Question

A cyclist travels 56 miles in 4 hours. What is the cyclist speed in feet per second

Answer 1

21.09 ft/s

Explanation:

The first step is to create the ratio of speed/time.

`(56 miles)/(4 hours)`

Next we must simplify

`(14 miles)/(1 hour)`

Next we must convert 14 miles in to feet. There are 5280 feet in a mile.

14 * 5280ft = 75,920 feet

Now for hours into seconds.

1 hour = 60 min, 60 min = 3600 seconds

Our new ratio is \frac{75920ft}{3600sec}

simplify.

75920ft / 3600sec = 21.09ft/s