Mr. and mrs. tew attended this summer band concert to hear their son play his violin. they sat in the back row. they noticed that during the concert, the music seemed to changed in volume; sometimes it was very loud and other times they could barely hear it. they finally got up and moved to the fourth row, directly in front of the band. the problem seemed to lessen. what might have caused this change in volume during the band concert? a) constructive and destructive interference of sound waves. b) sound waves reflecting off of the ceiling, walls, and other hard surfaces. c) sound waves being absorbed by the walls and curtains in the concert hall. d) inconsistencies in the music play resulting in spotty sound wave production.
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Physics, 21.06.2019 21:30
Ascientist is tracking an object orbiting the sun that is found between mars and jupiter. in order to classify the object as an asteroid, it must be at least
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Physics, 22.06.2019 03:00
Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.
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Physics, 22.06.2019 13:40
What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th
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Mr. and mrs. tew attended this summer band concert to hear their son play his violin. they sat in th...
Mathematics, 22.06.2019 00:30
History, 22.06.2019 00:30
Mathematics, 22.06.2019 00:30
Mathematics, 22.06.2019 00:30
History, 22.06.2019 00:30