9 Airplane Takeoff
When an airplane takes off, its speed increases from 300 km/h to 600 km/h, and its
altitude with respect to the ground becomes 600 m.
9.1. What is the nature of the motion of the airplane? Justily.
9.2. Does the kinetic energy of the airplane increase or decrease?
9.3. How do its gravitational potential energy and
mechanical energy vary?
9.4. Where does the mechanical energy gained by
the airplane come from?
Plz help