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m_a_m_a [10]
3 years ago
9

A fluid has a viscosity of 13 P and a specific gravity of 0.94. Determine the kinematic viscosity of this fluid in units of ft²/

s. Round the result to 4 decimal places.
Engineering
1 answer:
OlgaM077 [116]3 years ago
3 0

Answer:

kinematic viscosity is 0.0149 ft²/s

Explanation:

given data

specific gravity S = 0.94

density ρ = 0.94 × 1000

viscosity  μ = 13 Poise = 1.3 Pa-sec

we know 1 poise = 0.1 pas

to find out

kinematic viscosity

solution

we will apply here Kinematic viscosity formula that is

kinematic viscosity = \frac{\mu}{\rho}   ..................1

put here value in equation 1

and here  ρ is density and μ is viscosity

kinematic viscosity = \frac{1.3}{0.94*1000}

kinematic viscosity = 1.382978 × 10^{-3} m³/s

so kinematic viscosity is 0.0149 ft²/s

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Answer: \dfrac{-1}{16(x+4)^{\frac{3}{2}}}

Explanation:

Given

y=\dfrac{\sqrt{x+4}}{4}\\\text{differentitate w.r.t x}\\\dfrac{\mathrm{d} y}{\mathrm{d} x}=\dfrac{1}{4}\times \dfrac{1}{2\sqrt{x+4}}=\dfrac{1}{8\sqrt{x+4}}

\dfrac{\mathrm{d} y}{\mathrm{d} x}=\dfrac{(x+4)^{-0.5}}{8}

Again differentiate for the second derivative

\frac{\mathrm{d^2} y}{\mathrm{d} x^2}=\dfrac{1}{8}\times \dfrac{-1}{2(x+4)^{\frac{3}{2}}}=\dfrac{-1}{16(x+4)^{\frac{3}{2}}}

8 0
3 years ago
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The way most recursive functions are written, they seem to be circular at first glance, defining the solution of a problem in te
EastWind [94]

Question Continuation

int factorial(int n) {

if(n == 0)

return 1;

else

return n * factorial(n - 1);

}

Provide a brief explanation why this recursive function works.

Show all steps involved in calculating factorial(3) using the function defined.

Answer:

1. Brief explanation why this recursive function works.

First, the recursive method factorial is defined.

This is the means through with the machine identifies the method.

The method is defined as integer, the machine will regard it as integer.

When the factorial is called from anywhere that has access to it, which in this case is within the factorial class itself. This means you can call it from the main method, or you can call it from the factorial method itself. It's just a function call that, well, happens to call itself.

2. Steps to calculate factorial(3)

1 First, 3 is assigned to n.

2. At line 2, the machine checks if n equals 0

3. If yes, the machine prints 1

4. Else; it does the following from bottom to top

factorial(3):

return 3*factorial(2);

return 2*factorial(1):

return 1;

Which gives 3 * 2 * 1 = 6

5. Then it prints 6, which is the result of 3!

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3 years ago
Basic concepts surrounding electrical circuitry?​
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Hopefully that helps you out and is this for history or science?

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A gas stream flowing at 1000 cfm with a particulate loading of 400 gr/ft3 discharges from a certain industrial plant through an
Makovka662 [10]

<u>Solution and Explanation:</u>

Volume of gas stream = 1000 cfm (Cubic Feet per Minute)

Particulate loading = 400 gr/ft3 (Grain/cubic feet)

1 gr/ft3 = 0.00220462 lb/ft3

Total weight of particulate matter = 1000 \mathrm{cfm} \times 400 \mathrm{gr} / \mathrm{tt} 3 \times .000142857 \mathrm{lb} / \mathrm{ft} 3 \times 60=3428.568 \mathrm{lb} / \mathrm{hr}

Cyclone is to 80 % efficient

So particulate remaining = 0.20 \times 3428.568 \mathrm{lb} / \mathrm{hr}=685.7136

emissions from this stack be limited to = 10.0 lb/hr

Particles to be remaining after wet scrubber = 10.0 lb/hr

So particles to be removed = 685.7136- 10 = 675.7136

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4 0
3 years ago
A wheel barrow is used to lift a 150 lb load. The length from the wheel axle to the center of the load is 2 ft. The length from
Elanso [62]

Answer:

3:1

50\ \text{lb}

Explanation:

F_r=150\ \text{lb}

Mechanical advantage is will be the ratio of the distances from the wheel axle of the forces.

MA=\dfrac{6}{2}\\\Rightarrow MA=3:1

The ideal mechanical advantage of the system is 3:1.

The moment in the system is conserved so moment about the wheel axle is

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The required effort force is 50\ \text{lb}.

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