Physics, 31.08.2019 15:30 Jakyramason

Yolanda is studying two waves. the first wave has an amplitude of 2 m, and the second has an amplitude of 3 m.
which statement accurately describes something that yolanda can do as a part of her study?
she can use destructive interference to generate a wave with an amplitude of 3.1 m.
she can use constructive interference to generate a wave with an amplitude of 1.5 m.
she can use destructive interference to generate a wave with an amplitude of 2.8 m.
she can use constructive interference to generate a wave with an amplitude of 3.5 m.

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Answer from: dina18

d) She can use constructive interference to generate a wave with an amplitude of 3.5 m.

Answer from: katiebonar13

She can use constructive interference to generate a wave with an amplitude of 3.5 m.

Explanation:

It is given that, Yolanda is studying two waves. The first wave has an amplitude of 2 m, and the second has an amplitude of 3 m.

We know that the intensity of a wave is directly proportional to the square of the amplitude.

The amplitude of the resultant wave in constructive interference increases while in case of destructive interference the amplitude decreases.

So, the correct statement that Yolanda can do as a part of her study is (D).

Answer from: Quest

a and c

c is 100% but i am confused in a

For which optical devices does d sometimes have a positive value

Answer from: Quest

Acetic acid /əˈsiːtɪk/, systematically named ethanoic acid /ˌɛθəˈnoʊɪk/, is a colourless liquid organic compound with the chemical formula ch3cooh (also written as ch3co2h or c2h4o2). when undiluted, it is sometimes called glacial acetic acid. vinegar is no less than 4% acetic acid by volume, making acetic acid the main component of vinegar apart from water. acetic acid has a distinctive sour taste and pungent smell. in addition to household vinegar, it is mainly produced as a precursor to polyvinyl acetate and cellulose acetate. it is classified as a weak acid since it only partially dissociates in solution, but concentrated acetic acid is corrosive and can attack the skin.acetic acidnamespreferred iupac nameacetic acidsystematic iupac nameethanoic acidother namesvinegar (when dilute); hydrogen acetate; methanecarboxylic acid[1][2]identifierscas number64-19-7 3d model (jsmol)interactive image3dmetb00009 reference506007chebichebi: 15366 chemblchembl539 chemspider171 drugbankdb03166 echa infocard100.000.528ec number200-580-7e numbere260 (preservatives)gmelin reference1380iuphar/bps1058keggd00010 meshacetic+acidpubchem cid176rtecs numberaf1225000uniiq40q9n063p un number2789inchiinchi=1s/c2h4o2/c1-2(3)4/h1h3,(h,3,4) key: qtbsbxvteameqo-uhfffaoysa-n smilescc(o)=o

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