Question

Three mass 'm' each are kept at corner of a equilateral triangle and are rotating under effect of mutual gravitational force-

(Multiple correct answers)

• A. Radius of circular path followed by mass is $a/\sqrt{3}$
• B. Velocity of mass is $\sqrt{\frac{Gm}{a}}$
• C. Total energy of system is $-\frac{1.5G{m}^2}{a}$
• D. Time period of mass is $\sqrt{\frac{\pi a^3}{2Gm}}$

Answer 1

Answer: (A), (B)

The correct options are
A Radius of circular path followed by mass is $a/\sqrt{3}$
B Velocity of mass is $\sqrt{\frac{Gm}{a}}$