Aball A of mass 2 m moving due east with a speed 8u collides head on with a ball B of man
velocity of B after collision is 5 u due east. If the coefficient of restiution
is 1, the fractie
the initial kinetic
energy lost is
80
41
6,112
(a) 153
(b) 137
(c) 753
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Answer:
the answer is 153 1
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