Crossing a pole

A train 200 m long is moving at a speed of 72 km/h. How long will it take to pass a stationary pole?

Final Answer:

t =  10 s

Step-by-step explanation:

s=200 m v=72 km/h m/s=72:3.6  m/s=20 m/s  s = v t  t=s/v=200/20=10 s



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