Air is flowing through a rocket nozzle. Inside the rocket the air has a density of 5.25 kg/m cubed and a speed of 1.20 m/s. The interior diameter of the rocket is 15.0 cm. At the nozzle exit, the diameter is 2.50 cm and the density is 1.29 kg/m cubed. What is the speed of the air when it leaves the nozzle?

## This question was asked on Apr 15, 2010.

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