The Canadair CL415 is a rescue and fire-fighting aircraft of the Civil Protection; it is able to collect water from the sea or lakes to discharge it on the fire front. During the filling phase it flies on the surface of the water at 130 km / h and in 12 seconds it charges 6100 L of water. Calculate the impulse and the additional mean force
which must supply its engines during a
filling.

show explanation ​