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A 50kg box sledge is travelling horizontally on ice at a speed of 9 ms1. A 100 kg packet is dropped on it vertically. The subsequent velocity of the sledge is

a
1 ms–1
b
2 ms–1
c
4 ms–1
d
3 ms–1

detailed solution

Correct option is D

V=m1u1m1+m2=50×9150=3 ms−1

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