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September 1, 2014

Homework Help: physics

Posted by sam on Friday, September 14, 2012 at 11:09pm.

An airport has runways only 136m long. A small plane must reach a ground speed of 39m/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/s^2.

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