The Doppler Effect is the change in frequency or wavelength of a wave for an observer moving relative to its source. It is named after the Austrian physicist Christian Doppler.
False. Acids are actually found in the pH range from 0 to 7 and bases are found from 9 to 14. Meanwhile, 7 and 8 are considered neutral.
Answer:
B) conducting sound waves better than air
Answer:
Explanation:
Check the attachment for solution
Answer: f = 392 hz
v = 343 m/s
wavelength = 343/392 = 0.875 m
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