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What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.
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Physics, 22.06.2019 22:00
The pilot of a helicopter hovers at an altitude of 1200 feet over a park. the angle of depression to the base of a statue is 17 degrees. the angle of depression to the nearest park exit, in line with the statue, is 14 degrees. to the nearest foot, what is the distance from the statue to the exit?
Answers: 1
What does the solar system consist of?...
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