a train is moving with a speed of 72 km/h. what is it speed in m/s
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Speed in km/h = 72km/h
Speed in m/s = 72×1000m/3600s
=72×5m/18s
=20m/s
Speed in m/s = 72×1000m/3600s
=72×5m/18s
=20m/s
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