Question

a 180 metres long train takes 9 seconds to pass a vertical pole. what is the average speed of the train in kilometre per hour ​

Answer 1

Answer:

20m/s

Step-by-step explanation:

d=180m

t=9s

s=?

We know that,

s=d÷t

=180÷9

=20m/s

Hence speed=20m/s