February 27, 2017

Homework Help: science 10

Posted by eric on Monday, August 8, 2011 at 2:36am.

A student driver is travelling at 22.2 m/s and sees a school zone ahead. Using her brakes, she accelerates at -2.8 m/s2 to reduce her velocity to 8.2 m/s. How much time did it take to change her velocity?

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