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NEET 2009 (AIPMT) · Relative Velocity

Relative Velocity question from NEET 2009 (AIPMT)

Q12NEET 2009 · AIPMTEasy

Relative Velocity

A bus is moving with a speed of 10 ms−1{}^{-1} on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist, with what speed should the scooterist chase the bus?

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Answer: (d)

  1. Relative speed needed =1000100=10 m/s= \frac{1000}{100} = 10\text{ m/s}
  2. v−10=10⇒v=20 m/sv - 10 = 10 \Rightarrow v = 20\text{ m/s}
  3. So the answer is (d) 20 m/s.
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