Question

Annabelle is taking the train to meet her boyfriend on Valentines day. The train is a 100 meters long and takes 30 seconds to cross a 400 meter bridge what is the speed if the train

Answer 1

since train is 100 m long and passes a bridge of 400 metres total distance it travels=500 m
time taken=30s
speed=distance/time
=500/30=16.66m/s