A Certain Crying Baby Emits Sound with an Intensity of 8.0

question 26

Multiple Choice

A certain crying baby emits sound with an intensity of 8.0 × 10^-8 W/m².What is the intensity level due to a set of five such crying babies,all crying with the same intensity? You can neglect any absorption,reflection,or interference of the sound.The lowest detectable intensity is 1.0 × 10^-12 W/m².

• A)79 dB
• B)69 dB
• C)56 dB
• D)49 dB
• E)36 dB

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Definitions:

Market Value

The current price at which an asset or service can be bought or sold in a particular market.

Equity-Financed

Pertains to acquiring funds to finance projects or investments through selling shares of stock, effectively avoiding debt.

Shares

Shares represent units of ownership in a company, giving the shareholder a proportionate claim on the company's assets and profits based on the number of shares they hold.

Synergy Value

The additional value created by combining two companies, expected to result from efficiencies, shared technologies, or market capabilities.