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3 years ago

FASTT PLZZ!!!! -Every person's body is different, _____.

Engineering

2 answers:

denpristay [2]3 years ago

5 0

Answer:

Explanation:

Tju [1.3M]3 years ago

3 0

B
Because depending on sizes a cabin layout will be different

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An incompressible viscous fluid flows through a pipe with a flow rate of 1 mL/s. The pipe has a uniform diameter D0 and a length

Nataly [62]

Answer:

$Q_2 = 32$ mL/s

Explanation:

Given :

The flow is incompressible viscous flow.

The initial flow rate, $Q_1$ = 1 mL/s

Initial diameter, $D_1= D_0$

Initial length, $L_1=L_0$

The initial pressure difference to maintain the flow, $P_1=P_0$

We know for a viscous flow,

$\Delta P = \frac{32 \mu V L}{D^2}$

$\Delta P = \frac{32 \mu Q L}{\frac{\pi}{4}D^4}$

$Q \propto \Delta P \times D^4$

$\frac{Q_1}{Q_2}= \frac{P_1}{P_2} \times \left( \frac{D_1}{D_2} \right)^4$

$\frac{1}{Q_2}= \frac{P_0}{2P_0} \times \left( \frac{D_0}{2D_0} \right)^4$

$\frac{1}{Q_2}= \frac{1}{2} \times \left( \frac{1}{2} \right)^4$

$\frac{1}{Q_2}= \frac{1}{32}$

∴ $Q_2 = 32$ mL/s

6 0

3 years ago

Convert 25 inches / min to mm/hour

Taya2010 [7]

Answer:

25 mins into hours = 0.416667 hours

25 inches as mm = 635

Explanation:

6 0

4 years ago

A developer has requested permission to build a large retail store at a location adjacent to the intersection of an undivided fo

Sergio [31]

Answer:

676 ft

Explanation:

Minimum sight distance, d_min

d_min = 1.47 * v_max * t_total where v_max is maximum velocity in mi/h, t_total is total time

v_max is given as 50 mi/h

t_total is sum of time for right-turn and adjustment time=8.5+0.7=9.2 seconds

Substituting these figures we obtain d_min=1.47*50*9.2=676.2 ft

For practical purposes, this distance is taken as 676 ft

6 0

3 years ago

Dimensioning a drawing means

lara [203]

Answer:

Dimensioning a drawing refers to drawing a dimension for every side of the figure. It means to write the lengths of every side in the figure(2D or 3D)

Hope it helps <3

7 0

3 years ago

Five kg of nitrogen gas (N2) in a rigid, insulated container fitted with a paddle wheel is initially at 300 K, 150 kPa. The N2 g

andrew-mc [135]

Answer:

A) attached below

B) 743 KJ

C) 1.8983 KJ/K

Explanation:

A) Diagram of system schematic and set up states

attached below

B) Calculate the amount of work received from the paddle wheel

assuming ideal gas situation

v1 = v2 ( for a constant volume process )

work generated by paddle wheel = system internal energy

dw = mCv dT . where ; Cv = 0.743 KJ/kgk

= 5 * 0.743 * ( 500 - 300 )

= 3.715 * 200 = 743 KJ

C) calculate the amount of entropy generated ( KJ/K )

S2 - S1 = 1.8983 KJ/K

attached below is the detailed solution

4 0

3 years ago