A) A will be retarded but B will be accelerated
B) A will be accelerated but B will be retarded
C) there will be no change in velocity of A but B will be accelerated
D) there will be no change in velocity of B, but A will be accelerated
Correct Answer: A
Solution :
[a] Initially, the momentum of packet in train A is more than in train B. When packets are changed the packet reaching train A being of lower momentum will retard the train A but packet reaching train B, being of higher momentum will accelerate B.You need to login to perform this action.
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