Question

In some sparsely populated areas of the United States, the speed limit on highways can be as high as 80 miles per hour (mph).

What is this speed in meters per second (m/s)?

Conversion Factors:
1 mile = 1609 meters
1 hour = 3600 seconds
A. 2.98 m/s
B. 35.8 m/s
C. 1206.8 m/s
D. 2145.3 m/s

Answer 1

Answer: b

Explanation:

Answer 2

`(B)\:\:35.8\:\text{m/s}`

Explanation:

`80\:\frac{\text{mi}}{\text{hr}}×\left(\frac{1609\:\text{m}}{1\:\text{mi}}\right)×\left(\frac{1\:\text{hr}}{3600\:\text{s}}\right)`

`= 35.8\:\text{m/s}`