Warning: implode(): Invalid arguments passed in /www/wwwroot/jobquiz.info/mdiscuss.php on line 336 A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long? ?->(Show Answer!)
1. A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?
Ask Your Doubts Here
Comments
By: guest on 01 Jun 2017 05.48 pm
Formula for converting from km/hr to m/s: X km/hr = X x 5 m/s. 18 Therefore, Speed = 45 x 5 m/sec = 25 m/sec. 18 2 Total distance to be covered = (360 + 140) m = 500 m. Formula for finding Time = Distance Speed Required time = 500 x 2 sec = 40 sec. 25