Asked by Rock

Help w/Word Prob: LAW ENFORCEMENT A police accident investigator can use the formula s=2√5l to estimate the speed=s of a car in miles per hour based on the length=l in feet of the skid marks it left. How fast was a car traveling that left skid marks 120 feet long?
Answered by MathMate
s(L)=2√(5L)
Substitute L=120 in above equation to get:
s(120)=2√(5(120))
=2√(600)
=2*24.5
=49 mph
Answered by Rock
I can See It!!! I was multiplying 600 & 2 together... Thanks :)
Answered by MathMate
You're welcome!
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