SOLUTION: How long will it take a cheetah to run 100 yards at top speed which is 70 miles per hour.

Question 213670This question is from textbook The university of chicago school mathematics project
: How long will it take a cheetah to run 100 yards at top speed which is 70 miles per hour. This question is from textbook The university of chicago school mathematics project

Found 3 solutions by Earlsdon, josmiceli, edjones:
Answer by Earlsdon(6294)   (Show Source): You can put this solution on YOUR website!
Using
substitute d = 100 yds, r = (1760yds/mi)70mi/hr = 123200yds/hr.

hrs.
hrs. Multiply by 60 to get minutes.
minutes. For seconds, multiply by 60.
seconds.
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

ft
mi/hr = ft/hr

hr
sec
sec

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
1mi=1760yds
70*1760=123200yds
st=d
t=d/s
=100yds/123200yds/h
=1/1232 h
=(1/1232) / (1/60^2) Use 60^2 to convert from hrs to secs.
=(1/1232)*60^2
=2.922sec
.
Ed
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