" Shange the speed of "6m/s" into "km/h" ."

Change the speed of 6 m/s into km/h.

Express the speed of 18 m/s in km/h.

Convert a speed of 15 m//s into km//h .

Convert a speed of 36 km//h into m//s .

A man travels 200 km distance with the speed of 40 m/s and next 50 km with the speed of 10 m/s . Find the average speed of man.

A man travels 200 km distance with the speed of 40 m/s and next 50 km with the speed of 10 m/s . Find the average speed of man.

A man travels 200 km distance with the speed of 40 m/s and next 50 km with the speed of 10 m/s . Find the average speed of man.

A train travels 45 m in 3 s. What is the speed of the train in km/h?