Chapter 10 – Gravitation
What impulse need to be given to a body of mass m, released from the surface of earth along a straight tunnel passing through centre of earth, at the centre of earth, to bring it to rest. (Mass of earth M, radius of earth R)
19
Sep
What impulse need to be given to a body of mass m, released from the surface of earth along a straight tunnel passing through centre of earth, at the centre of earth, to bring it to rest. (Mass of earth M, radius of earth R) at the centre of earth radius of earth R) released [...]
What additional velocity must be given to a satellite orbiting around the earth with radius R to become free from earths gravitational field ? Mass of the earth is M.
19
Sep
What additional velocity must be given to a satellite orbiting around the earth with radius R to become free from earths gravitational field ? Mass of the earth is M. What additional velocity must be given to a satellite orbiting around the earth with radius R to become free from earths gravitational field ? Mass [...]
A planet of mass m is in an elliptical orbit about the sun with an orbital period T. If A be the area of orbit, then its angular momentum would be
19
Sep
A planet of mass m is in an elliptical orbit about the sun with an orbital period T. If A be the area of orbit, then its angular momentum would be A planet of mass m is in an elliptical orbit about the sun with an orbital period T. If A be the area of [...]
The gravitational potential energy of a body at a distance r from the centre of earth is U. Its weight at a distance 2r from the centre of earth is
19
Sep
The gravitational potential energy of a body at a distance r from the centre of earth is U. Its weight at a distance 2r from the centre of earth is The gravitational potential energy of a body at a distance r from the centre of earth is U. Its weight at a distance 2r from [...]
A planet is revolving round the sun in an elliptical orbit, If v is the velocity of the planet when its position vector from the sun is r, then areal velocity of the planet is
19
Sep
A planet is revolving round the sun in an elliptical orbit, If v is the velocity of the planet when its position vector from the sun is r, then areal velocity of the planet is A planet is revolving round the sun in an elliptical orbit If v is the velocity of the planet when [...]
If orbital velocity of planet is given by v = Ga Mb Rc, then
19
Sep
If orbital velocity of planet is given by v = Ga Mb Rc, then If orbital velocity of planet is given by v = Ga Mb Rc then September 19, 2020 Category: Arihant Physics by D.C Pandey , Chapter 10 - Gravitation , Volume 1 ,
Assume that the acceleration due to gravity on surface of the moon is 0.2 times the acceleration due to gravity on the surface of earth. If Re is the maximum range of a projectile on the earth’s surface, what is the maximum range on the surface of the moon for the same velocity of projection ?
19
Sep
Assume that the acceleration due to gravity on surface of the moon is 0.2 times the acceleration due to gravity on the surface of earth. If Re is the maximum range of a projectile on the earth’s surface, what is the maximum range on the surface of the moon for the same velocity of projection [...]
If gravitational attraction between two points masses be given by F=G rn/m1m2 . Then the period of a satellite in a circular orbit will be proportional to
19
Sep
If gravitational attraction between two points masses be given by F=G rn/m1m2 . Then the period of a satellite in a circular orbit will be proportional to If gravitational attraction between two points masses be given by F=G rn/m1m2 . Then the period of a satellite in a circular orbit will be proportional to September [...]
Consider the two identical particles shown in the given figure. They are released from rest and may move towards each other influence of mutual gravitational force. The velocity of centre of mass of the two particle system:
19
Sep
Consider the two identical particles shown in the given figure. They are released from rest and may move towards each other influence of mutual gravitational force. The velocity of centre of mass of the two particle system: The distance of two planets from the sun are 10^13 and 10^12 m respectively. The ratio of the [...]
Suppose the gravitational attraction varies inversely as the distance from the earth. The orbital velocity of a satellite in such a case varies as nth power of distance where n is equal to
19
Sep
Suppose the gravitational attraction varies inversely as the distance from the earth. The orbital velocity of a satellite in such a case varies as nth power of distance where n is equal to Suppose the gravitational attraction varies inversely as the distance from the earth. The orbital velocity of a satellite in such a case [...]