Two speakers that are 12.0 m apart produce in-phase soundwaves of frequency 270

Question

Two speakers that are 12.0 m apart produce in-phase soundwaves of frequency 270 Hz in a room where the speed of soundis 340 m/s. A woman starts out at the midpoint between the twospeakers. The room's walls and ceiling are covered with absorbersto eliminate reflections, and she listens with only one ear forbest precision. What does she hear, constructive or destructive interference?and why? She now walks slowly toward one of the speakers. How far fromthe center must she walk before she first hears the sound reach aminimum intensity? How far from the center must she walk before she first hearsthe sound maximally enhanced? Two speakers that are 12.0 m apart produce in-phase soundwaves of frequency 270 Hz in a room where the speed of soundis 340 m/s. A woman starts out at the midpoint between the twospeakers. The room's walls and ceiling are covered with absorbersto eliminate reflections, and she listens with only one ear forbest precision. What does she hear, constructive or destructive interference?and why? She now walks slowly toward one of the speakers. How far fromthe center must she walk before she first hears the sound reach aminimum intensity? How far from the center must she walk before she first hearsthe sound maximally enhanced?

Explanation / Answer

constructive b/c because path difference equal zero

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