Question

express the speed of 60 m per second in km per hour​

Answer 1

Answer:

216

Step-by-step explanation:

Formula  

multiply the speed value by 3.6

Answer 2

Step-by-step explanation:

60×18/5

ans 216

you are thinking were 18/5 is come but don't think it is math rule to convert speed into km per hour

and to convert into km per second so divide by 5/18

hope it helps you