a 140 meter long train passes a pole in 12 sec. what is the speed of the train
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Answered by
3
Answer:
The speed of the train in km/hr is 42 km/hr
The S.I unit of speed is m/s.
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Answered by
4
Answer:
In 12 sec the train cover the distance 140 m
In 1 sec the train cover the distance 140/12m
in 3600 sec the train cover the distance
140×3600/12 m
=140×300 m
=42 km
so the speed of the train is 42 km / hour
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