Question

Engineers want to design brakes that will reduce stopping distances by 10%. How would this change the equation relating speed s, friction f, and stopping distance d?

Answer 1

\[s=\sqrt{30fd}\]

Answer 2

the equation itself will not change

Answer 3

lets say we want to go from

1d to .9d

well then you would have to substitute that 1d in the equation to .9 d

solve for d

and then you can compare the change in equation that occurs when you change the stopping distance