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

Answer 1

find the velocity in m/s ... 36 km/h ---> ? m/s

crossing starts when the front of the train enters the bridge
... it finishes when the end of the train leaves the bridge

how far does the "whole" train have to move?