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Tema [17]
3 years ago
10

HELPPP WILL GIVE BRAINLIEST!!!

Physics
2 answers:
lesantik [10]3 years ago
5 0

Answer: C

Explanation: As the universe stretches it expands more and more the distance between each other. Hope this helps.

Sati [7]3 years ago
4 0

Answer:

i think d is the answer

Explanation:

because if the balloons are together than how are you going to tell witch direction they go in

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Rachel collected data on the speed of sound waves passing through different media.
Helga [31]

The conclusion is, medium Q is most likely a solid because solids have the highest density and sound waves travel fastest in high density media.

<h3>Effect of density on speed of sound</h3>

Sound wave is mechanical wave that requires material medium for its propagation.

A high dense medium, is a medium with closely packed molecules. Since sound wave requires material medium for its propagation, it will travel faster in a high dense medium than a less dense medium.

Thus, the speed of sound increases as the density of the medium increases.

<h3>Speed of sound in the different media</h3>

The conclusion that can be made from the speed of sound in the different media is "Medium Q is most likely a solid because solids have the highest density and sound waves travel fastest in high density media".

Learn more about effect of density on speed of sound here: brainly.com/question/3323620

7 0
3 years ago
3. Ecology
Korvikt [17]

Answer:

The family would not have hot water unless they were to heat the the water. They would have to depend on the stove in order to survive by heating the house to say alive and not freeze. They would also have to depend on the stove to get hot water to do any, but if the sun goes away for too long and everything starts to die then they will have to use what food and wood that they have in order to survive.

Explanation:

6 0
3 years ago
I NEED HELP ASAP PLEASE!!!<br> (19 pts!)
zhenek [66]
They go in the boxes in this order:
density
2.meter
3.matter
4.hypothesis
5.control
6.kilogram
5 0
3 years ago
You're reading an article about forest fires in california and it features a photograph of firefighters battling a fire on a hil
Lelechka [254]
I will say it is about 20 m/s

7 0
3 years ago
A sound wave is an example of an electromagnetic wave in nature. true or false?
Natasha2012 [34]
False. A sound wave is an example of a mechanical wave, not an EM wave.

Hope this helps! :)
5 0
4 years ago
Read 2 more answers
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