An airplane weighs 600 kg. The engine of the airplane works with a power of 70 kW and performs 8.4 MJ of work for 6 km of uniform horizontal flight.
How long does the plane fly 6 km on such a flight?
What is the thrust force of the engine on the plane?
Calculate the speed of the plane.
What is the kinetic energy of the plane?
What is the force of the air resistance against the airplane during the flight?