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May 24, 2015

Homework Help: algebra 2

Posted by estherw on Wednesday, March 16, 2011 at 4:57pm.

The stopping distance d of a car after the brakes are applied varies directly as the square of hte 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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