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April 21, 2014

Homework Help: physics

Posted by kayla on Thursday, September 15, 2011 at 8:02pm.

An airport has runways only 142 m long. Asmall plane must reach a ground speed of 45 m/s before it can become airborne. What average acceleration must the plane’s engines provide if it is to take off safely from its airport?Answer in units of m/s2.

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