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A planet of mass m is revolving round th...

A planet of mass m is revolving round the sun (of mass `M_(s`) in an elliptical orbit. If `vecv` is the velocity of the planet when its position vector from the sun is `vecr`, then areal velocity of the positon vector of the planet is :

A

`vecv + vecr`

B

`vecr xx vecv`

C

`1/2(vecv xx vecr)`

D

`1/2(vecr xx vecv)`

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The correct Answer is:
D
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