A train whistie generates a sound wave with a wavelength of 1 m, as the train tr

Question

A train whistie generates a sound wave with a wavelength of 1 m, as the train travels toward a small midwest town. Which of the following statements is correct about the wavelengths observed by a seated passenger on the train, and an person sitting and listening in their home? A mass-spring system undergoes simple harmonic motion. If the mass a the end of the spring is doubled, then what will happen to the period of the motion? Which of the following conditions corresponds to destructive interference of two waves that have the same amplitude and wavelength?

Explanation / Answer

1)a,e

2)a

3)b

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