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April 20, 2014

April 20, 2014

Posted by **beverly** on Friday, March 15, 2013 at 11:35am.

- math -
**Steve**, Friday, March 15, 2013 at 11:59amthe speed decreased, so

a = -60km/hr / 8s = -15/2 km/hr/s

That is, every second the speed decreased by 15/2 km/hr

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