Question

2) The shape of an aeroplane Is not kept the same as the shape of the bus. Why?​

Answer 1

Answer:

Aircraft spotting or plane spotting is a hobby of tracking the movement of aircraft, which is often accomplished by photography. Besides monitoring aircraft, aircraft spotting enthusiasts (who are usually called plane spotters) also record information regarding airports, air traffic control communications and airline routes.

Answer 2

Answer:

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Flywheel energy storage (FES) works by accelerating a rotor (flywheel) to a very high speed and maintaining the energy in the system as rotational energy. When energy is extracted from the system, the flywheel's rotational speed is reduced as a consequence of the principle of conservation of energy; adding energy to the system correspondingly results in an increase in the speed of the flywheel.