A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
A.120 metresB.180 metresC.324 metresD.150 metres
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v=60kmph=60×5/18mps=50/3mps
t=9s
s=v×t=50/3×9m=150m
t=9s
s=v×t=50/3×9m=150m
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