Physics, 24.08.2019 18:30 itsyagirlgona21
If you were trying to build a soundproof room, which of the following materials would you choose in order to absorb the most sound, based on the coefficient of absorption for each material?
a. wood
b. concrete
c. heavy curtains
d. carpe
Answers: 2
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Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor
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Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
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Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
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If you were trying to build a soundproof room, which of the following materials would you choose in...
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