Question

a train 400 meters long crosses a pole in 32 seconds find the speed in km/h​

Answer 1

ANSWER

45 km/h

SOLUTION

Speed = Distance / Time

Speed = 400 / 32

Speed = 12.5 m/s

Conversion -> m/s to km/h

-> multiply by 18/5

-> 12.5 * 18/5

-> 45 km/h

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