Question

a train 180m long crosses a standing man in 12 sec. find the speed of the train in km/h​

Answer 1

Answer:

54 km/h

Step-by-step explanation:

length of train = 180m

time = 12 s

speed =distance/time

= 180/12 = 15m/s

to convert it into km/h multiply by 18/5

15*18/5 = 54km/h

hope it helps:)

Answer 2

Answer:

54 km/h

Step-by-step explanation:

speed=distance/time

=180/12=15 m/s

15×18/5

=3×18

=54 km/h