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

D. miles/hour

Explanation:

The units analysis tells you the units are ...

`\frac{\text{m}}{\text{s}}*\frac{\text{s}}{\text{h}}*\frac{\text{mi}}{\text{m}}=\boxed{(mi)/(h)}`

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