SOLUTION: The formula D=0.054x^2+0.058x describes the distance in feet that it takes to stop a vehicle traveling x miles per hour on dry pavement.
How fast can you drive if you wish to be
Algebra.Com
Question 739436: The formula D=0.054x^2+0.058x describes the distance in feet that it takes to stop a vehicle traveling x miles per hour on dry pavement.
How fast can you drive if you wish to be able to stop your car within 65 feet?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The formula D=0.054x^2+0.058x describes the distance in feet that it takes to stop a vehicle traveling x miles per hour on dry pavement.
How fast can you drive if you wish to be able to stop your car within 65 feet?
:
.054x^2 + .058x = 65
A quadratic equation
.054x^2 + .058x - 65 = 0
Use the quadratic formula
In this equation, a=.054, b=.058, c=-65
:
:
the positive solution is all we want here
x =
x = 34.167 mph for a stopping distance of 65 ft
RELATED QUESTIONS
The formule D=0.054x^2+0.058x describes the distance in feet D that it takes to stop a... (answered by stanbon)
The formula D=0.054x^2+0.058x describes the distance in feet D that it takes to stop a... (answered by solver91311)
Formula D=0.054^2+0.058x describes the distance in feet D that it takes a vehicle... (answered by lmeeks54)
How many feet would it take a vehicle to stop if the vehicle was traveling 40 miles per... (answered by Fombitz)
If a vehicle is traveling 40 miles per hour, how many feet would it take for the vehicle... (answered by Fombitz,JBarnum)
PHYSICS—ENGINEERING For a car traveling at a speed of v miles per hour, under the best... (answered by TimothyLamb)
The number of feet it takes for a car traveling at x miles per hour to stop on dry, level (answered by ikleyn)
A model for the braking distance, d feet, required to stop a certain car when it is... (answered by ankor@dixie-net.com)
The formula d = 0.05s^2 + 1.1s estimates the minimum stopping distance d in feet for a... (answered by checkley71)