Weegy: Trough Steel the velocity of sound wave is the greatest.
User: 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. Heavy curtains
B. Concrete
C. Carpet
D. Wood
Weegy: If you were trying to build a soundproof room, you would choose CONCRETE in order to absorb the most sound.
User: If a fast-moving car making a loud noise approaches and moves past the person, what will happen as the distance between the two increases?
A. The pitch of the sound being heard by the person will appear to be lower than the pitch of the source.
B. The pitch of the sound being heard by the person will appear to be higher than the pitch of the source.
C. The frequency of the sound waves reaching the person's ear will be greater than the frequency of the waves leaving the car.
D. The pitch and frequency of the sound waves reaching the person's ear will remain unchanged.
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If a fast-moving car making a loud noise approaches and moves past the person, what will happen as the distance between the two increases is the pitch of the sound being heard by the person will appear to be lower than the pitch of the source.
Added 113 days ago|9/30/2020 6:56:40 AM
This answer has been confirmed as correct and helpful.
