Gravitation Question 183

Question: A planet moves around the sun. At a given point P, it is closest from the sun at a distance [d1] and has a speed [v1] . At another point Q,whenit is farthest from the sun at a distance [d2] , its speed will be [MP PMT 1987; DCE 2002]

Options:

A) [d12v1d22]

B) [d2v1d1]

C) [d1v1d2]

D) [d22v1d12]

Show Answer

Answer:

Correct Answer: C

Solution:

Angular momentum remains constant [mv1d1=mv2d2,,v2=v1d1d2]



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