (radius of earth) are 10 m/s and 6400 km respectively. The required energy for this work will be :
13
Sep
The mass of a spaceship is 1000 kg. It is to be launched from the earths surface out into free space. The value of g and R (radius of earth) are 10 m/s and 6400 km respectively. The required energy for this work will be : A planet in a distant solar system is 10 [...]
The height at which the acceleration due to gravity becomes g/9 (where g = is the acceleration due to gravity on the surface of the earth) in terms of R, the radius of the earth, is
13
Sep
The height at which the acceleration due to gravity becomes g/9 (where g = is the acceleration due to gravity on the surface of the earth) in terms of R, the radius of the earth, is is The height at which the acceleration due to gravity becomes g/9 (where g = is the acceleration due [...]
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 escape velocity from the earth is 11ms^−1, the escape velocity from the surface of the planet would be
13
Sep
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 escape velocity from the earth is 11ms^−1, the escape velocity from the surface of the planet would be A planet in a distant solar system is 10 times more massive [...]
If gE and gM are the accelerations due to gravity on the surface of the earth and the moon respectively and if Millikan’s oil drop experiment could be performed on the two surfaces, one will find the ratio electronic charge on the earth electronic charge on the moon to be
13
Sep
If gE and gM are the accelerations due to gravity on the surface of the earth and the moon respectively and if Millikan’s oil drop experiment could be performed on the two surfaces, one will find the ratio electronic charge on the earth electronic charge on the moon to be If gE and gM are [...]
A particle of mass 10g is kept on the surface of a uniform sphere of mass 100kg and radius 10cm. Find the work done against the gravitational force between them to take the particle far away from the sphere.
13
Sep
A particle of mass 10g is kept on the surface of a uniform sphere of mass 100kg and radius 10cm. Find the work done against the gravitational force between them to take the particle far away from the sphere. A satellite of mass m revolves around the earth of radius R at a height x [...]
If g is the acceleration due to gravity on the earth’s surface, the gain in the potential energy of an object of mass m raised from the surface of the earth to a height equal to the radius R of the earth, is
13
Sep
If g is the acceleration due to gravity on the earth’s surface, the gain in the potential energy of an object of mass m raised from the surface of the earth to a height equal to the radius R of the earth, is If g is the acceleration due to gravity on the earth's surface [...]
The time period of an earth satellite in circular orbit is independent of
13
Sep
The time period of an earth satellite in circular orbit is independent of The time period of an earth satellite in circular orbit is independent of September 13, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 10 - Gravitation ,
A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to gravity on the surface of the earth, the orbital speed of the satellite is
12
Sep
A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to gravity on the surface of the earth, the orbital speed of the satellite is A satellite of mass m revolves around the earth of radius R at a height [...]
Two spherical bodies of mass M and 5M and radii R and 2R respectively are released in free space with initial separation between their centres equal to 12R. If they attract each other due to gravitational force only. then the distance covered by the smaller body just before collision is
12
Sep
Two spherical bodies of mass M and 5M and radii R and 2R respectively are released in free space with initial separation between their centres equal to 12R. If they attract each other due to gravitational force only. then the distance covered by the smaller body just before collision is If suddenly the gravitational force [...]
The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite is increased to 4 times the previous value, the new time period will become
12
Sep
The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite is increased to 4 times the previous value, the new time period will become the new time period will become The time period of a satellite of earth is 5 hours. If the separation between [...]