Question

A train 280 m long is running at a speed of 42km hour how much time will it to pass a man standing on a platform

Answer 1

Time=Displacement/Velocity
Convert kmph to mps
we get,42×5/18=35/3=11.6 mps
therefore time=280/11.6= 24 seconds

Answer 2

Covert 42 km/hr into m/s. Then divided into 280 m

280m / 11.666m/s = 24s