Posted by **miranda** on Tuesday, October 23, 2012 at 9:26pm.

An engineer must design a runway to accommodate airplanes that must reach a ground velocity of 60 m/s before they can take off. These planes are capable of being accelerated uniformly at the rate of 2.1 m/s2.

(a) How long will it take the planes to reach takeoff speed?

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(b) What must be the minimum length of the runway?

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