1.

A planet moves around the sun. at a given point `P`, it is closest from the sun at a distance `d_(1)`, and has a speed `V_(1)`. At another point `Q`, when it is farthest from the sun at a distance `d_(2)`, its speed will beA. `(d_(1)^(2)v_(1))/(d_(2)^(2))`B. `(d_(2)v_(1))/(d_(1))`C. `(d_(1)v_(1))/(d_(2))`D. `(d_(2)^(2)v_(1))/(d_(1)^(2))`

Answer» Correct Answer - c
`mv_(1)d_(1)=mv_(2)d_(2) rArr v_(2)=(d_(1)v_(1))/(d_(2))`


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