Question
Question: A comet orbits the sun in a highly elliptical orbit. Which of the following quantities remains const...
A comet orbits the sun in a highly elliptical orbit. Which of the following quantities remains constant throughout its orbit ?
(i) Linear speed (ii) Angular speed
(iii)Angular momentum (iv) Kinetic energy
(v) Potential energy (vi) Total energy
A
(i), (ii), (iii)
B
(iii), (iv), (v)
C
(iii) and (vi)
D
(ii), (iii) and (vi)
Answer
(iii) and (vi)
Explanation
Solution
A comet while going on elliptical orbit around the sun has constant angular momentum and total energy at all locations but other quantities vary with locations.