Q1. What is an acceleration of two falling sky divers (mass 120.0 kg including parachute) while the upward force of air resistance is equal to one-fourth of their weight?
Q2. Suppose that the airspeed of the plane is now 224 km/h and after 0.510 hours the pilot finds them self over a town that is 109 km west and 17 km south of their starting point. What is magnitude of the wind velocity in km/h?