Читать книгу Flight Theory and Aerodynamics - Joseph R. Badick - Страница 35

An aircraft that weighs 15 000 lb is flying at 10 000 ft altitude at an airspeed of 210 kts. Calculate the potential energy, kinetic energy, and the total energy.

 PE: PE = Wh → PE = 15000 lb × 10000 ft → PE = 1.5 × 108

 KE:

 Total Energy: TE = PE + KE → TE = 1.79 × 108