February 23, 2017

Homework Help: physics

Posted by r on Monday, February 20, 2012 at 9:52am.

A car accelerates at a constant rate from zero to 28.7 m/s in 10 seconds and then slows to 17.5 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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