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December 18, 2014

Homework Help: Science- Physics Problem

Posted by Leslie on Wednesday, September 2, 2009 at 11:39pm.

I dont know if im doing these problems right, please help...

A car accelerates at a constant rate from zero to 32.6 m/s in 10 seconds and then slows to 14.8 m/s in 5 seconds. What is its average acceleration to the nearest tenth of a m/s2 during the 15 seconds

--would you do 32.6 + 14.8, and then divide by 15?

What was the acceleration during the first 10 seconds in the previous problem

--would you do 32.6 divided be 10?

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