Physics, 03.01.2020 01:31 bettinger6525
If a source radiates sound uniformly in all directions and you triple your distance from the sound source, what happens to the sound intensity at your new position?
a. the sound intensity drops to 1 / 27 of its original value. b. the sound intensity increases to three times its original value. c. the sound intensity drops to 1 / 3 of its original value. d. the sound intensity drops to 1 / 9 of its original value. e. the sound intensity does not change.
Answers: 1
Physics, 22.06.2019 04:30
Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?
Answers: 2
Physics, 22.06.2019 05:50
Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference
Answers: 1
Physics, 22.06.2019 12:30
Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.
Answers: 2
If a source radiates sound uniformly in all directions and you triple your distance from the sound s...
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