Question

The speed of a train is 40km /hrs. If crosses a pole in 18 second . length of train will be ....​

Answer 1

Answer:

length = 20 meters

Step-by-step explanation:

length  = speed * time

speed = 40 km/hr (convert into m/s) =40* (5/18) = 200/18 = 10/9

time = 18 sec

length  = 10/9 * 18

=20 meters