You can write an algorithm to find the factorial of a non-negative integer using an iterative control structure.True or False?

Answer:

In control engineering, a state-space representation is a mathematical model of a physical system as a set of input, output and state variables related by first-order differential equations or difference equations.

Explanation:

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:

Switching on and off

Explanation:

No starters are often caused by a faulty crankshaft actuator. The signals from this transmitter is sent to the ignition module, which turns in and out of the ignition system. If you already have an RPM sign, it's possible that a faulty ignition unit or PCM isn't turning the coils on and off. Along with button on and the motor cranking, testing for volts at the contacts with a voltmeter.

Answer: total heat dissipated from the array is 0.60 Watt

Explanation:

No. of fins 8

Given that:

Wdth (b) = 3 mm = 0.003 m

thickness (t) = 0.4 mm = 0.0004 m

length (L) = 40 mm

combined convection and radiation heat transfer coefficient to be = 8.0 W/m² K.

Tb = 340 K, Tw = 300 K

First we compute for area of  fins A = 0.003 m × 0.00004 = 1.2 × 10⁻⁶ m²

Perimeter of Fin P = 2( 0.003 m + 0.00004 m ) = 0.0068 = 6.8 × 10⁻³  

for 2024 T6 aluminium alloy K = 151 W/m-k from table

Now

m = √ ( hp/ka) = √[( 8 × 6.8 × 10⁻³  ) / (151 × 1.2 × 10⁻⁶ m²)] = 17.327

Lc = L + t/2 = 40 + 0.4/2 = 40.2 mm = 40.2 × 10⁻³

Now heat transfer from on fin :

Q = √( hpKA) × (Tb-Tw) × Tanh(mLc)

= √( 8×6.8 × 10⁻³×151×1.2 × 10⁻⁶) × (340-300) × tanh (0.6965)

= 3.13963 × 40 × 0.602144

= 0.075620 Watt

So total heat dissipated from array of 8 fins = 8 ×0.075620 = 0.60 Watt

Answer:

d.

50.5" is the answer for this question

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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To compute the overall heat-transfer coefficient for the basement wall, we consider the different layers and their respective thermal resistances.

The wall consists of insulation, an insulating board, a vapor seal, and plywood paneling. By calculating the individual thermal resistances and combining them, we can determine the overall heat-transfer coefficient.

The overall heat-transfer coefficient (U-value) of a wall is determined by the sum of the thermal resistances of its individual layers. The U-value represents the rate of heat transfer through the wall, with lower values indicating better insulation.

In this case, the wall consists of several layers: the insulation, insulating board, vapor seal, and plywood paneling. Each layer has a specific thermal resistance value.

To compute the overall U-value, we calculate the thermal resistances of each layer by dividing the thickness of the layer by its corresponding thermal conductivity. Then, we sum up the thermal resistances to obtain the overall thermal resistance.

The U-value is the reciprocal of the overall thermal resistance. Thus, by taking the reciprocal of the overall thermal resistance, we can determine the overall heat-transfer coefficient for the basement wall.

Considering the given information about the insulation, insulating board, vapor seal, and plywood paneling, along with their respective thermal resistances, we can calculate the overall heat-transfer coefficient for the wall.

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Answer:

byee byee bbbbbbbbbbbb

To determine the minimum diameter of the component to prevent buckling, we can use the Euler's buckling equation. The Euler's buckling equation states that the critical buckling load (Pcr) is equal to (pi^2 * E * I) / (L^2), where E is the modulus of elasticity, I is the moment of inertia, and L is the effective length of the column.

In this case, since the column has pinned-pinned end conditions, the effective length (L) is equal to the actual length of the column (assuming it is vertical).

To calculate the moment of inertia (I) for a solid and round cross section, we can use the formula I = (pi * d^4) / 64, where d is the diameter of the column.

Given that the factor of safety (FOS) is 1.8, we can rearrange the equation to solve for the minimum diameter (d) as follows:

\(Pcr = (pi^2 * E * I) / (L^2)Pcr = (pi^2 * E * (pi * d^4) / 64) / (L^2)Pcr = (pi^3 * E * d^4) / (64 * L^2)Pcr * FOS = (pi^3 * E * d^4) / (64 * L^2)d^4 = (Pcr * 64 * L^2) / (pi^3 * E * FOS)d = ((Pcr * 64 * L^2) / (pi^3 * E * FOS))^(1/4)\)

Plug in the given values for Pcr (load), L (effective length), E (modulus of elasticity), and FOS (factor of safety) into the equation to find the minimum diameter (d) in inches.

Note: Since you mentioned not using preferred sizes, the diameter calculated may not match a standard size available in the market.

Remember to provide the values for Pcr, L, E, and FOS to get the specific minimum diameter for your component.

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Answer:

I don't know sorry thanks for asking

The tatal resistance of the series-parallel circuit with two resistor connected in parallel which combination is connected in series to a single resistor is 9 ohms.

This can be defined as the opposition to current flow in a circuit.

To calculate the total resistance, first we need to find the total resistance of the parallel resistor.

For parallel,

Where:

R' = Total resistance of the parallel resistor.

From the question,

Given:

Substitute these values into equation 1

Finally, we combine the effective parallel resistance in series to the single resistance to the the total resistance of the circuit.

Where:

From the question,

Substitute these values into equation 2

Hence, the total resistance of the circuit is 9 ohms.

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Center of gravity, or CG, is defined as the point in an object where the mass is evenly distributed. It is important to know the location of the CG because it has an impact on the stability and balance of the object. In aviation, the CG of an aircraft is a critical factor that affects the performance and safety of the flight.
In this case, we have the following information:

Weight (W) = 8,420 lb
CG location (CG) = Station 85

Simplifying the equation:

717,700 + 4,200 = 8,360 × CG3

721,900 = 8,360 × CG3

CG3 = 721,900 / 8,360

CG3 = 86.3

Therefore, the new CG location after removing 60 pounds from Station 70 is Station 86.3. The answer is not given in the choices, but it is closer to option (a) than the other two.

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Let $x ij$ represent the quantity of cars that will be delivered in the following two hours from city I to city j.

Network Diagram:

LP Formulation:

Maximize Z = 150x14 + 150x24

Subject to:

x11 + x12 + x13 + x14 <= 300 (flow from city 1 to other cities)

x21 + x22 + x23 + x24 <= 300 (flow from city 2 to other cities)

x31 + x32 + x33 + x34 <= 300 (flow from city 3 to other cities)

x41 + x42 + x43 + x44 <= 300 (flow from city 4 to other cities)

x11 + x21 + x31 + x41 = 150 (flow into city 1)

x12 + x22 + x32 + x42 = 150 (flow into city 2)

x13 + x23 + x33 + x43 = 150 (flow into city 3)

x14 + x24 + x34 + x44 = 150 (flow into city 4)

xij >= 0 (all variables must be positive)

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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:

  C.  3325 Ω - 3675 Ω

Explanation:

5% of 3500 Ω is ...

  0.05 × 3500 = 175

The lower limit is this amount less than the nominal value:

  3500 -175 = 3325

The upper limit is the nominal value plus the tolerance:

  3500 +175 = 3675

The lower and upper limits are 3325 Ω and 3675 Ω, respectively.

True. The dispersion of contaminants in a room can be modeled using a large number of Lagrangian particles in a random process. In this approach, the movement of each particle is tracked as it moves through the room, and the concentration of contaminants at different points in the room is calculated based on the distribution of the particles. This allows researchers to understand how the contaminants will spread throughout the room and how long they will remain in the air.

Lagrangian particle modeling is a useful tool for predicting the dispersion of contaminants in indoor environments, as it takes into account the influence of the room's geometry and the flow of air within the space. It can be used to evaluate the effectiveness of ventilation systems and to identify potential areas of high contaminant concentrations that may pose a risk to the occupants of the space.

Overall, the use of Lagrangian particles in a random process is a useful technique for understanding the dispersion of contaminants in indoor environments and for identifying strategies to reduce the risks associated with exposure to these contaminants.

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The basic requirement of measurements is to have a standard or reference point against which to compare the quantity being measured. This standard or reference point should be well-defined and stable, and the measurement process should be repeatable and consistent. Additionally, it is important to ensure that the measurement equipment is calibrated and in good working condition.

Answer:

The most basic requirement for measurements is the presence of a standard or reference point against which the quantity being measured can be compared. The measurement process should be repeatable and consistent, and the standard or reference point should be well-defined and stable. Furthermore, ensure that the measurement equipment is calibrated and in good working order.

Explanation:

Answer:

The difference lies in the coverage of the construction.  While local level construction focuses on the local area, national level construction has a nation-wide coverage.

Explanation:

Residential construction concentrates on the construction of residential buildings that have sleeping accommodations.  Such constructions are opposed to the construction of other buildings that are meant for commercial uses as they lack sleeping accommodations.  The federal, state, and local governments can embark on the construction of residential quarters for their residents.  The constructions are also funded at the given level.  When it is locally funded, the construction is meant to satisfy specific local needs.  The constructions by the federal government consider the needs of many localities, and may not meet specific local needs.

Answer: A Residential construction is local in its effects even though those effects have a national impact.

Explanation:

Technical drawings employ both an engineering scale and an architect's scale to measure and display items and structures accurately. However, the measurement increments between them vary.

ĵ Numbers on architect scales move incrementally from right to left as well as left to right. The scale those numbers represent is indicated by a whole number or fraction to the left or right of the number line. ĵ Numbers on engineer scales move progressively from left to right.

When designing a structure, architects take the needs and specifications of the client into account. In accordance with the architect's plans, engineers develop the building's plumbing, electrical, and structural systems.

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The efficiency of the motor is 80%.

The heat lost by the motor per minute is 7.5 kW.

The output power of the motor is given by:

P_o = τ * ω

where τ is the torque and ω is the angular velocity.

P_o = 200 N m * (2π * 600 r/min) / 60 s/min = 6000 W

The efficiency of the motor is given by:

η = P_o / P_i

where P_i is the input power.

η = 6000 W / 15 kW = 0.8

The heat lost by the motor per minute is given by:

Q = P_i - P_o

Q = 15 kW - 6000 W = 7.5 kW

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Answer:

540 W

Explanation:

The quartiles divide a set of observations into four portions, each representing 25% of the observations, together with the minimum and maximum values of the data set. The interquartile range, a measurement of variation around the median, is calculated using quartiles.

Statistical file: {2, -6, 5}

Quartile Q1: -6

Quartile Q2: 2

Quartile Q3: 5.

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Answer:

\(W_s =\) 283.181 hp

Explanation:

Given that:

Air enters a compressor operating at steady state at a pressure \(P_1\) =  176.4 lbf/in.^2  and Temperature \(T_1\) at 260°F

Volumetric flow rate V = 424 ft^3/min

Air exits at a pressure \(P_2\)  = 15.4 lbf/in.^2 and Temperature \(T_2\) at 80°F.

Heat transfer occurs at a rate of 6800 Btu/h from the compressor to its surroundings; since heat is released to the surrounding; then:

\(Q_{cv}\) = -6800 Btu/h  = - 1.9924 kW

Using the steady  state  energy in the process;

\(h_2 - h_1 + g(z_2-z_1)+ \dfrac{1}{2}(v^2_2-v_1^2) = \dfrac{Q_{cv}}{m}- \dfrac{W_s}{m}\)

where;

\(g(z_2-z_1) =0\)  and  \(\dfrac{1}{2}(v^2_2-v_1^2) = 0\)

Then; we have :

\(h_2 - h_1 = \dfrac{Q_{cv}}{m}- \dfrac{W_s}{m}\)

\(h_2 - h_1 = \dfrac{Q_{cv} - W_s}{m}\)

\({m}(h_2 - h_1) ={Q_{cv} - W_s}\)

\(W_s ={Q_{cv} + {m}(h_2 - h_1)\) ----- (1)

Using the relation of Ideal gas equation;

P₁V₁ = mRT₁

Pressure \(P_1\) =  176.4 lbf/in.^2   = ( 176.4 ×  6894.76 ) N/m² = 1216235.664 N/m²

Volumetric flow rate V = 424 ft^3/min = (424 ×  0.0004719) m³  /sec

= 0.2000856 m³  /sec

Temperature = 260°F = (260°F − 32) × 5/9 + 273.15 = 399.817 K

Gas constant R=287 J/kg K

Then;

1216235.664 N/m² × 0.2000856 m³  /sec = m × 287 J/kg K × 399.817 K

\(m = \dfrac { 1216235.664 N/m^2 \times 0.2000856 m^3 /sec } {287 J/kg K \times 399.817 K }\)

m = 2.121 kg/sec

The change in enthalpy:

\(m(h_1-h_2) = m * C_p * \Delta T= m* C_p * ( T_1 -T_2)\)

\(= 2.121* 1.005* ( 399.817 -299.817)\)

= 213.1605 kW

From (1)

\(W_s ={Q_{cv} + {m}(h_2 - h_1)\)

\(W_s =\)  - 1.9924 kW + 213.1605 kW

\(W_s =\) 211.1681  kW

\(W_s =\) 283.181 hp

The power input is \(W_s =\) 283.181 hp

The relationship between mechanical stress inside of a cylindrical part with a given force applied to it is stress = force/area.

The utility of pressure offers upward thrust to strain, however now no longer the opposite manner around. A pressure is a push or pull upon an item attributable to the item's interplay with some other item while Stress is an inner resistance to supplied through the frame itself each time it's far beneath a few type of deformation.

Stress is denoted through σ. It is represented as N/m2. Stress formulation is made use of to locate carried out on any given frame if pressure and region on which pressure is exerted is given withinside the problem.

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Answer:

3. have known

4. wrote

5. not sure

6.have changed, has only

7. answered

8. have missed

9.has never seen

10.never saw

11.became,have changed

12. have changed, have grown

13.was,found

14. was never

am not sure but hope it helps

Answer:

The exhaust is the major source of air pollution. This is composed of completely oxidized constituents such as H2O and CO2, both of which are considered harmless. Emphasis is placed on the partially oxidized components -- nitrogen oxide, carbon monoxide, and hydrocarbons -- as being the major pollutants.

Explanation:

Answer:

do you have to make the right decisions to be a person who has been a member who is not the first time a great person who has a job in a day of his life or