Two particles A and B of masses 5 kg and 3 kg respectively move directly towards each other on a smooth horizontal surface. Initially, A is moving to the right with speed 6 m/s and B is moving to the left with speed 2 m/s. After the collision, A moves to the right with speed 3 m/s. Find the velocity of particle B after the collision, stating its direction.
- (a)[4]
Calculate the velocity of particle B after the collision. Give your answer as a signed number (positive for to the right, negative for to the left) with the correct unit.
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