Physics, 17.09.2019 11:30 zyreahunt9282
Asurface receiving sound is moved from its original position to a position three times farther away from
the source of the sound. the intensity of the received sound thus becomes
a. nine times as high.
b. three times as low.
c. nine times as low.
d. three times as high.
Answers: 2
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Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?
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We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation
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You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.
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Asurface receiving sound is moved from its original position to a position three times farther away...
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