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How does an airplane waste energy?

Answer 1

An airplane wastes a lot of energy to overcome the force of friction.

Friction is the force that opposes relative motion; similarly, in fluid friction, airplanes and birds lose a lot of energy trying to overcome the force, which is so great that it significantly reduces the speed of an object; as a result, airplanes lose a lot of energy and develop special shapes to lessen the force.

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Answer 2

Jose Arroyo

An airplane wastes energy primarily through aerodynamic drag, which is caused by air resistance as the aircraft moves through the atmosphere. Other factors contributing to energy waste include engine inefficiencies, weight of the aircraft, air turbulence, and non-optimal flight paths.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.