Hearing a Pin Drop The ability to hear a pin drop is the
Chapter 14, Problem 97(choose chapter or problem)
Hearing a Pin Drop The ability to hear a pin drop is the sign of sensitive hearing. Suppose a 0.55-g pin is dropped from a height of 28 cm, and that the pin emits sound for 1.5 s when it lands. Assuming all of the mechanical energy of the pin is converted to sound energy, and that the sound radiates uniformly in all directions, nd the maximum distance from which a person can hear the pin drop. (This is the ideal maximum distance, but atmospheric absorption and other factors will make the actual maximum distance considerably smaller.)
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