1.

For the double star system, the two stars having masses m_(1) and m_(2) are separated b a distance r. They are revolgin about their common centre of mass in radii r_(1) and r_(2) respectively. Which of the following is/are incorrect.?

Answer»

The whole system can be studied can be studied by REPLACING it by a single MASS `(m_(1)m_(2))/(m_(1)+m_(2))` revolgin about the center of mass.
The angular velocity of `m_(2)` is LESS than that of `m_(1)`
Force acting on `m_(1)` is `(Gm_(1)m_(2))/(r_(1)^(2))` and that acting on `m_(2)` is `(Gm_(1)m_(2))/(r_(2)^(2))`
For acting on `m_(2)` is `(Gm_(1)m_(2))/(R^(2))m_(2)`

Answer :A::B::C


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