Q.1.3 Create a hierarchy chart that accurately represents the logic in the scenario below: Scenario: The application for an online store allows for an order to be created, amended, and processed. Each of the functionalities represent a module. Before an order can be amended though, the order needs to be retrieved.

Answer:

true

Explanation:

Answer:

True

Explanation:

The internet is a very useful tool, but remember there are billions of people out there who would use it for good purpose or bad ones.

scale is used to make a scale drawing. every scale drawing has it's sclae written for proper interpreatation

A Scale is the ratio of a sketched model and the actual measuremnts while a scale drawing is a sketched model that was carefully made such that every measurement in the sketch could be represented to the site or actual mearuement through the scale with very little or no error

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To make a scale drawing, scale is used. For correct interpretation, every scale drawing has its own scale inscribed on it.

A scale drawing is a sketched model that has been meticulously prepared so that every measurement in the sketch may be conveyed to the site or actual measurement through the scale with very little or no mistake.

A weighing apparatus or equipment with two pans of equal weight hung from its ends —usually used in the plural, either pan or tray of a balance scale.

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The answer for the ideal mechanical advantage and actual mechanical advantage for the different scenarios are;

A) Ideal Mechanical Advantage = 18.67

B) Actual Mechanical Advantage = 4.1067

We are given;

Input distance; The diameter of the wheel; d_w = 14 inches

Output distance; The diameter of the axle that drives the wheel; d_a = 3/4 inches

The force needed to cut a one-inch-thick softwood board; F = 1.75 pounds

The efficiency of the band saw; η = 22% = 0.22

A) Formula for Mechanical advantage is;

M.A = Force output/Force input = (Input distance)/(Output distance)

Thus;

Ideal mechanical advantage = 14/(3/4)

Ideal mechanical advantage = 18.67

B) Now, we are given that efficiency of the band saw is η = 22% = 0.22.

Thus using the mechanical advantage formula above;

Actual mechanical advantage = 0.22 × Expected output

Actual mechanical advantage = 0.22 × 18.67

Actual mechanical advantage ≈ 4.1067

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Answer:

b. A view of a building seen from one side, a flat representation of one façade. This is the most common view used to describe the external appearance of a building.

Explanation:

An elevation is a three-dimensional, orthographic, architectural projection that reveals just a side of the building. It is represented with diagrams and shadows are used to create the effect of a three-dimensional image.

It reveals the position of the building from ground-depth and only the outer parts of the structure are illustrated. Elevations, building plans, and section drawings are always drawn together by the architects.

Answer:

a 9mm dimeter tube is inserted into un known whose density is 960kg/m3 and it is obsered that the liquid rises 5mm inthe tube,making a contact angle of15. determin the surface tention of the fluid.

Explanation:

A 1.9-mm-diameter tube is inserted into an unknown liquid whose density is 960 kg/m3, and it is observed that the liquid rises 5 mm in the tube, making a contact angle of 15°. The surface tension of the liquid is 0.041 N/m.

Surface tension is the property that is displayed by the liquid surface, which increases its surface area due to intermolecular forces of attraction.

We can use the capillary rise equation to solve this problem:

h = (2Tcosθ)/(ρgr)

where:

h = height of liquid rise in the tube (5 mm)

T = surface tension of the liquid (to be determined)

θ = contact angle (15°)

ρ = density of the liquid (960 kg/m^3)

g = acceleration due to gravity (9.81 m/s^2)

r = radius of the tube (1.9/2 = 0.95 mm = 0.00095 m)

Substituting the given values and solving for T, we get:

T = (hρgr)/(2cosθr)

= (0.005 m)(960 kg/m³)(9.81 m/s²)(0.00095 m)/(2cos(15°)(0.00095 m))

= 0.041 N/m

Therefore, the surface tension of the liquid is 0.041 N/m.

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Answer:

waste stream

Explanation:

i got it right on sp2

The concentration of chloride ions in the solution can be calculated by using the Nernst equation.

The Nernst equation is used to calculate the potential of an electrochemical cell under non-standard conditions. It relates the electrode potential to the concentrations of the species present in the solution.

The Nernst equation is:E = E° - (RT/nF) ln(Q)where, E is the cell potential under non-standard conditions,E° is the standard electrode potential, R is the gas constant, T is the temperature, n is the number of moles of electrons transferred, F is the Faraday constant, and Q is the reaction quotient.In this case, the standard cell potential (E°) is 0.115 V, and the measured cell potential (E) is 0.0925 V.

The reaction is given as:2AgCl(s) + 2e- → 2Ag(s) + 2Cl-(aq)We can see that n = 2 (two electrons are transferred in the reaction).The Nernst equation can be rearranged to solve for the concentration of chloride ions (Cl-) in the solution:ln(Cl-) = (E° - E)/(0.0592/n)ln(Cl-) = (0.115 - 0.0925)/(0.0592/2)ln(Cl-) = 0.378M[Cl-] = e^0.378M[Cl-] = 1.46 MTherefore, the concentration of chloride ions in the solution is 1.46 M.

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Answer:

hey. its a big question. solved from *c hegg

Explanation:

Answer:

the third anwser is right on edgeinuity

Explanation:

Answer:

Technology can pull students’ focus away from their tasks.

Explanation:

Answer:

- Ultrasound scanning system

- Magnetic Resonance Imaging (MRI)

- Computed tomography (CT)

- X - Ray scan

Explanation:

\(.\)

Answer:

- USS Ultarsound

- Medical sonography

False.

Robust design refers to the design philosophy and methodology aimed at creating products or systems that can perform consistently and reliably under various operating conditions and uncertainties.

It involves anticipating potential variations and uncertainties in the operating environment and designing the product to be resilient and adaptable.

While backups can be part of a robust design strategy, they are not the sole focus or defining characteristic. Robust design encompasses a broader set of principles, such as reducing sensitivity to input variations, minimizing the impact of noise or disturbances, and optimizing performance across a range of conditions.

Backups, on the other hand, are typically associated with redundancy or fail-safe mechanisms that provide a backup option if the primary component or system fails.

While backups can contribute to enhancing product reliability, they are just one element of a comprehensive robust design approach that also includes considerations of tolerance, flexibility, and adaptability to ensure overall reliability and performance.

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Answer:

E = 132.69 sin(ωt -11.56)

i(t) = 6.64 sin (ωt +48.44) A

Explanation:

given data

e1 = 80 sin ωt volts                       80 < 0

e2 = 60 sin (ωt + π/2) volts          60 < 90

e3 = 100 sin (ωt – π/3) volts        100 < -60

solution

resultant will be  = e2 + e2 + e3

E =  80 < 0 + 60 < 90 + 100 < -60

\(\bar E\) = 80 + j60 + 50 - j50\(\sqrt{3}\)

\(\bar E\) = 130 + (-j26.60)

\(\bar E\) = 132.69  that is less than -11.56

so

E = 132.69 sin(ωt -11.56)

and

as we have given the impedance

z = (10-j17.3)Ω

z = 19.982 < -60

and

i(t) = \(\frac{132.69}{19.982}\) sin(ωt -11.56 + 60)  

i(t) = 6.64 sin (ωt +48.44) A

Answer:

15psig

Explanation:

The current ID in the following circuit is 10 microamps.

The current ID in the following circuit can be determined using the following steps -

1. Calculate the current through the NPN transistor

\(I_C = \frac{V_{CC} - V_{BE}}{R_C}\)

where:

• IC is the current through the NPN transistor (A)

• VCC is the supply voltage (V)

• VBE is the base-emitter voltage (V)

• RC is the collector resistor (Ω)

since

• VCC=5 V

• VBE=0.7 V

• RC=1 MΩ

\(I_C = \frac{5 \text{ V} - 0.7 \text{ V}}{1 \text{ MΩ}} = 4.3 \mu \text{A}\)

2. Calculate the current through the PNP transistor -

\(I_B = \frac{V_{BE}}{R_B}\)

where  -

• IB is the current through the PNP transistor (A)

• VBE is the base-emitter voltage (V)

• RB is the base resistor (Ω)

Since

• VBE=0.7 V

• RB=1 MΩ

Substituting

\(I_B = \frac{0.7 \text{ V}}{1 \text{ MΩ}} = 0.7 \mu \text{A}\)

3. Calculate the current through the diode  -

\(I_D = \frac{V_{DD} - V_{DS}}{R_D}\)

where  -

• ID is the current through the diode (A)

• VDD is the supply voltage (V)

• VDS is the drain-source voltage (V)

• RD is the drain resistor (Ω)

Since

• VDD=5 V

• VDS=0 V

• RD=1 MΩ

Substituting these values into the equation, we get -

\(I_D = \frac{5 \text{ V} - 0 \text{ V}}{1 \text{ MΩ}} = 5 \mu \text{A}\)

4. Calculate the current through the resistor  -

\(I_R = I_C + I_B + I_D\)

where  -

• IR is the current through the resistor (A)

• IC is the current through the NPN transistor (A)

• IB is the current through the PNP transistor (A)

• ID is the current through the diode (A)

Since

• IC=4.3μA

• IB=0.7μA

• ID=5μA

Substituting these values into the equation, we get  

\(I_R = 4.3 \mu \text{A} + 0.7 \mu \text{A} + 5 \mu \text{A} = 10 \mu \text{A}\)

5. Calculate the current through the load  -

\(I_L = I_R = 10 \mu \text{A}\)

Therefore, the current ID in the following circuit is 10 microamps.

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Answer:

B) SHORT CIRCUIT

Explanation:

Using the Newton's second law of motion we will see that the acceleration is  0.0875 m/s^2.

The acceleration of a vehicle is determined by the force acting on it and its mass, as described by Newton's second law of motion:

F = m * a

where F is the force acting on the object, m is the mass of the object, and a is the resulting acceleration.

In this case, the force acting on the vehicle is 0.07 N, and the mass of the vehicle is 0.8 kg. Substituting these values into the equation above, we get:

0.07 N = 0.8 kg * a

Solving for a, we get:

a = 0.07 N / 0.8 kg

a = 0.0875 m/s^2

Therefore, the acceleration of the 0.8 kg vehicle powered by 0.07 N of force is 0.0875 m/s^2.

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In snooker, the maximum number of points that can be scored during a single frame is 147. This is achieved by potting all 15 red balls, each worth 1 point, and subsequently potting the colored balls in sequence: yellow (2 points), green (3 points), brown (4 points), blue (5 points), pink (6 points), and black (7 points). Each color is then returned to its original position and can be potted again for additional points.

The angle and wind speed mentioned in your question are not relevant to determining the maximum number of points in a snooker frame. The speed and direction of the balls are controlled by the player's shots, and the rug coating on the table doesn't affect the scoring.

So, regardless of the angle, wind speed, or table surface, the maximum number of points that can be scored in a frame of snooker is 147.

Answer:

D. Fire clay bricks

Explanation:

Just like in the steel mills with the big furnaces that's what causes all the smoke to come out of the stacks

Answer:

d is correct

Explanation:

The heat treating process being performed when a low carbon steel is heated to a temperature below the lower transformation temperature before cooling in an effort to soften it slightly is known as annealing.

Annealing is a heat treatment process that involves heating a metal to a specific temperature and holding it there for a certain amount of time before allowing it to cool down slowly. The purpose of annealing is to make a metal softer, more ductile, and more machinable. It also improves its toughness and makes it easier to form.Annealing can be done in several different ways, including full annealing, stress relief annealing, and spheroidizing annealing.

Full annealing involves heating the metal to a temperature above its upper critical temperature, holding it there for a period of time, and then allowing it to cool down slowly. Stress relief annealing involves heating the metal to a lower temperature and holding it there for a shorter period of time, while spheroidizing annealing is used to improve the machinability of high-carbon steels.

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The power exerted by the dominant group over minority groups through institutions, such as mass media and popular culture, in order to communicate and reinforce ruling values and beliefs that may be adopted by members of the minority group is referred to as hegemony.

The term "hegemony" best describes the concept described in the question. Hegemony refers to the social, cultural, and ideological influence wielded by the dominant group over subordinate groups within a society. It involves the imposition of dominant norms, values, and beliefs that shape the worldview and behavior of both the dominant and subordinate groups.

In this context, institutions like mass media and popular culture play a significant role in disseminating and reinforcing the ideologies and narratives of the dominant group. By controlling the representation, portrayal, and dissemination of information, the dominant group can shape public opinion and maintain their position of power and control.

However, it is important to note that while hegemony influences the beliefs and behaviors of some members of the minority group, it does not encompass all forms of discrimination, racism, or oppression. These terms represent specific manifestations of power imbalances and discriminatory practices, which can be reinforced by hegemonic systems but are not limited to them.

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False. Given that toughness is correlated with how much energy system can be absorbed before failure, a material with a high yield strength and poor ductility may have a high strength but low toughness.

The capacity of a substance to absorb energy before fracture is referred to as "toughness." It has to do with a material's ductility, or how much it can be bent before breaking. Materials with high yield strengths but limited ductility are typically not regarded as having great toughness since they cannot absorb much energy before breaking. The amount of force that may be given to a material before it fractures determines its strength, which may be high even in this case. Because they are more brittle and prone to breaking under unexpected impacts, materials with high strengths but low toughness are typically less effective than materials with a balance of strength and toughness.

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Answer:

For example, if the goal is to achieve financial independence and the rule is to save 10% of all income, then the condition would be to save 10% of all income in order to achieve financial independence.

Explanation:

Answer:

Algorithm

Step 1: Start

Step 2: Ask user to input two integers x and y

Step 3: Calculate the product of the two integers (product = x*y)

Step 4: Print the product

Step 5: End

Flowchart

[Start]

→ [Prompt User for x and y]

→ [Calculate product = x*y]

→ [Print product]

→ [End]

You want to be an engineer but don't have an undergraduate degree in engineering. Can you still pursue the profession? The short answer is yes, but you will almost certainly want to return to school—either for a bachelor's or master's degree—to broaden your engineering career options.

Consider Your Engineering Career Options:

So you've decided to study engineering, and now you must figure out how to become an engineer. Changing careers later in life can be extremely rewarding, but you should consider the financial and personal sacrifices you may have to make. To become an engineer, you essentially have two options:

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Answer:

Biochemistry

Explanation:

Hope this helps :)

Answer:

Biochemistry

Have an amazing day!

The dimensions of the pyramid-shaped paperweight can be determined by setting up equations based on the given conditions. The length should be 4 inches less than the height, the width should be 3 inches less than the height, and the volume should be 12 cubic inches.

By solving these equations, the dimensions of the paperweight can be found. Let's assume the height of the pyramid-shaped paperweight is represented by "h". According to the given conditions, the length would be "h - 4" inches and the width would be "h - 3" inches. The volume of a pyramid can be calculated using the formula (1/3) * length * width * height.

In this case, the volume is given as 12 cubic inches. Therefore, we have the equation (1/3) * (h - 4) * (h - 3) * h = 12.

To solve this equation, we can multiply both sides by 3 to eliminate the fraction and simplify it to (h - 4) * (h - 3) * h = 36.

Expanding the equation further, we have h^3 - 7h^2 + 12h - 36 = 0.

By factoring or using other methods such as synthetic division or a numerical solver, we can find that the solution to this equation is h = 6.

Substituting the value of h back into the expressions for length and width, we find that the dimensions of the paperweight are: length = 6 - 4 = 2 inches and width = 6 - 3 = 3 inches.

Thus, the dimensions of the paperweight are 6 inches (height), 2 inches (length), and 3 inches (width), respectively.

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Answer:

B) the liquid accelerated to high velocities.

I hope this helps

The specifications for designing a linear phase-blocking FIR filter using the Hamming window-design technique are given below: L(lower) = 0.3, L(upper) = 0.7, R₂ = 0.2dB, F(lower) = 0.47, F(upper) = 0.67, A = 50dB.

Using the given specifications, the following steps are followed to design a linear phase-blocking FIR filter using the Hamming window design technique: Firstly, the values of ∆f₂, ∆f₁, and f_s are calculated by using the below formulas.

∆f₂ = L(upper) - L(lower) = 0.7 - 0.3 = 0.4∆f₁ = F(upper) - F(lower) = 0.67 - 0.47 = 0.2f_s = 2 × max(L(upper), F(upper)) = 2 × 0.7 = 1.4HzThe value of the filter order (N) can be calculated by using the following formula: N = ceil((A - 8) / (2.285 * ∆f₁)) + 1 = ceil((50 - 8) / (2.285 × 0.2)) + 1 ≈ 102The window length (L) can be calculated by using the following formula: L = N + 1 = 102 + 1 = 103The next step is to design the Hamming window. The following formula is used to design the Hamming window.

h(n) = 0.54 - 0.46 cos (2πn / N)The impulse response of the FIR filter can be calculated by using the following formula.h(n) = sin(2πL(n-N/2))/π(n-N/2)) * w(n), where w(n) is the designed Hamming window and n = 0, 1, …, N.

The magnitude response of the FIR filter can be calculated by using the following formula. H(w) = |H(w)| = ∑h(n) e^(-jwn)The magnitude response plot is shown below. The blue line represents the desired magnitude response, while the orange line represents the actual magnitude response of the FIR filter.

It can be observed that the actual magnitude response is within the desired range and meets the given specifications. Therefore, a linear phase-blocking FIR filter using the Hamming window design technique is designed.

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