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Question

A satellite is in an elliptical orbit around a planet P. It is observed that the velocity of the satellite when it is farthest from the planet is 6 times less than that when it is closest to the planet, the ratio of distance between the satellite and the planet at closest and farthest points is:

A
1:6
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B
1:3
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C
1:2
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D
3:4
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Solution

The correct option is A 1:6
By angular momentum conservation mrminvmax=mrmaxvmin


Given, vmin=vmax6
rminrmax=vminvmax=16

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