February 27, 2017

Homework Help: physics

Posted by moon on Sunday, February 19, 2012 at 11:59am.

A car accelerates at a constant rate from zero to 20.5 m/s in 10 seconds and then slows to 15.9 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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