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A planet of mass m moves along an ellips...

A planet of mass `m` moves along an ellipse around the sun so that its maximum and minimum distance from the sun are equal to `r_(1)` and `r_(2)` respectively. Find the angular momentum of this planet relative to the centre of the sun. mass of the sun is `M`.

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The correct Answer is:
`J=msqrt((2GM_(s)r_(1)r_(2)//(r_(1)+r_(2))`
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