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A planet is revolving around the sun as ...

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

A

`3/2sqrt3`

B

`2/sqrt3`

C

`1/sqrt3`

D

`sqrt3/2`

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