A runner runs a distance 270 m in 30 sec. Find the speed in km/hr?

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Solution

Speed in m/sec $= \frac{270}{30} = 9 m / s e c$

Speed in km/hr $= \frac{9}{1000} \times 3600$ $= 32.4$ $k m / h r$

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A runner runs a distance 270 m in 30 sec. Find the speed in km/hr?

Speed in m/sec =27030=9m/secSpeed in km/hr =91000×3600 =32.4 km/hr

Speed in m/sec $= \frac{270}{30} = 9 m / s e c$

Speed in km/hr $= \frac{9}{1000} \times 3600$ $= 32.4$ $k m / h r$