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A planet revolves in elliptical orbit ar...

A planet revolves in elliptical orbit around the sun. (see figure). The linear speed of the planet will be maximum at

A

A

B

B

C

C

D

D

Text Solution

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Here, angular momentum is conserved, i.e, `L=Iomega` constant. At the moment of inertia I is least. So angular speed and therefore the linear speed of planet at A is maximum.
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