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3 years ago

How are the particles moving and and arranged in a gas?

Engineering

1 answer:

alexandr402 [8]3 years ago

7 0

Answer:

The particles in gas do not have any particular arrangement and there are very, very weak forces between them. So, the particles in a gas can easily move around and fill the shape of the container they are in, meaning they have no fixed shape.

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A precision miling machince wighing 1000lb is supported on a rubber mount. The force deflection relationship of the rubber mount

Alisiya [41]

Answer:

0.2846 in

Explanation:

The static equilibrium position of the rubber mount ( $x^*$ ), under the weight of the milling machine, can be determined from:

$1000=3500(x^*)+ 55(x^*)^3\\\\55(x^*)^3+ 3500x^*-1000=0\\\\Solving\ for\ the\ roots\ using \ a \ calculator\ or\ matlab\ gives:\\ \\x^*_1=0.28535\\x^*_2=-0.14267+7.89107i\\x^*_3=-0.14267-7.89107i\\\\We\ are\ using\ the \ real\ root\ which\ is\ x^*_1=0.28535\\$

$k=\frac{dF}{dx}|_{x^*}\\ \\k=\frac{d}{dx}(3500x+55x^3)|_{x^*}\\\\k=3500+165x^2|_{x^*}\\\\k=3500+165(x^*)^2\\\\k=3500+165(0.28535)^2=3513.435\ lb/in$

The static equilibrium position is at:

$x=\frac{F}{k}=\frac{1000}{3513.435} =0.2846\ in$

8 0

3 years ago

Miguel’s presentation on the Iron Age moving into the Middle Ages was detailed. He outlined the process of smelting and clarifie

tatuchka [14]

Hello!! The correct answer would be C!! I took the same test!

3 0

2 years ago

Another name for the windpipe is the: * Lung Esopha Trachea Larynx

weeeeeb [17]

Answer:

Trachea

Explanation:

6 0

4 years ago

A rod of diameter D = 25 m and thermal conductivity of 60 W/m·K protrudes from a furnace with a wall temperature of 200ºC. The r

Lapatulllka [165]

Answer:

(a)T₀= T∞ + Rfin/ Rins +Rfin (Tw -T∞) (b) T = log. 16º C. therefore the length rod cannot meet specified limit, so we can use stainless steel to alter thermal conductivity.

Explanation:

Solution

Recall that:

A diameter of rod D = 25m with a Thermal conductivity of 60 W/m·K

Protrudes from a furnace with a temperature wall of 200ºC

The rod is welded to the furnace wall and is used as a hangar for instrumentation cable.

The surface of he temperature of last 100m is kept below 100ºC

So,

The ambient temperature is = 25ºC

Convection coefficient = 15 W/m2K.A.

Diameter = 25mm

K = 60 W/m·K

Tw = 200 ºC.

L ins = 200mm

Now,

Tmax = 100ºC

T∞ = 25C

h = 15w/m²k

Note: Kindly find an attached copy of part of the solution to this given example

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3 years ago

The pressure drop, Δp, along a straight pipe of diameter D has been experimentally studied, and it is observed that for laminar

lesya692 [45]

Answer:

pressure drop varies with pipe diameter.

Explanation:

Solutions have been attached as files, please check.

8 0

3 years ago