A jet of water, 2 inches in diameter issues from a nozzle with a velocity of 100 ft/s and impinges tangentially upon a perfect smooth stationary vane which deflects through an angle of 30 degrees without loss of velocity. What is resultant of the total force exerted by the jet on the plane? O 356.23 N 0 219.35 N 0 121.5 N 0 321.12 N

(a) A system forms an azeotrope if x1 = y1 at any given T and P. Does this system form an azeotrope at T= 308.15 K? If so, what is the composition x1 = y1 of the azeotrope? The saturation pressure of pure component 1 at T = 308.15 K is Pjat = 49.624 kPa and that of pure component 2 is Pžat = 85.265 kPa.

Now, using the following equation;P = x1Pjat + x2PžatWe can calculate the pressure of each component: 49.624 kPa = x1(49.624 kPa) + x2(85.265 kPa)Thus,x1 + x2 = 1andx1 = 0.4230.423 = 42.3%Therefore, the system forms an azeotrope at T = 308.15 K, with composition x1 = y1 = 0.423.

(b) To calculate H1, we need to use Henry's law, which is represented by the following equation:P1 = H1x1PjatUsing the value for x1 obtained from part (a) and Pjat = 49.624 kPa for component 1, we can obtain P1. We can also assume that component 1 obeys Henry's law, so we can calculate H1 by plotting P1 vs x1 and finding the slope of the line.P1 = H1x1PjatP1 = 0.423 × 49.624 kPaP1 = 21.003 kPa Hence, H1 is the slope of a plot of P1 vs x1, which gives;H1 = 0.523 kPa

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Answer:

The best chose will happen to be C

To design a discrete low-pass FIR filter using Kaiser windowing techniques, we need to define the specifications for the filter. These specifications typically include the desired cutoff frequency, filter length, and the desired passband and stopband characteristics. However, since you haven't provided specific values for these specifications, I'll explain the general steps involved in designing a Kaiser windowed FIR filter. You can then apply these steps with your specific specifications.

1. Determine the filter specifications: Define the cutoff frequency, transition bandwidth, and the desired passband and stopband characteristics. For example, you might specify a cutoff frequency of 1 kHz, a transition bandwidth of 200 Hz, and a passband ripple of 0.1 dB.

2. Calculate the filter length: The filter length determines the number of taps in the FIR filter and affects its frequency response. Longer filters typically offer better frequency selectivity but require more computational resources. Use established design rules or equations to determine an appropriate filter length based on your specifications.

3. Choose the Kaiser window parameters: The Kaiser window is a parameterized window function that controls the trade-off between the main lobe width and the sidelobe attenuation in the filter's frequency response. The key parameter is the beta value, which determines the shape of the window. A higher beta value results in a narrower main lobe but with higher sidelobe attenuation.

4. Design the filter coefficients: Once you have determined the filter length and chosen the Kaiser window parameters, you can design the filter coefficients using windowing techniques. You can use mathematical equations or software tools like MATLAB or Python's SciPy library to generate the filter coefficients. The Kaiser window function is multiplied element-wise with the ideal low-pass filter impulse response to obtain the final filter coefficients.

5. Evaluate the filter's performance: After obtaining the filter coefficients, you can evaluate the designed filter's performance using various metrics such as frequency response, passband ripple, stopband attenuation, and phase response. You can plot the frequency response or use numerical analysis to ensure that the filter meets your specifications.

6. Implement the filter: Once you are satisfied with the designed filter, you can implement it in your desired system or application. The implementation can involve convolving the filter coefficients with the input signal using techniques such as the overlap-add or overlap-save method.

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An engine starting system must crank or spin the engine until fuel ignites forces the pistons down and the engine begins to operate on its own power.

Engine is a machine that converts energy into mechanical work. It is a device that takes an energy source, such as electricity, fuel, or solar power, and converts it into a form of energy that can be used to drive a machine, such as a car, truck, boat, or generator. Engines are used in almost all forms of transportation, from cars and trucks to boats and planes. They are also used in many industrial and commercial applications, such as manufacturing, power generation, and construction. Engines are composed of a number of components, including cylinders, pistons, valves, and a crankshaft. The pistons in the cylinders move up and down, creating energy that is then converted into movement that drives the crankshaft and ultimately powers the machine. Engines are usually powered by gasoline, diesel, or other fuels, although some can use electricity or solar power. They come in many different sizes and configurations, and are found in a variety of vehicles, from cars and motorcycles to boats and plane.

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An engine starting system must crank or spin the engine until fuel Combustion forces the pistons down and the engine begins to operate on its own power.

Combustion is a chemical reaction in which a substance reacts quickly with oxygen and produces heat. The original substance is referred to as the fuel, and the source of oxygen is referred to as the oxidizer. The fuel can be solid, liquid, or gas, but it is usually a liquid for aeroplane propulsion. Similarly, the oxidizer could be a solid, liquid, or gas, but for aeroplanes, it is usually a gas (air). A solid fuel and oxidizer are used in model rockets.

New chemical substances are formed during combustion from the fuel and the oxidizer. These substances are referred to as exhaust. The majority of the exhaust is caused by chemical reactions between the fuel and oxygen.

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Answer:

tires

Explanation:

without tyres you can not drive.

Answer:

d spurving bearings

Explanation:

because IN a car you can't move without them.in the old days they were using wood as tires

Answer:

final temperature = 26.5°

Explanation:

Initial volume of water is 1 x 1 x 1 = 1 \(m^{3}\)

Initial temperature of water = 20° C

Density of water = 1000 kg/\(m^{3}\)

volume of copper block = 0.46 x 0.46 x 0.46 = 0.097 \(m^{3}\)

Initial temperature of copper block = 100° C

Density of copper = 8960 kg/\(m^{3}\)

Final volume of water = 1 - 0.097 = 0.903 \(m^{3}\)

Assumptions:

mass of water remaining in the tank will be density x volume = 1000 x 0.903 = 903 kg

specific heat capacity of water c = 4186 J/K-kg

heat content of water left Hw = mcT = 903 x 4186 x 20 = 75.59 Mega-joules

mass of copper will be density x volume = 8960 x 0.097 = 869.12 kg

specific heat capacity of copper is 385 J/K-kg

heat content of copper Hc = mcT = 869.12 x 385 x 100 = 33.46 Mega-joules

total heat in the system = 75.59 + 33.46 = 109.05 Mega-joules

this heat will be distributed in the entire system

heat energy of water within the system = mcT

where T is the final temperature

= 903 x 4186 x T = 3779958T

for copper, heat will be

mcT = 869.12 x 385 = 334611.2T

these component heats will sum up to the final heat of the system, i.e

3779958T + 334611.2T = 109.05 x \(10^{6}\)

4114569.2T = 109.05 x \(10^{6}\)

final temperature T = (109.05 x \(10^{6}\))/4114569.2 = 26.5°

Answer: hello your question lacks the required diagram attached below is the diagram

answer :  29528.1  N/m^2

Explanation:

Given data :

dimensions of tank :

Length = 5-m

Width = 4-m

Depth = 2.5-m

acceleration of tank = 2m/s^2

Determine the maximum gage pressure in the tank

Pa ( pressure at point A )  = s*g*h1

    = 10^3 * 9.81 * 3.01

    = 29528.1  N/m^2

attached below is the remaining part of the solution

Answer:

\(X_t=2.17391304*10^{-4}\)

\(X_r=2.89855072*10^{-4}\)

\(e_t=0.0026\)

\(e_r=0.0035\)

Explanation:

From the question we are told that:

Dimension \(12*12\)

Thickness \(l_t=5mm=5*10^-3\)

Normal tensile force on top side \(F_t= 15kN\)

Normal tensile force on right side  \(F_r= 20kN\)

Elastic modulus, \(E=115Gpap=>115*10^9\)

Generally the equation for Normal Strain X is mathematically given by

 \(X=\frac{Force}{Area*E}\)

Therefore

For Top

 \(X_t=\frac{Force_t}{Area*E}\)

Where

 \(Area=L*B*T\)

 \(Area=12*10^{-2}*5*10^{-3}\)

 \(Area=6*10^{-4}\)  

 \(X_t=\frac{15*10^3}{6*10^{-4}*115*10^9}\)

 \(X_t=2.17391304*10^{-4}\)

For Right side\(X_r=\frac{Force_r}{Area*E}\)

Where

Area=L*B*T

 \(Area=12*10^{-2}*5*10^{-3}\)

 \(Area=6*10^{-4}\)  

 \(X_r=2.89855072*10^{-4}\)

 \(X_r=2.89855072*10^{-4}\)

Generally the equation for elongation is mathematically given by

 \(e=strain *12\)

For top

 \(e_t=2.17391304*10^{-4}*12\)

 \(e_t=0.0026\)

For Right

 \(e_r=2.89855072*10^{-4} *12\)

 \(e_r=0.0035\)

Answer:

y'(x) = 7 ;

y'(x) = 15x²

Explanation:

Differentiation from first principle :

y = 7x

Formula to obtain derivative from first principle:

y'(x) = lim(h - - > 0) : [y(x + h) - y(x)] / h

Obtain : y(x + h)

y(x) = 7x

y(x + h) = 7(x + h)

Substitute into formula :

y'(x) = lim(h - - > 0) : [7(x + h) - 7x] / h

Expand :

y'(x) = lim(h - - > 0) : [7x + 7h - 7x] / h

y'(x) = lim(h - - > 0) : 7h/ h

y'(x) = 7

2.)

y = 5x³

y'(x) = lim(h - - > 0) : [y(x + h) - y(x)] / h

Obtain : y(x + h)

y(x) = 5x³

y(x + h) = 5(x + h)³

Substitute into formula :

y'(x) = lim(h - - > 0) : [5(x + h)³ - 5x³] / h

Expand :

y'(x) = lim(h - - > 0) : [5(x³ + 3x²h + 3xh² + h³) - 5x³] / h

y'(x) = lim(h - - > 0) : [5x³ + 15x²h + 15xh² + 5h³ - 5x³] / h

y'(x) = lim(h - - > 0) : [15x²h + 15xh² + 5h³] / h

y'(x) = lim(h - - > 0) : h(15x² + 15xh + 5h²) / h

y'(x) = lim(h - - > 0) : (15x² + 15xh + 5h²)

y'(x) = 15x²

The angle made by the strain gauge with respect to the direction of the principal strains can be obtained from applied equation (1) or (2).θ = 45°

Experimental stress analysis refers to the process of measuring the stresses or strains in a component or structure under loading conditions. The process involves the attachment of strain gauges to the surface of the structure under test. Rosettes are devices that are designed to measure strains in three directions.The principal strains are the strains that occur in directions perpendicular to each other and do not contain any shear components. The formula for the principal strains is given as follows:σ1−σ2/2 =εc cos2θ +εa sin2θ ...(1)σ1+σ2/2 =εc sin2θ +εa cos2θ ...(2)Where σ1 and σ2 are the principal stresses, εa is the axial strain, εc is the lateral strain, and θ is the angle made by the strain gauge with respect to the direction of the principal strains.

By solving equations (1) and (2), we can get the principal strains. Let's substitute the given values into these equations and solve for the principal strains.σ1−σ2/2 = (244 × 10^-6) cos^2(45) + (80 × 10^-6) sin^2(45)σ1+σ2/2 = (244 × 10^-6) sin^2(45) + (80 × 10^-6) cos^2(45)Simplifyingσ1−σ2 = 81.1 × 10^-6σ1+σ2 = 117.3 × 10^-6Adding the two equations, we have2σ1 = 198.4 × 10^-6σ1 = 99.2 × 10^-6Substituting the value of σ1 in any of the two equations above, we getσ2 = 18.8 × 10^-6The principal strains are therefore:

ε1 = σ1/E - ν σ2/Eε2 = σ2/E - ν σ1/E Where E is the Young's modulus of the material, and ν is Poisson's ratio.

Substituting the given valuesε1 = 99.2 × 10^-6/ 2 × 75.8 × 10^3 - 0.33 × 18.8 × 10^-6/ 75.8 × 10^3ε1 = 663.7 × 10^-6ε2 = 18.8 × 10^-6/ 2 × 75.8 × 10^3 - 0.33 × 99.2 × 10^-6/ 75.8 × 10^3ε2 = 331.1 × 10^-6

Therefore, the principal strains are ε1 = 663.7 × 10^-6 and ε2 = 331.1 × 10^-6. The angle made by the strain gauge with respect to the direction of the principal strains can be obtained from equation (1) or (2).θ = 45°

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A sliding window is a technique used to solve problems that require iterative processing of a sequence of elements. It involves moving a fixed-size window over the sequence and performing computations on the elements within the window.

Here are some indicators that a problem might require a sliding window approach:

1) The problem involves processing a sequence of elements: If a problem involves iterating over a sequence of elements, a sliding window approach may be applicable.

2) The problem requires tracking a contiguous subsequence: If the problem requires tracking a contiguous subsequence of a sequence, a sliding window approach may be useful.

3) The problem requires a fixed-size window: If the problem requires processing a fixed-size window of elements at a time, a sliding window approach may be suitable.

4)The problem requires a linear time complexity: If the problem requires a linear time complexity, a sliding window approach can provide an efficient solution.

5) The problem involves finding a maximum or minimum: If the problem involves finding a maximum or minimum value within a subsequence, a sliding window approach may be appropriate.

A sliding window approach can be useful for problems that involve processing a sequence of elements, tracking contiguous subsequences, and require a fixed-size window or linear time complexity.

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A) 473 horsepower rating on the bmw m3 in north america.

BMW's S58 twin-turbo 3.0-liter inline-six, which in standard form generates 473 horsepower and 406 lb-ft of torque, powers the M3. It is connected to either a six-speed manual transmission or an eight-speed automatic transmission that only drives the rear wheels. According to BMW, the M3 will reach 60 mph in 4.1 seconds and reach a top speed of 180 mph.

Engine output increases to 503 horsepower and 479 lb-ft of torque in the M3 Competition. BMW's xDrive AWD technology is now provided, whilst the Competition is only offered with an automatic transmission. Considering the car's capabilities, fuel economy isn't too poor; regardless of the transmission selected, it receives an EPA rating of 16/23 mpg city/highway.

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Answer:

C

Explanation: Freedmens Bureau provided resources for southerners and newly freed slaves

An unloaded synchronous machine's three-phase short-circuit current undergoes a series of sub transient and transient episodes as the amplitude of the sinusoidal symmetrical ac component decreases from a high beginning value to a lower steady-state value.

First off, the term "subtransient" describes how quickly this quantity changes—faster than even "transient" itself. Technically speaking, the subtransient time period lasts from 16.7 milliseconds to 50 milliseconds, or around one to three cycles (assuming a power frequency of 60 Hz). There are three time periods: During the sub-transient period, the AC current is very big and falls quickly after the fault; during the transient period, the current falls more slowly; and during the steady-state period, the current reaches its steady value. In the computation of fault current, transient and sub-transient reactance are often the words that are used. Subtransient reactance, which is generally represented by the symbol X"d, is the reactance that is used to estimate the current during the first cycle after the occurrence of the fault.

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The claim of a photovoltaic cell having an output of 320 W/m2 at standard 1000 W/m2 irradiation condition is possible but highly efficient, and other factors affecting its performance and testing methods should be considered.

To determine if the company's claim is accurate, we need to calculate the efficiency of the photovoltaic cell. The efficiency of a photovoltaic cell is the ratio of the power output to the power input. In this case, the power input is 1000 W/m2, and the power output is claimed to be 320 W/m2.

Therefore, the efficiency of the photovoltaic cell can be calculated as follows:

Efficiency = (power output / power input) x 100%
Efficiency = (320 W/m2 / 1000 W/m2) x 100%
Efficiency = 32%

An efficiency of 32% is very high for a photovoltaic cell. Most commercial solar panels have efficiencies between 15% and 20%. It is possible that the company's claim is true if they have developed a highly efficient photovoltaic cell. However, it is also possible that the claim is false or misleading.

It is important to consider other factors that could affect the performance of the photovoltaic cell, such as temperature, shading, and degradation over time. Additionally, it is important to verify the accuracy of the testing methods and equipment used to measure the output of the cell.

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Answer: the shear strength at a depth of 12 ft is 1034.9015 lb/ft²

Explanation:

Given that;

Weight of soil r = 118 lb/ft³

stress parameter C = 250 lb/ft²

φ total = 29°

depth Z = 12 ft

The shear strength on a horizontal plane at a depth of 12ft

ζ = C + δtanφ

where δ = normal stress

normal stress δ = r × z = 118 × 12 = 1416

so

ζ = C + δtanφ

ζ = 250 + 1416(tan29°)

ζ = 250 + 1416(tan29°)

ζ = 250 + 784.9016

ζ = 1034.9015 lb/ft²

Therefore the shear strength at a depth of 12 ft is 1034.9015 lb/ft²

Please keep in mind that these are only estimates; actual calculations would require detailed drawings and consideration of any other factors such as sloping or irregular shapes.

(a) List the time allotted for concrete work on the column stump and pile cap?

Taking off for concrete work for the column stump and pile cap would typically include:

Volume of concrete required for the column stump

The amount of concrete needed for the pile cap

Reinforcement steel required for both the column stump and pile cap

Formwork and shoring required for both the column stump and pile cap

(b) How much concrete work is required for a C2 column stump?

To calculate the quantity of concrete work required for the C2 column stump, you would need to know the dimensions of the column stump (length, width, and height).

With a height of 100mm and assuming a square shape, and using the formula for the volume of a cube:

Volume = length x width x height = 100mm x 100mm x 100mm = 1,000,000 mm³ = 1 m³

(c) Determine the amount of concrete work required for the P1 pile cap.

To calculate the quantity of concrete work required for the P1 pile cap, you would need to know the dimensions of the pile cap (length, width, and thickness) and the number of piles the pile cap will be covering.

With a thickness of 100mm and assuming a square shape, and using the formula for the volume of a cube:

Volume = length x width x thickness = 100mm x 100mm x 100mm = 1,000,000 mm³ = 1 m³

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Answer:

In my opinion, Energy, Time, Money and Development

Answer:

Pollution, time, money, and energy.

Explanation:

Answer:

Keeps workers interested and motivated, helping reduce dangerous behavior and eliminate hazardous situations

Explanation:

Frequent hands-on training and practice drives home the message that safety is a critical part of any work site. Safety should always be a top concern for every company and organization.

Answer:

The answer ix below

Explanation:

There are 12 apple pies left.

Given that:

n = number of apple pies left = 12

x = number of food banks = 6

1) For the 12 apple pies to be distributed among 6 food banks. The number of ways in which this can be done is:

C(n + x - 1, x - 1) = C(12 + 6 -1, 6 - 1) = C(17, 5) = \(\frac{17!}{(17-5)!5!} =\frac{17!}{12!5!}=6188 \ ways\)

12 apple pies can be distributed among 6 food banks in 6188 ways

2) For the 12 apple pies to be distributed among 6 food banks if each food bank must receive one pie, 6 pies would be remaining. The number of ways in which this can be done is:

C((n - x) + x - 1, n - x) = C(12 - 6 + 6 - 1, 12 - 6) = C(11, 6) = \(\frac{11!}{(11-6)!6!} =\frac{11!}{6!5!}=462 \ ways\)

12 apple pies can be distributed among 6 food banks if each food bank must receive one pie in 462 ways

Experiential estimating is being used to determine the project duration and total cost.

What is Experiential?
Experiential learning is an educational philosophy that focuses on learning through experience. It involves actively engaging in a hands-on, sensory-based activity that encourages and facilitates learning. This type of learning is often associated with the physical environment, where the learner interacts directly with the environment and the activity to gain knowledge. Experiential learning can also involve activities such as role-playing, simulations, and problem-solving. This approach to learning is based on the idea that learning is most effective when it is meaningful and relevant to the learner. It promotes active learning, reflection, and the development of critical thinking skills.

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A survey means the measurement of a tract of land with its boundaries, contents, and location relative to other property.

This refers to the art of making all essential measurements to determine the relative position of points or physical and cultural details about the surface of the Earth.

The relative position of the points are then depicted in a usable form, or to establish the position of points or details.

Therefore, the survey means the measurement of a tract of land with its boundaries, contents, and location relative to other property.

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Answer:

the main advantage of a 240 volt heating unit over a 120 volt heating unit is that at 240V, you can get the same amount of power with less current than you'd need at 120V. This means that 240V requires less wiring , and you can fit more heaters on a 240V circuit than on a 120V circuit . Additionally, 240V power is more energy efficient and cost-effective in certain situations. However, it's important to note that the size and capacity of the heating unit can be a factor as well, and that both 120V and 240V heating units have their advantages depending on the specific needs and circumstances.

Explanation:

Answer:

I dont think you can blur text in google docs

A straight-wing aircraft has a higher coefficient of lift because it has a shorter chord length and a higher aspect ratio than a swept-wing aircraft.

What is aircraft?
A vehicle that can fly is known as an aircraft. It does so by gaining support from of the air. It does this by using either static lift, dynamic lift provided by an airfoil, or, in a few rare instances, the descending thrust from jet engines to overcome the force of gravity. Hot air balloons, gliders, paramotors, aeroplanes, helicopters, and airships (including blimps) are a few examples of common types of aircraft. Aviation is the term used to describe human activity related to aircraft. Aeronautics is the name given to the field of study that includes the design and construction of aircraft. Unmanned aerial vehicles (UAVs) can be remotely piloted as well as self-controlled by onboard computers, unlike crewed aircraft that have an onboard pilot. Different classification methods for aircraft exist, including lift type, aircraft propulsion, usage, and more.

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