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The length, s, (in feet) of the skid mark left by an automobile traveling at r miles per hour can be approximated by the relation r = 2Square root of 5s. If a car is going 80 miles per hour when the brakes are applied, about how many feet long would the skid mark be?

 Apr 28, 2014

Best Answer 

 #1
avatar+6251 
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80=25s

40=5s

1600=5s

s=320

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 Apr 28, 2014
 #1
avatar+6251 
+5
Best Answer

80=25s

40=5s

1600=5s

s=320

Rom Apr 28, 2014

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