I'm working on a project relating to rubberband power airplanes. I need to know the physics related to it. For my project I need to. Sketch two free-body diagrams: one for the plane accelerating on the ground and another one for the plane flying. Show all the forces in each case and write simple equations to show the relations between these forces. Include equations which show the relation between these forces and the acceleration, velocity, and distance your airplane travels on the ground before becoming airborne. Show also equations for the endurance and the range. - takeoff distance - takeoff speed - maximum height attained in flight - gliding angle from the maximum height to the touch-down point - time aloft (endurance) - range (distance traveled) If you can help me, I would appreciate it. Thanks a lot.