Homework Help: Physics

Posted by Caine on Tuesday, October 2, 2012 at 7:11pm.

A car starts from rest and travels for 6.2 s
with a uniform acceleration of +2.4 m/s2.
The driver then applies the brakes, causing a
uniform deceleration of 1.2 m/s2.
If the brakes are applied for 2.5 s, how fast
is the car going at the end of the braking
period?

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