Question

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

Answer 1

The overall distance =900m

speed of train=36×5/18=10m/s

so time =900/10

=90second

Answer 2

Answer:

Explanation:

Here is the answer 't' = 90 sec.