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1. A speed of 14 meters per second is the same as-

  • A. 50 km/hr
  • B. 50 km/hr
  • C. 50 km/hr
  • D. 50 km/hr

Answer: Option A

Explanation:

14m/sec = 14×(18/5)km/hour

                  = 50.4 km/hour

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