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A planet revolves around the sun in an e...

A planet revolves around the sun in an elliptical orbit. If `v_(p)` and `v_(a)` are the velocities of the planet at the perigee and apogee respectively, then the eccentricity of the elliptical orbit is given by :

A

`v_(p)/v_(a)`

B

`(v_(a)-v_(p))/(v_(a)+v_(p))`

C

`(v_(p)+v_(a))/(v_(p)-v_(a))`

D

`(v_(p)-v_(a))/(v_(p)+v_(a))`

Text Solution

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The correct Answer is:
D
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