Car A has a mass of and moves with a speed of

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Car A has a mass of 600 kg600\,\text{kg} and moves with a speed of 12 m/s12\,\text{m/s}. Car B has a mass of 800 kg800\,\text{kg}. (i) Determine the speed with which Car B must travel so that the two cars have equal momentum. (ii) Between Car A and Car B, which car will still have greater inertia? Justify your answer briefly.

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