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It is given that,
Mass of each ball =0.05 kg
Initial velocity of each ball = 6 m/s
Magnitude of the initial momentum of each ball, pi=0.3kgms^-1
After collision, the balls change their directions of motion
without changing the
magnitudes of their velocity.
Final momentum of each ball, pf= -0,3kgms^-1
Impulse imparted to each ball Change in the momentum of the
system
Im pulse =pf – pi
Im pulse = - 0.3 - 0.3 = -0.6kgms^-1
The negative sign indicates that the impulses imparted to the
balls are opposite in direction.
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