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Over [174]
2 years ago
5

1) When you hold your nose and go underwater, you can still hear sounds that are made above the water, in the air, if they are l

oud enough. This is because the _________________ in the air get transferred to the water.
Physics
2 answers:
Deffense [45]2 years ago
6 0

Answer:

Vibrations

Explanation:

That is why when under water it sounds muffled and you cannot hear clearly.

Firdavs [7]2 years ago
5 0

Answer:

Vibrations

Explanation:

Vibrations are transferred through water. That's how dolphins are able to tell where food, family, and objects are

please vote brainliest!!

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Marie Curie and her husband Pierre were Henri Becquerel's graduate students when Becquerel
LenKa [72]

Answer:

It is C on edge.

Explanation:

Because I just figured it out and got it right and because it says so in the link provided from the question.

7 0
3 years ago
Read 2 more answers
How would an unexpected result to an experiment affect the original hypothesis?
Kipish [7]

Answer:

it would by them changing their hypothisis and retrying the test again

Explanation:

4 0
3 years ago
If a person can't accompdate and the glasses is +2.50D. At which distance will the person see cleary
snow_tiger [21]

I believe the correct answer is 40 cm.

5 0
4 years ago
Consider a sealed 20 cm high electronic box whose base dimensions are 40cm x 40cm placed in a vacuum chamber. The emissivity of
Genrish500 [490]

Answer:

T_{surr}=296.289\ K

In Celsius:

T_{surr}=296.289-273\\T_{surr}=23.289^oC

Explanation:

The formula we are going to use is:

\dot Q_{rad}=\epsilon\sigma A_s(T_s^4-T_{surr}^4)

Where:

ε is the emissivity

σ is the Stefan constant

T_s is the final temperature of surrounding surfaces

T_{surr} is the required temperature

A_s is the are of surrounding surface

Calculating The area:

A_s=(0.4)(0.4)+4(0.4)(0.2)\\A_s=0.48\ m^2

σ= 5.67*10^{-8}\ W/m^2.K^4

ε =0.95

T_s=55+273

T_s=328 K

\dot Q_{rad=100 W

100=0.95(5.67*10^{-8})(0.48)(328^4-T_{surr}^4)\\3867693926=(328^4-T_{surr}^4)\\T_{surr}^4=7706623130\\T_{surr}=296.289\ K

In Celsius:

T_{surr}=296.289-273\\T_{surr}=23.289^oC

8 0
3 years ago
What are the Characteristics of the taiga
Natalka [10]

Answer:

A biome that is also known as the snow forest or boreal forest is called the taiga forest. This forest is characterized by the presence of the coniferous tress.

Explanation:

  • It is the largest known biome and is known to contain the soil that has negligible nutrient content and high acidic content.
  • The limit in the organic contribution of the soil is mainly due to the cold and moist climate that does not undergo deterioration for longer period of time. Also, it adds to the thinness of the soil.  
  • Accompanied by the coniferous trees, the vegetation includes broad leaved trees and some herbaceous plants.  
  • The climate consists of longer winters and smaller summer season. Mammals, fishes and insects are present in the taiga forest along with the herbivores mammals.  

7 0
3 years ago
Read 2 more answers
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