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April 2, 2015

April 2, 2015

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

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?

- physics -
**Elena**, Friday, June 8, 2012 at 5:36amvₒ=a1•t1 = 6.3•2.3 =14.49 m/s

v=vₒ-a2•t2 = 14.49 – 1.9-2.6 = 9.55 m/s

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