A train 420 meters long crosses an electric pole in 28 seconds.Find the speed of the train in km/hr.
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Answered by
0
Answer:
56 mins in the correct answer
Answered by
1
Answer:
72km/hr
Step-by-step explanation:
Speed=Distance÷Time =420/28 =15m/sec
Now we have to convert the speed into km/hr from m/sec.
To convert m/sec into km/hr we have to multiply by 18/5
15×18/5
=72 km/h
Hope it helps ;)
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