Question

150 M long train is moving with a uniform velocity of 45 km per hour.the time taken by the train to cross a bridge of length 850meters is

Answer 1

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