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Physics

A boy travels a distance 150 m in 1 minute. His speed is:

  1. 150 m s-1
  2. 2.5 m s-1
  3. 25 m s-1
  4. 9 m s-1

Measurements

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Answer

2.5 m s-1

Reason — time = 1 min = 60 sec, distance = 150 m Speed=distancetimeSpeed=15060\text{Speed} = \dfrac{\text{distance}}{\text{time}} \\[1em] \text{Speed} = \dfrac{\text{150}}{\text{60}} Speed = 2.5 m s-1

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