a low-pass filter has a cutoff frequency of 1.23 khz. determine the bandwidth of the filter. 644 hz 2.46 khz 1.23 khz not enough information is given.

A bend is defined as a change in the shape of the part between the damaged and undamaged area that is smooth and continuous.

What is a kink?

A kink can be defined as a sharp bend with a small radius over a short distance.

So when any part is kinked it must be replaced without any doubt. A part is kinked if it just doesn't work on the repair.

What is a bend?

Unlike a kink, a bend can be restored. That is after a bend also  a part can be bought back to its original position.

When the part is straightened, it is returned to proper shape and state without any areas of permanent deformation.

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Answer:

chemical energy directly

Answer:

The above three conditions are commonly referred to as the equations of equilibrium for planar structures. ∑ Fx and ∑ Fy are the summation of the x and y components of all the forces acting on the structure, and ∑ Mz is the summation of the couple moments and the moments of all the forces about an axis z, perpendicular to the plane xy of the action of the forces.

Explanation:

a) Question Completion:

INPUT HOURS OF LABOR

Country   Cookies      Milk

Atlantis       2 hours   1 hour

Neverland  4 hours   1 hour

Answer:

1. Atlantis has the absolute advantage in the production of cookies.

2. No country has the absolute advantage in the production of milk.

Explanation:

Absolute advantage refers to superior production capability.  It is determined when a country, for example, has the ability to produce a particular good or service at lower cost or more efficiently (i.e. with less resources) than the other country.  In the scenario above, Atlantis has an absolute advantage in the production of cookies because it can produce the same quantity of cookies using 2 labor hours that Neverland can produce using 4 labor hours.  But for the production of milk, Atlantis and Neverland share the same comparative advantage less they can use less labor hours to produce milk than they can produce cookies.

Answer:

it's not included

Explanation:

plz exact ur explain

Answer:

si amor

Explanation:

Hoiykñjdnlklbutrk

Answer:

Whenever you approach a school bus from any direction, which has stopped to pick up or let off passengers while operating its flashing red lights, you must stop your vehicle at least 25 feet from the school bus. The only time you do not have to stop is when you are on the other side of a divided highway. You must stay stopped until the bus has started again or the bus driver stops operating the flashing red lights.

Answer:

whatsthe question choices

Answer:

Shallow foundations, often called footings, are usually embedded about a metre or so into soil. ... Another common type of shallow foundation is the slab-on-grade foundation where the weight of the structure is transferred to the soil through a concrete slab placed at the surface.

Explanation:

Because I said so.

The calculated answer is NpVs = NsVp=- 0.086A

utilizing the transformer formula, which, as shown, connects the coil's number of turns N, emf V, and produced current I;

where Ns/Np = Vs/Vp = Ip/Is;

The secondary and primary coils' respective turn counts are Ns and Np, respectively.

The relative emf in the secondary and primary coils is Vs and Vp.

The current in the secondary and primary coils, respectively, is and is

assuming Vp = 120V (input voltage), Np = 384 turns, and Vs = 9V (output voltage) Ns =?

Using the equation Ns/Np = Vs/Vp

Ns/384 = 9/120

multiplying by two

120Ns = 384×9

120Ns = 3456

Ns = 3456/120

Ns = 28.8

Ns = roughly 29 turns

9/120 = Ip/1.14

multiplied by two;

120Ip = 9×1.14

120Ip = 10.26

Ip = 10.26/120

Ip = 0.086A

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At 1.2mpa pressure and 50c

What is pressure?
By pressing a knife against some fruit, one can see a straightforward illustration of pressure. The surface won't be cut if you press the flat part of the knife against the fruit. The force is dispersed over a wide area (low pressure).

a)Mass flow rate of the refrigerant
Therefore h1= condenser inlet enthalpy =278.28KJ/Kg
saturation temperature at 1.2mpa is 46.29C
Therefore the temperature of the condenser

T2 = 46.29C - 5
T2 = 41.29C

Now,
d)power consumed by compressor W = 3.3KW
Q4 = QL + w = Q4
QL = mR(h1-h2)-W
= 0.0498 x (278.26 - 110.19)-3.3
=5.074KW
Hence refrigerator load is 5.74Kg

(COP)r = 238/53
(Cop) = 4.490

Therefore the above values are the (a) mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.

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Answer:

Relative roughness = 0.04

Explanation:

Given that:

Diameter = 5 cm

roughness = 2 mm

At inlet:

Minor coefficient loss \(k_{L1} = 0.4\)

At exit:

Minor coefficient loss \(k_{L2} = 1\)

Height h = 4m

Length = 5 m

To find the relative roughness:

Relative roughness is a term that is used to describe the set of irregularities that exist inside commercial pipes that transport fluids. The relative roughness can be evaluated by knowing the diameter of the pipe made with the absolute roughness in question. If we denote the absolute roughness as e and the diameter as D, the relative roughness is expressed as:

\(e_r = \dfrac{e}{D}\)

\(e_r = \dfrac{0.2 }{5}\)

\(\mathbf{e_r = 0.04}\)

Answer:

The resistance of the flow of charges in an electric circuit (electrical resistance) is analogous to the frictional effect between water flow through a pipe and the pipe's surface

Explanation:

In comparison to its similarity to the diameter of the pipe affects the flow of water and acts a a factor affecting resistance so are there factors affecting electrical resistance.

in an electrical circuit:

the total length of the wire is to the length of a pipe of water

the cross-sectional area of the wire is to the diameter of a pipe of water.

Thus, the cross sectional are affects the amount of electrical resistance. Wider wires have wider cross-sectional area and vice versa. Also, water will flow (i.e. current) through a wider pipe (i.e. large diameter) at a faster rate than a narrow pipe (i.e. small diameter). This is due to the lower amount of resistance offered by the wider pipe.

in the same manner, the wider the wire, the lesser the electrical resistance to the flow of elsctric charge and vice versa for thiner wires.

Where the above condition is given, here's the solution:

#include <iostream>

#include <vector>

#include <string>

using namespace std;

int main() {

int numElements, sumQuantity = 0;

string colorAsked;

unsigned int i;

cin >> numElements;

vector<string> colorList(numElements);

vector<int> quantityList(numElements);

for (i = 0; i < colorList.size(); ++i) {

   cin >> colorList.at(i);

   cin >> quantityList.at(i);

}

cin >> colorAsked;

for (i = 0; i < colorList.size(); ++i) {

   if (colorList.at(i) == colorAsked) {

       cout << "Index " << i << endl;

       sumQuantity += quantityList.at(i);

   }

}

cout << "Total: " << sumQuantity << endl;

return 0;

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Answer:

C) Prospective Cohort study

Explanation:

prospective cohort study can be regarded as longitudinal cohort study that comes up with periods of time when group of individuals that are different in terms of some factors that are undergoing some study, so that how theses factors influence rates of some particular outcomes can be known.

Answer:

HCP

Extra -> BCC the most, FCC between

Explanation:

Answer:

True

Explanation:

Those are the exact uses of a resistor

Answer:

Use GitHub or stackoverflow for this answer

Explanation:

It helps with programming a lot

The opposite of the implication is the contrapositive of p q, which is identical to (represents the inverse of). A statement's opposite or converse is not the same as the statement's original implication.

The conclusion must follow from the truth of the premises for the argument to be considered sound. Building strong arguments uses rules of inference as a guide. We'll look into inference guidelines for many propositions.

The construction of increasingly complicated argument forms will require inference rules, which are all simple argument forms. Example: p should read "It is snowing." If it is snowing, I shall study discrete mathematics, so let q be that.

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The relationship between k1 and k2 is determined by applying the boundary conditions at the step potential in the box of length 3 nm.

We can use numerical methods to solve for k1/k2 given the value of vright and other parameters of the problem. The resulting relationship between k1 and k2 will depend on the specific values of these parameters, and will determine the shape of the ground state wavefunction in the box with a central step potential.

The derivative of the wavefunction must also be continuous at x=1.5 nm. This can be expressed as k1Acos(k1*1.5) = k2Bcos(k2*(3-1.5)). We can use these two equations to solve for the relationship between k1 and k2. First, we divide the second equation by the first equation to eliminate the unknowns A and B: k1/k2 = cos(k2*(3-1.5))/cos(k1*1.5).

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true

the answer to this question is true

Answer:

the rate at which heat is added in the boiler = 59597.4 kW

the power required to operate the pumps = 122.57 kW

The net power produced by the cycle = 17925 kW.

The thermal efficiency = 30%.

Explanation:

The specific enthalpy of saturated liquid is equal to the enthalpy of the first point which is equal to 314 kJ/ kg.

The second enthalpy is calculated from the pump work. Therefore, the second enthalpy = first enthalpy point + specific volume of water [ the pressure of the boiler - the pressure of the condenser].

The second enthalpy = 314  + 0.00103 [ 6000 - 50 ] = 320.13 kJ/kg.

The specific enthalpy for the third point = 3300 kJ/kg.

Therefore, the rate at which heat is added in the boiler = 20 × [3300 - 320.13] = 59597.4 kW.

The rate at which heat is added in the boiler = 59597.4 kW.

Also, the power required to operate the pumps = 20 × 0.00103 [6000 - 50] = 122.57 kW.

The power produced by the turbine = 20 [ 300 - ( the fourth enthalpy value)].

The fourth enthalpy value = 3300 - 0.94 [ 3300 - 2340] = 2397.6 kJ/kg

Thus, the power produced by the turbine = 20 [ 300 - 2397.6] = 18048 kW.

The power produced by the turbine  =  18048 kW.

The net power produced =  18048  + 122.57 = 17925 kW.

The thermal efficiency = [net power produced] / [the rate at which heat is added in the boiler].

The thermal efficiency = 17925/ 59597.4 = 30%.

New, derived traits of human evolution over the past five million years include all of the following except: elongation. The correct answer to the given question is option D .

Derived traits are new traits that have been passed down to a given organism by their ancestors. Some of the derived traits of human evolution over the past five million years include:

Encephalization: Encephalization is the evolutionary trend of brain size increasing relative to body size over geological time in a lineage. This evolutionary trend was observed in the human lineage.

Lack of body hair: One of the derived traits of human evolution is the lack of body hair. Humans have a far less dense body hair than other apes and primates. The loss of body hair facilitated an increase in sweat gland density, which helps us regulate our body temperature.

Reduced sexual dimorphism: The reduced differences between the sexes in size and appearance over time in a given population is referred to as reduced sexual dimorphism.

Elongation: Elongation is not a derived trait of human evolution over the past five million years, so it is the correct answer.

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Answer:

Gauge Pressure = 408.3 KPa

Explanation:

The pressure inside the pipe can be given in terms of the elevation, by the following formula:

P = ρgΔz

where,

P = Absolute Pressure = ?

ρ = Density of Water = 1000 kg/m³

g = acceleration due to gravity = 9.8 m/s²

Δz = elevation = 52 m

Therefore,

P = (1000 kg/m³)(9.8 m/s²)(52 m)

P = 509.6 KPa

Now, for gauge pressure:

Gauge Pressure = P - Atmospheric Pressure

Gauge Pressure = 509.6 KPa - 101.3 KPa

Gauge Pressure = 408.3 KPa

Answer:

The answer is "\(\bold{1.32 \times 10^{-3} \ cm}\)".

Explanation:

All of the atoms in a BCC crystalline structure are contained in the 8-corner unit cell.  

Each corner connects the atom to a single cell \(\frac{1}{8}\)  

Therefore, the unit cell number of atoms:  

\(= 8 \times \frac{1}{8}+ 1 \\\\= 1+1 \\\\= 2 \ atom\)

\(The mass unit cell = \frac{ \text{Number of atoms} \times \text{atomic weight}} {Avagadro number}\\\\= \frac{2 \times 50.9}{6.023 \times 10^{23}}  \\\\= 1.69 \times 10^{-22} \ g\\\\Area Of the atom= \frac{4r}{\sqrt{3}}\\\\   5.96 = \frac{1.69 \times 10^{-22}}{volume}\\\\volume= 2.835 \times 10^{25}\\\\v=d^3\\\\v= (\frac{4r}{\sqrt{3}})^3\\\\\to 2.835 \times 10^{-23} \times (\sqrt{3})^3 = 4^3 r^3\)  

\(\to \sqrt[3]{\frac{{2.835 \times 10^{-23} \times (\sqrt{3})^3}}{4^3}} =r\\\\\to r= 1.32 \times 10^{-3} \ cm\)

Answer:

Arc voltage

Explanation:

Arc voltage is the measurement taken as close to the arc as possible and tells you the actual voltage that's used for a particular weld.

Example:

Let's consider an example of welding two metal pieces together using a welding machine. The welding machine generates an electric arc between the metal pieces, which heats the metal and creates a weld pool. The arc voltage is the voltage applied between the two metal pieces during the welding process.

The arc voltage is measured as close to the arc as possible to get an accurate reading of the voltage used for the specific weld. This measurement is important because it affects the quality and strength of the weld. A too high or too low arc voltage can result in a weak or poorly formed weld. Hence, controlling and monitoring the arc voltage is a critical aspect of welding to ensure a high-quality weld.

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It is not safe to operate the motor with a 10-hp shaft load.

Explanation :
Solution-
First, determine the rated speed and current of the motor:
Rated speed = 850 r/min
Rated current = 500 V / (0.1414 ohms + 0.0412 ohms + 0.0189 ohms) = 30.22 A
Next, determine the speed and current for a 10-hp shaft load:
Speed = 1700 r/min
Current = 10 hp / (75 hp * 0.902) = 0.1343 A
Finally, determine whether it is safe to operate the motor with the 10-hp shaft load using the magnetization curve. we can see that the current at 1700 r/min is 0.1264 A, which is less than the current for the 10-hp shaft load (0.1343 A).

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Tech B is correct because his statement accurately reflects the diverse nature of atoms regarding their electron transfer capabilities.

Tech B is correct in stating that not all atoms can easily give up or accept electrons. The ability of an atom to gain or lose electrons depends on its atomic structure and the distribution of its electrons in the outermost energy level, known as the valence shell.

Atoms strive to achieve a stable electron configuration typically by obtaining a full valence shell with eight electrons (the octet rule), which is more stable. The elements with fewer than four or more than four valence electrons are typically more reactive as they either tend to gain or lose electrons to achieve a stable configuration.

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Answer:

RAM, which stands for random access memory, and ROM, which stands for read-only memory, are both present in your computer. RAM is volatile memory that temporarily stores the files you are working on. ROM is non-volatile memory that permanently stores instructions for your computer.

Explanation:

Where the name of the table is called "LEASES" and the column of the lessee is called "LESSEE", the SQL statement to to count the number of times the properties hve been leased  by John K ay is:

SELECT COUNT (*)

FROM LEASES

WHERE LESSEE = 'John Kay';

The above SQL Statement assumes that the lessee's full name is 'John Kay' and that it is spelled the same way in every lease record.

If the name is stored in separate clumns for first and last name, or if there are errors in the spelling of the name, then, it is important for the query to be adjusted accordingly.

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