a surveyor is trying to find the height of a hill . he/she takes a sight on the top of the hill and find that the angle of elevation is 40°. he/she move a distance of 150 metres on level ground directly away from the hill and take a second sight. from this point the angl.e of elevation is 22°. find the height of the
hill​

Answer:

Soap and water

Explanation:

   then report the injury....

The best corrective action of the following choices is create a poka-yoke key so the diodes cannot be inserted backwards.

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Answer:

a) the metal removal rate is 14.4 in³/min

b) the cutting time is 0.98 min

Explanation:

Given the data from the question

first we find the rpm for the spindle of the drilling tool, using the equation

Ns = 12V/πD

V is the cutting speed(120 fpm) and D is the diameter of the hole( 2 in)

so we substitute

Ns = 12 × 120 / π2

Ns = 1440 / 6.2831

Ns = 229.18 rmp

Now we find the metal removal rate using the equation

MRR = (πD²/4) Fr × Ns

Fr is the feed rate( 0.02 ipr ),

so we substitute

MRR = ((π × 2²)/4) × 0.02 × 229.18

MRR = 14.3998 ≈ 14.4 in³/min

Therefore the metal removal rate is 14.4 in³/min

Next we find the allowance for approach of the tip of the drill

A = D/2

A = 2/2

= 1 in

now find the time required to drill the hole

Tm = (L + A) / (Fr × Ns)

Lis the the depth of the hole( 3.5 in)

so we substitute our values

Tm = (3.5 + 1) / (0.02 × 229.18  )

Tm = 4.5 / 4.5836

Tm = 0.98 min

Therefore the cutting time is 0.98 min

Answer:

Develop social skills

Explanation:

Answer:

strengthen your college applications

Explanation:

To test the effectiveness of the parking brake, engage the brake, shift to neutral/park and try to move the vehicle gently with the gas pedal.

To test the effectiveness of the parking brake, follow these steps:

1: Find a flat and safe location to park the vehicle.

2: Engage the parking brake by pulling the lever or pressing the pedal and shift the vehicle into neutral or park.

3: Attempt to move the vehicle by gently pressing on the gas pedal.

4: If the parking brake is working properly, the vehicle should not move.

5: If the vehicle moves, it could indicate a problem with the parking brake.

6: In this case, it is recommended to have the parking brake system inspected by a professional mechanic.

Regularly testing the parking brake is important to ensure the safety of your vehicle and those around you.

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Celery stalks that are standing in a glass of pure water for several hours become more rigid and stiff. T

he process behind this is known as osmosis. When the celery stalk is placed in the glass of water, water enters the plant through a process known as osmosis.

The water molecules move from an area of high concentration (the glass of water) to an area of low concentration (the celery stalk). This movement of water molecules from an area of high concentration to an area of low concentration through a semipermeable membrane is known as osmosis.

Osmosis is the diffusion of water molecules across a semipermeable membrane from a region of low solute concentration to a region of high solute concentration. The movement of water molecules is driven by the difference in concentration between the two regions. In the case of celery stalks standing in a glass of pure water, the solute concentration inside the celery stalks is higher than that in the water.

Hence, water moves from the glass into the celery stalk, making it more rigid and stiff.

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Insufficient information provided to calculate the required parameters.

The transfer function given in the question appears to be incomplete or unclear.

It seems to be missing essential information such as the numerator and denominator coefficients or constants.

Without the complete transfer function, it is not possible to calculate the percent overshoot, settling time, rise time, peak time, and final value.

To accurately determine these parameters, the complete transfer function is required, including the numerator and denominator coefficients or constants.

Additionally, the system dynamics and specifications need to be defined.

Please provide the complete transfer function or any additional information necessary for the calculations, and I would be happy to assist you further.

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A Ni-H battery of 600mAh is used for 1 hour. 28 volts and 2.4 amps are the desired values for the string and the parallel connection. The formula we'll need is the following:Ns x Np = (V / Vbatt) x (I / Ibatt),

where Ns represents the number of batteries in a string, Np is the number of strings in parallel, V is the desired voltage, Vbatt is the voltage of the individual battery, I is the desired current, and Ibatt is the current of the individual battery. First, we need to calculate the current of the battery.600mAh equals 0.6Ah. Dividing it by 1 hour, we get 0.6A for the current. So, Ibatt is 0.6A.Ns x Np = (V / Vbatt) x (I / Ibatt)Now,

let's use the given values.28 volts and 2.4 amps are the desired values. The voltage of the individual battery (Vbatt) is 1.2 volts.Ns x Np = (28 / 1.2) x (2.4 / 0.6)Ns x Np = 58Therefore, we need 58 batteries in total. This could be achieved with 2 strings of 29 batteries each, or with 4 strings of 14 batteries each. If you go with the 4-string setup, you'll connect two sets of two strings in parallel (each containing 14 batteries). You will need 2.4 amps per battery,

therefore a total of 1392mA will be drawn from the parallel connection of each battery.What this means is that one string will provide 1392mA, while four strings will provide 5568mA (4 x 1392). Since 600mAh equals 600mA, it implies that one string will last for 2 minutes (600mA / 1392mA), whereas four strings will last for 8 minutes (2400mA / 1392mA).

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The initial enthalpy and the entropy of the saturated water can be found out from the table of A-12E

i.e.   \($h_1= 101 \ \text{Btu/lbm}$\)

       \($s_1 = 0.22717 \text{ Btu/lbmR}$\)

Since the process mentioned above is an adiabatic compression process, the entropy will remain constant throughout the process. Therefore, we take the value of entropy and the final pressure using the table with few interpolations and also approximations to find the final enthalpy. It is given by :

       \($h_2= 116.09 \text{ Btu/lbm}$\)

So the work input from the energy balance equation :

       \($\dot{W} + \dot{m}h_1 = \dot{m}h_2$\)

          \($w=h_2 - h_1$\)

              = 116.09 - 101

              = 15.09

Therefore, \($w= 15.09 \text{ Btu/lbm}$\)

Forces exerted by the jet on the plate is=3976N

A force is an effect that can change the motion of an object. A force can generate an object with mass to change its velocity, i.e., to accelerate. Force can also be explained intuitively as a push or a pull. A force has both volume and direction, making it a vector amount.

A jet of water 75m in diameter

velocity = 30m/s

The forces exerted by the jet on the plate is

F=1000×44178×10^-3×30²

=3976N

the jet on the plate work done by Is zero .

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Answer:

car a is moving faster than the car b

Answer:

B: Car A and car B are moving in opposite directions.

C: Car A is moving faster than car B.

E: Car A and car B are moving toward each other until they cross over.

Explanation:

I just did the assignment on EDGE2020 and it's 200% correct!  

Also, heart and rate if you found this answer helpful!! :) (P.S It makes me feel good to know I helped someone today!!)  :)  

Answer:

b i think is the correct answer

Explanation:

it was a bit hard but i used a ohms calculator

u should try it. it will help

Current is defined as the flow of electrical charge carriers, which are often electrons or electron-deficient atoms. The correct option is B.

Current is defined as the flow of electrical charge carriers, which are often electrons or electron-deficient atoms. The capital letter 'I' is a typical sign for current. The ampere, denoted by A, is the standard unit.

The relationship between current(I), resistance(R), and voltage(V) is written as:

V = IR

Given circuit has a total resistance of 10 ohms and 30 volts. Therefore, the total current that can be drawn from the circuit is,

30 volts = I × 10 ohms

I = 30/10 amp

I = 3 A

Hence, the correct option is B.

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An internally rotated oblique elbow projection with accurate positioning demonstrates the radial head and neck in profile.

The internally rotated oblique elbow projection is a radiographic technique used to visualize specific structures of the elbow joint. By internally rotating the forearm and positioning the elbow at a specific angle, the radial head and neck become more prominently displayed in profile on the resulting image.

The radial head is the rounded bony structure located at the proximal end of the radius bone in the forearm. It plays a crucial role in forearm rotation and articulates with the capitulum of the humerus. In an internally rotated oblique elbow projection, the radial head appears as a distinct, well-defined structure, often seen in profile due to the oblique positioning.

The neck of the radius refers to the region of the radius bone just below the radial head. It connects the radial head to the shaft of the radius. On an internally rotated oblique elbow projection, the neck of the radius can also be visualized in profile, appearing as a narrow portion of the bone adjacent to the radial head.

Accurate positioning is essential in obtaining a clear and well-defined profile view of the radial head and neck. Proper patient positioning, alignment, and appropriate exposure factors are crucial for obtaining an optimal radiographic image that clearly displays these structures.

In summary, an internally rotated oblique elbow projection with accurate positioning demonstrates the radial head and neck in profile. This radiographic technique allows for better visualization of these structures, aiding in the assessment and diagnosis of elbow joint conditions and injuries.

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The TTL 7408 integrated circuit has 4* AND Gates.

This is option A

A TTL 7408 IC is a quad 2-input AND gate chip that is commonly utilized in digital circuits. The TTL 7408 IC contains four AND gates, each with two inputs, on a single chip. The AND gates' inputs are active-low, which means that the output will be high only when both inputs are low. When any of the AND gate's inputs are high, the output will be low.

TTL (Transistor-Transistor Logic) 7408 is an integrated circuit (IC) that contains four two-input AND gates. It is a quad two-input AND gate chip and is commonly used in digital circuits. The AND gates within the IC have active-low inputs, meaning the output will be high only when both inputs are low.

When any of the AND gate's inputs are high, the output will be low. The TTL 7408 is a 14-pin IC that is compatible with both digital and analog circuits.

So, the correct answer is A

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In addition to battery-supplied power, every Uninterrupted power supply has surge suppression and power conditioning.

An uninterruptible power supply (UPS) is a device that keeps electronic devices working during a power outage or if the power gets unstable.

A UPS does more than just provide power when there's no electricity. It also has features that protect against power surges and improve  the quality of the electricity. An uninterruptible power supply (UPS) is a gadget that lets a computer continue working for a little while when the electricity suddenly goes off.

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Correct tire pressure is essential for tire wear and vehicle handling. Both technicians are correct. A vehicle's tires are one of the most critical components when it comes to safety and performance. The proper maintenance of tires is critical for both the life of the tire and the safety of the vehicle.

Tire pressure affects vehicle handling and tire wear. Tires underinflated by only a few PSI (pounds per square inch) can cause uneven tire wear and reduced fuel economy. Overinflation can cause excessive wear in the center of the tire and lead to a rough ride.

In addition, incorrect tire pressure can lead to tire failure, which can result in a loss of vehicle control and an accident.Correct tire installation is also essential for safety. Proper tire installation includes mounting and balancing the tire, ensuring the lug nuts are tightened to the manufacturer's specifications and inspecting the tire for damage or wear before installation.

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Based on the percent moisture content of the dried product, the mass of dried casein produced os 852.3 kg.

The mass of casein in 1000 Kg of wet casein is 75% 1000 kg = 750 Kg

Mass of water 250 kg

The mass of casein is constant while the moisture content can be changed.

At 12% moisture content;

750 kg = 88%%

100 % = 100 ×750/88 = 852.27 kg

Therefore, the mass of dried casein produced os 852.3 kg.

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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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Answer:

Some good ways and popular ways are:

1. Investing in data literacy.

2. Think about cybersecurity.

3. Choosing good and the right tools.

4. Establish metrics that matter.

Explanation:

These all are helpful.

(Hope this helped! Have a great day.)

The de-icing boot consists of a rubber membrane which is inflated and deflated periodically to raise the ice slightly, the air moving over the aircraft wing then removes the raised ice.

Deicing boots are a form of ice protection system that are mounted on aircraft surfaces to allow for mechanical deicing while in flight. As these regions are more likely to accumulate ice and any contamination might significantly impair the performance of the aircraft, such boots are typically mounted on the leading edges of wings and control surfaces (such as the horizontal and vertical stabilisers). Any ice that has built up is cracked by this size expansion and is blasted away into the breeze. The boots are then deflated to restore the wing or surface to its ideal shape. Boots need to be well maintained. Air leakage from holes in the boot could make them less effective.

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1) the sketch of thetypical GSM TDMA frame is attached accordingly.

2) a) Tail bits -  Provide synchronization and signal recovery in frame transmission.

b) Stealing bits -  Control purposes   by taking bits from payload data.

c) Training sequence -  Predefined patterns for channel estimation and synchronization.

d) Guard bits -  Reduce interference and fading effects in communication channels.

e) Data bits scenarios -  Transmit user data, control info, error correction codes, etc.

a) Tail bits -  Tail bits are used indigital communications to ensure proper synchronization and signal recovery by providing a known pattern at the end of a frame.

b) Stealing bits -  Stealing   bits are used in certain encoding schemes to steal bits from the payload for control purposes, such as error detection or channel coding.

c) Training sequence -  Training sequences are predefined patterns inserted in a data frame tofacilitate channel estimation, equalization, or synchronization in communication systems.

d) Guard bits -  Guard   bits, also known as guard intervals, are inserted between symbols or frames to mitigate the effects of inter-symbol interference or multipath fading in communication channels.

e) Possible scenarios for   data bits usage -  Data bits in a frame can be used for various purposes, including transmitting user data, control information, error correction codes,synchronization markers, addressing, or any other relevant information needed for the specific communication protocol or application.

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The method of joints is a powerful tool for analyzing truss structures. It allows you to determine the forces in each member and ensure that the structure is in equilibrium. By following the steps outlined above, you can apply the method of joints to each letter/joint and solve for the unknown forces.

The method of joints is a popular technique used to analyze truss structures. It is based on the equilibrium of forces at each joint in the truss.

To apply the method of joints, you need to follow these steps:
1. Draw the free-body diagram of the entire truss structure.
2. Label each joint and assign unknown forces to each member.
3. Write the equations of equilibrium for each joint.
4. Solve the equations simultaneously to find the forces in each member.

For each letter/joint, you need to identify the forces acting on it. These forces can be tension or compression depending on whether the member is in tension or compression. You can use the method of joints to find the magnitude and direction of these forces.

For example, if you have a truss structure with joint A, you can apply the method of joints to find the forces in the members connected to joint A. You would need to identify the forces acting on joint A and write the equations of equilibrium for that joint. Then, you can solve the equations to find the forces in each member connected to joint A.

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The elastic properties of the brass specimen enables it to return to its

original length when stressed below the yield strength.

The correct responses are;

4. a. The final length is 90.0 m.

b. The final length is 97.2 mm.

Reasons:  

a. Diameter of the brass alloy = 7.5 mm

Length of the specimen = 90.0 mm

Force applied = 6000 N

The equation for the applied stress, σ, is presented as follows;

\(\sigma = \dfrac{Force \ applied}{Area \ of \ specimen} = \dfrac{6000 \, N}{\pi \cdot \left(\dfrac{7.5 \times 10^{-3}}{2} \, m} \right)^2 } \approx 135.81 \ \mathrm{MPA}\)

Depending on the cold working condition, 135.81 MPa is below the yield

strength, and the brass will return to its original condition when the force is

removed. The final length is remains as 90.0 m.

b. When the applied force is F = 16,500 N, we have;

\(\sigma = \dfrac{16,500\, N}{\pi \cdot \left(\dfrac{7.5 \times 10^{-3}}{2} \, m} \right)^2 } \approx 373.48\ \mathrm{MPA}\)

The stress found for the force of 16,500 N is above the yield stress of

brass, and it is therefore, in the plastic region.

From the stress strain curve, the strain can be estimated by drawing a line

from the point of the 373.48 MP on the stress strain curve, parallel to the

elastic region to intersect the strain axis, which gives a value of strain

approximately, ε = 0.08.

The length of the specimen is given by the formula; \(l_i = l_0 \cdot (1 + \epsilon)\)

Therefore;

\(l_i\) = 90 × (1 + 0.08) = 97.2

The final length of the specimen, \(l_i\) = 97.2 mm

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The Dry Unit Weight of the soil is 17.5 kN/m3, the Void Ratio is 0.347, the Porosity is 0.384, and the Degree of Saturation is 86.7%.

B. The Dry Unit Weight of the soil can be calculated using the formula γd = γw(1-w), where γd is the dry unit weight, γw is the moist unit weight, and w is the moisture content.

In this case,  γd = γw(1-w)

γd = 19.6(1-0.143) = 17.5 kN/m3.

The Void Ratio is then calculated using the formula e = (w / (1-w)), where e is the void ratio and w is the moisture content. Plugging in the values from above,

e = (w / (1-w))

e = 0.143/(1-0.143) = 0.347.

The Porosity is then calculated using the formula n = e/[1 + (G•e)], where n is the porosity, e is the void ratio, and G is the specific gravity. In this case,

n = e/[1 + (G•e)]

n = 0.347/[1 + (2.75•0.347)] = 0.384.

Finally, the Degree of Saturation can be calculated using the formula S = w/(1 + (G•e)), where S is the degree of saturation and the other variables are the same as above. Thus,

S = w/(1 + (G•e))

S = 0.143/(1 + (2.75•0.347)) = 0.867 or 86.7%.

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The following statements regarding IT initiatives are true: - IT initiatives often have an undefined or unclear scope, - IT initiatives typically, but not always, represent business initiatives with IT components.

- IT initiatives usually have associated business cases.

- IT initiatives need funding to be implemented.

It is important to note that IT initiatives are not always separate IT projects and may vary in scope and nature within the context of an enterprise architecture (EA) practice.

Among the statements provided, the following are true:

IT initiatives often have an undefined or unclear scope: IT initiatives can sometimes lack a clearly defined scope, especially in complex projects where requirements may evolve or change over time.

IT initiatives typically, but not always, represent business initiatives with IT components: IT initiatives are often aligned with broader business initiatives and involve the implementation of IT solutions to support or enable business goals. However, not all IT initiatives are directly tied to business initiatives.

IT initiatives usually have associated business cases: IT initiatives typically require a business case that outlines the justification, expected benefits, costs, and risks associated with the initiative. The business case helps stakeholders understand the value and feasibility of the initiative.

IT initiatives need funding to be implemented: IT initiatives require financial resources to cover various aspects such as hardware, software, personnel, training, and ongoing maintenance and support. Funding is crucial for the successful implementation and operation of IT initiatives.

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Genetic engineering involves the manipulation of an organism’s genetic material, which alters its traits and properties. Its use in agriculture has led to the development of genetically modified crops, animals, and microorganisms, which have been used to increase food production and boost economic growth.

Environmental Risks-The release of genetically engineered organisms into the environment poses a significant risk to biodiversity. These organisms may interbreed with their natural counterparts, leading to the extinction of certain species.Increased Cost-Genetically modified seeds are more expensive than traditional seeds. Human Health Risks-There is a lack of knowledge about the long-term effects of genetically modified organisms on human health.

Ethical Concerns-The modification of an organism’s genetic material has raised ethical concerns, particularly regarding animal welfare. In conclusion, genetic engineering presents some negative effects on traditional farming practices. The use of genetically modified crops has increased production and food security, but it also poses risks to human health, animal welfare, and the environment. As such, careful consideration of the risks and benefits of genetic engineering is required to ensure that it does not pose harm to traditional farming practices and the environment.

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Answer:

C. Current will lead the voltage in the circuit.

Explanation:

The correct option is - C. Current will lead the voltage in the circuit.

Reason -

In the Resistive Capacitive load , current will lead the voltage by 90° .

So, the correct option is Current will lead the voltage in the circuit.

Understanding a product LCA (Life Cycle Assessment) helps in waste management and in assessing environmental impacts.

The process of life cycle assessment evaluates the environmental effects of a product over the course of its existence. The following are the most crucial applications:

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The SM's transitions consist of conditions or events that determine when and how the state machine transitions from one state to another.

These conditions or events are typically specified using logical expressions, such as if-else statements or switch-case statements, based on the current state and the input received. The transitions define the behavior of the state machine and determine the sequence of states it will traverse based on the specified conditions or events.

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