fill in the blank. a(n)___is a compartment or chamber to which one or more air ducts are connected and that forms part of the air distribution system.

Answer:

attached below

Explanation:

Applying the state transition Formula

state - next = ( state *2 + in ) % 5

how this works : remainder of previous cycle is doubled to enable the calculation of the new remainder.  

Input of current cycle is represented as either 1 or 0

since the dividing number = 5 . possible remainders = 1,2,3,4,0

each remainder is represented as :

S0 = zero remainder , S1 = 1 remainder , S2 = 2 remainder, S3 = 3 remainder,

S4 = 4 remainder

Answer:

She chose Peeta to protect her family and friends.

Explanation:

If she chose Gale, her family would've been killed by President Snow. So, she chose Peeta so her mom and sister weren't killed.

Answer:

Because he's obviously the better choice :)

Explanation:

President Snow was mad that both Peeta and Katniss won the Games so they had to act in love to protect their loved ones from Snow. And also, Gale's trash ;)

Answer:

1170 km/hr

Explanation:

Let's first state the formula to be used

c = √(KRT)

The temperature at an altitude of 15km is -56.5° C

Let's not convert this to °K, we have

-56.5° + 273.15 = 216.65° K

Also, the temperature at 8km is -36.9° C, on converting to °K we have

-36.9° + 273.15 = 236.25° K

Then again, we look for the speed at both 15 km and 8 km both of which are 295 m/s and 308 km

Finally, we use the mach similarity formula

(V/c) of 15km = (V/c) of 8km

V of 8km = c of 8km * (V/c) of 15km

V of 8km = 1170 km/hr

Answer:

Option D

Explanation:

A composite material is made up of two material which have different properties (chemically or physically). The two materials are mixed in such a way that it improves the properties of both the materials (the one  in the matrix and the other in the filler) thereby enhancing the overall strength and stiffness of the matrix.

Hence, option D is correct

A correct option is an option (c)

The main advantage of the composite is there higher strength as compared to the matrix.

The strength is very low as compared to the resultant composite and the fiber.

The resultant strength can be calculated in two direction

The longitudinal way is,

\(E=V_mE_m+V_fE_f...(1)\)

The transversal way is,

\(\frac{1}{E}=\frac{V_m}{E_m}+\frac{V_f}{E_f} ...(2)\)

From equations (1) and (2) we get,

\(E_m < E < E_f\)

So, mode with strong fibers embedded in a weaker and softer matrix to obtain strength better than the strength of the matrix.

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Answer:

Auto production stopped on Feb. 9, 1942, as factories switched over to making munitions for World War II. The industry retooled plants that could be adapted.

Answer:

9, 1942, as factories switched over to making munitions for World War II. The industry retooled plants that could be adapted. Car manufacturing equipment was replaced with what was needed to make planes and tanks, and floors were reinforced to carry the load of heavier machinery, according to Life magazine

Explanation:

When thrust faults occur, the region undergoing stress is subject to compression stress.

Compressive stress is a force that causes a substance to deform in order to take up less space.

When thrust faults occur, the region undergoing stress is subject to compression stress. A substance is said to be under compression when it is subjected to compressive stress.

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Based on the given information, we can conclude that Valve malfunction should be a possible cause of this condition.

There are several possible causes for a reciprocating compressor to achieve a maximum discharge pressure of 120 psig, even though the low side intake of the compressor was open to the atmosphere and the pressure held when the compressor was off. Some possible causes could include:

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Hotel Fire Safety Directors are not authorized to order a full building evacuation of guests. Therefore, option (C) is correct.

Hotel Fire Safety Directors are individuals who are responsible for ensuring the safety of guests and employees in the event of a fire emergency in a hotel or other hospitality establishment.

They are typically appointed by the hotel management and must have knowledge of fire safety regulations and protocols, as well as the ability to lead and manage a team during an emergency.

Hotel Fire Safety Directors are responsible for implementing and maintaining the Fire Safety Plan, which includes conducting fire drills, training and supervising the Fire Brigade, and distributing applicable parts of the Fire Safety Plan to all employees. They must also work closely with the local fire department to ensure compliance with local fire safety regulations and protocols.

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The system is operated at a feed rate of 15 × 10^(-3) m^3/h with an initial glucose concentration of 10 kg/m^3.

The steady-state mass balance for the reactor can be written as:

F = QX + Qs

where F is the feed rate, QX is the volumetric flow rate of cells, and Qs is the volumetric flow rate of glucose.

At steady-state, QX and Qs are constant. Therefore, we can write:

QX = F - Qs

In this case, the system is operated at a feed rate of 15 × 10^(-3) m^3/h with an initial glucose concentration of 10 kg/m^3.

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Answer:

20368.917N

Explanation:

Frictional force (F) is the product of the Coefficient of friction and the normal reaction.

F = μN

Coefficient of friction, μ = 0.2

Normal reaction = MgCosθ

Mass, m = 12 tonnes = 12 * 1000 = 12000 kg

N = 12000 * 9.8 * cos30

N = 101844.58

F = 0.2 * 101844.58

F = 20368.917N

Answer:

A. Blackhole

C. Physical disconnection/air gapping

D. Sandboxing

Here are the methods of containment based on the concept of isolation:

Physical disconnection/air gapping is the most effective method of isolation, separating the infected system from the rest of the network.

Sandboxing isolates the infected system in a controlled environment, allowing analysis and cleaning without affecting the rest of the network. Quarantine isolates the infected system from the rest of the network until it can be cleaned, preventing it from infecting other systems.

The following methods are not based on the concept of isolation:

Blackhole: This is a method of redirecting malicious traffic to a dead end. This does not isolate the infected system, but it does prevent the malicious traffic from reaching other systems on the network.

Sinkhole: This is a method of redirecting malicious traffic to a honeypot. This does not isolate the infected system, but it does allow security researchers to collect information about the malicious traffic.

Therefore, the methods of containment based on the concept of isolation are Physical disconnection/air gapping, Sandboxing, and Quarantine.

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Answer:

the police officer cruise each streets precisely once and he enters and exit with the same gate.

Explanation:

NB: kindly check below for the attached picture.

The term ''Euler circuit'' can simply be defined as the graph that shows the edge of K once in a finite way by starting and putting a stop to it at the same vertex.

The term "Hamiltonian Circuit" is also known as the Hamiltonian cycle which is all about a one time visit to the vertex.

Here in this question, the door is the vertex and the road is the edge.

The information needed to detemine a Euler circuit and a Hamilton circuit is;

"the police officer cruise each streets precisely once and he enters and exit with the same gate."

Check attachment for each type of circuit and the differences.

the police officer cruise each streets precisely once and he enters and exit with the same gate.

Answer:

$270

Explanation:

Formulate the following based on the given conditions: 3x 80 Determine the product or quotient is 240

A savings account is a simple type of financial product that allows you to deposit funds and earn a small amount of interest. These accounts are federally insured up to $250,000 per account owner and provide a secure place for your money to grow while earning interest.

A savings account is a simple type of financial product that allows you to deposit funds and earn a small amount of interest. These accounts are federally insured up to $250,000 per account owner and provide a secure place for your money to grow while earning interest.

While there are several types of savings accounts, the deposit account, money market account, and certificate of deposit are the three most common.

Therefore, Lara has three savings accounts into which she distributes her money each pay check; if she puts at least $80 in each account this pay period, she can earn $240.

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In the radio communication system, multipath is the propagation phenomenon that causes diffusion or reflection in multiple different directions of a signal.

Multipath is a propagation mechanism that impacts the propagation of signals in radio communication. Multipath results in the transmission of data to the receiving antenna by two or more paths. Diffusion and reflection are the causes that create multiple paths for the signal to be delivered.

Diffraction occurs when a signal bends around sharp corners; while reflection occurs when a signal impinges on a smooth object. When a signal is received through more than one path because of the diffraction or reflection, it creates phase shifting and interference of the signal.

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Answer:

Engineering law and ethics are the moral codes associated with the field in which engineers are meant to adhere strictly to.

These ethics help in the safety of the engineers as a result of wearing protective clothing being a part of the ethics . Accuracy should also be taken important in research and daily activities. Corrupt practices and activities which poses risk to the environment is also strictly prohibited.

This can be achieved through a variety of programming languages, here's an example using Python:

A = 4

B = 5

C = 6

if A == 5 or B == 5 or C == 5:

   print("TRUE")

else:

   print("FALSE")

A formal language with many instructions is referred to as a programming language. These guidelines are presented to find different outputs. Computer programs are the main use of programming languages. A set of guidelines are presented to ensure the computer's proper operation.

Programming languages are used to control the external devices. In this example, the code checks if any of the variables A, B, or C is equal to 5. If any of them are, the code will output "TRUE", otherwise it will output "FALSE".

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For a hashtable that requires integer keys, I would choose the Jenkins one-at-a-time hash algorithm. It is a simple and efficient hash algorithm that produces a 32-bit hash value for any given key.

Here is an example implementation of the Jenkins one-at-a-time hash algorithm in Java:

public static int hash(int key) {

   int hash = 0;

   for (int i = 0; i < 4; i++) {

       hash += (key >> (i * 8)) & 0xFF;

       hash += (hash << 10);

       hash ^= (hash >> 6);

   }

   hash += (hash << 3);

   hash ^= (hash >> 11);

   hash += (hash << 15);

   return hash;

}

This implementation takes an integer key as input and produces a 32-bit hash value as output. It uses a loop to process each byte of the key in turn, adding it to the hash value and performing some bitwise operations to mix the bits together. Finally, it applies some additional mixing operations to produce the final hash value.

The Jenkins one-at-a-time hash algorithm is a good choice for integer keys because it is fast, simple, and produces a good distribution of hash values for most inputs.

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Answer:

a pneumatic or electric power

Explanation:

The primary energy source for the controller in a typical control system is either "a pneumatic or electric power."

This is because a typical control system has majorly four elements which include the following:

1. Sensor: this calculates the controlled variable

2. Controller: this receives and process inputs from the sensor to the controlled device as output

3. Controlled device: this tweak the controlled variable

4. Source of energy: this is the energy used to power the control system. It could be a pneumatic or electric power

Firefighters are likely to be at risk of becoming trapped in the void space and falling through the original roof if they are working on a type of roof known as a "flat roof."

Flat roofs are typically flat or nearly flat structures that are used on commercial and industrial buildings. They are built with a low slope and often have limited access points, making it difficult for firefighters to escape if they fall into a void space between the roof deck and the insulation layer.

Additionally, flat roofs are often made of lightweight materials such as asphalt or rubber, which can become weak and brittle during a fire, increasing the risk of collapse. To minimize the risk of firefighter injury, it is important to ensure that firefighters are trained and equipped to work safely on flat roofs, and that they have access to appropriate personal protective equipment and rescue equipment.

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Answer:

nothing will happen

Explanation:

except for whatever that wire feeds will lose power

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Answer:

actually, it was John Doe and Jane Doe, as they were created as testers on the exact same say when Roblox was created.

Explanation:

The first  player was builderman. Option C

The first player was one whose user handle was builderman.

However, the account was terminated. It was replaced with

‘Builderman’ is the account that belonged to the CEO and Co-Founder of , David Baszucki. He manages all of the admins.

When you make a new account, he's automatically your friend.

Note that ‘John Doe’ and ‘Jane Doe’ were two test accounts that were created by David.

The accounts were later rumored to hack others’

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Answer:

E

Explanation:

I have a big brain and I just took the test and got it correct.

(i) T(n) = Θ(n^lg(n)) is proven using induction by showing that T(n) satisfies the basis step and the inductive step.

(ii) T(n) = Θ(n) is a valid conclusion when dropping the smaller term n from T(n) = Θ(n^lg(n)).

(iii) Θ(1) suggests that the partitioning process in the algorithm has a constant time complexity, meaning it does not depend on the problem size n.

(i) Proving T(n) = Θ(n^lg(n)) using induction:

Basis: For n = 2^3 = 8, we substitute n = 8 in T(n) = 2T(n/2) + n:

T(8) = 2T(8/2) + 8 = 2T(4) + 8

Assuming T(1) = c, where c is a constant:

T(8) = 2T(4) + 8 = 2[2T(2) + 4] + 8 = 4T(2) + 16 + 8 = 8T(1) + 16 + 8 = 8c + 16 + 8 = 8(c + 3) = 8(T(1) + 3)

So, the basis is satisfied.

Inductive step: Assume that T(k) = 2^k(T(1) + k) holds for all k ≤ n.

We want to prove that T(n+1) = 2^(n+1)(T(1) + n+1) also holds.

T(n+1) = 2T((n+1)/2) + (n+1)

       = 2T(n/2) + (n+1)

Using the inductive hypothesis:

T(n+1) = 2[2^n(T(1) + n) + (n+1)]

       = 2^(n+1)(T(1) + n) + 2(n+1)

       = 2^(n+1)(T(1) + n+1)

So, the inductive step is satisfied.

By the principle of mathematical induction, T(n) = Θ(n^lg(n)).

(ii) Proving T(n) = Θ(n-lg(n)):

We already have T(n) = Θ(n^lg(n)) from the previous proof.

Using the property that n^lg(n) > n for n > 1, we can drop the smaller term n from T(n) = Θ(n^lg(n)):

T(n) = Θ(n^lg(n)) = Θ(n)

So, T(n) = Θ(n) is a valid conclusion.

(iii) If the algorithm involves a partitioning process and Ө(1) = Θ(1) is suggested, it means that the partitioning process has a constant time complexity. It implies that the partitioning operation does not depend on the problem size n and can be considered as a constant-time operation.

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To determine the distance that the crate slides relative to the platform, we can use the principle of conservation of linear momentum and the work-energy principle. Here are the steps:

1. First, we need to find the initial velocity of the platform (v_platform_initial). Since the platform is initially at rest, its initial velocity is 0 ft/s.

2. Apply the conservation of linear momentum to the system (crate + platform) before and after the collision:

m_crate * v0 + m_platform * v_platform_initial = (m_crate + m_platform) * v

where m_crate = 200 lb, m_platform = 700 lb, and v = 2.667 ft/s.

3. Solve for the initial velocity of the crate relative to the platform (v_crate_initial_relative):

v_crate_initial_relative = v0 - v = 12 ft/s - 2.667 ft/s = 9.333 ft/s

4. Use the work-energy principle to relate the initial and final kinetic energies of the crate and the work done by friction:

(1/2) * m_crate * v_crate_initial_relative^2 - f_friction * d = 0

where f_friction = μ * m_crate * g, μ = 0.25 (coefficient of kinetic friction), g = 32.2 ft/s^2 (acceleration due to gravity), and d is the distance slid.

5. Solve for the distance (d):

(1/2) * 200 * (9.333)^2 - 0.25 * 200 * 32.2 * d = 0

6. Solve for d:

d = (1/2) * 200 * (9.333)^2 / (0.25 * 200 * 32.2) ≈ 13.49 ft

So the distance that the crate slides relative to the platform is approximately 13.49 ft.

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Circuitry known as an earthing system links various electrical circuit components to the ground. It influences how strong and evenly short circuit currents are distributed throughout the system, as well as the consequences they have on the surrounding machinery and people.

What is an electrical circuit?

An electrical circuit is a system that connects electrical components or a model of such a system made out of electrical components. A network of closed loops that provides a path for the current to return is an electrical circuit.

A lamp, an electric motor, a computer, and connecting wires or transmission lines are examples of electrical circuit-using equipment. An electric circuit also contains a device that provides energy to the charged particles that make up the current, such as a battery or a generator.

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Change in the specific volume of air = -8.51 ft³/lbm

By using the ideal gas law:

n1 = 1 mole

p1 = 20psia

T1 = 70°F

n2 = 1 mole

T1 = T2 = 70°F

Δv = v2-v1

Change in the specific volume of air = -8.51 ft³/lbm

⇒ negative sign shows that gas was compressed during this process.

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According to the basic principles of Electrical Resistance Welding, Resistance welding is used to fuse two metals together. See further explanation below.

It is to be noted that Electrical Resistance Welding comprises a welding head that exerts pressure and holds the metal between its electrodes, as well as a welding power source that applies electric current to the metal to be welded. When force is exerted, resistance creates friction heat.

A weld is a metal coalescence formed by heating to an appropriate temperature with or without pressure, and with or without the introduction of a filler substance.

Resistance welding bonds are classified into three types:

Different materials having dissimilar grain structures, such as molybdenum to tungsten, are bonded utilizing a relatively short heating time, high weld energy, and high force in a solid state bond, also known as a thermo-compression bond.

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In an adiabatic flow process, there is no heat transfer between the fluid and its surroundings. The stagnation pressure is the pressure that the fluid would have if it is brought to a complete stop and all of its kinetic energy is converted to pressure energy.

The stagnation pressure-energy equation relates the stagnation pressure to the static pressure, density, and velocity of the fluid:

P_0 = P + (1 ÷ 2) * rho x v²,

where P_0 is the stagnation pressure, P is the static pressure, rho is the density, and v is the velocity of the fluid.

If the adiabatic flow process with a real fluid (with friction) is reversible, then the entropy change of the fluid is zero. This means that the isentropic stagnation pressure at the outlet of the system is equal to the isentropic stagnation pressure at the inlet of the system. In this case, the stagnation pressures at the inlet and outlet of the system can be equal, even if there is friction present.

However, if the adiabatic flow process is irreversible, then the entropy change of the fluid is greater than zero, and the isentropic stagnation pressure at the outlet of the system is less than the isentropic stagnation pressure at the inlet of the system.

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Answer:

Follows are the solution to the given points:

Explanation:

In point a:

In the PMF of K, that pager receives its same message number of times, that is  \(=\tiny \binom{n}{k}p^{k} (1-p)^{n-k}\)

In point b:

The possibility of getting number of cultural at least once in x:

\(\to 1-P(\text{not receiving it at all})\\\\\to 1-(0.2)x\\\\\to 1-(0.2)x>0.95\\\\\to (0.2)x<0.05 \\\\\)

appling the \(\log\):

\(\to x>0.25\)

The value x is equal to 3.