Question

arrange the speed of the squares in array in descending order light sound Supersonic aircraft​

Answer 1

Answer:

________________________________________

Answer 2

[light] > [supersonic aircraft] > [sound]

Explanation:

Light being an electromagnetic wave has a speed of 300 million meters per second whereas for a supersonic aircraft we have the speed in few multiples of the speed of sound. It is regarded with the term called mach. Mach velocity represents the speed of sound taken as 343 meters per second.

The supersonic aircraft moves ahead of its sound wave-front and is ahead of the location where it produces the sound.

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TOPIC: mach number

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