The least acceptable method of removing loose hair after a haircut is blowing it off with a hair dryer or brushing it off with a regular brush.
These methods can cause the loose hair to fly around and potentially get into other people's eyes, mouths or onto surfaces, which can be unhygienic. The best way to remove loose hair after a haircut is by using a clean towel or cape to wipe away the hair gently. It's also important for hairdressers to use a clean brush or comb during the haircut to minimize loose hairs. Hairdressers should also make sure to clean their workspace and tools thoroughly after each client to maintain good hygiene. Overall, hairdressers should prioritize the cleanliness and comfort of their clients during and after the haircutting process.
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the beam is supported by two rods ab and cd that have cross-sectional areas of 15 mm2 and 7.9 mm2, respectively.
When it comes to structural systems, beams are one of the most common components.
They are typically horizontal and withstand loads from above, transferring them to vertical supports known as columns or piers.
Beams may also be cantilevered, suspended from a support and extending beyond it in order to provide additional space.
Beams can be made from a variety of materials, including wood, steel, and reinforced concrete.
One of the major considerations in beam design is the cross-sectional area of the supporting rods.
The cross-sectional area of a rod refers to the surface area of the rod perpendicular to its length.
The cross-sectional area of a rod determines its strength, stiffness, and resistance to deformation.
In the given problem, the beam is supported by two rods, AB and CD, that have cross-sectional areas of 15 mm2 and 7.9 mm2, respectively.
Because the cross-sectional area of rod AB is greater than the cross-sectional area of rod CD,
it can withstand more weight and is more likely to be the stronger of the two rods.
The cross-sectional area of rod CD is smaller, meaning it is weaker and less able to support heavy loads.
it is important to consider the cross-sectional area of a rod when designing and selecting structural systems.
The supporting rods of a beam play a crucial role in its structural integrity.
By choosing rods with appropriate cross-sectional areas, engineers can ensure that the beam will be strong and safe under the loads it is intended to bear.
It's important to consider all the factors when designing the structure.
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mechanical engineering Please describe how you have prepared for your intended major, including your readiness to succeed in your upper-division courses once you enroll at the university.
Aspiring for success in a chosen major such as Mechanical Engineering would require a strong will or zeal to pull through and succeed, which is an ideal psychological prerequisite to success.
Additionally, Mechanical Engineering is a mix of Mathematics and Physics, a good background knowledge of these subjects would go a long way to ease your journey as it will aid the ability to grasp new concept and applications.Similarly, simulation and software packages related to Mechanical Engineering should be held in high esteem. This is because it will aid in understanding the practical aspect of the course and certainly yield good result.Hence, the combination of practical and theoretical knowledge in basic subject coupled with determination should be enough to succeed.
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how is an nmos and gate implemented? group of answer choices a single nmos transistor. 2 nmos transistors in series. 2 nmos transistors in parallel. the output of 2 nmos transistors in series connected to the input of a single nmos transistor. the output of 2 nmos transistors in parallel connected to the input of a single nmos transistor. the output of a single nmos transistor connected to the input of 2 nmos transistors in series. the output of a single nmos transistor connected to the input of 2 nmos transistors in parallel.
An nmos and gate can be implemented using 2 nmos transistors in series, or the output of 2 nmos transistors in parallel connected to the input of a single nmos transistor.
Implementing an nmos AND gate using two transistors in series or in parallelIn the first implementation, the two nmos transistors are connected in series, with the input signal connected to the gate of the first transistor and the output taken from the drain of the second transistor. When the input signal is high, the first transistor is turned on, allowing current to flow to the second transistor. If the second transistor is also turned on, the output will be low, otherwise, the output will be high.
In the second implementation, the two nmos transistors are connected in parallel, with their sources and gates connected together, and the output taken from the drains. When the input signal is high, both transistors are turned on, allowing current to flow to the output. If either of the transistors is turned off, the output will be low.
Both of these implementations use two nmos transistors, but they are connected differently to achieve the desired logic function. A single nmos transistor can be used to implement a NOT gate or an inverter, but it cannot implement an AND gate
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2)Prueba de presión Cuando a una persona se le somete a una prueba de presión, por lo general se le indica que, al llegar el ritmo cardíaco a cierto punto, la prueba deberá detenerse. El máximo ritmo cardíaco permitido, m, en latidos por minuto, puede ser aproximado por la ecuación: m= - 0.875 x + 190 donde x representa la edad del paciente de 1 a 99. Usando este modelo matemático determinar: a) El ritmo cardiaco máximo para una persona de 50 años. b) La edad de una persona cuyo máximo ritmo cardiaco sea de 160 latidos por minuto.
Usando la ecuación de regresión que modela la frecuencia cardíaca máxima, podemos obtener el valor predicho de los problemas dados así:
La ecuación lineal que modela la frecuencia cardíaca máxima permitida en función de la edad del paciente está relacionada con la fórmula:
m = - 0,875x + 190x = edad del paciente; m = máx. frecuencia cardíaca permitida
1.) Frecuencia cardíaca máxima permitida para una persona de 50 años:
Sustituye x = 50 en la ecuación:
m = -0,875 (50) + 190
m = 146,25
Por lo tanto, la frecuencia cardíaca máxima permitida es de aproximadamente 146 latidos / min.
2.) Edad para una persona con frecuencia cardíaca máxima de 160 latidos / min:
Sustituye m = 160 en la ecuación:
160 = -0,875x + 190
0,875x = 190 - 160
0,875x = 30
x = 30 / 0,875
x = 34,28
Por tanto, la edad de la persona sería de unos 34 años.
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. there are n people, each in possession of a different rumor. they want to share all the rumors with each other by sending electronic messages. assume that a sender includes all the rumors he or she knows at the time the message is sent and that a message may only have one addressee. design a greedy algorithm that always yields the minimum number of messages they need to send to guarantee that everyone of them gets all the rumors. (hint. the minimum number of messages for n
The Greedy Algorithm that always yields the minimum number of messages they (n number of people) need to send to guarantee that every one of them gets all the rumors is given as follows:
Func: (State, n) →
this · max = 1 if ! this · max || this · max > n
this · max_num = 1 if ! this · max _ num ||
this · max_num >n
messages = [ ]
if max_num = = n
for i in [ 1...n]
continue if i = = max_num
messages · push [max_num, i, max-state [i]]
else
messages · push [max_num, max_num + 1, max]
this · max + 1
this · max_num + =1
messages.
What is a Greedy Algorithm?A Greedy Algorithm is one that always selects the best instant, or local, option when searching for an answer.
Greedy algorithms discover the overall, or globally, the best solution to some optimization issues but may provide less-than-optimal solutions to specific cases of other problems.
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Mild neurotoxins can cause which of these physical effects?
Choose two other elements from the periodic table that you predict should react to form something like table salt
Please pleassssss helppp
I give branlistttttt
PLEASE HELP I NEED THIS ASP!!
Answer:
up up down down
Explanation:
left right left right b a select start
A continuous and aligned fiber-reinforced composite is manufactured using 80 vol% aramid fiber (a kevlar-like compound) embedded nylon 6-6. A part for a high-performance aircraft utilizes this composite. If the part experiences 953 lb-f (pounds force) along the fiber alignment axis, what is the force conveyed by the fibers ?
Answer:
the force conveyed by the fibers is 947.93 lb-f
Explanation:
Given the data in the question;
V_f = 80% = 0.8
V_m = 1 - V_f = 1 - 0.8 = 0.2
Now,
length of fibre L_f = length of Nylon L_n
V_f = A_f × L_f = 0.8
V_m = A_n × L_n = 0.2
so
V_f/V_m = A_f/A_n = 0.8/0.2
A_f/A_n = 4
now, the strains in fibre is equal to strains in nylon
(P/AE)f = (P/AE)n
P_f/A_fE_f = P_n/A_nE_n
P_f = (A_f/A_n)(E_f/E_n)(P_n)
P_f = ( 4 )( 131 / 2.8 )(Pn)
P_f = 187.14Pn
and P_n = Pf / 187.14
Hence
given that P_total = 953 lb-f
P_f + P_n = 953
P_f + ( P_f / 187.14 ) = 953
P_f( 1 + ( 1 / 187.14 ) ) = 953
P_f( 1.00534359 = 953
P_f = 953 / 1.00534359
P_f = 947.93 lb-f
Therefore, the force conveyed by the fibers is 947.93 lb-f
Planetary gears require the armature to be offset via a gear housing that holds the starter drive.
Select one:
True
False
Answer: Due to the way that spur gears work, starters that use them require an offset armature, which is achieved by placing the starter drive in separate gear housing. In starters that use planetary gears, the gears can be contained in an in line drive-end housing.
Explanation: true
A key joint in a precision machining process has a lower specification limit of a width of 0.99 mm and an upper specification limit of 1.01 mm. The standard deviation is 0.005 mm and the mean is 1 mm. What is the process capability index for the precision machining process
Answer:
the process capability index for the precision machining process is 0.667
Explanation:
Given the data in the question;
Lower Specification Limits LSL = 0.99 mm
Upper Specification Limits USL = 1.01 mm.
The standard deviation σ = 0.005 mm
mean μ = 1 mm
capability index Cpk = ?
Cpk = min( USL - μ / 3σ, μ - LSL / 3σ )
we substitute
Cpk = min( 1.01 mm - 1 mm / 3(0.005 mm ), 1 - 0.99 mm / 3(0.005 mm) )
Cpk = min( 0.01 mm / 0.015 mm, 0.01 mm / 0.015 mm )
Cpk = min( 0.6666, 0.6666 )
∴ Cpk = 0.6666 ≈ 0.667
Therefore, the process capability index for the precision machining process is 0.667
Multiple Choice
Which of the following analogies best describes the relationship between urban planning and zoning?
Zoning is like a hammer because it is used as a tool for urban planning.
Zoning is like a butterfly because it is the final form of urban planning.
Zoning is like a stop sign because it is an obstacle to urban planning.
Zoning is like an egg because it is the process from which urban planning emerges.
Answer:
Zoning is like a hammer because it is used as a tool for urban planning.
A small county board is composed of three commissioners. Each commissioner votes on measures presented to the board by pressing a button indicating whether the commissioner votes for or against a measure. If two or more commissioners vote for a measure, it passes. Design a logic circuit that takes the three votes as inputs and lights either a green or a red light to indicate whether a measure passed.
The common sense circuit. noun. a digital circuit utilized in computer systems to carry out a logical operation on its or extra enter signals. There are six simple circuits, the AND, NOT, NAND, OR, NOR, and unique OR circuits, which may be blended into extra complicated circuits.
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What is the main difference between a generator and a motor?
A
Generator - mechanical energy to electrical energy
Motor - electrical energy to mechanical energy
a motor and generator only use electrical energy
Generator - electrical energy to mechanical energy
Motor - mechanical energy to electrical energy
D
They are the same machine.
Answer:
genorator- electrical to mechanical
motor- mechanical to electrical
30 KJ of heat energy is supplied to a 4.5 kg block of aluminum at 20°C.Calculate the final temperature of the block,if the specific heat capacity of aluminum is 948 J kg^-1 K^-1 and no loss of heat energy
abs allows you to steer while applying maximum braking pressure. (true or false)
Four-wheeled ABS lets drivers steer in emergency braking situations, but the system itself does not steer.
What is Four wheeled ABS?Drivers may manoeuvre a car while using maximum braking thanks to ABS. It Pump the brake if you notice your ABS-equipped brakes pulsing. When using ABS instead of standard brakes, the stopping distance is reduced.
Using a network of sensors and valves that limit braking force to keep the wheel just before it stops rotating, ABS prevents a wheel from locking.
ABS merely controls how the wheel rotates when the car is moving forward or backward; it does not prevent a car from sliding sideways; that function is handled by electronic stability control, a separate system.
Therefore, Four-wheeled ABS lets drivers steer in emergency braking situations, but the system itself does not steer.
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barcoding and radio frequency
identification (RFID) are technologies utilized in material
management. How are these technologies used to improve performance
in the supply chain?
Barcoding and radio frequency identification (RFID) are technologies that are commonly used in material management to improve performance in the supply chain.
Barcoding involves the use of unique codes, usually in the form of a series of black and white lines, to represent information about a product or item. These codes are scanned using a barcode reader, which then retrieves the corresponding information from a database. Barcodes are widely used in inventory management, as they allow for quick and accurate tracking of products as they move through the supply chain.
Together, barcoding and RFID technologies improve performance in the supply chain by providing accurate and real-time data about the movement and status of products. This enables businesses to make informed decisions, optimize inventory levels, reduce stockouts, minimize theft and loss, and enhance customer satisfaction.
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A cylindrical 1040 steel rod having a minimum tensile strength of 865 MPa (125,000 psi), a ductility of at least 10%EL, and a final diameter of 6.0 mm (0.25 in.) is desired. Some 7.94 mm (0.313 in.) diameter 1040 steel stock, which has been cold worked 20% is available. Describe the procedure you would follow to obtain this material. Assume that 1040 steel experiences cracking at 40%CW
Answer:
procedure attached below
The material to be used will have a %Cw of 34.5%Cw which is < 40%Cw
Explanation:
Given data:
Minimum tensile strength = 865 MPa
Ductility = 10%EL
Desired Final diameter = 6.0 mm
20% cold worked 7.94 mm diameter 1040 steel stock
Describe the procedure you would follow to obtain this material.
assuming 1040 steel experiences cracking at 40%CW
attached below is a detailed procedure of obtaining the material
The material to be used will have a %Cw of 34.5%Cw which is < 40%Cw
what should you use to keep battery terminals from corroding
Answer: Apply battery-terminal grease to the terminals to help prevent corrosion. It's available at any auto parts store and usually comes in a little ketchup-like packet. Another great option is AMSOIL Heavy-Duty Metal Protector. It creates a protective coating on terminals that wards off corrosion.
Explanation:
An electric train is moving north at 100 mph and a wind is blowing to the west at 10 mph. Which way does the smoke blow?
there is no smoke its a electric train
the architect’s choice to use primarily mud brick to build the great mosque of djenné resulted in which of the following?
Cost-effective and environmentally sustainable construction method.
What were the advantages of using mud brick for the construction of the Great Mosque of Djenné?The architect's choice to use primarily mud brick to build the Great Mosque of Djenné resulted in a cost-effective and environmentally sustainable construction method.
The use of mud bricks allowed for easy sourcing of materials from the local environment, reducing transportation costs and carbon footprint associated with importing construction materials.
Additionally, mud bricks provided excellent insulation properties, keeping the interior of the mosque cool in the hot climate of Djenné.
The use of mud brick also aligned with the traditional architectural style of the region, preserving cultural heritage and showcasing local craftsmanship.
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Tech a says you should push the wrench when braking a fastener loose. Tech b says that you should pull the wrench when braking a fastener loose. Who is correct?
Answer:
tech b because gut feeling
Explanation:
How do cars moves? and explain Please.
Answer:
when car vroom it go electric
Explanation:
i think then it goes to some spinny thing that spins and make the electric and the electic spins the spinny thing and the smoke comes outside the back
which class of material is generally considered to be the weakest at room temperature, offering the lowest elastic moduli and tensile strengths? composites ceramics polymers metals
With the lowest strength and elastic modulus and tensile strengths available at room temperature, polymer are typically thought to be the weakest materials.
With an example, what is tensile strength?It is defined as the minimum tensile stress required to separate the material. The metal has a mechanical properties of 1,000 pounds of force, for instance, if a metal rod with a cross section of one square inch can bear a thrust of 1000 usd but snaps with further pressure.
What other tensile strength types are there?Tensile strength comes in three varieties: Yield strength (A) is the maximum amount of stress that a material can endure without permanently deforming. The highest stress that a material can bear is its ultimate strength (B). The stress vector on the maximum fault at the time of rupture is known as breaking strength (C).
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the thevenin impedance of a network seen from the load terminals is 80 j55 ohms. for maximum power transfer, the load impedance must be:
The load impedance must be equal to the Thevenin impedance for maximum power transfer, so the load impedance must be 80 j55 ohms.
What is power?
Power is a measure of the ability to influence the environment, or to cause a change. It can be physical, financial, psychological, or a combination of all three. Power can be used for good or for bad, depending on the intentions of the person wielding it. Some examples of power include control over resources, authority and influence, access to information, and the ability to make decisions and take action. Power can also be seen as a form of privilege, as it often brings with it social, political, and economic advantages.
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What is the basic requirement of measurements?
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:
You are an architect invited to present the preliminary drawings to the structural team in order to brainstorm possible column locations on the first floor of a skyscraper. The meeting has been scheduled at the engineers’ office and five people will be present: you, your intern, the senior engineer, the structural engineer, and a mechanical engineer. What type of media would you use to present your drawing? Please justify your answer with your reasons and the outcomes you expect from the meeting.
Answer:
Explanation:I will bring the drawing of the skyscraper on my laptop, which will be equipped with a CAD software package. I will use an adaptor to project the drawings to a screen. The reasons I chose this is because CAD enables me to make the drawing efficiently and accurately. The software package will help avoid human error. Another advantage is that I can use layers to add new columns to the drawing so that I will not lose the original drawing. After I add the columns, we can view the structure in a three-dimensional view so that the structural engineer can check the location and dimensions of the column. The main advantage of CAD in this setting is that I can make immediate changes in the drawing, without having to change the entire drawing. This would not be possible if I used a paper-based presentation. Because I have my laptop at the meeting, I can also take notes about important points that arise during the meeting on a word processing program. I will be able to link the electronic document to the CAD file for further reference.
At the end of the meeting, I will be able to complete my drawings for the first floor of the skyscraper. The structural engineer can immediately approve the drawings and the mechanical engineer can then begin the preparation to start the build. The built-in features of the CAD software package enable the efficiency of this process.
Answer:
C
Explanation:
Examination of the timing diagram of the 8237A indicates that once a block transfer begins, it takes three bus clock cycles per DMA cycle. During the DMA cycle, the 8237A transfers one byte of information between memory and I/O device. a. Suppose we clock the 8237A at a rate of 5 MHz. How long does it take to transfer one byte?
The time that it takes to transfer one byte is 1 microseconds.
What is a byte?A byte is a unit of data that is eight binary digits long in most computer systems. Most computers use a byte to represent a character such as a letter, integer, or typographic sign. Each byte can store a string of bits that must be combined to form a larger unit for application purposes.
A stream of bits, for example, can be used to create a visual image for a program that displays images. A string of bits that constitutes the machine code of a computer program is another example.
Four bytes constitute a word in some computer systems, a unit that a computer processor can be built to handle efficiently as it reads and processes each instruction. Some computer processors can handle two-byte or single-byte instructions, depending on their capabilities.
It's important to note that 10 bytes per microsecond equals 10 bytes per microsecond. Therefore, 1 byte will be in 1 microsecond.
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An area of spatial proximity around a point refers to which GIS operation?
a.
Spatial join
b.
Buffer
c.
Closed circle
d.
Union
The GIS operation that refers to the area of spatial proximity around a point is called:
b. Buffer.
GIS stands for Geographic Information System. It is a system designed to catch, store, manipulate, analyze, manage, and exhibit all kinds of spatial or geographical data. GIS is an effective method for analyzing and interpreting spatial data, which comprises data linked to location or geographic coordinates. GIS involves an arrangement of spatial and statistical methods for analyzing and displaying geographical data.
There are different GIS operations like clip, select by location, buffer, etc. Among these operations, buffer operation is used to make an area of spatial proximity around a point. Buffering allows for areas of spatial proximity to be outlined around geographic features. The term "proximity" refers to the distance around the original geographic feature that falls within a specific range of distance from that feature. The answer is b. Buffer.
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A circuit is set up with two parallel resistors, each have a resistance of 250Ω. If another resistor with a resistance of 300Ω is added in series with these two parallel resistors, what is the total resistance?
Answer:
The answer is .....
Explanation:
Sorry sdfghjkl