Posted by **Adam** on Wednesday, September 2, 2009 at 10:12pm.

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?

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4

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

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