CAIE A Level Mathematics 9709 · Momentum

Momentum: calculation question

4 marksStandard

Two objects A and B of masses 5 kg and 3 kg respectively move directly towards each other on a smooth horizontal surface. Object A has initial velocity 4 m/s to the right and object B has initial velocity 3 m/s to the left. After the collision, object B is observed to move with velocity 2 m/s to the right.

  1. (a)

    Calculate the velocity of object A after the collision. Give your answer in m/s.

    [4]

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