Physics, 26.06.2020 23:01 amandajennings01

22 Select the correct answer.
Which type of wall would make the best soundproofing for room?
A
B.
1.0 centimeter thick glass
two layers of 0.5 centimeter thick glass with 0.5 centimeters of air between them
two layers of 0.5 centimeter thick glass with 0.3 centimeters of vacuum between them
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1.0 centimeter thick steel
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