Question

what change in the air does this squashing cause​

Answer 1

Answer:

The skin moves to one side and squashes or compresses the air next to it. This compressed air "pocket" in turn pushes and compresses the air next to it while the "pocket" itself bounces back towards the position it came from. The compressing effect and stretching effect therefore moves outwards from the sound source.

Explanation:

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Answer 2

Answer:

Explanation:

f a sound wave is moving from left to right through air, then particles of air will be displaced both rightward and leftward as the energy of the sound wave passes through it. The motion of the particles is parallel (and anti-parallel) to the direction of the energy transport.