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Posted by Victoria on Thursday, October 4, 2012 at 9:02pm.

A car decelerates at a constant rate from 98.5 km/h to 67.9 km/h over a distance of 0.651 km. How many seconds is the car decelerating?

km/h → m/s a= (v₀²-v²)/2s t=(v₀-v)/a

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