Question

Convert 4 centimeters per second to miles per hour.

0.23 mph

0.58 mph

0.09 mph

5.37 mph

Answer 1

$4~\dfrac{cm}{sec} \times \dfrac{1~km}{100000~cm} \times \dfrac{1~mile}{1.609344~km} \times \dfrac{3600~sec}{1~hour} =$

$= 0.089477... \dfrac{miles}{hour}$

$= 0.09~mph$

Answer 2

0.0895 mile per hour is the answer