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Two satellites S(1) and S(2) are revolvi...

Two satellites `S_(1) and S_(2)` are revolving round a planet in coplanar circular orbits of radii `r_(1)` and `r_(2)` in the same directin, respectively.Their repective periods of revolution are 1 h and 8gh.The radius of orbit of satellitye `S_(1)` is equal to `10^(4)` km.What will be their relative speed (in km//h)when they are closes?

A

`(pi)/(2) xx 10^(4)`

B

`pi xx 10^(4)`

C

`2pi xx 10^(4)`

D

`4pi xx 10^(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
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