Question

1 point

Answer 1

Answer:

19.39mph

Explanation:

To calculate speed, the formula; distance (d)/time(t) is used.

In this question, a distance of 40yards and a time of 4.22seconds is given. We need to convert the distance to miles and time to hours.

If 3600s = 1 hr

Then 4.22s will be 4.22/3600 hours

= 0.001172hours.

If 1760 yd = 1 mile

Then 40 yd will be 40/1760 miles

= 0.02272miles

Hence, the speed in miles per hour (mph) = 0.02272miles ÷ 0.001172hours

= 0.02272 ÷ 0.001172

= 19.38566

= 19.39

Therefore, the speed of the player is 19.39 miles per hour (mph).