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Mathematics 20 Online
OpenStudy (anonymous):

The formula r=2sprt(5L) can be used to approximate the speed r, in miles per hour, of a car that has left skid marls of length L, in feet. How far will a car skid at 60mph?

OpenStudy (anonymous):

60=2sqrt(5L) 30=sqrt(5L) 900=5L 180=L

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