InterviewSolution
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InterviewSolution
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A plenet moving along an elliptical orbit is closest to the sun at a distance `r_(1)` and farthest away at a distance of `r_(2)`. If `v_(1)` and `v_(2)` are the linear velocities at these points respectively, then the ratio `(v_(1))/(v_(2))` isA. `r_(2)//r_(1)`B. `(r_(2)//r_(1))^(2)`C. `r_(1)//r_(2)`D. `(r_(1)//r_(2))^(2)` |
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Answer» Correct Answer - A From the law of coservation of angular momentum `m_(1)v_(1)=mr_(2)v_(2)` `r_(1)v_(1)=r_(2)v_(2)` `(v_(1))/(v_(2))=(r_(2))/(r_(1))` |
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