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May 23, 2015

Homework Help: Physics

Posted by Anonymous on Sunday, December 23, 2012 at 6:30pm.

An attack helicopter is equipped with a 20-
mm cannon that fires 198 g shells in the
forward direction with a muzzle speed of
711 m/s. The fully loaded helicopter has a
mass of 4810 kg. A burst of 75.3 shells is fired
in a 6.27 s interval.
What is the resulting average force on the
helicopter?
Answer in units of N

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