Question

convert the speed 200 metre in 40 second into km /h​

Answer 1

Answer:

25/18

Explanation:

For converting metre into kilometers , you have to divide by 1000 = 200/1000=0.2km in second

Therefore you will cover 0.2 *40km in 40 seconds

Foe converting seconds into hour , one has to divide by (60*60)

Hence the answer will be 0.2*40/60*60=0.5556=1/18

Or you can multiply by 5/18 for converting m/s into km/hr