Question

A train crosses a post in 10 sec when travelling at 72km/h. find the length of the train. pls answer

Answer 1

speed = 72 km/h (given) km/h Change in m/s.

speed=72×5/18 m/s

Distance= Speed×Time

Length= 72×5/18×10

=20×10

=200m

so,the length of the train 200m.