(adsbygoogle = window.adsbygoogle || []).push({}); Exponential Question??

1. The problem statement, all variables and given/known data

If a car travelling at a speed of V can break at an emergency stop at a distance X. Assuming all other conditions are similar if the travelling speed of the car doubles, the stopping speed will be 4x. (I worked that out)

A driver travelling at 40 km/h in a school zone can break to emergency stop in 3 meters. What would be the breaking distance of the car were travelling at 60 km/h.

2. The attempt at a solution

I have no idea how to figure this out. From what I've done, I think the number is going to be less the 7.5 but greater than 6. I'm not exactly sure how I got that though.

Any help would be Greatly Appreciated!

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# Homework Help: Exponential Question?

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