5 [By hand] A unity feedback system comprises a process subsystem, P(s) = and a controller subsystem, s(s+5)' 74 C(s) = K (14 + 4 + s). S Sketch the root locus for this system. Include calculations for all relevant steps. If a step is irrelevant, explain why.

Answers

Answer 1

The root locus for the given unity feedback system can be obtained by analyzing the poles and zeros of the open-loop transfer function To sketch the root locus, we need to analyze the poles and zeros of the open-loop transfer function.

The open-loop transfer function for the given unity feedback system is given as: G(s) = P(s) * C(s) = K * (s + 4) / (s * (s + 5)) We start by identifying the poles and zeros of the transfer function. The transfer function has a single zero at s = -4 and two poles at s = 0 and s = -5. Next, we determine the angles and magnitudes of the branches of the root locus. The angles of departure and arrival for each branch are calculated using the angle criterion, and the magnitudes of the branches are calculated using the magnitude criterion. The root locus starts from the open-loop poles and moves towards the open-loop zero. As the gain K increases, the root locus branches move towards the zeros and may converge or diverge depending on the gain value. By analyzing the root locus, we can determine the regions of the gain parameter K that result in stable closed-loop system behavior. The root locus plot provides insights into the stability and transient response characteristics of the system.

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Related Questions

CE-3610
Design Basic
1. The building is to be designed according to the provisions for structural requirement for LRFD
for steel as set forth in ASCE 7/IBC.
2. Material Specifications:
2.1 Light weight Concrete floor over deck
2.2 ASTM A992 (Gr.50) for all W shape Beams, Girders and Columns
2.3 Braces HSS (ASTM A500) or W shapes (ASTM A992, Gr.50)
3. Dead Loads:
3.1 Roof:
3.1.1 Roofing Materials (Water Proofing etc.) = 4 psf
3.1.2 18" Gage deck= 3 psf
3.1.3 Light weight concrete 5 in thick
3.1.4 Framing & Fire proofing= 8 psf
3.1.5 Suspended ceiling= 4 psf
3.1.6 Mechanical & Electrical= 4 psf
3.1.7 Solar panels & assembly= 9 psf
3.2 Floor:
3.2.1 Tile including assembly= 9.5 psf
3.2.2 18" Gage deck
3.2.3 Light weight concrete 6 1/4 "= 3 psf
3.2.4 Framing & Fire proofing = 15 psf
3.1.5 Suspended ceiling= 5 psf
3.1.6 Mechanical & Electrical= 5 psf
3.3 Wall:
3.3.1 Parapets on roof (outer boundary only) = 25 psf (3.5 ft high)
3.3.2 Glazed walls (outer boundary only) = 18 psf (ground to roof level)
Floors require 2 hour fire rating.
Live Load considers partition loads as appropriate.
4. The deflection requirements are as follows:
4.1 L/360 due to live load deflection in all interior Beams and Girders
4.2 L/180 due to total load for all spandrel Beams and Girders
5. For Seismic design, the values of spectral response acceleration parameters for the given location should be found using the USGS website

Answers

The primary objective of this project is to design a building in accordance with the structural requirements for LRFD for steel as defined in ASCE 7/IBC. The building's materials are defined in the following terms:

Light-weight concrete flooring over deck with a thickness of 5 inches.
ASTM A992 (Gr.50) for all W shape Beams, Girders, and Columns.
HSS Braces (ASTM A500) or W shapes (ASTM A992, Gr.50).

Dead Loads: The building's dead load will be made up of a variety of elements, including:

Roof: Roofing Materials (Water Proofing, etc.) = 4 psf.

18" Gage deck = 3 psf.
Light-weight concrete 5 in thick.
Framing & Fire proofing = 8 psf.
Suspended ceiling = 4 psf.
Mechanical & Electrical = 4 psf.
Solar panels & assembly = 9 psf.

Floor: Tile including assembly = 9.5 psf.
18" Gage deck.
Light-weight concrete 6 1/4 "= 3 psf.
Framing & Fire proofing = 15 psf.
Suspended ceiling = 5 psf.
Mechanical & Electrical = 5 psf.

Wall: Parapets on roof (outer boundary only) = 25 psf (3.5 ft high).
Glazed walls (outer boundary only) = 18 psf (ground to roof level).

The live load of partitions is taken into consideration as appropriate. Flooring requires a two-hour fire rating. The following deflection requirements are in effect:
L/360 due to live load deflection in all interior Beams and Girders.

L/180 due to total load for all spandrel Beams and Girders.
the building's seismic design should consider the values of spectral response acceleration parameters for the given location, which can be found using the USGS website.

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Question:

Why is my step-sis stuck in the washing machine every day?

———————————————————————————————-

Please, answer quick! I really need help figuring this out.

Answers

I think she wants wood

A power plant operates on a regenerative vapor power cycle with one open feedwater heater. Steam enters the first turbine stage at 12 MPa, 5608C and expands to 1 MPa, where some of the steam is extracted and diverted to the open feedwater heater operating at 1 MPa. The remaining steam expands through the second turbine stage to the condenser pressure of 6 kPa. Saturated liquid exits the open feedwater heater at 1 MPa. The net power output for the cycle is 330 MW. For isentropic processes in the turbines and pumps.

Determine:
a. the cycle thermal efficiency.
b. the mass flow rate into the first turbine stage, in kg/s.
c. the rate of entropy production in the open feedwater heater, in kW/K.

Answers

Answer:

a) 0.489

b) 54.42 kg/s

c) 247.36 kW/s

Explanation:

Note that all the initial enthalpy and entropy values were gotten from the tables.

See the attachment for calculations

A power plant operates on a regenerative vapor power cycle with one open feedwater heater. Steam enters
A power plant operates on a regenerative vapor power cycle with one open feedwater heater. Steam enters
A power plant operates on a regenerative vapor power cycle with one open feedwater heater. Steam enters

a rectangular area that can contain a document, program, or message is called a:.
a) dialog box
b) form
c) frame
d) window

Answers

A window is a fundamental element of modern computer interfaces that allows users to interact with software applications and programs. So the correct option is d) window

A rectangular area that can contain a document, program, or message is called a window. A window is a graphical user interface element that displays the contents of an application or program. It can be moved, resized, minimized, and closed using various buttons and controls. The contents of a window can vary depending on the application or program running in it. For example, a text editor program would display a blank document in a window, while a web browser would display a webpage. The purpose of a window is to allow users to interact with the contents of an application or program in a visual and intuitive way.

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Question 8 A hotel is trying to gather data on their guests' satisfaction with their stay. Which of the following options would best help the hotel account for potential bias in their data? 1 point Only surveying guests who have booked their stay through a certain third-party website Only surveying guests who have stayed at the hotel during peak season Only surveying guests who have stayed at the hotel for more than 3 nights Surveying guests at random times throughout the year

Answers


Surveying guests at random times throughout the year would best help the hotel account for potential bias in their data. By surveying guests at random times throughout the year, the hotel can ensure that their data is representative of guests who stay at the hotel during different seasons, for different lengths of time, and who book their stay through different channels. This will help to minimize any potential bias that could arise from only surveying certain subsets of guests.

The easiest way for the hotel to control for potential bias in their statistics would be to survey visitors at various periods throughout the year.

Who is Surveying guests?

The hotel can make sure that the data in its survey of visitors is representative of those who stay there during various seasons, for various periods of time, and through various booking channels by conducting surveys of guests at random times throughout the year.

By solely surveying specific visitor subsets, any potential bias that might result will be reduced.

The most popular kind of guest satisfaction survey is the post-stay survey, which is given to guests after they have left the property and asks them about various elements of their stay.

Therefore, The easiest way for the hotel to control for potential bias in their statistics would be to survey visitors at various periods throughout the year.

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The angle of internal friction for a sandy soil was found to be 250 . If the saturated unit weight of the soil γ
sat

=125.4lb/ft
3
, find the ultimate shear strength (at failure) of the soil at 3ft depth (Hint: Use Mohr-Coulomb failure criteria)

Answers

To calculate the ultimate shear strength of the soil at a depth of 3 ft using the Mohr-Coulomb failure criteria, we need to use the following equation:

τ = c' + σtan(φ)

Where:

τ is the shear stress (ultimate shear strength)

c' is the effective cohesion intercept

σ is the effective normal stress

φ is the angle of internal friction

Given:

φ = 25° (angle of internal friction)

γ_sat = 125.4 lb/ft^3 (saturated unit weight of the soil)

Depth = 3 ft

First, we need to calculate the effective normal stress (σ) at the given depth:

σ = γ_sat * Depth

σ = 125.4 lb/ft^3 * 3 ft

σ = 376.2 lb/ft^2

Next, we can calculate the ultimate shear strength (τ) using the equation:

τ = c' + σtan(φ)

Since the effective cohesion intercept (c') is not provided in the given information, we cannot determine the exact value of τ without it. The cohesion intercept is a material-specific property and needs to be determined through laboratory or field tests.

Therefore, without knowing the value of the effective cohesion intercept (c'), we cannot calculate the ultimate shear strength of the soil at a depth of 3 ft using the given information.

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A 32x10^-6 F capacitor is connected to a 60V AC supply in series with a 56 ohm resistor. The current flowing in the circuit is 0.16 A.
Calculate the frequency of the AC supply.

Answers

The frequency of the AC supply is 0.036 Hz.

What is the frequency?

We know that an alternating current circuit is the kind of circuit in which we do have the resistor in addition to the to the capacitor or the inductor or both as the case may be.

Here we are told that; A 32x10^-6 F capacitor is connected to a 60V AC supply in series with a 56 ohm resistor. The current flowing in the circuit is 0.16 A.

We can tell that the impedance of the circuit can be obtained by the use of the formula;

V = IZ

V = voltage

I = current

Z = impedance

Z = V/I

Z = 60 V/0.16 A

Z = 375 ohms

Then we have;

Z = √R^2 - XC^2

375 = √(56)^2 - (1/2 * 3.142 * f *  32x10^-6)^ 2

140625 = 3136 - (1/2 * 3.142 * f *  32x10^-6)^ 2

140625 -  3136  =  (1/2 * 3.142 * f *  32x10^-6)^ 2

137489 = 1/2 * 10^-4 f

137489 * 2 * 10^-4 f = 1

f = 1/137489 * 2 * 10^-4

f = 0.036 Hz

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if the wall shear stress in a horizontal 50 m run of 400 mm diameter pipeline is 7.0 pa, what is the associated pressure drop in units of kpa? assume fully developed flow.

Answers

The pressure drop in a 50 m run of a 400 mm diameter pipeline with a wall shear stress of 7.0 Pa is 8.75 kPa.

To calculate the pressure drop, first, we need to find the friction factor (f) for fully developed flow.

Using the Darcy-Weisbach equation, we can relate wall shear stress (τ) to friction factor as follows:

τ = (1/2)ρv²f, where ρ is fluid density and v is fluid velocity.

Next, we can use the pressure drop equation: ΔP = f(L/D)(ρv²/2), where L is the pipeline length and D is the pipeline diameter.

Rearrange the equation for ΔP and substitute the known values, ΔP = (τ/ρ)(2L/D).

For simplicity, we'll assume a fluid density (ρ) of 1000 kg/m³.

Convert the diameter to meters (0.4 m) and calculate,

ΔP: (7.0 Pa / 1000 kg/m³)(2 * 50 m / 0.4 m) = 8.75 kPa.

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For an open loop system with transfer function of G(s) = = K s(s+2) If the control system has unity feedback, answer the following: • Find the damping ratio and natural frequency of the closed-loop system. • Plot the root locus of the system. Design a lead compensator such that the desired pole location is -o + j2. Note that K = # and o= =0.5

Answers

a = 0 and b = 0. The lead compensator becomes: C(s) = s / s This completes the design of the lead compensator.

To find the damping ratio and natural frequency of the closed-loop system, we need to determine the characteristic equation of the closed-loop system.

In a unity feedback system, the closed-loop transfer function is given by:

T(s) = G(s) / (1 + G(s)H(s))

where G(s) is the open-loop transfer function and H(s) is the transfer function of the feedback element (which is 1 in this case).

Given G(s) = K s(s+2), the closed-loop transfer function becomes:

T(s) = K s(s+2) / (1 + K s(s+2))

The characteristic equation is obtained by setting the denominator of the closed-loop transfer function to zero:

1 + K s(s+2) = 0

Simplifying the equation:

K s^2 + 2K s + 1 = 0

Now, we can determine the coefficients of the characteristic equation:

a = K

b = 2K

c = 1

The damping ratio (ζ) and natural frequency (ωn) of the closed-loop system can be calculated using the following formulas:

ζ = b / (2√(ac))

ωn = √(c / a)

Substituting the values:

ζ = (2K) / (2√(K * 1))

= √K

ωn = √(1 / K)

Therefore, the damping ratio (ζ) is √K and the natural frequency (ωn) is √(1 / K).

Now, let's plot the root locus of the system:

The root locus represents the possible locations of the closed-loop poles as the gain K varies from 0 to infinity. To plot the root locus, we need to determine the poles and zeros of the transfer function G(s)H(s).

In this case, the transfer function G(s)H(s) is:

G(s)H(s) = K s(s+2) / (1 + K s(s+2))

The poles of G(s)H(s) are the values of s that make the denominator of the transfer function zero:

1 + K s(s+2) = 0

Solving for s, we find the poles as:

s = -2 or s = -1/K

To plot the root locus, we start with the poles and move along the loci as the gain K changes. The root locus represents the values of s where the poles of the system lie.

Finally, we need to design a lead compensator to achieve the desired pole location of -o + j2. To do this, we can add a lead compensator of the form:

C(s) = (s + a) / (s + b)

where a and b are chosen to move the pole to the desired location. In this case, the desired pole location is -o + j2, so we need to choose a and b accordingly.

Since o = 0.5, the desired pole location becomes -0.5 + j2. By comparing this with the form of the lead compensator, we can equate the real and imaginary parts to find a and b:

-0.5 + a = -0.5

2 + b = 2

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Hi all, could you solve this please?
What is the value of the resistance R

Hi all, could you solve this please?What is the value of the resistance R

Answers

Answer:

try to 36v power and take 1a and intersect to 3

A simple solar collector is built by placing a 5-cm- diameter clear plastic tube around a garden hose whose outer diameter is 1.6 cm. The hose is painted black to maximize solar absorption, and some plastic rings are used to keep the spacing between the hose and the clear plastic cover constant. During a clear day, the temperature of the hose is measured to be 65°C,

Answers

The energy absorbed from the solar collector is approximately 3.16 w/m

What is the Energy Absorbed

The approximate solar energy absorbed by the collector can be calculated using the following equation:

Solar Energy Absorbed (W/m) = (Aperture Area x Solar Irradiance x Efficiency) / Hose Length

Aperture Area = π x (0.05 m)² = 0.0079 m2

Solar Irradiance = 1000 W/m²

Efficiency = (65°C - 25°C) / (100°C - 25°C) = 0.4

Hose Length = 1 m

Therefore, the approximate solar energy absorbed by the collector is:

Solar Energy Absorbed (W/m) = (0.0079 m² x 1000 W/m² x 0.4) / 1 m = 3.16 W/m

The energy absorbed is 3.16 watt per meter.

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complete question:

A simple solar collector is built by placing a 5-cm- diameter clear plastic tube around a garden hose whose outer diameter is 1.6 cm. The hose is painted black to maximize solar absorption, and some plastic rings are used to keep the spacing between the hose and the clear plastic cover constant. During a clear day, the temperature of the hose is measured to be 65°C, while the ambient temperature is 25°C. What is the approximate solar energy absorbed by the collector, in watts per meter of length of the hose?

Which number is equivalent to the decimal number 149?
A.
11011011
B.
100101012
C. 001001112
D. 101010012

Answers

Answer:

letter B

Explanation:

basta yan anwer

which variable in an experiment is manipulated by the researcher

Answers

In an experiment, the variable that is manipulated by the researcher is called the independent variable.

The independent variable is the factor or condition that the researcher deliberately changes or controls to observe its effect on the dependent variable. The independent variable is often denoted as "X" and is the presumed cause or predictor variable in the experiment. The researcher selects the values or levels of the independent variable and manipulates it systematically across different experimental conditions or groups.

For example, in a study investigating the effect of different fertilizer types on plant growth, the researcher may manipulate the independent variable, which is the type of fertilizer applied to the plants. The researcher may have different groups of plants, each receiving a different fertilizer type (e.g., Group A: Fertilizer X, Group B: Fertilizer Y, etc.). By manipulating the independent variable, the researcher can observe and measure how the different fertilizer types impact the dependent variable, which in this case would be the plant growth.

It is important to carefully control and manipulate the independent variable to ensure that any observed effects on the dependent variable can be attributed to the changes in the independent variable rather than other factors. This allows researchers to establish cause-and-effect relationships and draw valid conclusions from their experiments.

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PLEASE HELP I NEED THIS ASP!!

PLEASE HELP I NEED THIS ASP!!

Answers

Answer:

up up down down

Explanation:

left right left right b a select start

draw the structure of the neutral organic product formed in the reaction shown. do not include counterions or byproducts.

Answers

Answer:

Already drawn without counterions or byproducts

draw the structure of the neutral organic product formed in the reaction shown. do not include counterions

2.24 Carbon dioxide (CO2) gas in a piston-cylinder assembly undergoes three processes in series that begin and end at the same state (a cycle). Process 1-2: Expansion from state 1 where p1 = 10 bar, V1 = 1 m3, to state 2 where V2 = 4 m3. During the process, pressure and pV1.5 volume are related by = constant. Process 2-3: Constant volume heating to state 3 where p3 = 10 bar. Process 3-1: Constant pressure compression to state 1. Sketch the processes on p –V coordinates and evaluate the work for each process, in kJ. What is the net work for the cycle, in kJ?

Answers

Answer:

Explanation:

Given that:

From process 1 → 2

\(P_1 = 10 bar \\ \\ V_1 = 1 m^3 \\ \\ V_2 = 4 m^3\)

\(PV^{1.5} = \ constant\)

\(\gamma = 1.5\)

Process 2 → 3

The volume is constant i.e \(V_2 =V_3 = 4m^3\)

\(P_3 = 10 \ bar\)

Process 3 → 1

P = constant  i.e the compression from state 1

Now, to start with 1 → 2

\(P_1V_1^{1.5} = P_2V_2^{1.5}\)

\(P_2 = P_1 (\dfrac{V_1}{V_2})^{1.5}\)

\(P_2 = 10 \times (\dfrac{1}{4})^{1.5}\)

\(P_2 =1.25\)

The work-done for the process  1 → 2 through adiabatic expansion is:

\(W = \dfrac{1}{1-\gamma}[P_2V_2-P_1V_1]\)

We know that 1 bar = \(10^5 \ N/m^2\)

\(W = \dfrac{1}{1-1.5}[1.25 \times 10^5 \times 4- 10 \times 10^5 \times 1]\)

\(W =1000000 \ J\)

\(W_{1 \to 2} = 1000 kJ\)

For process 2 → 3

Since V is constant

Thus:

W = PΔV = 0

\(W_{2 \to 3} = 0\)

For process 3 → 1

W = PΔV

\(W _{3 \to 1} = P_3(V_1-V_3)\)

\(W _{3 \to 1} = 10 \times 10^5 (1-4)\)

\(W _{3 \to 1} = 10 \times 10^5 (-3)\)

\(W _{3 \to 1} = -3 \times 10^6 \ J\)

\(W _{3 \to 1} = -3000 \ kJ\)

The net work-done now  for the entire system is :

\(W_{net} = W_{1 \to 2} + W_{2 \to 3 } + W_{ 3 \to 1 }\)

\(W_{net} = (1000 + 0 + (-3000)) \ kJ\)

\(W_{net} =-2000 \ kJ\)

The sketch of the processes on p -V coordinates can be found in the image attached below.

2.24 Carbon dioxide (CO2) gas in a piston-cylinder assembly undergoes three processes in series that

A) The work done for each process are :

Process (1 - 2) = 1000 kJ Process (2 - 3) = 0 kJ process (3 - 1) = -3000 kJ

B) The net work for the cycle = -2000 kJ

Given Data :

For process (1 -2)      For process ( 2 - 3 )       process ( 3 - 1 )

P₁ = 10 bar                   P₃ = 10 bar                  constant pressure compression

V₁ = 1 m³                  constant volume heating

V₂ = 4 m³

PV\(^{1.5}\) = constant

A) Determine work done for each process

Calculate work done for process (1 - 2)

W₁ ₋ ₂ = \(\frac{P_{1}V_{1} - P_{2}V_{2} }{n -1 }\) * 100

         = [ ( 10*1 ) - ( 1.25 * 4 ) ] / 1.5 - 1

         = [ 10 - 5 ] / 0.5

         = 10 * 100 = 1000 kJ

Calculate work done for process ( 2-3 )

given that there is constant volume heating

W₂₋₃ = 0 kJ

Calculate work done for process ( 3-1)

W₃₋₁ = P ( Δ V )     given that p = constant

       = 10 * 100 ( -3 )

       = - 3000 kJ

B) The net work for the cycle

W₁ ₋ ₂  +  W₂₋₃  + W₃₋₁

= 1000 kJ  + 0 kJ  +  - 3000 kJ

= - 2000 kJ

Hence we can conclude that the ) The work done for each process are :

Process (1 - 2) = 1000 kJ Process (2 - 3) = 0 kJ process (3 - 1) = -3000 kJ

and The net work for the cycle = -2000 kJ

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Attached below is the P-V sketch of the process

2.24 Carbon dioxide (CO2) gas in a piston-cylinder assembly undergoes three processes in series that

why you so mean to me? leave my questions please. answer them

Answers

Answer: Why is even here then.

Explanation:

About what thickness of aluminum is needed to stop a beam of (a) 2.5-MeV electrons, (b) 2.5-MeV protons, and (c) 10-MeV alpha particles?

Answers

The thickness of aluminium needed to stop the beam electrons, protons and alpha particles at the given dfferent kinetic energies is 1.5 x 10⁻¹⁴ m.

Thickness of the aluminum

The thickness of the aluminum can be determined using from distance of closest approach of the particle.

\(K.E = \frac{2KZe^2}{r}\)

where;

Z is the atomic number of aluminium  = 13e is charge r is distance of closest approach = thickness of aluminiumk is Coulomb's constant = 9 x 10⁹ Nm²/C²For 2.5 MeV electrons

\(r = \frac{2KZe^2}{K.E} \\\\r = \frac{2 \times 9\times 10^9 \times 13\times (1.6\times 10^{-19})^2}{2.5 \times 10^6 \times 1.6 \times 10^{-19}} \\\\r = 1.5 \times 10^{-14} \ m\)

For 2.5 MeV protons

Since the magnitude of charge of electron and proton is the same, at equal kinetic energy, the thickness will be same. r = 1.5 x 10⁻¹⁴ m.

For 10 MeV alpha-particles

Charge of alpah particle = 2e

\(r = \frac{2KZe^2}{K.E} \\\\r = \frac{2 \times 9\times 10^9 \times 13\times (2 \times 1.6\times 10^{-19})^2}{10 \times 10^6 \times 1.6 \times 10^{-19}} \\\\r = 1.5 \times 10^{-14} \ m\)

Thus, the thickness of aluminium needed to stop the beam electrons, protons and alpha particles at the given dfferent kinetic energies is 1.5 x 10⁻¹⁴ m.

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is used to change physical objects and 3-D ideas into 2-D drawing that effectively describe the design and features of an object, so the object can be documented and manufactured.

Answers

Answer:

2D CAD Software Application

Explanation:

Two Dimensional Computer-Aided Design Software Application is otherwise known as 2D CAD software application such as AutoCAD or MicroStation is used to change physical objects and 3-D ideas into a 2-D drawing that effectively describe the design and features of an object, so the object can be documented and manufactured.

The utilization of a 2D CAD software application saves time and revision to construction drawings can quickly be made without having to redesign the whole drawings from the scratch.

you will build a vending machine program. the vending machine will contain 8 different soft drinks. each soft drink will have a different price from each other. the vending machine will collect cash and credit card for purchase. the vending machine should let the user know what the prices are and should vend a drink as many times as they want. the vending machine should tell the user that one or more beverages are out of stock if that occurs. the vending machine should ensure that the correct amount is validated for purchase and change given if necessary.

Answers

Using the knowledge in computational language in JAVA it is possible to write a code that the vending machine will collect cash and credit card for purchase.

Writting the code:

public class vendingMachine {

  private static final int[] prices = {100, 75, 50, 25};

  private static final String[] drinks = {"Coke", "Pepsi", "Sprite", "Water"};

  public static void main(String[] args) {

      Scanner scanner = new Scanner(System.in);

      boolean running = true;

      while (running) {

          System.out.println("Welcome to the vending machine! Please make a selection:");

          for (int i = 0; i < prices.length; i++) {

              System.out.println(i + ") " + drinks[i] + " - $" + prices[i] / 100.0);

          }

          System.out.println("4) Quit");

          int selection = scanner.nextInt();

          if (selection == 4) {

              running = false;

          } else {

              System.out.println("You selected " + drinks[selection] + ". Please insert $" + prices[selection] / 100.0);

              int moneyInserted = scanner.nextInt();

              if (moneyInserted < prices[selection]) {

                  System.out.println("Not enough money for purchase. Please insert additional $" + (prices[selection] - moneyInserted) / 100.0);

              } else {

                  System.out.println("Vending " + drinks[selection] + "...");

                  System.out.println("Your change is $" + (moneyInserted - prices[selection]) / 100.0);

              }

          }

      }

      scanner.close();

  }

}

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you will build a vending machine program. the vending machine will contain 8 different soft drinks. each

Resistors are used to reduce current flow, adjust signal levels to divide voltages, bias active elements and terminate transmission line.true or false

Answers

Answer:

True

Explanation:

Those are the exact uses of a resistor

How many grains are on the surface of the head of a pin? assume that the head of a pin is spherical with a 1-mm diameter and has an astm grain size of 10

Answers

Answer:

Given, diameter of pin head d = 1 mm = 1/25.4 = 0.0394 in Surface area of a pinhead, A = 4pr^2 =

Explanation:

eesh

Hey guys can anyone list chemical engineering advancement that has been discovered within the past 20 years

Answers

Top 10 Emerging Technologies in Chemistry
Nanopesticides. The world population keeps growing. ...
Enantio selective organocatalysis. ...
Solid-state batteries. ...
Flow Chemistry. ...
Porous material for Water Harvesting. ...
Directed evolution of selective enzymes. ...
From plastics to monomers. ...

The Release Train Engineer is a servant leader who displays which two actions or behaviors?

Answers

Explanation:

The Release Train Engineer (RTE) has the main work of supporting as well as coaching the Agile Release Train (ART). They are capable of steering ART successfully and to navigate the complexity in delivering  the software in large and inter-functional environments.  

They serve the scrum master and coach teams to improve on the results.

The two actions or behaviors of the RTE are :

1. They try to create an environment of the mutual influence.  

2. Listens and also supports the teams in problem identification as well as decision-making.

                   

The behaviors or actions that the release train engineer does include:

Operating within the lean budget.Facilitating demos

The release train engineer refers to a servant leader who is responsible for facilitating program-level processes and executes them.

The release train engineer is also responsible for driving continuous development, managing risks, and escalating impediments. Some of their actions include operating within the lean budget and facilitating demos.

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20 points and brainliest is it A, B, C, D
Using your Greek roots and context clues, figure out the meaning of “fissures” in this sentence and select the best definition:

“Look at these recent fissures in the granite roof”

A. an opening made by splitting
B. a crack made from crushing
C. a line made from evaporation
D. a line made from sediment deposits

Answers

Answer:

B

Explanation:

How did engineers help to create a ceiling fan

Answers

Answer:

The electric ceiling fan was invented in 1882 by engineer and inventor, Philip Diehl. He had earlier invented an electric sewing machine and adapted the motor from this invention to create the ceiling fan. He called his invention the “Diehl Electric Fan” and it was such a success that he soon had many other people competing with him.

Explanation:

The rectifier is used to

Answers

Answer:

A rectifier is an electrical device used to convert alternating current to direct current.

Explanation:

Hope this helps! Shalom

In unguided medium (free space), the electromagnetic (EM) signal wave spreads as it leaves the transmit antenna. Since the power of the EM signal resides at the surface area of the wave front, signal power is described as signal power density (i.e., watts per area).

a. True
b. False

Answers

Answer:

a. True

Explanation:

Which personal protective equipment (PPE) should you wear when working around asbestos-containing materials?
A) Respiratory protectionB) Protective work clothing, including gloves C) Face shields and/or vented goggles D) All of the above

Answers

Answer:

d

Explanation:

yea

Answer:

D

Explanation:

Estimating the size and type of the "standard" and "advanced" network circuits is called _________.
a. needs categorization
b. turnpike design
c. cost assessment
d. capacity planning
e. soliciting RFPs

Answers

Estimating the size and type of the "standard" and "advanced" network circuits is called capacity planning.

Capacity planning involves evaluating the network requirements, traffic patterns, and projected growth to determine the appropriate size and type of network circuits. It aims to ensure that the network infrastructure can adequately handle the anticipated workload and meet performance expectations. By considering factors such as bandwidth requirements, network utilization, data transfer rates, and potential bottlenecks, capacity planning helps organizations optimize their network resources and make informed decisions regarding circuit sizing and provisioning. This process assists in avoiding network congestion, optimizing network performance, and ensuring that the network circuits are sufficient to meet the organization's present and future needs.

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