The sound from an explosion is heard at a distance of 50 m


The sound from an explosion is heard at a distance of 50 m with an intensity of 0.1 W/m2.

(a) What would be its intensity at a distance of 1000 m?

(b) What intensity level is the sound at 1000 m?

(c) What is the total acoustical power output of the explosion?

(d) If the sound pulse lasts 0.2 s, how much acoustical energy was generated by the explosion?

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Physics: The sound from an explosion is heard at a distance of 50 m
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