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Answer:
105 g.m/s
Explanation:
The law of conservation of momemtum states that initial momemtum is equal to final momentum.
initial momentum of orange ball = 165 g.m/s
initial momentum of green ball = 0 g.m/s
final momentum of orange ball = 60 g.m/s
final momentum of green ball = x
165+0=60+x
⇒x = 165-60= 105 g.m/s
the momentum of the green ball right after the collision =105 g.m/s