Two satellites and revolve around a planet in coplanar circular orbits in the same sense. Their periods of revolution are 1 h and 8 h respectively. The radius of orbit of is km. When is closest to , the speed of relative to is |
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Two satellites and revolve around a planet in coplanar circular orbits in the same sense. Their periods of revolution are 1 h and 8 h respectively. The radius of orbit of is km. When is closest to , the speed of relative to is |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(a)**

If and are the time periods for satellite and respectively

km

Relative velocity of with respect to is

127 votes

127