SOLUTION: My teacher gave us this word problem , please help !
"A police accident investigatore can use the formula s=2√5l to estimate the speed s of a car in miles per hour based o
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Question 259038: My teacher gave us this word problem , please help !
"A police accident investigatore 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 the car traveling that left the skid marks 50 feet long?
PLEASE HELP ME =/
Found 2 solutions by drk, Earlsdon:
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
We have the following formula:
where L is given as 50.
--
step 1 - replace L with 50 to get
we can find s as about
s ~ 31.6227 miles / hr.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Substitute L = 50.
Evaluate.
mph.
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