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  • 20-09-2019
  • Mathematics
contestada

9. In 2001, Alan Webb broke Jim Ryun's 36-vear-old high school mile record by running I mile
in 3 minutes 53.43 seconds. How fast was this in feet per second?

Respuesta :

calculista
calculista calculista
  • 03-10-2019

Answer:

[tex]22.62\frac{ft}{sec}[/tex]

Step-by-step explanation:

we know that

[tex]1\ mi=5,280\ ft[/tex]

To convert miles to feet multiply by 5,280

[tex]1\ min=60\ sec[/tex]

To convert minutes to seconds multiply by 60

we have

[tex]3\ min\ 53.43\ sec=3(60)+53.43=233.43\ sec[/tex]

To find out the speed in feet per second, divide the distance in feet by the time in seconds

so

[tex]\frac{5,280}{233.43}=22.62\frac{ft}{sec}[/tex]

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