Question

A bridge is 500 m long. A 100 m long train crosses the bridge at a speed of 30m/s . Find find the time taken to cross it

Answer 1

The Total distance covered to cross the bridge for a train = (100+500) m=600 m
Speed of the train = 30 m/s
Time taken by the train to cross the bridge = Total distance/speed=600/30 = 20 second.

Answer 2

Hi friends

A bridge is 500 m long
And a train is 100 m long
Cross the bridge at a speed of 30 m/s .
500+100 = 600
To find the time taken to cross it.
600/30=20

Só the time taken to cross it is 20 min per second.

Thank you