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0 votes
12.5k views
in Physics by (34.5k points)

The angular momentum of a planet of mass M moving around the sun in an elliptical orbit is \(\vec L\) . The magnitude of the areal velocity of the planet is :

(1) \(\frac{4L}M\)

(2) \(\frac LM\)

(3) \(\frac{2L}M\)

(4) \(\frac{L}{2M}\)

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1 Answer

+1 vote
by (35.0k points)

Correct option is (4) \(\frac{L}{2M}\) 

For small displacement ds of the planet its area can be written as

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