Car P travels east along a straight road at a constant speed of

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Car P travels east along a straight road at a constant speed of 30 m s−130\,\text{m\,s}^{-1}. Car Q is 200 m200\,\text{m} ahead of car P on the same road and travels east at 22 m s−122\,\text{m\,s}^{-1}. How much time after the instant described will car P overtake car Q? (a) 28 s28\,\text{s} (b) 9.1 s9.1\,\text{s} (c) 25 s25\,\text{s} (d) 16.7 s16.7\,\text{s}

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