Three identical stars of mass M are located at the vertices of an equilateral triangle with side L. The speed at which they will move if they all revolve under the influence of one another’s gravitational force in a circular orbit circumscribing the triangle while still preserving the equilateral triangle:
A
B
C
D
not possible at all
Text Solution
Verified by ExpertsThe correct answer is:
B
2 F g cos 30 = 
2 
= 
V = 
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