Which of the following statements is untrue in regard to sound traveling in air?
a. during a...
Physics, 30.09.2019 20:00, greend0719
Which of the following statements is untrue in regard to sound traveling in air?
a. during a single vibration of the diaphragm, molecules in the air near it will also complete one vibration.
b. the area covered by the wave front increases as the wave advances, but the energy passing through a wave front in a unit of time decreases.
c. sound waves in the air are transverse and consist of compressions and rarefactions of air molecules.
d. as the distance from the earth increases, the sound wave intensity also decreases due to the lessening density.
Answers: 1
Physics, 22.06.2019 11:00, taylorwhitfield6
Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
Answers: 1
Physics, 22.06.2019 19:50, aliami0306oyaj0n
State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory
Answers: 1
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Mathematics, 13.12.2020 22:10
Mathematics, 13.12.2020 22:10
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