What is the intensity of the sound
The human ear can detect a minimum intensity of lo = 10^-12 W/m^2. A student hears a sound with an intensity of l = 16*10^-6 W/m^2. If the student hears a sound a 10 dB, what is the intensity of the sound?
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The string has a mass of m = 99g and length L. When the string is plucked the sound travels at V = 498 m/s. What is the length of the string in m?
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A student hears a sound with an intensity of l = 16*10^-6 W/m^2. If the student hears a sound a 10 dB, what is the intensity of the sound?
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The company would like to maintain ending merchandise inventories equal to 70% of the next month's cost of goods sold. Payment for merchandise is made in the month following the purchase.
A student exchanges the stock headphones (B1 = 89 dB) for her mp3 player for a new set that is louder (B2 = 94.5dB). If the first set produced a power of P = 0.5 W, how much power does the new set produce?
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