the distance of D in feet it takes a car traveling at x mph to come to a full stop after hitting the brakes is given by d= 1.26x^2+ .075x. Est. the stopping distance for a car traveling at 40 mph

Answer 1

Substitute 40 for x and solve.

Answer 2

Please help! Car traveling at 35 MPH traveling 900'...how long to stop?

Car traveling at 90 MPH traveling 900'...what is the difference on impact????