Two identical solid balls move in opposite horizontal directions at equal speeds. They collide and stick together, and at the moment of the collision, the angle that the line joining their centers makes with the horizontal is 60 degrees. Find the fraction of system's original kinetic energy that remains after the collision. (Hint: You need to work out the moment of inertia, then proceed by first finding out the initial angular momentum L=Fx p).

Elements Of Electromagnetics
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Parallel Colliding Balls
Two identical solid balls move in opposite horizontal directions at equal speeds.
They collide and stick together, and at the moment of the collision, the angle
that the line joining their centers makes with the horizontal is 60 degrees. Find
the fraction of system's original kinetic energy that remains after the collision.
(Hint: You need to work out the moment of inertia, then proceed by first finding
out the initial angular momentum L = F xp).
Transcribed Image Text:Parallel Colliding Balls Two identical solid balls move in opposite horizontal directions at equal speeds. They collide and stick together, and at the moment of the collision, the angle that the line joining their centers makes with the horizontal is 60 degrees. Find the fraction of system's original kinetic energy that remains after the collision. (Hint: You need to work out the moment of inertia, then proceed by first finding out the initial angular momentum L = F xp).
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