Question

a) State the law of conservation of linear momentum b) A car of mass 5500kg is travelling at 6ms-1 and crashes into a smaller car with a mass of 3000kg

which is travelling at 2 ms-1 in the same directions the big car. The velocity of the big car after the collision is 2.6 ms-1.What is the velocity of the small car after the collision and is the crash elastic or inelastic?

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