Physics, 25.03.2021 16:50, thatcommondumbgirl
Two speakers that are 15.0 mproduce in-phase sound waves of frequency 250.Hz in a roomwhere the speed of sound is 340. m/s. A woman starts out at the midpoint between the two speakers. a.What does she hear at the midpoint, constructive or destructive interference?b. She now walks slowly towards one of the speakers. How far from the center must she walk before she first hears the sound reach a minimum intensity?c. How far from the center must she walk before she first hears the sound at a maximum intensity?d. How far from the center must she walk before the second time she hears the sound at the minimum intensity?
Answers: 2
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Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.
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Two speakers that are 15.0 mproduce in-phase sound waves of frequency 250.Hz in a roomwhere the spee...
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