One Source of Sound Is at a and Another

question 77

Multiple Choice

One source of sound is at A and another is at B. The two sources are in phase. The distance AB = 10.0 m. The frequency of the sound waves from both sources is 1000 Hz, and both have the same amplitude. The speed of sound in air is 330 m/s. A receiver is at point C, and AB is perpendicular to AC. The greatest distance AC for which the signal at C is a minimum is

• A) 33.0 cm
• B) 152 m
• C) 330 m
• D) 303 m
• E) 100 m

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Investment

An investment is an asset or item acquired with the goal of generating income or appreciation in value over time.

Fair Value Method

An accounting strategy that assesses and assigns a market-based valuation to assets and liabilities, reflecting their current exchange price.

Accounting

The organized method of documenting, examining, condensing, and presenting the economic activities of a company or person.

Investment

An asset or item acquired with the goal of generating income or appreciation in the future.