A point source emits sound waves with a power output of 130
A point source emits sound waves with a power output of 130 W. At what distance will the decibel reading be 120 dB, which is noise level of a loud indoorrock concert?
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a block of mass m 20 kg is dropped from height h 90 cm onto a spring of spring constant k 1960 nm find the maximum
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a point source emits sound waves with a power output of 130 w at what distance will the decibel reading be 120 db which
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