Question

A train of 360 metre long train is running at a speed of 81 kilometre per hour how much time will it take to cross a pole​

Answer 1

Distance = length of the train

= 360 m

Speed = 81 km/hr

=81×5/18 m/s

=45/2 m/s

Time = Distance / Speed

= 360÷45/2

= 360×2/45

= 8×2

= 16 second.