Posted by **j** on Thursday, June 7, 2012 at 9:44pm.

A car starts from rest and travels for 6.3 s with

a uniform acceleration of 2.3 m/s2. The driver

then applies the brakes, causing a uniform

acceleration of −1.9 m/s2.

If the brakes are applied for 2.6 s, how fast

is the car going at the end of the braking

period?

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