Q. A flight attendant pulls a 50N flight bag a distance of 250 m along a level airport floor at a constant speed. A 30 N force is exerted on the bag at an angle of 50 degrees above the horizontal. How much work is done on the flight bag?
Q. An airplane flying horizontally 3600 ft above the ground at 120mi/hh, drops relief aid on the ground. Resolve the angle between the vertical and the line joining plane and target at the instant when he package is released.