An attack helicopter is equipped with a 20- mm cannon that fires 70.2 g shells in the forward direction with a muzzle speed of 1120 m/s. The fully...

An attack helicopter is equipped with a 20-mm cannon that fires 70.2 g shells in theforward direction with a muzzle speed of1120 m/s. The fully loaded helicopter has amass of 3930 kg. A burst of 166 shells is firedin a 1.87 s interval.What is the resulting average force on thehelicopter in N?By what amount is its forward speed reduced?Answer in units of m/s