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xxMikexx [17]
3 years ago
12

Suppose your class invites a person to give a speech. When you test out the sound system in the gym you find there are so many e

choes the speaker cannot be understood. What needs to be done to fix this problem?
Physics
1 answer:
snow_lady [41]3 years ago
5 0

Answer:

You either need to lower the volume so the sounds intensity is lessened. Or you can pad the walls to absorb the sound rather than defect.

Explanation:

Sound intensity allows it to be heard further, but in an enclosed room it will start returning. Sound will deflect off of hard objects do to its interactions with solids. A softer and foamy material can dampen it.

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PLEASE HELP!
Anna [14]

Answer:

Explanation:

At constant pressure , work done by gas = P x ΔV where P is pressure and ΔV is change in volume

ΔV = 9.2 - 5.6 = 3.6 L

3.6 L = 3.6 x 10⁻³ m³

ΔV = 3.6 x 10⁻³ m³

P = 3.7 x 10³ Pa

So work done

= 3.7 x 10³ x 3.6 x 10⁻³ J

= 13.32 J .

( c ) is the answer , because work is done by the gas so it will be positive.

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3 years ago
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Answer: Joule

Explanation:

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3 years ago
Answer lol! pls! !!!
kogti [31]

Answer:

Confused

Explanation:

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3 years ago
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How does sound travel from its source to your ear?
swat32
B. By vibrations in wires or strings
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How do scientist study the earth through plate tectonic plates and boundaries/
Serggg [28]

Answer:

By plotting the locations of earthquakes

Explanation:

When plotting the locations of earthquakes, scientists have been able to locate plate boundaries and also be able to determine plate characteristics and predict the movement of plates

5 0
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