Question

A goods train of lenght 575m. crosses a bridge in 45seconds with a speed of 90km/hr. find the lenght of the bridge​

Answer 1

Answer:

length of train =575m

time=45 sec

speed =90km/hr

distance =speed*time

              =90*45

              =4050m

               =4.05 km

thus length of bridge is 4.05 km