a train 100m long is to cross a river of Bridge length 800m what time will it take to cross the bridge? The train move with a constant velocity of 36 km per hour
Share
a train 100m long is to cross a river of Bridge length 800m what time will it take to cross the bridge? The train move with a constant velocity of 36 km per hour
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Total distance required for the train to cross the bridge is,
d = (100 + 800) m = 900 m
The speed of the train is,
v = 36 km/h = 36 × 5 / 18 = 10 m/s
Hence the time taken to cross the bridge is,
t = 900 / 10 = 90 s.