Biology, 27.11.2019 21:31 lindsaypre0644
Astudent holds a tuning fork oscillating at 259 hz. he walks toward a wall at a constant speed of 1.31 m/s. (a) what beat frequency does he observe between the tuning fork and its echo? hz (b) how fast must he walk away from the wall to observe a beat frequency of 4.90 hz? m/s
Answers: 1
Biology, 21.06.2019 17:30
Look at the picture below . what does this picture represent ?
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Biology, 22.06.2019 08:30
Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america
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Biology, 22.06.2019 09:20
Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?
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Biology, 22.06.2019 12:30
50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.
Answers: 2
Astudent holds a tuning fork oscillating at 259 hz. he walks toward a wall at a constant speed of 1....
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