If sound is increased in

  1. Why does a siren have a higher pitch as it approaches you?Responses The period of the sound wave is increased. The period of the
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  2. However, had it been a real sound, the sound's pitch would have been increased by the Doppler Effect, since the Falcon was
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  3. A singer moves a note up one octave. How has the sound changed?The amplitude has decreased The wavelength has increased The
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    2. Me and I asked by Me and I
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  4. No doubt I now grew very pale;—but I talked more fluently, and with a heightened voice. Yet the sound increased—and what
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  5. A 60 year old person has a threshold of hearing of 81.0 dB for a sound with frequency f=10,000 Hz. By what factor must the
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    2. Emily asked by Emily
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  6. A guitarist tightens a string on the instrument. What happens to the speed of sound in the string?(1 point) Responses The speed
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  7. This question has me very lost.Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the
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    2. Phil asked by Phil
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  8. Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 35.9cm apart. The
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  9. Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 14.0 cm apart. The
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    2. Anonymous asked by Anonymous
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  10. Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 14.0 cm apart. The
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    2. Anonymous asked by Anonymous
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