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The Loudness of a Sound (Measured in Decibels DB)

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The loudness The loudness   of a sound (measured in decibels dB)  is inversely proportional to the square of the distance   from the source of the sound. Suppose a person who is 4 ft from a hair dryer experiences a sound level of 60 dB. How loud is the hair dryer for a person 7 ft away? Round to the nearest tenth. A)  0.1 dB B)  19.6 dB C)  1.2 dB D)  70.0 dB E)  960.0 dB of a sound (measured in decibels dB) is inversely proportional to the square of the distance The loudness   of a sound (measured in decibels dB)  is inversely proportional to the square of the distance   from the source of the sound. Suppose a person who is 4 ft from a hair dryer experiences a sound level of 60 dB. How loud is the hair dryer for a person 7 ft away? Round to the nearest tenth. A)  0.1 dB B)  19.6 dB C)  1.2 dB D)  70.0 dB E)  960.0 dB from the source of the sound. Suppose a person who is 4 ft from a hair dryer experiences a sound level of 60 dB. How loud is the hair dryer for a person 7 ft away? Round to the nearest tenth.

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