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Two cyclists set off together the same way round a 600 m track. The faster one, at 10 m/s, laps the slower one for the first time after 150 s. What is the slower cyclist's speed?

Competition practiceRaces & Circular Tracks
  • A6 m/s
  • B4 m/s
  • C14 m/s
  • D8 m/s

Step-by-Step Solution

Gaining 600 m in 150 s means a relative speed of 4 m/s. Slower speed m/s. (4 m/s is the relative speed.)
Answer: A) 6 m/s

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