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barxatty [35]
3 years ago
6

Pls answer these questions I beg u!! And use the diagram for answering the questions pls help!! I will make u the BRAINLIEST!!!

Physics
1 answer:
MA_775_DIABLO [31]3 years ago
3 0
I think this is the answer:

<span>Matter can change its state because of the pressure and/or the temperature.</span>
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Following the formation of our planetary system most of our planets rotate from West to East while the sun appears to rise from
yawa3891 [41]

Answer:

there are two planets that rotate from East to West which are Uranus and venus

6 0
4 years ago
Look at the picture below. The boy is swinging back and forth on the swing. At which point is the potential energy of a swing th
Ilia_Sergeevich [38]
The potential energy of a swing is greatest at the top of the swing. (Point A).
5 0
3 years ago
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If you decrease the distance between successive crests of a wave, this changesA. The frequency.B. The wavelength.C. The speed.D.
Feliz [49]

Answer:

option E

Explanation:

The correct answer is option E

Writing the relation between wavelength and frequency

      f = \dfrac{v}{\lambda}

f is the frequency

v is the velocity of wave

λ is the wavelength

From the above expression we can clearly see that frequency is inversely proportional to wavelength.

When the distance between the two successive crest is decreased then wave length of the wave also decrease.

If wavelength of the wave decreases then frequency of the wave increase.

hence, we can say that both wavelength and the frequency changes.

8 0
3 years ago
What happens when two forces at same direction​
White raven [17]

Answer:

Explanation:

· If two forces are in the same direction, then one adds them to find the net force, which is the vector sum of these forces. However, when two forces act in opposite direction, one has to subtract the lesser force from the larger one to find the resulting force. The resultant is the direction of the larger of these two forces.

3 0
3 years ago
The quantity of charge q (in coulombs) that has passed through a surface of area 2.00 cm2 varies with time
Makovka662 [10]

Explanation:

We have,

Surface area, A=2\ cm^2=0.0002\ m^2

The current varies wrt time t as :

q(t) = 4t^3 + 5t + 6

(a) At t = 2 seconds, electrical charge is given by :

q(t) = 4t^3 + 5t + 6\\\\q(2) = 4(2)^3 + 5(2) + 6\\\\q=48\ C

(b) Current is given by :

I=\dfrac{dq}{dt}\\\\I=\dfrac{d(4t^3 + 5t + 6)}{dt}\\\\I=12t^2+5

Instantaneous current at t = 1 s is,

I=12(1)^2+5=17\ A

(c) Current is, I=12t^2+5

Current density is given by electric current per unit area.

J=\dfrac{I}{A}\\\\J=\dfrac{(12t^2+5)}{0.0002}\\\\J=5000(12t^2+5)\ A/m^2

Therefore, it is the required explanation.

7 0
4 years ago
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