Question

Express 15 m/s in km/hour​

Answer 1

Answer:

1000m = 1km

15/1000. km

And

3600second = 1hours

so we know that ,

15×18/5

3×18

54Km/h Answer

Answer 2

Answer:

54km/hour

Explanation:

1hour=3600

1s = 15m

3600s= (15*3600)m

= 54000m

now,

We know, 1000m= 1km

so,. 54000m=54000÷1000=54km