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NEET 2023 · Distance, Displacement & Average Speed

Distance, Displacement & Average Speed question from NEET 2023

Q9NEET 2023Easy

Distance, Displacement & Average Speed

A vehicle travels half the distance with speed vv and the remaining distance with speed 2v2v. Its average speed is:

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Answer: (b)

  1. For equal distances, vavg=2v1v2v1+v2v_{avg} = \frac{2v_1 v_2}{v_1 + v_2}.
  2. vavg=2(v)(2v)v+2v=4v23vv_{avg} = \frac{2(v)(2v)}{v + 2v} = \frac{4v^2}{3v}
  3. So the answer is (b) 4v3\frac{4v}{3}.
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