SOLUTION: The formula r=2sqrt(5l) can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length l, in feet. How far will a car skid at 60 mph?
Algebra.Com
Question 467838: The formula r=2sqrt(5l) can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length l, in feet. How far will a car skid at 60 mph?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The formula r=2sqrt(5l) can be used to approximate the speed r, in miles per
hour, of a car that has left skid marks of length l, in feet.
How far will a car skid at 60 mph?
:
Write it:
= 60
divide both sides by 2
= 30
square both sides
5L = 30^2
5L = 900
L =
L = 180 ft skid marks
:
:
Check on a calc: enter 2*
RELATED QUESTIONS
the formula r=2√(5L) can be used to approximate the speed r, in miles per hour,of a (answered by nerdybill)
The formula r = 2sqrt 5L can be used to approximate the speed r, in miles per hour of a... (answered by kelsiesmurf)
The formula r=2sqrt(5l) can be used to approximate the speed r, in miles per hour, of a... (answered by Theo)
I need help again, Thanks
The formula r= 2sqrt 5L can be used to approximate the speed... (answered by amoresroy)
The formula r = 2(sqrt of 5L) can be used to approximate the speed r, in miles per hour, (answered by RAY100)
The formula r=2sqrt5L can be used to approximate the speed r, in miles per hour, of a car (answered by Fombitz,mananth)
The formula r=2√5L can be used to approximate the speed r, in miles per hour, of a... (answered by ewatrrr)
The formula r = 2·sqrt{5L} can be used to approximate the speed r, in miles per hour, of (answered by Solver92311)
The formula r=2√5L can be used to approximate the speed r, in miles per hour, of a... (answered by ankor@dixie-net.com)