Question

Typical speed of a train is 20 meters per second. what is the speed in kilometers per hour?..​

Answer 1

Answer:

speed in m/s = distance/time

= 20 m/s

speed in km/h = 20/1000×60×60=72 km/hour..

Answer 2

Answer:

Total Distance =(12+8.5+11+8.5+6)=46 km

Total Time =50 min

Average speed =

50

46×60

=55.2km/hr