A
train takes 6 hours to complete a journey at a speed of 72 km/h. How long will
ain take to complete the same journey if its speed is 15 m/s?
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Answer:
Speed of train A= 72kmph
Time taken by trainA= 6hrs
Distance=speed×time
= 72×6
=432km
Change 15mps into kmph
=15×18/5
=54kmph(speed of train B)
Time = distance /speed
Time by train B=432/54
=8 hours
Step-by-step explanation:
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