InterviewSolution
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InterviewSolution
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Supose a planet is revolving around the sun in an elliptical path given by `(x^(2))/(a^(2)) + (y^(2))/(b^(2))=1` Find time period of revolution Angular momentum of the planet about the sun is `L` . |
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Answer» Rate of area swept `(dA)/(dt) = (L)/(2m)` =constant `rArr dA = L/(2m)dt` `underset(A=0)overset(A=piab)intdA=underset(t=0)overset(t=T)int(L)/(2m)dt` `rArrpiab=(L)/(2m)TrArrT=(2pimab)/(L)` . |
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