CBSE Class 11-science Answered
Please help..
Asked by nitishkrnehu09 | 18 Nov, 2017, 10:29: PM
Expert Answer
As per Kepler's law of Areas, ωr2 is constant for the given planet orbit.
Here ω is angular velocity and r is the distance between star and planet.
This leads to V×r = constant where v is the tangential speed.
hence VP × rP = VA × rA
here a is semi major axis of elliptical orbit.
Answered by | 20 Nov, 2017, 05:28: PM
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