Answer:
To solve this question, we would need to refer to the table mentioned in the given source material. Unfortunately, the table is not provided in the search results, so it cannot be displayed here. Can you please provide the table mentioned in the source material or more information about where it can be found?
Explanation:
Evaluate the following using half angle identities (a) cos(30∘), (b) tan(15∘)..
Answer:
a) √3/2 is the answer
b) √3 is the answer
A fast moving hurricane produces a constant rainfall intensity of 110 mm/h for 45 min. The area consists almost entirely of sandy loam, which typically has a saturated hydraulic conductivity of 9.1 mm/h, average suction head of 110 mm, porosity of 0.45, field capacity of 0.190, wilting point of 0.085, and depression storage of 4 mm. Calculate the cumulative infiltration after 30 min, assuming ponding is continuous from the beginning of the storm. Assume the initial water content is midway between the field capacity and wilting point..
Answer:
hello some part of your question is missing ( The table ) attached below is the missing detail related to your question
answer: cumulative infiltration after 30 mins = 6.7
Explanation:
Calculate the cumulative infiltration after 30 min
formula for calculating cumulative infiltration
= 11( t - tp + t' ) = F - 34.3 In ( 1 + 0.0291 * F )
Attached below is a detailed solution to the problem
Technician A says the term hot wire refers to the section of the circuit after the load or electric device. Technician says the ground wire refers to the section of the circuit after the load or electric device. Who is right?
Answer:
Technician B
Explanation:
In simplistic terms, the "hot wire" connects the load device to the source of electrical energy. The ground wire provides the return path for current from the load device to the energy source. In many circuits, the "ground wire" is at, near, or defined as "ground" potential (the actual potential of the Earth).
Technician A seems to be confused. Technician B is more correct.
Using the Equilibrium Equation (F1d1 = F2d2), find F1, if d1 = 30ft, and F2 = 1050lb, and d2=22ft. Please state your answer in pounds and round to the nearest whole number.
Answer:
77 lb
Explanation:
Equation: F₁d₁ = F₂d₂
Knowns:
d₁ = 30 ft
F₂ = 105 lb
d₂ = 22 ft
Solving for F₁:
1). F₁•30 = 105•22
2). F₁•30=2,310
3).\(\frac{F_1\cdot 30}{30}=\frac{2310}{30}\)
4). F₁ = 77 lb
Which one of the following answer options are your employers responsibility
Where are your answer options?
Answer:
Implement a hazard communication program
Explanation: i took the quiz
Consider the flow of mercury (a liquid metal) in a tube. How will the hydrodynamic and thermal entry lengths compare if the flow is laminar
Answer:
Explanation:
Considering the flow of mercury in a tube:
When it comes to laminar flow of mercury, the thermal entry length is quite smaller than the hydrodynamic entry length.
Also, the hydrodynamic and thermal entry lengths which is given as DLhRe05.0= for the case of laminar flow. It should be noted however, that Pr << 1 for liquid metals, and thus making the thermal entry length is smaller than the hydrodynamic entry length in laminar flow, like I'd stated in the previous paragraph
A single-phase 50-kVA, 2400/240-volt, 60-Hz distribution transformer is used as a step-down transformer at the load end of a 2400-volt feeder whose series impedance is (1.0 + j2.0) ohms. The equivalent series impedance of the transformer is (1.0 + j2.5) ohms referred to the highvoltage (primary) side. The transformer is delivering rated load at a 0.8 power factor lagging and at a rated secondary voltage. Neglecting the transformer exciting current.
Determine:
a. The voltage at the transformer primary terminals
b. The voltage at the sending end of the feeder.
c. The real and reactive power delivered to the sending end of the feeder.
The sections of piping immediately upstream and downstream of a primary flow measuring device are known as
The sections of piping immediately upstream and downstream of a primary flow measuring device are known as the "straight run."
The straight run refers to the lengths of piping that are required to be present immediately upstream and downstream of a primary flow measuring device. These sections of piping are necessary to ensure that the flow profile is fully developed and unaffected by any disturbances caused by bends, fittings, or obstructions in the pipe. The straight run allows the fluid to flow smoothly and uniformly before entering or exiting the flow measuring device, ensuring accurate and reliable measurements.
By providing sufficient straight run lengths, the flow profile becomes stable, minimizing turbulence and disturbances that could impact the accuracy of the flow measurement.
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Which of the following is not an advantage of a CIC hearing aid?
Group of answer choices
Cosmetically appealing
Elimination of wind noise
Improved sound localization
Low maintenance for cleaning and changing batteries
The option "Cosmetically appealing" is not an advantage of a CIC (Completely-in-Canal) hearing aid.
A CIC hearing aid is a small, discreet device that fits completely inside the ear canal. It offers several advantages, such as the elimination of wind noise, improved sound localization, and low maintenance for cleaning and changing batteries. However, one advantage it does not provide is being cosmetically appealing.
While CIC hearing aids are designed to be inconspicuous and blend with the natural appearance of the ear, they may not be considered cosmetically appealing by everyone. Some individuals may prefer other types of hearing aids that are less visible or have different aesthetic features. It's important to note that the perception of cosmetically appealing can vary from person to person, and it ultimately depends on individual preferences and priorities when choosing a hearing aid.
In summary, while CIC hearing aids offer advantages such as wind noise elimination, improved sound localization, and low maintenance, their cosmetic appeal may not be a universally agreed-upon advantage.
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advantage of iron meter
Answer:
Less Friction Error
Explanation:
The friction error is very less in the moving
iron instrument because their torque weight
ratio is high.
hope it helps!
Answer:
Universal Use -The MI instrument is independent of the of current and hence for both AC and DC
Explanation:
Mark as Brainlist Answer
aliza visited a website over https and saw a lock icon in the url bar, indicating a secure connection with a valid digital certificate. which of these statements describes the trust model in this scenario? choose 1 answer: choose 1 answer: (choice a) the browser trusts aliza, aliza trusts the certificate authority, and the certificate authority trusts the website. a the browser trusts aliza, aliza trusts the certificate authority, and the certificate authority trusts the website. (choice b) aliza trusts the certificate authority, the certificate authority trusts the browser, and the browser trusts the website. b aliza trusts the certificate authority, the certificate authority trusts the browser, and the browser trusts the website. (choice c) aliza trusts the browser, the browser trusts the certificate authority, and the certificate authority trusts the website. c aliza trusts the browser, the browser trusts the certificate authority, and the certificate authority trusts the website. (choice d) the certificate authority trusts aliza, aliza trusts the browser, and the browser trusts the website. d the certificate authority trusts aliza, aliza trusts the browser, and the browser trusts the website.
In this scenario, the statements describe trust model C. Aliza trusts the browser, the browser trusts the certificate authority, and the certificate authority trusts the website.
In this scenario, the trust model works as follows: Aliza trusts the browser to accurately display the security status of the website she is visiting. The browser, in turn, trusts the certificate authority (CA) to properly verify and issue valid digital certificates for websites. The certificate authority is responsible for validating the identity of the website and issuing a digital certificate to confirm its secure connection.
When Aliza sees the lock icon in the URL bar, it indicates that the browser has verified the digital certificate provided by the website, confirming that the connection is secure and the website's identity has been validated by the trusted CA. This trust model helps ensure that Aliza can confidently transmit sensitive information over the HTTPS connection, knowing that her data is being securely transmitted and protected from potential interception by unauthorized parties. Therefore, the correct option is C.
The question was incomplete, Find the full content below:
aliza visited a website over https and saw a lock icon in the url bar, indicating a secure connection with a valid digital certificate. which of these statements describes the trust model in this scenario? choose 1 answer: choose 1 answer:
A. the browser trusts aliza, aliza trusts the certificate authority, and the certificate authority trusts the website.
B. aliza trusts the certificate authority, the certificate authority trusts the browser, and the browser trusts the website.
C. aliza trusts the browser, the browser trusts the certificate authority, and the certificate authority trusts the website.
D. the certificate authority trusts aliza, aliza trusts the browser, and the browser trusts the website.
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the types of fire-extinguishing agents for aircraft interior fires are
Answer:
Halon 1211 or equivalent fire extinguishers are spaced throughout the cabin and easily accessible from the aisle or entryway. A water fire extinguisher is typically located near a lavatory-galley complex. In some cases, one or more Halon 1211 extinguishers are used in place of the water fire extinguisher.
Which type of memory is programmed at the factory? RAM ROM Cache or Virtual memory
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:
given rectangle abcd prove ac=bd
Rectangle ABCD is given.
To prove ac=bd
Show that the following is true: AC BD AB CD. Parallel sides A, B, and C and D exist. A D and B C are parallel sides.At a location designated as X, the diagonals B, D, and A cross one another.
Statement Rectangle Reason ABCD Given
A rectangle's opposite sides are congruent.
DC¯¯¯¯¯≅DC
ADC and BCD form a right angle.
Congruent angles are all just angles.Congruence of ADC, BCD, and SAS Postulate
AD¯¯¯¯¯≅BC ¯¯¯¯¯AB ¯¯¯¯¯≅ DC ¯¯¯¯¯AC ¯¯¯¯¯≅BD ∠ADC≅∠BCD∠ACD≅∠BDC
Perpendicular lines explained Transitive Congruence Property Reflexive Congruence Property the meaning of rectangle
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Determine the brake horsepower required by a pump for a discharge of 0.2 m3/s and a total dynamic head of 20m, with an efficiency of 80%.
Answer:
The BHP would be "65.659 HP".
Explanation:
The given values are:
Discharge,
Q = 0.2 m³/s
Dynamic head,
H = 20 m
Efficiency,
% = 80%
Now,
The Power will be:
⇒ \(P=\delta QH\)
On substituting the values, we get
⇒ \(=1000\times 9.81\times 0.2\times 20\)
⇒ \(=39240 \ W\)
The brake horse power will be:
⇒ \(BHP=\frac{100 Q H}{3960n}\)
On putting values, we get
⇒ \(=\frac{100\times 0.2\times 20}{3960\times 0.80}\)
⇒ \(=65.659 \ HP\)
What are the four stages of gene expression?
Regulatory stages of gene expression Chromatin, chromatin remodeling, chromatin domains. transcription. Post-transcriptional modification. RNA transport.
Gene expression is regulated in eukaryotic cells at epigenetic, transcriptional, post-transcriptional, translational and post-translational levels. Environmental factors such as diet, temperature, oxygen levels, humidity, light cycle and the presence of mutagens all affect the genes expressed in animals and ultimately affect the animal's phenotype. Thus, during the expression of protein-coding genes, information flows from DNA → RNA → protein. This directed flow of information is known as the central dogma of molecular biology. A promoter is a region of DNA within 1-2 kilobases (kb) of the transcription start site (TSS) of a gene. They contain short regulatory metallic elements (DNA motifs) required for assembly of the RNA polymerase transcription machinery.
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For automobile engines, identify the best choice of motor oil.
A. High viscosity for Maine in the winter and low viscosity for Florida in the summer.
B. Low viscosity for Maine in the winter and low viscosity for Florida in the summer.
C. Low viscosity for Maine in the winter and high viscosity for Florida in the summer.
D. High viscosity for Maine in the winter and high viscosity for Florida in the summer.
E. It does not matter what the rating is for the motor oil.
Answer:
C. Low viscosity for Maine in the winter and high viscosity for Florida in the summer.
Explanation:
The choice of motor oil or engine oil depends on the type of engine and also on the type of climate on which the engine runs.
In winter climates, we should use oil with low viscosity as at lower temperatures, the it flows more readily if its viscosity is low.
But the summer season needs a relatively thicker oil so as to reduce the thinning effect of the oil out of the engine.
Thus for Maine in the winter season, we need a low viscosity oil and for Florida a high viscosity oil in the summer season.
Therefore, option (c) is correct.
b) 23.5 years + 2.6 light years
A golfer and her caddy see lightning nearby. the golfer is about to take his shot with a metal club, while her caddy is holding a plastic handled umbrella. which person is at greater risk? Explain why?
Answer:
The golfer is at greater risk.
Explanation:
The golfer is holding a metal club. Metal is a good conductor for electricity (lightning), meaning electrons can pass through easily. Her caddy is at lesser risk because she is holding a plastic handled umbrella. Plastic is an insulator, which does not easily allow the movement of electrons to pass.
A rigid tank contains 2 kg of an ideal gas at 4 atm and 40°C. Now a valve is opened, and half of mass of the gas is allowed to escape. If the final pressure in the tank is 2.2 atm, the final temperature in the tank is
A. 44C
B. 172C
C. 20C
D. 71C
E. -100C
Given: A rigid tank contains 2 kg of an ideal gas at 4 atm and 40°C.Now a valve is opened, and half of mass of the gas is allowed to escape. If the final pressure in the tank is 2.2 atm, the final temperature in the tank is.
The gas contained in the rigid container is ideal which means the gas obeys the ideal gas law where PV = nRT and the constant can be expressed as PV/T = k. Where P is pressure, V is volume, T is temperature, and n is the number of moles and R is the ideal gas constant.The temperature and pressure of the gas changes as the half of mass of the gas is allowed to escape and the valve is opened, and the final pressure in the tank is 2.2 atm, the final temperature in the tank is to be determined.Solution:Let P1 be the initial pressure of the gas in the container and P2 be the final pressure of the gas in the container after the gas has been allowed to escape.
Then, P1 = 4 atmP2 = 2.2 atmFrom the initial state of the gas, we have:PV/T = kP1V1/T1 = P2V2/T2Where V1 and T1 are the volume and temperature of the gas initially and V2 and T2 are the volume and temperature of the gas finally and are to be determined.We know that half of the mass of the gas is allowed to escape the container.
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The plastic block is subjected to an axial compressive force of 600600 N. Assuming that the caps at the top and bottom distribute the load uniformly throughout the block, determine the average normal and average shear stress acting along section a-aa−a .
The average normal acting along section a is 0.1 MPa
The average shear stress acting along section a is 0.052 MPa
How to solve for the normal and the shear stressWe have to solve for ∑fx from the image that we have
The angle here is sin 30 degrees
V - 600 sin 30 = 0
V = 600 * 0.5
= 300
Next we have to solve for ∑fy = N - 600cos 30 = 0
N = 600 * 0.8660
N = 520 N
We would have to solve for A from here using the value above
50 * 100 / cos 30
= 5773.67
σ = N / A
= 520 N / 5773.67
The average normal stress σ~ 0.1 MPa
t = V / A
= 300 / 5773.67
The shear stress = 0.052 MPa
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A pressure of elevation 4.8m on a tank containing oil read 34.7kpa.Another gauge at elevation 2.2m read 57 5kpa.Cumpute specific weight density and specific gravity of the liguid
Answer:
Explanation:
From the given information:
Pressure at the elevation 4.8 m = 34.7 kPa
Pressure at the elevation 2.2 m = 57.5 kPa
Recall that:
At the pressure of depth "h";
p = ρgh
where;
ρgh = 34.7 × 10 ³
ρ × 9.81 × h = 34.7 × 10³
ρh = 34.7 × 10³/9.81
ρh = 3.54 × 10³ ----- equation (1)
ρg(h + 4.8 - 2.2) = 57.5 × 10³
ρ × 9.81 × (h + 2.6) = 57.5 × 10³
ρ (h + 2.6) = 57.5 × 10³ / 9.81
ρ (h + 2.6) = 5.86 × 10³ ------ equation (2)
From equation (1) and (2);
The density of the oil ρ is determined to be = 0.8939 × 10³ kg/m³
≅ 893.9 kg/m³
The specific weight w = ρg
w = 0.8939 × 10³ × 9.81
w = 8769.159
w = 8.75 × 10³ kg/m²/s²
The specific gravity SG = \(\dfrac{\rho _{oil}}{\rho_{water}}\)
= \(\dfrac{0.8939 \times 10^3}{10^3}\)
= 0.8939
≅ 0.894
the most notable aspect in managing C/N for downlink designs is
Answer:
Explanation:
In satellite communications, downlink is the establishment of a communications link from an orbiting satellite down to one or more ground stations on Earth. Contrast with uplink.
a carburetor hunts and surges at idle and top no load but runs well under load. the probable cause is:
Based on a mechanical analysis, and the situation described, when carburetor hunts and surges at idle and top no load but runs well under load. the probable cause is an issue with the fuel delivery system.
What is a Fuel Delivery system in a car?The fuel delivery system in a car is a mechanical term that defines the storage of fuel in a fuel tank and the fuel pump draws fuel from the tank, thereby making the fuel travels through the fuel lines and is delivered through a fuel filter to the fuel injectors, such as carburetors.
In old vehicles, however, the fuel injectors are throttle.
Generally, it is believed that when carburetor hunts and surges at idle and top no load but runs well under load there is a problem with the fuel delivery system.
This is because the carburetor is experiencing any of the following:
a clogged fuel filter, a dirty carburetor, a bad fuel pump, a clogged fuel line, or a vacuum leak.Hence, in this case, it is concluded that the correct answer is a problem with the fuel delivery system.
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Technician a states that the aim of thread repair is to restore the thread to a condition that restores the fastening integrity. Technician b states that thread repairs can only be performed on internal threads. Who is correct?.
Both the Technician A and B are correct. Because the statement they have provided are true in both cases.
Who is a technician?Technicians are highly qualified individuals who primarily use technology in a variety of industries. They are familiar with the technical details of the different things they work with. They frequently use electricity or modern technology in their work.
Construction of tools or materials pertaining to a technician's area of study may be assigned to them. To make sure the equipment functions properly, they may also be tasked with performing diagnostics and other maintenance tasks. In the event of issues, technicians may also be required to carry out simple repairs. It's crucial for technicians to have sound analytical and decision-making abilities.
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A metal shear can be used to cut flat stock , round stock , channel iron and which of the following?
Answer:
Angle Iron
Explanation:
Mark brainliest please.
what are the SURVEYING INSTRUMENTS
Answer:
the main surveying instruments is use around the world are the theodolite, measuring tape, total station, 3D scanners ,GPS/GNSS, level and rod.Most instruments screw into a tripod when in use.a strut of length l has its ends built into a material which exerts a constraining couple equal to k times the angular rotation in radians. show that the buckling load p is given by the equation
\( \tan( \alpha )l \div 2 = p \div \alpha k \: \: and \: \: \alpha { \}^{2} \)
\( \alpha \)
Answer:
fxruwrisris84drid85d59s59e95etod
Explanation:
urzrjxrjxrjr
68dtudrusditxx4ixtiurzrjzruzurzjfzirzjrz
electricity is the movement of electrons that have been ? by an external energy.
Electricity is the flow or movement of electrons that have been "activated" by an external source of energy.
This energy can come from a variety of sources, including fossil fuels, nuclear power, solar power, wind power, and hydro power. Once the electrons are set in motion, they can be harnessed to produce electricity and power electrical devices and systems.
Energy is a fundamental concept in physics and refers to the ability or capacity of a system to do work or produce a change. It is a scalar quantity and is measured in units such as joules (J) or calories (cal).
In simpler terms, energy is what makes things happen. It is required to perform tasks, create movement, and bring about various transformations in the physical world. Energy can exist in different forms, and it can be converted from one form to another.
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challenge activity 1.2.1: engineering prefix and unit conversions. 431044.2084776.qx3zqy7 convert the following to engineering notation, using the appropriate prefix. ex: 7.89 select ex: 7.89
To convert a number to engineering notation, you need to determine the appropriate prefix and adjust the decimal point accordingly.
For the given number \(431044.2084776.qx3zqy7\), we can start by moving the decimal point to the left or right to have a number between 1 and 10. Let's move the decimal point three places to the left. This gives us \(431.0442084776.qx3zqy7\). Now, we need to determine the appropriate prefix for this number. Since we moved the decimal point three places to the left, we will use the prefix "kilo" which represents a factor of 1000.
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