Longitudnal Waves and Speed of Sound
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- Опубликовано: 6 сен 2024
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At 11:21 isn't the p is change in pressure. Why we take the change in p (change in pressure change) ?
At 9:38 why is the force to right equal to the area times the pressure at left?
At 23:54 don't the expression for p is change in pressure? Is impedance change in pressure by particle velocity?
How the pressure p2 at x2 comes into scenario while calculating net force? What provides p2?