Question

a train 90m long crosses a platform 180m in length in 30 second find the speed of the train in km/hr​

Answer 1

Answer:

speed = distance /time

to convert m/ sec put the formula whatever answer came multiply it with 18/5

Mark my answer as brainliest

Answer 2

Step-by-step explanation:

distance of train = 90m

distance of platform = 180m

Total distance covered by the train = 90m + 180m

=270m

time taken = 30 sec

speed of train = distance travel / time taken

=270m / 30 sec

=9m/sec