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

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

Change a speed of 12 m/sec into km/hr.

Change a speed of 12 m/sec into km/hr.

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 vehicle changes its speed from 36km/h to 59km/h in 10s.The angular acceleration of the wheel if the radius is 10cm is __________ (in rad/ s^(2) )

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.