Unit conversion

Unit conversion   (11/22/2015, 5:01 PM)

(1)
Convert 60metre per second to mile per hour?
Note:show full working and correct answer...

(2)
Convert 10mile per hour to metre per second?
Note:show full working and correct answer...

(3)
convert 100feet per second to mile per hour?
Note:show full working and correct answer...

(4)
Convert 50mile per hour to feet per second?
Note:show full working and correct answer...

Thanks...