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MissTica
3 years ago
9

Select the correct arrow. Which arrow correctly shows the flow of heat? Reset Next

Physics
2 answers:
Arturiano [62]3 years ago
8 0

Answer:

the first one

Explanation:

julsineya [31]3 years ago
6 0

Answer:

where is the image?

Explanation:

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Why oil does not dissolve in water?​
suter [353]

Answer:

Explanation:

Oil cannot dissolve in water because oil molecules repel water molecules

3 0
3 years ago
As water rises through the troposphere and cools, it changes from a(n) ————- to a(n) ———— through the process of condensation; w
Hoochie [10]

Answer:

GAS,   LIQUID,    CLOUDS

Explanation:

Water can be in three states: solid, liquid and gas, passing from one to another depending on the pressure and temperature.

In this complementation exercise.

When the water cools down the GAS goes to the LIQUID state, these small drops unite and form the CLOUDS

4 0
3 years ago
The horn on a fire truck sounds at a pitch of 350 hz a. what is the perceived frequency when the fire truck is moving toward you
solong [7]

The perceived frequency when the fire truck is moving toward you and away from you will be 370 Hz and 329.59 Hz respectively.

<h3>What is the Doppler effect?</h3>

A sudden change in the frequency due to the distance between the objects and source is explained by the doppler effect.

As the source and observer travel toward each other, the frequency of sound, light, or other waves increases or decreases.

The perceived frequency when the fire truck is moving toward you;

\rm r' = (\frac{v+v_0}{v}) V \\\\ \rm r' = (\frac{343+20}{343}) 350 \\\\ r' =370.4  \  Hz

The perceived frequency when the fire truck is moving away from you;

\rm r' = (\frac{v-v_0}{v}) V \\\\ \rm r' = (\frac{343-20}{343}) 343 \\\\ r' =329.59  \  Hz

Hence, the perceived frequency when the fire truck in cases 1 and 2 will be 370 Hz and 329.59 Hz.

To learn more about the doppler effect refer to the link;

brainly.com/question/15318474

#SPJ1

5 0
2 years ago
How was dance used in primitive cultures
ikadub [295]
Can i get brainliest . i think it was used as a way of communication.
8 0
3 years ago
One of the challenges of wind power is _____. the location of wind farms the ongoing cost of wind power that it adds carbon to t
Mila [183]
I think the correct answer from the choices listed above is the first option. One of the challenges of wind power is the <span>location of wind farms. Wind farms require large areas in order to function.  It consumes a lot of space. Hope this answers the question.</span>
5 0
3 years ago
Read 2 more answers
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