February 28, 2017

Homework Help: algebra 2

Posted by Esther on Thursday, March 17, 2011 at 1:09am.

The stopping distance d of a car after the brakes are applied varies directly as the square of the speed r. If a car travelling 70mph can stop in 270ft, how many feet will it take the same car to stop when it is travelling 60mph?

Thank you.

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