An express train 240 metres long is running with a speed of 108 km/h. In what time will it pass an electric pole?
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Step-by-step explanation:
solution _convert m to km
so, 240m=240/1000=0.24km
time=distance/speed
time=0.24/108=1/450hr
convert into second
so, 1/450hr=1/450*60min
1/450hr=2/15min
2/15min=2/15*60sec
2/15min=8sec
In 8sec it will pass an electric pole
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