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Two trolley , A and B are travelling towards each other. Trolley A has a mass number of 1kg and velocity of 4m/s and Trolley B has a mass number of 1.5kg and has velocity of 5m/s. Both the trolley has collision and after trolley A started to move in the direction of trolley B with velocity of 0.75. Find the... show more Two trolley , A and B are travelling towards each other. Trolley A has a mass number of 1kg and velocity of 4m/s and Trolley B has a mass number of 1.5kg and has velocity of 5m/s. Both the trolley has collision and after trolley A started to move in the direction of trolley B with velocity of 0.75. Find the velocity Trolley B.
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