Wednesday
April 16, 2014

Homework Help: physics

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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