Question

A train of length 450m crosses a pole with a speed of 72 km hour how long will it take to cross the pole

Answer 1

The train will take 22.5 seconds to cross the pole.

Answer 2

Step-by-step explanation:

L = 450

s= 72 km/ hr

72*5/18 = 20 m/s

d= s*t

t=d/s 450/20 =22 whole to 1/2