11c). A lightweight, blow-up, toy airplane flies in a vertical loop with a radius of 8.25m. The mass of the airplane is only 1753 and has a volume of 0.105m3. At the bottom of the loop, the net force is upward with a value of 0.63m. a) What is the speed of the toy airplane? A b) The upward force on the airplane comes from both the aerodynamic lift and the buoyant force from the air. The buoyant force is NOT negligible for this lightweight airplane. What is the value of the aerodynamic lift? Hint: The net force is made of the plane's weight, the buoyant force, and the aerodynamic lift. You are given the net force. Find the plane's weight and buoyant force, then you can nd the aerodynamic lift force. The density of air is 1.20 kg/m'. Bottom