Home
Class 12
PHYSICS
A planet of mass m revolves in elliptica...

A planet of mass `m` revolves in elliptical orbit around the sun of mass `M` so that its maximum and minimum distance from the sun equal to `r_(a)` and `r_(p)` respectively. Find the angular momentum of this planet relative to the sun.

A

`msqrt((2GMr_1r_2)/(r_1+r_2))`

B

0

C

`msqrt((2GM(r_1+r_2))/(r_1r_2))`

D

`sqrt((2GMmr_1)/((r_1+r_2)r_2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A planet of mass 'm' moves in an elliptical orbit around an unknown star of mass 'M' such that its maximum and minimum distances from the star are equal to r_1 and r_2 respectively. The angular momentum of the planet relative to the centre of the star is

A planet of mass m moves around the Sun along an elliptical path with a period of revolution T. During the motion, the planet's maximum and minimum distance from Sun is R and R/3 respectively. If T^2=alpha R^3 , Then the magnitude of constant alpha will be

The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A,B and C are K_(A),K_(B) and K_(C) respectively. AC is the major axis and SB is perpendicular to AC at the position of the sun as shown in the figure. Then

Two satellite fo masses m and 4m orbit the earth in circular orbits of radii 4r and r respectively. The ratio of their orbital speed is

A planet orbits the Sun in time T at a distance of R from it.Another planet orbits the Sun in a time of 8 T What is its distance R' from the sun.

A planet is revolving around the sun as shown in the figure. The radius vectors joining the sun and the planet al points A and B are 90 xx 10^6 km and 60 xx 10^6 km respectively. The ratio of velocities of the planet at A and B when its velocities make 30^@ and 60^2 with major axis of the orbit is

Two planets move around the sun. The periodic times and the mean radii of the orbits are T_(1), T_(2) and r_(1) r_(2) respectively. The ratio T_(1)//T_(2) is equal to

According to Kepler, the period of revolution of a planet ( T ) and its mean distance from the sun ( r ) are related by the equation

A satellite revolves around the earth along circular path. If the mass of the satellite is 1000 kg and its distance from the centre of the earth is 20000 km, find the magnitude of the earth's gravitational force acting on the satellite.

The angular velocity of rotation of a planet of mass M and radius R, at which the matter start to escape from its equator is