2. An airplane with a Clark Y airfoil cross-section weighs 3500 Ibs. The chord length is 6ft and the wingspan is 36 ft. Determine the: a) Minimum speed and power to take off, if the angle of attack is is12.4°. b) Power to cruise at 150 mph at an altitude of 15,000 ft. c) % increase in power if the plane is cruising 150 mph at 10,000 ft. d) Stall speed at landing

A skier starts from rest and slides downhill. What will be the speed of the skier if he drops 35 centimeters in vertical height? Ignore any air resistance ( which will in reality be quite a lot) and any friction between the skis and the snow

the Qi A light weight Parachute has a diameter of Im and total ust. including Pay load is 1020N. The design terminal settling velocity of the Parachute is 5.5m/see. A 1 in 12 • Scale model of the Parachute is tested in wind tunnel with the same air in which • the Parachute is moving, taking, Mair = 1-802×103 "1) Calculate the Drag coefficient of the Parachute ii) At what speed the wind tunnel be run ii) Aerodynamite drag on the model? okonter.com Pair = 1-225 kg/m³. dynamic similarity.