Question

a train 100m long is to cross a river bridge of length 800m .what time will it take to cross the bridge ? given that the train moves with a constant velocity of 36 km/h

Answer 1

1min 70sec

Answer 2

Train is 100m long
Length of bridge is 800m
Velocity of train Is 36 km/s
Convert km/h to m/s
36km/h = 10 m/s
So, T= (800+100)/10
= 900/10
=90s