A turbojet engine is in an airplane flying at 430 km/h . The mass flow rate of air entering the compressor is 13.5 kg/s and the mass flow rate of fuel is 0.13 kg/s. The effective velocity of the air entering the inlet is equal to the airplane's velocity, and the exhaust velocity (relative to the airplane) is 530 m/s . What is the thrust of the engine

Answer:

490000 dollars

Explanation:

Data and insight is the component of the enterprise platform will help the company capture customer information.

These are the data and knowledge gotten from analysis of customer's information in a business.

This enterprise platform is very important as it helps the organization to improve their services

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When going down a long downgrade, snubbing the brakes is not an acceptable method of slowing down. The process of snubbing the brakes means that the driver touches the brakes for a few seconds before releasing them and allowing the vehicle to gain speed again.

Braking in this manner generates excessive heat and can cause the brake system to overheat and fail. Snubbing the brakes should be avoided at all costs because it places a significant strain on the brake system. Using the engine to help control speed is a safer method of descent control. To properly use the brakes when descending a long downgrade, one must select an appropriate gear before beginning the descent, use the brake pedals lightly and briefly to achieve the desired speed, and then release the pedals and rely on the engine brake for the rest of the descent. If the vehicle gains too much speed, the brake pedal should be used in brief, steady applications to slow it down to the desired speed. When driving, the driver should always be aware of their surroundings and be prepared to use the brakes in the event of an emergency.

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False.

The statement "all very good airmen do bench tests".

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False.

The voltage through a resistor with current i(t) in the s-domain is simply Ri(s), where R is the resistance value of the resistor. In the s-domain, the relationship between voltage and current through a resistor can be expressed using Ohm's law as V(s) = I(s)R.

Therefore, the voltage across a resistor in the s-domain is proportional to the current through it, with the proportionality constant being the resistance value. It's important to note that this relationship only holds true for resistive elements in linear circuits. Non-linear circuit elements such as diodes and transistors have much more complex voltage-current relationships that cannot be described using a simple linear equation.

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Answer:

The answer is B) False

The data provided by a military satellite are:

A military satellite are known to be a kind of an artificial satellite that is said to be made just for a military reasons.

Note that the most popular missions that they are known to be used for are:

Therefore, saying that the data provided by a military satellite are the above aforementioned  are correct.

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Solution :

The treatment system will operate as the well mixed chamber.

Disinfection rate constant for the UV light, k is 7.80 /s. Number of bacteria in water need to be reduced by 99.9%

Percent reduction of bacteria should be \($(1-10^{0.99}) \times 100 =89.7\%$\)

Volume of the unit chamber is fixed at 2L

Assume the inlet concentration, \($C_0$\) as 1000

The outlet concentration of bacteria, C should be \($1000-\left(1000 \times \frac{89.7}{100}\right)$\)

                                                                                  = 103

The well mixed chamber will then follow a completely mixed flow reactor model.

Compute the time required :

\($t=\frac{1}{k}\left(\frac{C_0}{C}-1\right)$\)

\($t=\frac{1}{7.8}\left(\frac{1000}{103}-1\right)$\)

  = 1.115 s

Flow through the system is    \($\frac{2 \ L}{1.115 \ s}$\)  = 1.79 L/s

The amount of water treated during the 10 hours of sunlight is 1.79 x 10 x 60 x 60 = 64440 L

I don't know

Explanation:

cfffffffffggg

Hai!

Please name what kind of Script your Using then I would love to help.

Java

C

C#

C++

Lua

JavaScript

HTML

Python

the maximum height h to which the the water steam could rise is 40.65m.

/ρg + /2g +  = /ρg + /2g +

/ρg +  = /ρg +

= ( - )/ρg +

Substituting values into  we have,

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To enable high and low level testing of industrial data network systems, skills such as proficiency with industrial standard equipment and implementation of accredited testing methods are crucial.

These skills encompass knowledge of network protocols, configuration, and troubleshooting techniques necessary to conduct comprehensive testing of industrial data network systems. Utilizing industrial standard equipment ensures compatibility and accuracy in testing, while implementing accredited testing methods guarantees adherence to recognized industry standards and best practices.

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The hypothesis for the above situation is: "If the power settings are too high, and if they timer is too short, then there will be too many unpopped kernels and burnt kernels."

The variables that can be tested are:

A hypothesis is an explanation provided for a phenomena. The scientific method demands that a hypothesis be testable in order for it to be considered a scientific hypothesis.

Scientists often establish scientific hypotheses on past data that cannot be adequately explained by existing scientific ideas.

A hypothesis allows researchers to not only find but also forecast a link between variables based on theoretical principles and/or actual data.

Creating a hypothesis necessitates a thorough comprehension of the study issue as well as a thorough assessment of prior literature.

A decent rule of thumb for a concise and direct hypothesis statement is to restrict it to twenty words or fewer.

A testable hypothesis is an effective hypothesis. In other words, students must ensure that their hypothesis includes information about what they want to accomplish and how they intend to execute it.

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The statement predicts that half the land will return to pre-construction conditions, while the other half of the land will not because half the land is underwater, meaning that the environmental impact will be lessened. The correct option is b.

Pre-construction is when hazards connected with the project are carefully evaluated and planned to be minimized.

This includes assessing the construction site, determining the need for permits and inspections, and addressing any other unique circumstances that may arise before or during construction.

Therefore, the correct option is B.

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Atorvastatin with metformin may have potential effects on the natural history of prostate cancer by influencing molecular, metabolomic, imaging, and pathological variables. However, further research is needed to fully understand the extent and mechanism of these changes.

It is important to note that both atorvastatin and metformin have been studied individually for their potential anticancer effects, including in prostate cancer.

Atorvastatin, a statin medication, has shown some promising results in preclinical studies by inhibiting cancer cell growth and promoting cancer cell death. Metformin, an oral diabetes medication, has also demonstrated potential anticancer effects through various mechanisms. However, the specific impact of using atorvastatin with metformin on the natural history of prostate cancer, characterized by molecular, metabolomic, imaging, and pathological variables, requires more investigation.

while atorvastatin with metformin may have the potential to change the natural history of prostate cancer, more research is needed to understand its full impact on the disease.

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Answer:

This is an example of the conduction of electricity through metal. Free moving electrons on the car will conduct a electric field when a voltage is applied to the car;  in this case the transmission line, and would flow through the metal to the door handle causing electrocution.

In Excel, to build a dashboard we need to add a tab and label it as Dashboard. Then, we set a gray background and copy-paste the three pivot charts we have built in the previous steps. Also, we insert slicers for Employee Last Name and Region.

We ensure these slicers dynamically interact with all three charts by selecting each slicer, right mouse clicking, choosing report connections, and selecting the appropriate check boxes. Finally, we test the dashboard to ensure that all of the charts interact with the slicers and when we drill down into the region and employee last names we see the corresponding pivot tables dynamically update as well.The steps to build a dashboard in Excel are as follows:

Step 1: Add a tab and label it as Dashboard

Step 2: Set the gray background

Step 3: Copy-paste the three pivot charts we have built in the previous steps

Step 4: Insert slicers for Employee Last Name and Region

Step 5: Ensure these slicers dynamically interact with all three charts by selecting each slicer, right mouse clicking, choosing report connections and selecting the appropriate check boxes

Step 6: Test the dashboard to ensure that all of the charts interact with the slicers

Step 7: When we drill down into the region and employee last names we see the corresponding pivot tables dynamically update as well.To create a dynamic dashboard, it is important to choose the correct chart types, slicers, and chart sizes and locations. Slicers are used to filter the data in the pivot tables and charts. Charts in Excel can be easily resized, formatted, and customized to make it more attractive and informative to users.To ensure that all of the charts interact with the slicers, we should select each slicer and check if the charts are changing accordingly. Finally, we need to test the dashboard to ensure that it is working as expected.

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The given statement "the heavier the current flow for a given voltage, the larger the value for admittance." is true because admittance is the measure of how easily current flows through a circuit, so if the current flow is heavier for a given voltage, it means there is less resistance and therefore a larger value for admittance.

The admittance is a measure of how easily a circuit can conduct an alternating current (AC). It is the reciprocal of impedance and is measured in siemens (S) or mhos.

The heavier the current flow for a given voltage, the lower the value for impedance, and therefore, the higher the value for admittance. This is because a higher current flow indicates less opposition to the flow of current, which results in lower impedance and higher admittance. Therefore, the statement "the heavier the current flow for a given voltage, the larger the value for admittance" is false.

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I inferred you meant emerging technologies we see today.

Explanation:

1. 3D Printing

A three dimensional printing allows a digital model to be printed (constructed) into a physical object.

A box, an industrial design and many more could be printed within minutes.

2. AI voice recognition devices

Another trend in the tech world is the rise in artificial intelligence been used in voice recognition devices that not only recognize one's voice but also take commands from the user.

This technology allows one to listen to the internet, such as listening to music online.

The tech world is ever changing with new technology beyond one's consumption on the increase daily.

Answer:

SECTION LEARNING OBJECTIVES

By the end of this section, you will be able to do the following:

Distinguish between static friction and kinetic friction

Solve problems involving inclined planes

Section Key Terms

kinetic friction static friction

Static Friction and Kinetic Friction

Recall from the previous chapter that friction is a force that opposes motion, and is around us all the time. Friction allows us to move, which you have discovered if you have ever tried to walk on ice.

There are different types of friction—kinetic and static. Kinetic friction acts on an object in motion, while static friction acts on an object or system at rest. The maximum static friction is usually greater than the kinetic friction between the objects.

Imagine, for example, trying to slide a heavy crate across a concrete floor. You may push harder and harder on the crate and not move it at all. This means that the static friction responds to what you do—it increases to be equal to and in the opposite direction of your push. But if you finally push hard enough, the crate seems to slip suddenly and starts to move. Once in motion, it is easier to keep it in motion than it was to get it started because the kinetic friction force is less than the static friction force. If you were to add mass to the crate, (for example, by placing a box on top of it) you would need to push even harder to get it started and also to keep it moving. If, on the other hand, you oiled the concrete you would find it easier to get the crate started and keep it going.

Figure 5.33 shows how friction occurs at the interface between two objects. Magnifying these surfaces shows that they are rough on the microscopic level. So when you push to get an object moving (in this case, a crate), you must raise the object until it can skip along with just the tips of the surface hitting, break off the points, or do both. The harder the surfaces are pushed together (such as if another box is placed on the crate), the more force is needed to move them.

Answer:

yes answer d is correct

Communication Process are actions that create physical solutions to problems. The correct option is d.

Human existence and organisational survival both depend on effective communication. It is a process of generating and disseminating thoughts, facts, opinions, and sentiments from one place, individual, or group to another. The Management function of Directing depends on effective communication.

The sending party, message encoding, channel selection, message receipt by the recipient, and message decoding are all aspects of the communication process.

Feedback is when the recipient communicates something back to the original sender. These procedures are actions that result in tangible fixes for issues.

Thus, the correct option is d.

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The probability that one telephone call passes through the switchboard in three minutes is 1.49%.

Using the Poisson probability formula, we can calculate the probability of exactly one call passing through the switchboard in 3 minutes as follows:

P(X = 1) = (e^(-6) * 6^1) / 1!

Where

6 = 2 per minute * 3 minute

X is the number of calls passing through the switchboard in 3 minutes.

So, we have

P(X = 1) = (e^(-6) * 6^1) / 1!

= (0.00248 * 6) / 1

= 0.0149

Therefore, the probability that one telephone call passes through is approximately 0.0149, or about 1.49%.

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Explanation:

To solve this problem, we can use the formula for compound interest:

A = P(1 + r/n)^(nt)

where:

A = the final amount

P = the principal amount (the initial investment)

r = the annual interest rate (as a decimal)

n = the number of times the interest is compounded per year

t = the time (in years)

Let's start with the first investment of $4000:

A1 = 4000(1 + 0.06/1)^(1*9)

= 4000(1.06)^9

= $6,542.51

Now, let's move on to the second investment of $7000, made four years from now:

A2 = 7000(1 + 0.06/1)^(1*5)

= 7000(1.06)^5

= $9,381.81

Finally, let's calculate the third investment of $5000, made six years from now:

A3 = 5000(1 + 0.06/1)^(1*3)

= 5000(1.06)^3

= $5,674.32

The total amount after 9 years will be the sum of these three amounts:

Total = A1 + A2 + A3

= $6,542.51 + $9,381.81 + $5,674.32

= $21,598.64

Therefore, the total amount after 9 years will be $21,598.64.

✅C) Avoid having to use a net ✅

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The 74192/74193 up/down counter can be cleared to 0 by applying a clear signal to the appropriate input pin.

In the 74192, the clear signal is applied to pin 1 (Clear), and in the 74193, the clear signal is applied to pin 15 (Clear). When the clear input is activated, the counter is reset to 0, regardless of the current count value or direction.

It's worth noting that the specific clear input signal may vary depending on the implementation of the counter circuit. In some designs, the clear input may be active low (i.e., a logic 0 clears the counter), while in others it may be active high (i.e., a logic 1 clears the counter). It's important to refer to the specific datasheet for the device being used to determine the correct clear input signal.

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Answer:

Explanation: 1995 would be correct.

The main limitation of computer networking that the invention of the World Wide Web solved in the 1990s is that it allowed networks to talk.

The World Wide Web, often known as WWW, W3, or the Web, is an interconnected network of public websites accessible over the Internet. The Web and the Internet are not the same things: the Web is one of many applications created on top of the Internet.

The early computer network of the 1960s had a major limitation in that the networks were not linked to each other thus, Networks couldn’t talk to each other.

This was a major problem that was resolved when the World Wide Web was invented.

Hence, the main limitation of computer networking that the invention of the World Wide Web solved in the 1990s is that it allowed networks to talk.

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Modern cars' complex systems perform all the foregoing functions, with the exception of assisting in the preservation of resale value.

Therefore, the answer is "helping retain resale value".

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The hash function H(x) = 5x + 11 mod 19 is not weakly collision resistant since there exists another input value, y, where H(y) is equal to H(4).

Is the hash function H(x) = 5x + 11 mod 19 weakly collision resistant for H(4)?

The hash function H(x) = 5x + 11 mod 19 is not weakly collision resistant for H(4).

When we calculate H(4), we get a hash value of 12.

By finding another input value y that satisfies H(y) = 12, we demonstrate a collision.

Solving the equation 5y + 11 mod 19 = 12, we find that any value of y congruent to 4 modulo 19 will result in H(y) = 12.

This means that there are multiple inputs that produce the same hash value, violating the property of weak collision resistance.

The hash function is not considered weakly collision resistant for H(4).

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