9. A train of length 250 m runs at a speed of 70 km/hr.
What will be the time taken to cross any stationary
object standing at the railway station?
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Step-by-step explanation:
Length of Train=250m
Speed=70km/hr
=70×1000/3600
70×5/18m/s
Time=Distance/speed
=250×18/70×5
=4500/350
=12.8571428571seconds
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