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Brut [27]
3 years ago
15

Explain whether smoke filling up a room is diffusion or not

Physics
1 answer:
pogonyaev3 years ago
7 0
Yes, it is diffusion !

Diffusion is the process in which gas, through random movement of particles, tends to fill up the whole volume of the container in which it is placed. So a similar process would lead the smoke, which is in form of gas (or light particles), to fill in the whole room in which it is contained.
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Please help (choose a b or c)
Dafna11 [192]

I GEUSS A and COM is correct answer to this question

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3 years ago
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5280 feet to meters
lesya [120]

Answer:

1m= 3.2 feets

? = 5280 feets

let ? be n

cross multiply

3.2n = 1×5280

n= 5280÷3.2

n= 1650

so, 5280 feets is equal to 1650 metres

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3 years ago
What are the poles of a bar magnet.is it North West South or east.​
Dima020 [189]

Answer:

One end of any bar magnet will always want to point north if it is freely suspended. This is called the north-seeking pole of the magnet, or simply the north pole. The opposite end is called the south pole.

Explanation:

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On which factor hydraulic pressure depend?​
Andreas93 [3]
Amount of gas, temperature, and volume of container.
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3 years ago
A circular-motion addict of mass 83.0 kg rides a Ferris wheel around in a vertical circle of radius 13.0 m at a constant speed o
Svetllana [295]

Answer:

(A) Time period T = 6.28 SEC

(B) At highest point fore is - 575.83 N

(B) At lowest point force is 1050.97 N      

Explanation:

We have given that mass m = 83 kg

Radius r = 13 m

Speed v = 6.10 m/sec

(A) Time period of the motion is given by T=\frac{2\pi r}{v}=\frac{2\times 3.14\times 13}{6.10}=6.28sec

(b) Net force is given by F_{NET}=\frac{mv^2}{r}=\frac{83\times 6.10^2}{13}=237.571N

Force due to gravity F_{gravity}=mg=83\times 9.8=813.4N

At highest point F_{NORMAL}=F_{NET}-F_{GRAVITY}=237.57-813.4=-575.83

(B) At lowest point F_{NORMAL}=F_{NET}+F_{GRAVITY}=237.57+813.4=1050.97N

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3 years ago
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