a 150m train is moving with velocity 12.5m/s.Find
the equation for the motion of the train,
time taken to cross a pole,
time taken to cross a bridge of length 850m is,
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45kmph=12.5m/s
total length discovered by train=850m+150m=1000m
velocity=Dispacement/time
t=s/v
t=1000m / (12.5m/s)
t=80s
time taken to cross the bridge is 80s
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