Work problem 37

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?


material editor: Habeeb Adenle