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April 24, 2014

Homework Help: physics

Posted by Anonymous on Monday, January 21, 2013 at 2:37am.

A car starts from rest and travels for 7.0 s with a uniform acceleration of +2.3 m/s2. The driver then applies the brakes, causing a uniform negative acceleration of -1.0 m/s2. If the brakes are applied for 2.0 s, how fast is the car going at the end of the braking period, and how far has it gone?

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