Question

in the calculations shown, what will the units of the final answer be? 18 meters/second x 3600 secons/1 hour x 1 mile/ 1609meters A.meters/hour B. miles/second C. meters/second D.miles/hour

Answer 1

Answer:

  D.  miles/hour

Step-by-step explanation:

The units analysis tells you the units are ...

  $\dfrac{\text{m}}{\text{s}}\times\dfrac{\text{s}}{\text{h}}\times\dfrac{\text{mi}}{\text{m}}=\boxed{\dfrac{mi}{h}}$

Units of meters and seconds cancel, leaving miles/hour.