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o-na [289]
3 years ago
13

Friction is the __ __ __ __ __ between two __ __ __ __ __ __ __ __ objects. It can __ __ __ __ things down or make things stand

__ __ __ __ __ .
Physics
1 answer:
abruzzese [7]3 years ago
5 0

Answer:

force ; connected ; slow ; slipping.

Explanation:

Friction is the force that occurs when two objects are in contact and they oppose relative motion of the two surfaces. The frictional forces always tries to oppose the relative motion between two objects. It makes the things to move slowly or slow down the speed by opposing its relative motion. It avoids slipping of any objects which makes objects stands slipping.

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Find the values of the root mean square translational speed v, molecules in gaseous diatomic oxygen (O2), gaseous carbon dioxide
tiny-mole [99]

Answer:

For diatomic oxygen:V=539.06 m/s

For carbon dia oxide:V=459.71 m/s

For dia atomic hydrogen:V=2156.25 m/s

Explanation:

As we know that

Root mean square velocity V

V=\sqrt{\dfrac{3RT}{M}}

Where

R is the gas constant

R=8.31\ \frac{kg.m^2}{s^2.mol.K}

T is the temperature (K).

M is the molecular weight.

For diatomic oxygen:

M=32 g/mol

T=273+100 = 373 K

R=8.31\ \frac{kg.m^2}{s^2.mol.K}

V=\sqrt{\dfrac{3RT}{M}}

V=\sqrt{\dfrac{3\times 8.31\times 373}{32\times 10^{-3}}}

V=539.06 m/s

For carbon dia oxide

M=44 g/mol

T=273+100 = 373 K

R=8.31\ \frac{kg.m^2}{s^2.mol.K}

V=\sqrt{\dfrac{3RT}{M}}

V=\sqrt{\dfrac{3\times 8.31\times 373}{44\times 10^{-3}}}

V=459.71 m/s

For dia atomic hydrogen:

M= 2 g/mol

T=273+100 = 373 K

R=8.31\ \frac{kg.m^2}{s^2.mol.K}

V=\sqrt{\dfrac{3RT}{M}}

V=\sqrt{\dfrac{3\times 8.31\times 373}{2\times 10^{-3}}}

V=2156.25 m/s

3 0
4 years ago
What are the similarities between thermionic emission and liquid Vapourizartion?​
gregori [183]

Answer:

they both evaperated bye heat

Explanation:

3 0
4 years ago
3. Record the results from step two of the experiment (dropping the objects in a vacuum)
pickupchik [31]

Answer:

we cant do this you have to experiment for yourself we have no idea what this assignment is. We could answer it if it was an answer with a direct answer but this is something that you must do by yourself.

Explanation:

3 0
3 years ago
Read 2 more answers
Why does the multimeter reading decrease as the frequency increases?
Lynna [10]
<span>Multimeter circuit are designed to measure 60 c/s or 400 c/s AC. It has quite large bypass capacitance to limit the input frequency response to avoid osillation. Most digital AC volt meter shall not give accurate reading more than 2000 c/s. That is why your ordinary AC multimeter does not response to higher frequency.</span>
7 0
4 years ago
A ball falling through the air has_______
PSYCHO15rus [73]
B- only kinetic energy because it’s moving and not static
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4 years ago
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