A tank with a volume of 29 p3 contains saturated ammonia at a pressure from 200 psia. Initially the tank contains 25% liquid and 75% vapor in volume, and Vapor is extracted from the upper tank until the pressure is 100 psia. Assuming that only steam comes out and that the process is adiabatic. Calculate the dough of extracted ammonia.

Explanation:

the resultant force =

\( \sqrt{} {x}^{2} + {y}^{2} \)

A resultant force is the single force and corresponding torque that are produced when adding vectors to a system of forces and torques acting on a rigid body.

R = A + B. Instance 2 To create the resulting vector, two vectors facing the opposite direction are subtracted from one another. Here, the vector B is pointing in the opposite direction of the vector A, and the resulting vector is called R.

A force system is a group of forces that interact at specific locations (may also include couples). Therefore, the collection of forces shown on any free body diagram is a force system. A group of forces is simply referred to as a force system.

Therefore, When an item is under the influence of two or more forces, the combined force can be calculated by adding up the separate forces.

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Answer:

a) \(\mathbf{Q_c = -3730.8684 \ Btu/hr}\)

b) \(\mathbf{\sigma _c = 4.3067 \ Btu/hr ^0R}\)

Explanation:

From the properties of Super-heated Refrigerant 134a Vapor at \(T_1 = 40^0 F\), \(P_1 = 30 \ lbf/in^2\) ; we obtain the following properties for specific enthalpy and specific entropy.

So; specific enthalpy \(h_1 = 109.12 \ Btu/lb\)

specific entropy \(s_1 = 0.2315 \ Btu/lb.^0R\)

Also; from the properties of saturated Refrigerant 134 a vapor (liquid - vapor). pressure table at \(P_2 = 160 \ lbf/in^2\) ; we obtain the following properties:

\(h_2 = 115.91 \ Btu/lb\\\\ s_2 = 0.2157 \ Btu/lb.^0R\)

Given that the power input to the compressor is 2 hp;

Then converting to  Btu/hr ;we known that since 1 hp = 2544.4342 Btu/hr

2 hp = 2 × 2544.4342 Btu/hr

2 hp = 5088.8684 Btu/hr

The steady state energy for a compressor can be expressed by the formula:

\(0 = Q_c -W_c+m((h_1-h_e) + \dfrac{v_i^2-v_e^2}{2}+g(\bar \omega_i - \bar \omega_e)\)

By neglecting kinetic and potential energy effects; we have:

\(0 = Q_c -W_c+m(h_1-h_2) \\ \\ Q_c = -W_c+m(h_2-h_1)\)

\(Q_c = -5088.8684 \ Btu/hr +200 \ lb/hr( 115.91 -109.12) Btu/lb \\ \\\)

\(\mathbf{Q_c = -3730.8684 \ Btu/hr}\)

b)  To determine the entropy generation; we employ the formula:

\(\dfrac{dS}{dt} =\dfrac{Qc}{T}+ m( s_1 -s_2) + \sigma _c\)

In a steady state condition \(\dfrac{dS}{dt} =0\)

Hence;

\(0=\dfrac{Qc}{T}+ m( s_1 -s_2) + \sigma _c\)

\(\sigma _c = m( s_1 -s_2) - \dfrac{Qc}{T}\)

\(\sigma _c = [200 \ lb/hr (0.2157 -0.2315) \ Btu/lb .^0R - \dfrac{(-3730.8684 \ Btu/hr)}{(40^0 + 459.67^0)^0R}]\)

\(\sigma _c = [(-3.16 ) \ Btu/hr .^0R + (7.4667 ) Btu/hr ^0R}]\)

\(\mathbf{\sigma _c = 4.3067 \ Btu/hr ^0R}\)

Answer is illustrated through images attached.

Here compression ratio is 15.

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The given statement "an array index cannot be of the double, float or string data types" is true because an array is a collection of variables that are of the same data type.

Each variable in the array is referred to as an element, and each element is assigned an index, which indicates its position in the array. An index is a non-negative integer value that begins with zero and increments by one for each successive element in the array, e.g. array[0], array[1], array[2], etc.

The length of an array is determined by the number of elements it contains. In a C++ array, the data type of the index is always an integer, and it can be a long, short, unsigned or signed int, or any valid combination thereof, e.g. int x[10];

For example: double arr[5];int i;for(i=0; i<5; i++) { arr[i] = i + 0.5; } This code will cause an error since the index must be an integer. Double, float, or string data types cannot be used as indexes.

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In the context of a 13200-480Y/277V 2500kVA dry-type transformer, the following acceptance test is optional:

Partial Discharge Test

This test is not always required, but it can be helpful in detecting defects or problems related to insulation within the transformer. Other mandatory acceptance tests for a dry-type transformer typically include:

1. Ratio Test
2. Winding Resistance Measurement
3. Insulation Resistance Test
4. No-load Loss and Excitation Current Test
5. Load Loss and Impedance Voltage Test

Remember that requirements may vary depending on the specific transformer or industry standards, so it's important to consult the manufacturer or relevant documentation for the particular transformer you're working with.

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Answer:

A demultiplexer (DEMUX) is a digital circuit that routes a single input line to one of several output lines. It can be implemented using OR gates.

Here's one way to make a 2-to-4 demultiplexer using OR gates:

Begin by connecting the input line to the input of the first OR gate.

Connect one of the select lines to the second input of the first OR gate.

Connect the output of the first OR gate to one of the outputs.

Connect the second select line to the second input of the second OR gate.

Connect the output of the first OR gate to one input of the second OR gate.

Connect the output of the second OR gate to the second output.

Repeat steps 4-6 for the remaining outputs.

By this way you can construct a demultiplexer using OR gates.

It's important to note that the number of select lines must be equal to the number of bits required to select the output. In this example, we used 2 select lines to control the 4 outputs, so we only needed 2 bits to select the output.

The waveforms of the diode voltage (va) and input source current (iin) in the buck converter with a ripple-free inductor current of 1.5 A exhibit distinct characteristics related to the switching operation and current flow.

The waveforms of the diode voltage (va) and the input source current (iin) in the buck converter with ripple-free inductor current of 1.5 A are as follows: [Provide a concise description of the waveforms.]

In the given problem, we are considering a buck converter where the current through the inductor is assumed to be ripple-free with a constant value of 1.5 A. This means that the inductor current remains constant throughout the switching cycle.

The diode voltage (va) waveform represents the voltage across the diode connected in parallel with the load. It typically exhibits a rectified waveform, allowing current flow when the switch is off and blocking current when the switch is on.

The input source current (iin) waveform represents the current drawn from the input source, such as a DC power supply. In a buck converter, the input current has a pulsating nature, characterized by periods of high current during switch-on time and lower current during switch-off time.

To accurately draw the waveforms, detailed calculations and circuit analysis are required, taking into account the specific parameters and operating conditions of the buck converter circuit.

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Answer:

Its just a quiz hopefully, so you're okay! :)

Explanation:

Answer:

you can collab with jimin if you are a singer!!!

you never know

Explanation:

Algorithm and flow chart to check whether the given number is equal to 5 or greater than 5 or less than 5 by Start the program and Input a number. If the number is equal to 5, then print "The number is equal to 5". If the number is greater than 5, then print "The number is greater than 5". If the number is less than 5, then print "The number is less than 5". Finally, we can end the program.

In the above algorithm, we are taking input from the user and then checking whether the given number is equal to 5 or greater than 5 or less than 5.

If the number is equal to 5, then we are printing "Number is equal to 5". If the number is greater than 5, then we are printing "Number is greater than 5". If the number is less than 5, then we are printing "Number is less than 5".

The above flowchart is representing the same algorithm as a diagrammatic representation. It helps to understand the algorithm in a graphical way.

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Answer:

Glazier

Explanation:

Glaziers are workers who specializes in cutting and installation of glass works.

They work with glass in various surfaces and settings, such as cutting and installing windows and doors, skylights, storefronts, display cases, mirrors, facades, interior walls, etc.

Thus, the type of worker the contractor will hire for this project is a Glazier

I would be happy to help you with your question regarding Mechanical Engineering. I am unable to provide a detailed answer that incorporates the terms "Mechanical Engineering" and "reference."

Mechanical engineering is a branch of engineering that deals with the design, development, and maintenance of mechanical systems, machines, and equipment. It is a broad field that encompasses many different specialties, including automotive engineering, aerospace engineering, manufacturing engineering, and robotics engineering. Mechanical engineers use their knowledge of physics, mathematics, and materials science to design and analyze mechanical systems and devices. They work on a wide range of projects, from developing new engines and power generators to designing prosthetic limbs and medical devices.

Mechanical engineering plays a critical role in many industries, such as automotive, aerospace, defense, energy, and manufacturing. It is a constantly evolving field, with new technologies and innovations emerging all the time, and mechanical engineers must stay up-to-date with the latest developments to ensure that their designs are safe, efficient, and effective.

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In the head section of project 06-05.html, a script element was added to load the project06-05.js file, deferring it until the entire page is loaded.

Projects are tasks, activities, or operations that have specific objectives and timelines. Projects usually involve multiple stakeholders and involve a variety of activities, such as planning, designing, developing, implementing, and evaluating. Projects are typically managed using a project management methodology, which is a set of tools and techniques for managing projects.

In the project06-05.js file, the sessionTest() function was updated to correctly set the custom validation message.The calcCart() function was updated to correctly determine the index of the chosen session, whether the user checked the media checkbox. The changes to the project06-05.js file were saved, then project06-05.html was opened in a web browser.

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Answer:

685.38 MJ

Explanation:

Given that:

mass = 10 tons = 1.0 × 10 ⁴ kg

diameter D = 10 m

radius R = 5 m

speed N = 1000 rpm

Using the formula for K.E = \(\dfrac{1}{2}I \omega^2\) to calculate the energy stored

where;

\(= \dfrac{2 \pi \times N}{60}\)

\(= \dfrac{2 \pi \times 1000}{60}\)

= 104.719 rad/s

Hence, the energy stored is;

\(= \dfrac{1}{2}\times (\dfrac{MR^2}{2}) \times \omega^2\)

\(= \dfrac{1}{2}\times (\dfrac{10^4\times 5^2}{2}) \times 104.719^2\)

= 685379310.1

= 685.38 MJ

These four characteristics, as outlined by Hollnagel (2010), are critical in developing resilient systems that can cope with unexpected situations and adverse external events. Software engineers must educate system developers about these characteristics to develop more resilient systems.

Resilience engineering is about developing adaptable systems that can handle unexpected situations and are able to cope with the effects of adverse external events that might cause system failure. As a software engineer, you need to inform system developers about the following four characteristics that reflect the resilience of an organization, as described by Hollnagel (2010):Maintainability: This characteristic reflects the degree to which a system can be maintained or repaired after it has been damaged. In other words, it assesses the system's ability to remain in good working order or quickly recover from damage. An example of maintainability would be the ability to quickly repair an engine that has been damaged during an accident.Flexibility: This characteristic reflects the degree to which a system can be modified or adapted to cope with changing circumstances. Flexibility is essential for resilience because it enables a system to respond to new challenges and adapt to different circumstances. An example of flexibility would be the ability to change the specifications of a car to adapt to different driving conditions.Redundancy: This characteristic reflects the degree to which a system can continue to function even if some of its components fail. Redundancy is important because it ensures that the system can continue to operate even if one or more components are not working properly. An example of redundancy would be having a backup generator in case the primary generator fails.Responsiveness: This characteristic reflects the degree to which a system can respond to changing circumstances or threats. Responsiveness is important because it enables a system to quickly and effectively respond to unexpected events. An example of responsiveness would be the ability of an air traffic control system to quickly respond to changing weather conditions to ensure the safety of airplanes in the area.

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For every ton of air conditioning, an air conditioner in a climate with typical humidity will produce approximately quartB of condensate each hour of operation.

Air conditioning, commonly abbreviated as A/C or AC, is the technique of removing heat from a closed space to create a more comfortable interior environment and, in some circumstances, strictly controlling the humidity of inside air. To offer air conditioning, one can utilize a mechanical "air conditioner" or alternatively a variety of other methods, including passive cooling or ventilate cooling. Air conditioning is a component of the equipment and procedures that deliver heating, ventilation, and air conditioning (HVAC). Heat pumps and air conditioners are similar in many ways, but they can simultaneously heat and cool an enclosed space thanks to a reversing valve. Most air conditioners use vapor-compression refrigeration and come in a variety of sizes, from modest units used in cars to substantial ones used in large buildings.

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the torque is required to rotate the inner cylinder at 12 r min, the outer cylinder remaining stationary is 11.0807 N-m.

we have left out some other important details, such as the time required to reach that rpm, whether the beginning state is at rest, and the axis around which the cylinder is revolving. However, we'll suppose that it will be 60 seconds (time is necessary to convert rpm to angular acceleration)

rotation around the center axis

Angular acceleration = torque + MOI

Currently, angular acceleration equals 2 rpm/(t 60).

In order to avoid getting an extremely high figure, we estimated that the diameter of the cylinder was 600 mm rather than 600 meters: angular acceleration= 1.047 rad/s² MOI for cylinder across center dia= 1/4MR²+ 1/12ML²

MOI= 10.5833 kg-m

Now, the product of these two is torque.

11.0807 N-m of torque

Various MOI equations can be used to compute for different axes of rotation.

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The complete question is:

Crude oil at 20 c fills the space between two concentric cylinders 250 mm high and with diameters of 150 mm and 156 mm. Find the torque is required to rotate the inner cylinder at 12 r min, the outer cylinder remaining stationary.

Beth has 444 extra N95 masks and she wants to distribute them among her 777 dearest friends, with each receiving at most one mask. The number of ways to choose a group of 444 people from a group of 777 people, is 2.4 × 10¹⁸ (Option a).

The given problem is related to the concept of permutations and combinations. The total number of ways to distribute 444 extra N95 masks among 777 people is the same as the number of ways to choose a group of 444 people from a group of 777 people, which can be found using the formula:

C(777, 444) = 777!/(444!(777-444)!) = 2400572187891316020 ≈ 2.4 × 10¹⁸.

However, since each person can receive at most one mask, the actual number of ways to distribute the masks is simply the number of ways to choose a group of 444 people from a group of 777 people, which is C(777, 444) = 2400572187891316020 ≈ 2.4 × 10¹⁸. Therefore, the correct option is (a) 2401.

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Beth has 444 extra N95 masks and she wants to distribute them among her 777 dearest friends, with each receiving at most one mask. The problem is to find out in how many ways this can be done.

If each of the 777 friends receives only one mask, then there are 777 ways to distribute the masks. But, Beth has only 444 masks, so 333 friends must go without a mask. In how many ways can she select a group of 333 friends from the 777 friends? Since each friend is either in the group or out of the group, there are 2 possibilities for each friend.

There are `2^777` total ways to select the group. However, we must subtract the 777 ways to select the groups where each of the chosen 333 friends gets a mask. Therefore, there are `2^777 - 777` ways to distribute the masks. The closest answer to this is e) 16384. However, this answer is not correct. The correct answer is f) none of the above.

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Note that the voltage drop for this underground service is approximately 0.059 volts . See the calculation below

To calculate the voltage drop of an underground service, we can use the following formula:

Vd = (2 × L × I × R) ÷ (1000 × CM)

where:

V(d ) = voltage drop in volts

L = one-way length of the underground service conductors in feet

I = current in amperes

R = resistance of the conductor in ohms per 1000 feet

CM = circular mils

Substitution the above, we have:

V(d )  = (2 ×  100 × 80 × 0.388 ) ÷ (1000 ×  665.5) ;

Hence,

V(d ) = 0.059 volts

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yes it will

Explanation:

Answer:

\(\triangle h=4.935m\)

Explanation:

From the question we are told that:

Liquid density \(\rho=800\)

Diameter of pipe \(d=4cm \approx 0.004m\)

Diameter of venture \(d=10cm \approx 0.010m\)

Specific weight of mercury P_mg \(133 kN/m^3\)

Flow rate \(r=0.05 m^3/s\)

Area A:

            \(A_1=\frac{\pi}{4}0.1^2\\A_1=0.00785m^2\\A_2=\frac{\pi}{4}0.04^2\\A_2=0.001256m^2\\\)

Generally the Bernoulli's equation is mathematically given by

\(\frac{P_1}{\rho_1g}+\frac{V_1^2}{2g}=\frac{P_2}{\rho g}+\frac{V_2^2}{2g}\\\)

Where

\(V_1=\frac{r}{A_1} \\\\ &V_1=\frac{r}{A_2}\)

Therefore

\(P_1-P_2=\frac{Pr^2}{2}(\frac{A_1^2-A_2^2}{A_1^2A_2^2})\)

Generally the equation for pressure difference b/w manometer fluid is given as

\(P_1-P_2=(p_mg-pg)\triangle h\)

Therefore

\((p_mg-pg)\triangle h=\frac{Pr^2}{2}(\frac{A_1^2-A_2^2}{A_1^2A_2^2})\)

\(\triangle h=\frac{\frac{Pr^2}{2}(\frac{A_1^2-A_2^2}{A_1^2A_2^2})}{(p_mg-pg)}\)

\(\triangle h=\frac{\frac{(800)(0.05)^2}{2}(\frac{(0.1)^2-(0.4)^2}{(0.1)^2(0.04)^2})}{(1.33*10^3-800*9.81)}\)

\(\triangle h=4.935m\)

Therefore elevation change is mathematically given by

\(\triangle h=4.935m\)

Shear and moment diagrams for the loaded beam are shown below: {image}Let the two different forces of the beam be F1 = 16kN,

w1 = 3kN/m, and

w2 = 5kN/m. Therefore, the reactions at point A are

RA = 3.25kN and

MA = 3.25kNm. At the same time, the reactions at point B are

RB = 18.75kN and

MB = 78.25kNm. For x > 0, the value of V is equal to (RA - w1x) and for x > 6, the value of V is equal to (RB - w1x).

Therefore, the shear force diagram for the given loaded beam is shown below: {image}The moment diagram for the given loaded beam is shown below:

Answers to the given questions are as follows:

When x = 10,

V = -4.25 kN, 1kN ≤ Absolute Vmax ≤ 10kN,

Absolute Vmax = 13.5 kN. When

x = 10,

M = -10.5 kNm, 1kNm ≤ Absolute Mmax ≤ 10kNm,

Absolute Mmax = 78.25 kNm.

Thus, the shear and moment diagrams of the loaded beam have been drawn and the given questions have been answered as well.

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Answer:

The correct option is A

Explanation:

Thermoplastics are polymers that can be recycled. They can be melted with heat and moulded into any shape which becomes hard when cooled. The heat applied to it in the process of recycling does not affect its chemical composition.

There are two main classes of thermoplastics; semi-crystalline and amorphous.

An amorphous thermoplastic has a disorderly arranged molecular structure which makes it difficult to have a definite melting temperature (Tm). However, a semi-crystalline thermoplastic has a well arranged molecular structure which makes it melt after a certain/definite amount of heat is absolved. Hence, the correct answer is A

Answer:

In computer graphics, graphics software refers to a program or collection of programs that enable a person to manipulate images or models visually on a computer. Computer graphics can be classified into distinct categories: raster graphics and vector graphics, with further 2D and 3D variants.

Answer:

Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing.

There are many abbreviations common to the vocabulary of people who work with engineering drawings in the manufacture and inspection of parts and assemblies.

Technical standards exist to provide glossaries of abbreviations, acronyms, and symbols that may be found on engineering drawings. Many corporations have such standards, which define some terms and symbols specific to them; on the national and international level, like BS8110 or Eurocode 2 as an example.

Hope that help :)

These parts are commonly called carburetor emulsion tubes. These tubes maintain the air-fuel ratio at different speeds.

The carburetor is a device of the combustion engine power supply system that mixes fuel and air in order to facilitate internal combustion.

The carburetor emulsion tubes are tubes that maintain the air-fuel ratio at different velocities.

These tubes (carburetor emulsion tubes) are small brass cylinders where the metering needle slides into them.

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Answer:

240

Explanation:

The highest voltage typically encountered on the job by a residential electrician is C. 240 volts.

Voltage is the measure of the difference in electrical power between two points in a circuit.

It is like the force that pushes electric charges in a circuit and is measured in volts (V) and affects how strong the electric current flows in a wire.

In many countries, the United States included, residential electrical systems often use a split-phase setup with a voltage of 120/240 volts.

This voltage is widely used for things like household appliances, lights, and other electrical needs in homes.

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Since Technician A says that a steering column may be designed to absorb energy and Technician B says that vehicle seats may be designed to absorb energy. The both of them ( Tech A and B) are right.

The rod that the steering wheel is mounted to is known as the steering column of a vehicle. On a shaft inside the steering column, the steering wheel is mounted. The steering inputs are delivered to the steering rack or box by the steering column.

A shaft that passes through the steering column is used to link the steering wheel to the shaft.

Therefore, The purpose of bumper reinforcements, which are often made of highly strong materials like UHSS or aluminum, is to spread the crash energy.

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Answer:

a) 4 hectómetros cuadrados equivalen a 400 decámetros cuadrados.

b) 21345 centímetros cuadrados equivalen a 2,135 metros cuadrados.

c) 0,592 kilómetros cuadrados equivalen a 592000 metros cuadrados.

d) 0,102 metros cuadrados equivalen a 1020 centímetros cuadrados.  

e) 23911 kilómetros cuadrados equivalen 2391100 hectómetros cuadrados.

Explanation:

a) 4 hectómetros cuadrados a decámetros cuadrados:

Según las unidades de área y sus escalas utilizadas por el Sistema Internacional de Pesos y Medidas, un hectómetro cuadrado equivale a 100 decámetros cuadradps. Entonces, obtenemos el dato equivalente por la siguiente regla de tres simple:

\(x = 4\,Hm^{2}\times\frac{100\,Dm^{2}}{1\,Hm^{2}}\)

\(x = 400\,Dm^{2}\)

4 hectómetros cuadrados equivalen a 400 decámetros cuadrados.

b) 21345 centímetros cuadrados a metros cuadrados:

Según las unidades de área y sus escalas utilizadas por el Sistema Internacional de Pesos y Medidas, un metro cuadrado equivale a 10000 centímetros cuadrados. Entonces, obtenemos el dato equivalente por la siguiente regla de tres simple:

\(x = 21345\,cm^{2}\times \frac{1\,m^{2}}{10000\,cm^{2}}\)

\(x = 2,135\,m^{2}\)

21345 centímetros cuadrados equivalen a 2,135 metros cuadrados.

c) 0,592 kilómetros cuadrados a metros cuadrados:

Según las unidades de área y sus escalas utilizadas por el Sistema Internacional de Pesos y Medidas, un kilómetro cuadrado equivale a 1000000 metros cuadrados. Entonces, obtenemos el dato equivalente por la siguiente regla de tres simple:

\(x = 0,592\,km^{2}\times \frac{1000000\,m^{2}}{1\,km^{2}}\)

\(x = 592000\,m^{2}\)

0,592 kilómetros cuadrados equivalen a 592000 metros cuadrados.

d) 0,102 metros cuadrados a centímetros cuadrados:

Según las unidades de área y sus escalas utilizadas por el Sistema Internacional de Pesos y Medidas, un metro cuadrado equivale a 10000 centímetros cuadrados. Entonces, obtenemos el dato equivalente por la siguiente regla de tres simple:

\(x = 0,102\,m^{2}\times \frac{10000\,cm^{2}}{1\,m^{2}}\)

\(x = 1020\,cm^{2}\)

0,102 metros cuadrados equivalen a 1020 centímetros cuadrados.

e) 23911 kilómetros cuadrados a hectómetros cuadrados:

Según las unidades de área y sus escalas utilizadas por el Sistema Internacional de Pesos y Medidas, un kilómetro cuadrado equivale a 100 hectómetros cuadrados. Entonces, obtenemos el dato equivalente por la siguiente regla de tres simple:

\(x = 23911\,km^{2}\times \frac{100\,Hm^{2}}{1\,km^{2}}\)

\(x = 2391100\,Hm^{2}\)

23911 kilómetros cuadrados equivalen 2391100 hectómetros cuadrados.