How & why does a whip make a cracking sound ?

The carriage drivers whipcrack (We will get to this term soon) the whip . So we thought that the whip must be hitting the animal or perhaps must be hitting itself & that might be the reason why we are able to hear the loud sound ! But aa-aa, that’s…

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what happens when an aircraft travels more than the speed of sound ?

Does everything remain normal ? I guess NO. Fighter jets are specially designed for that – powerful weapons, missiles & high speed. So here we will talk about what happens when an aircraft travels more than the speed of sound or breaks the sound barrier ! Mach number :- In…

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