When we move away from the load towards the generator, the location of the load on a Smith Chart changes. As the distance from the load to the generator increases.
Tthe magnitude of the reflection coefficient at the load increases while its phase angle decreases, and vice versa.The location of the load on a Smith Chart is determined by the reflection coefficient and its phase angle. The reflection coefficient is the ratio of the reflected wave amplitude to the incident wave amplitude, and the phase angle is the phase difference between the reflected and incident waves.
If we move away from the load towards the generator, the reflection coefficient magnitude at the load will increase, which will move the location of the load on the Smith Chart towards the edge of the chart (towards the right). At the same time, the phase angle of the reflection coefficient at the load will decrease, which will move the location of the load counterclockwise around the Smith Chart.
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just above cumulus humilis clouds you would expect to find
Just above Cumulus humilis clouds, which are low-level clouds typically found at altitudes of around 1,000 to 2,000 meters, you would expect to find a layer of higher-altitude clouds known as Altostratus clouds.
Altostratus clouds are mid-level clouds that typically form at altitudes between 2,000 and 6,000 meters. They are characterized by a uniform, gray or blue-gray appearance and are often associated with light to moderate precipitation.
Altostratus clouds can form from the gradual spreading and thickening of Cumulus clouds, as well as from the lifting and cooling of air masses in frontal systems. They can also form in the wake of other weather systems, such as tropical cyclones or thunderstorms.
The presence of Altostratus clouds above Cumulus humilis clouds can indicate a change in the weather, such as the approach of a frontal system or the development of a low-pressure system. In some cases, the combination of these two cloud types can also result in the formation of other cloud types, such as Cumulonimbus clouds, which are associated with thunderstorms.
Overall, the vertical distribution of clouds in the atmosphere is an important indicator of the weather and can provide valuable information for weather forecasting and analysis.
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16. In a series circuit of three resistors in series with R = 100 2, Rz=5002, and R = 15000 2.
What is the total resistance for the circuit? Show your calculations.
Answer:
15,600 Ω
Explanation:
The total resistance in a series circuit is the sum of the resistances that are in series:
100 Ω + 500 Ω + 15000 Ω = (100 +500 +15000) Ω = 15,600 Ω
Answer:
\(15.600 \: ohms\)The total resistance for the Circuit.in series with R= 100 2, Ra = 5002 and R= 15 000 2.Q2 [45 marks] Consider Ibra region where the installed solar panels cost on average 2 OMR /W.
[10 marks] What is the cost to install a 5kW PV system for a residence?
[10 marks] If the solar irradiance in Ibra is on average 800W/m2 and the installed panels have efficiency of 18%. How many panels are required if the panel’s area is 2m2?
[15 marks] Assume Ibra has an average of 10 day-hours, dusty environment which causes the efficiency of the solar system to drop by 10% on average, and 30 cloudy days/year which cause the efficiency of the solar panels drops by 50%. If electrical power cost per kWh is 0.05 OMR determine the break-even time for the 5kW PV system.
[10 marks] If the system to be off-grid, what would be the backup time if three 12-V batteries were selected each with a capacity of 200Ah. Assume that you can discharge the batteries up to 80% of their capacities.
Answer:
so hard it is
Explanation:
I don't know about this
please mark as brainleast
byýyy
emulate a circuit that takes in 3 inputs (a, b, c) and whose output q is true only when at least 2 of the 3 inputs are false.
The following Boolean expression describes the desired logic: q = (NOT a AND NOT b) OR (NOT a AND NOT c) OR (NOT b AND NOT c). This expression can be implemented using various circuit designs.
Here's one possible implementation using NAND gates:
a b c
| | |
NAND NAND
\ / |
NAND |
\ /
NAND
|
q
The circuit that implements the desired logic of outputting "true" only when at least two of the three inputs (a, b, c) are false can be constructed using NAND gates. NAND gates are digital logic gates that produce an output of false when both inputs are true, and true otherwise. In this circuit, we first use NAND gates to invert each of the inputs. This means that if an input is true, the corresponding output from the NAND gate will be false, and vice versa. Next, we use NAND gates to combine the inverted inputs. This way, the output from each NAND gate will be true only if both inputs are false. Finally, we use another NAND gate to combine the outputs from the previous NAND gates. This will result in an output of true only when at least two of the inputs are false, as desired. By using NAND gates in this manner, we can simplify the design and reduce the number of components required, since NAND gates can be constructed using only two transistors.
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An air-conditioning system involves the mixing of cold air and warm outdoor before the mixture is routed to the conditional room in steady operation. Cold air enters the mixing chamber at 7 C and 105kpa at a rate of 0. 55 m3/s while warm air enters at 34 C and 105 kpa. The air leaves the room at 24 C.
The ratio of the mass flow rates of the hot to cold air steams is 1. 6
using variable specific heats, determine
a) the mixture temperture at the inlet of the room
b) the rate of heat gain of the room
A rectangular channel 3-m-wide carries 12 m^3/s at a depth of 90cm. Is the flow subcritical or supercritical? For the same flowrate, what depth will five critical flow?
Answer:
Super critical
1.2 m
Explanation:
Q = Flow rate = \(12\ \text{m}^3/\text{s}\)
w = Width = 3 m
d = Depth = 90 cm = 0.9 m
A = Area = wd
v = Velocity
g = Acceleration due to gravity = \(9.81\ \text{m/s}^2\)
\(Q=Av\\\Rightarrow v=\dfrac{Q}{wd}\\\Rightarrow v=\dfrac{12}{3\times 0.9}\\\Rightarrow v=4.44\ \text{m/s}\)
Froude number is given by
\(Fr=\dfrac{v}{\sqrt{gd}}\\\Rightarrow Fr=\dfrac{4.44}{\sqrt{9.81\times 0.9}}\\\Rightarrow F_r=1.5\)
Since \(F_r>1\) the flow is super critical.
Flow is critical when \(Fr=1\)
Depth is given by
\(d=(\dfrac{Q^2}{gw^2})^{\dfrac{1}{3}}\\\Rightarrow d=(\dfrac{12^2}{9.81\times 3^2})^{\dfrac{1}{3}}\\\Rightarrow d=1.2\ \text{m}\)
The depth of the channel will be 1.2 m for critical flow.
Plastic tubing wall thickness is acceptable for use in anchorage systems when
The acceptable wall thickness of plastic tubing in anchorage systems depends on the load capacity and specific requirements of the system. Walls are preferable for higher loads and more demanding applications.
However, it is important to consider the material composition and quality, as well as the environmental conditions that the tubing will be exposed to. It is also essential to follow manufacturer recommendations and industry standards when selecting and installing anchorage systems. The use demanding applications. of plastic tubing in anchorage systems is common in various industries, such as construction, transportation, and manufacturing. Still, it is crucial to ensure that the tubing can withstand the intended loads and stresses while maintaining structural integrity over time. Additionally, regular inspections and maintenance are necessary to ensure the continued safety and effectiveness of the anchorage system.
A government is a state or community's system of governance in general. According to the Columbia Encyclopaedia, government is "a type of social control where the authority to create laws and the right to execute them is vested in a certain group in society."
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Define;
i) Voltage
ii) Current
iii) Electrical Power
iv) Electrical Energy
Answer:
I) Voltage - is the pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop, enabling them to do work such as illuminating a light. In brief, voltage = pressure, and it is measured in volts (V).
II) Current - is the movement of electrons through a wire. Electric current is measured in amperes (amps) and refers to the number of charges that move through the wire per second. If we want current to flow directly from one point to another, we should use a wire that has as little resistance as possible.
III) Electrical Power - is the rate, per unit time, at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Electric power is usually produced by electric generators, but can also be supplied by sources such as electric batteries.
IV) Electrical Energy - is a form of energy resulting from the flow of electric charge. Energy is the ability to do work or apply force to move an object. In the case of electrical energy, the force is electrical attraction or repulsion between charged particles.
Explanation:
I hope ot helps to you a lot! Correct me if I'm wrong.
What is the acceleration of a 0.8 kg vehicle powered by 0.07 N of force?
Using the Newton's second law of motion we will see that the acceleration is 0.0875 m/s^2.
What is the acceleration of the vehicle?The acceleration of a vehicle is determined by the force acting on it and its mass, as described by Newton's second law of motion:
F = m * a
where F is the force acting on the object, m is the mass of the object, and a is the resulting acceleration.
In this case, the force acting on the vehicle is 0.07 N, and the mass of the vehicle is 0.8 kg. Substituting these values into the equation above, we get:
0.07 N = 0.8 kg * a
Solving for a, we get:
a = 0.07 N / 0.8 kg
a = 0.0875 m/s^2
Therefore, the acceleration of the 0.8 kg vehicle powered by 0.07 N of force is 0.0875 m/s^2.
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true or false SolarEdge Designer can be used for both residential and commercial systems.
Answer:
false because it doesn't sound right
True. SolarEdge Designer is a software tool that can be used for designing and planning solar PV systems for both residential and commercial applications.
It provides the ability to configure and optimize system components, calculate energy production, and estimate the overall performance of the system. Whether you are designing a small residential system or a large-scale commercial project, SolarEdge Designer can be a useful tool for solar professionals to ensure a successful installation. SolarEdge Designer is a versatile tool that can be used for designing both residential and commercial solar energy systems. It allows users to create optimized solar designs, ensuring maximum energy production and efficient system layouts. This makes it an ideal solution for professionals working with various types of solar projects.
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Fill in the blank to output the quotient of dividing 100 by 42. print (100______42)
Answer:
print(100/42)
Explanation:
This is the operand for division in python and some other languages.
containers transporting more than 1000 pounds of non-bulk packages are required to be placarded on
Containers transporting more than 1000 pounds of non-bulk packages are required to be placarded on all four sides of the vehicle.
What is the requirement for placarding containers transporting more than 1000 pounds of non-bulk packages?Containers transporting more than 1000 pounds of non-bulk packages are required to be placarded on all four sides of the vehicle.
Placards are large, diamond-shaped signs that communicate the type of hazardous material being transported.
They are used to alert emergency responders, other drivers, and the public about the potential hazards associated with the cargo. Placarding helps ensure safety and proper handling of the materials during transportation.
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8.28 Water is the working fluid in an ideal Rankine cycle with superheat and reheat. Steam enters the first-stage turbine at 1400 lbf/in.2 and 10008F, expands to a pressure of 350 lbf/in.2, and is reheated to 9008F before entering the secondstage turbine. The condenser pressure is 2 lbf/in.2 The net power output of the cycle is 1 3 109 Btu/h. Determine for the cycle (a) the mass flow rate of steam, in lb/h. (b) the rate of heat transfer, in Btu/h, to the working fluid passing through the steam generator. (c) the rate of heat transfer, in Btu/h, to the working fluid passing through the reheater. (d) the thermal efficiency.
Answer:
Betbtybrbytntrnyrnrynunjhjhnthnnhtnnthnhtnnhnhrnntnthhnhnhtnthn
Explanation:
2.) Technician A says that milky colored ATF could indicate a leaking transmission cooler in the radiator.
Technician B says that milky colored ATF could indicate the presence of leak detection dye.
Who is right?
OA. A only
OB. B only
OC. Both A and B
OD. Neither A nor B
When applied to a directory, the SGID special permission ________________.
a. causes all new files created in the directory to have the same group membership as the directory, and not the entity that created them
b. cannot be used, because it is applied only to files
c. allows users to use more than two groups for files that they create within the directory
d. causes users to have their permissions checked before they are allowed to access files in the directory
When applied to a directory, the SGID special permission causes all new files created in the directory to have the same group membership as the directory, and not the entity that created them.
SGID stands for Set Group ID, which is a type of Unix/Linux file permission. It is used when a directory's owner wants the files to retain the directory's group ownership over new files when the directory's permission is set to write. It implies that a newly created file in a directory will inherit the same group ID as its parent directory. The SGID's role is to ensure that whenever a new file is added to a folder, it inherits the group permissions of its parent folder. This can come in helpful when a file needs to be shared among multiple users or groups. The SGID permission works on directories rather than files, although files may also benefit from the SGID's permissions.
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It is recommended to use a Poisson process to model the number of failures in commercial water
pipes, the estimates of the failure rate are given, in units of failures per 100 km of pipe per day,
A Poisson process is a statistical model that describes the occurrence of rare events over time or space. It is commonly used to model the number of failures in commercial water pipes.
One of the advantages of using a Poisson process to model the number of failures in commercial water pipes is that it allows for the calculation of the probability of multiple failures occurring within a given time period. For example, if the failure rate is estimated to be 1 failure per 100 km of pipe per day, the probability of two failures occurring in a 24 hour period can be calculated.
In addition, the Poisson process can be used to determine the expected number of failures over a given time period. For example, if the failure rate is estimated to be 1 failure per 100 km of pipe per day, the expected number of failures over a 30-day period would be 30 failures.
In conclusion, the Poisson process is a useful statistical model for estimating the number of failures in commercial water pipes. It allows for the calculation of the probability of multiple failures occurring within a given time period, as well as the expected number of failures over a given time period. However, it is important to consider the assumptions of the model and to be aware of potential sources of variation in the rate of failures over time.
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A fan is to be selected to ventilate a bathroom whose
dimensions are 2 m × 3 m × 3 m. The air velocity is not to
exceed 7 m/s to minimize vibration and noise. The combined
efficiency of the fan–motor unit to be used can be taken to
be 50 percent. If the fan is to replace the entire volume of air
in 15 min, determine (a) the wattage of the fan–motor unit to
be purchased, (b) the diameter of the fan casing, and (c) the
pressure difference across the fan. Take the air density to be
1.25 kg/m3
and disregard the effect of the kinetic energy correction factors.
Answer:
18 000 liters
Explanation:
Mass flow rate = volumetric flow rate x density of air at that elevation
M = 0.3m3/min x 0. 7kg/m3 = 0.21kg/min
min diameter of fan = 0.063m
the velocity V must not exceed 95m/min,
Using Q = AV
A is the surface area of the fan
Q = 0.3m3/min, from above
A = Q/V = 0.3/95 = 0.003157m2
But A = (¶d^2)/4
d^2 = 4A/¶ = 4 x 0.003157/3.142
d^2 = 0.004019
d = 0.063m
The combined efficiency of the fan–motor unit to be used can be taken to be 50 percent. If the fan is to replace the entire volume of air in 15 min, determine the wattage of the fan–motor unit to be purchased.
Mass flow rate = volumetric flow rate x density of air at that elevation
M = 0.3m3/min x 0. 7kg/m3 = 0.21kg/min
min diameter of fan = 0.063m
the velocity V must not exceed 95m/min,
Using Q = AV
A is the surface area of the fan
Q = 0.3m3/min, from above
A = Q/V = 0.3/95 = 0.003157m2
But A = (¶d^2)/4
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abost
23. Using cutting material which can sustain high temperature oqmo
srit noenon oliooga r
(a) cerment
(b) high carbon steel alloy
(c) composite of two metals
(d) none of the above
Answer:
(b) high carbon steel
Explanation:
High carbon steel alloys are known for their excellent heat resistance, making them suitable for cutting operations where high temperatures may be generated, such as cutting through hard materials or high-speed cutting processes.
A low-altitude meteorological research balloon, temperature sensor, and radio transmitter together weigh 2.5 lb. When inflated with helium, the balloon is spherical with a diameter of 4 ft. The volume of the transmitter can be neglected when compared to the balloon's size. The balloon is released from ground level and quickly reaches its terminal ascent velocity. Neglecting variations in the atmosphere's density, how long does it take the balloon to reach an altitude of 1000 ft?
Answer:
12 mins
Explanation:
The summation of the forces in vertical direction
= Fb - Fd - w = 0 ∴ Fd = Fb - w ----- ( 1 )
Fb ( buoyant force ) = Pair * g * Vballoon ------- ( 2 )
Pair = air density , Vballoon = volume of balloon
Vballoon = \(\frac{\pi D^3}{6}\) , where D = 4 ∴ Vballoon = 33.51 ft^3
g = 32.2 ft/s^2
From property tables
Pair = 2.33 * 10^-3 slug/ft^3
μ ( dynamic viscosity ) = 3.8 * 10^-7 slug/ft.s
Insert values into equation 2
Fb = ( 2.33 * 10^-3 ) * ( 32.2 ) *( 33.51 ) = 2.514 Ib
∴ Fd = 2.514 - 2.5 = 0.014 Ib ( equation 1 )
Assuming that flow is Laminar and RE < 1
Re = (Pair * vd) / μair -------- ( 3 )
where: Pair = 2.33 * 10^-3 slug/ft^3 , vd = ( 987 * 4 ) ft^2/s , μair = 3.8 * 10^-7 slug/ft.s
Insert values into equation 3
Re = 2.4 * 10^7 ( this means that the assumption above is wrong )
Hence we will use drag force law
Assume Cd = 0.5
Express Fd using the relation below
Fd = 1/2* Cd * Pair * AV^2
therefore V = 1.39 ft/s
Recalculate Reynold's number using v = 1.39 ft/s
Re = 34091
from the figure Cd ≈ 0.5 at Re = 34091
Finally calculate the rise time ( time taken to reach an altitude of 1000 ft )
t = h/v
= 1000 / 1.39 = 719 seconds ≈ 12 mins
list the components of a typical Foundation drainage system and their functions.
Explanation:
In this series, the professionals at the B.O.L.D. Company will take you through the process of building a custom home in the Greater Cincinnati – Northern Kentucky area. From plan and lot selection, to mortgage approval, to the actual construction, we’ll take you behind-the-scenes each week for an inside look at a different part of the process.
what are advantages of using sinusoidal Voltages
Answer:
The advantages of using a pure sine wave for your appliances and machinery are as follows: Reduces electrical noise in your machinery.
translates to no TV lines and no sound system hum.
Cooking in microwaves is quicker.
Explanation:
The smoothest signal is a sine wave, and sine waves are the basis of all functions.
Every other continuous periodic function is a basis function, which means that it can be described in terms of sines and cosines.
For instance, using the Fourier series, I can describe the fundamental Sinusoidal frequency and its multiples in terms of the triangle and square waves.
what is the risk value of a risk whose impact score is 5, whose probability score is 5 and whose detection score is 1?
The risk value of a risk whose impact score is 5, with a probability score is 5. The detection score is 25. The correct option is D.
What is the risk?The analysis's output, the risk score, is produced by dividing the Risk Impact Rating by the Risk Probability. It's the quantitative statistic that enables important individuals to decide about risks swiftly and with confidence.
Risk = probability x loss
The probability is 5
The impact score is 5
substituting the values in the equation
Risk = 5 x 5 = 25
Therefore, the correct option is D. 25.
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The question is incomplete. Your most probably complete question is given below:
A. 5
B. 1
C. 10
D. 25
A collar in a manufacturing line at point slides with a linear velocity of = 2/ and linear deceleration = 10/2 as shown below. The collar is attached to the line through a pin joint at point . The lengths of line = 40 and the length of line is 60. With the given information, find the following: a) The angular velocity of , ; b) The angular acceleration of , .
The angular velocity of point B is 1/30 rad/s, and the angular acceleration of point B is -1/120 rad/s²
a) To find the angular velocity of point B, we first need to find its linear velocity. Using the formula v = rω, where v is the linear velocity, r is the radius, and ω is the angular velocity, we can write:
v = 2/ (given)
r = 60 (length of line BC)
So, 2/ = 60ω
ω = 1/30 rad/s
b) To find the angular acceleration of point B, we can use the formula α = a/r, where α is the angular acceleration, a is the linear acceleration, and r is the radius. We can find the linear acceleration using the formula a = -deceleration = -10/2 = -5/ (negative sign indicates deceleration).
So, α = (-5/)/60
α = -1/120 rad/s²
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9. Which statement about permanent magnet wiper
motors is true?
The signal from a sensor on your experimental testing rig has three frequency components, one of which ( = 8000 rad/sec) you would like to monitor and the other two (2 = 29000 rad/sec and ; = 242000 rad/sec) are some type of noise that you would like to suppress This output from the sensor is connected to the circuit analyzed above in Part 1 as Vin(t) and can be described mathematically as follows: Vin(t) = 5.0sin(wt + 0) + 1.0sin(wt + 0) + 2.5sin(w3t + 0) 1. Plot the above function (Vin(t)) in MATLAB over a time range of 0 < t < 1 millisecond (ms) in time steps of 10 microseconds (us). Label both axes and include a caption for the plot. 2. Determine the appropriate expression for the output signal (V.(t)), for this Vin(t). (note: you will need to use your magnitude and phase response functions derived in Part 1 ; see the Lecture #27 notes for an example). 3. Plot V.(t) in MATLAB over the same time range of 0 < t< 1 millisecond (ms) in time steps of 10 microseconds (us). Label both axes and include a caption for the plot. 4. In what ways has the filter impacted/changed Vin(t)? Provide your impressions remembering which part of the Vin(t) signal we care about.
The Vin(t) has an amplitude range of 0 to 5 and 0 to 2.5 for a period of 1 millisecond (ms). The time increments of 10 microseconds (us) must be plotted between the values of 0 to 1ms. Consequently, there are 100,000 data points in 1ms, with 10us intervals between each data point.
Part 1 Recap and Analysis Part 1 was concerned with the following circuit as shown below.
Vin (t) is fed into the high-pass filter, and Vout (t) is produced at the other end. The output voltage of this high-pass filter was obtained and examined in the frequency domain. To begin, the following variables were used:
RC = 1 x 10-4 s, R = 1 x 103 Ω, and C = 1 x 10-7 F.
Then, using the function h(f), the frequency response was defined as follows: H (f) = h (f)/h (0) = (RCf)/(1 + RCf). The magnitude response, H (f), and phase response, (f), were derived from this expression. Using MATLAB, both the phase and magnitude response were plotted against the frequency of the input signal.
The cutoff frequency (fc) was determined to be 1000 Hz, and the bandwidth (B) was calculated to be 1 kHz. The filter is considered a high-pass filter since it has a 1st order response and is capable of passing signals at frequencies above its cutoff frequency while blocking signals below that frequency. The low frequencies and high frequencies are referred to as noise and signal, respectively.
Vin(t) Graphical RepresentationThe first step is to plot the function Vin(t) mathematically. Vout(t) is defined by the transfer function H(f), which is derived from Vin(t).
The first step is to plot Vin(t), which is given by:
Vin(t) = 5.0sin(wt + 0) + 1.0sin(wt + 0) + 2.5sin(w3t + 0) On the MATLAB Command Window, enter the following code: t = 0:0.00001:0.001; Vin = 5*sin(8000*pi*t)+ 1*sin(29000*pi*t)+ 2.5*sin(242000*pi*t); plot(t,Vin) xlabel('time (s)') ylabel('Amplitude (V)') title('Vin(t) Plot')
Output: The resultant Vin(t) is graphed below.
The initial part oscillates between 0 and 5, and the last section between 0 and 2.5. In other words, the function Vin(t) is made up of three components with different amplitudes and frequencies.
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Every time I take a photo, that photo has to be stored in a file somewhere within "My Files" correct?
How would I be able to take that photo out of the file it was stored?
Cut that photo by
1. Left click your mouse on the photo
2. Click cut
Then enter the file where you want to transfer and press
1. ctrl+v
Answer:
you can go to your file and then select the phpto and hold on a little bit and choose the delete option
How is the foundation for a skyscraper different from a house?
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.
nicole has difficulty controlling her pitch. which quality may describe her voice?
Breathiness may describe Nicole's voice if she has difficulty controlling her pitch.
When someone has difficulty controlling their pitch, it often results in a lack of stability and consistency in their vocal tone. This can manifest as variations in pitch that are unintentional or uncontrollable. One quality that may be associated with this issue is breathiness.
Breathiness refers to an excessive amount of air escaping through the vocal folds during phonation, resulting in a whispery or airy quality to the voice. It can make the voice sound weak or lacking in fullness, and it may also contribute to difficulties in maintaining pitch accuracy.
In Nicole's case, if she struggles to maintain control over her pitch, her voice may exhibit breathiness, indicating the presence of excessive air leakage during vocalization.
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Electricity is the flow of electrons from a negatively charged
material to a positively charged material.
Answer- TRUE
Any one know the answer?
Answer:
151.2 N
Explanation:
The upward force at A is 135/(135+325) times the total weight of the generator. The CW torque about point O that produces is ...
(460 mm)(135/460)(160 kg)(9.8 m/s^2) = 211.68 N·m
For F to produce half that torque, it must be ...
F(0.7 m) = (211.68 N·m)/2
F = 211.68 N·m/(1.4 m) = 151.2 N