An attack helicopter is equipped with a 20-
mm cannon that fires 198 g shells in the
forward direction with a muzzle speed of
1110 m/s. The fully loaded helicopter has
a mass of 3090 kg. A burst of 103 shells is
fired in a 3.63 s interval.
What is the resulting average force on the
helicopter?
Answer in units of N. Answer in units of
N.