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October 25, 2014

Homework Help: physics

Posted by helen on Tuesday, September 4, 2012 at 8:45pm.

A car starts from rest and travels for 5.2 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. The breaks are applied for 2.00 s.
(a) How fast is the car going at the end of the braking period?

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