A hemispherical tank having a top diameter of 2.4 m is filled
with water. Find the work done in pumping all the water out to
elevation 0.60 m above the top of the tank.

Answer:

Engine oil level.

Brake fluid.

Power steering fluid.

The statement "the enormous gains in crop yields brought about by green revolution technologies may soon stop" is definitely true.

The green revolution may be defined as a type of revolution in which there would be a great increase in the production of food grains (such as rice and wheat) due to the introduction of high-yielding varieties, the use of pesticides, and better management techniques.

It started around the 1960s and helped in increasing food production in the country. The green revolution's primary aim was to introduce high-yielding varieties (HYVs) of cereals to alleviate poverty and malnutrition. They soon stop because they are not much efficient as pear present needs and conditions.

Therefore, the statement "the enormous gains in crop yields brought about by green revolution technologies may soon stop" is definitely true.

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IntroductionMicrosoft Project is a project management software product, developed and sold by Microsoft. Microsoft Project is designed to assist project managers in planning, monitoring, and reporting on projects.

After reviewing Microsoft Learning Resources for this week, this project was created using MS Project.Fifteen tasks for the project:

Task 1: Introduction of the projectTask 2: Planning of the project

Task 3:  Execution of the projectTask 4: Testing of the projectTask 5: Acceptance of the projectTask 6: User documentation of the projectTask 7: Training of the projectTask 8: Development of project requirementsTask 9: Development of project architectureTask 10: Designing of the projectTask 11: Development of the projectTask 12: Quality assurance and testing of the projectTask 13: Delivery of the projectTask 14: Closure of the projectTask 15: Project reviewAdd a milestone:Milestone 1: Planning of the projectEstablish durations for each task:Task 1: 1 DayTask 2: 2 DaysTask 3: 5 DaysTask 4: 3 DaysTask 5: 2 DaysTask 6: 2 DaysTask 7: 1 DayTask 8: 2 DaysTask 9: 1 DayTask 10: 4 DaysTask 11: 10 DaysTask 12: 7 DaysTask 13: 1 DayTask 14: 2 DaysTask 15: 1 DayEstablish precedence relationships for each task:Task 1: Successor is Task 2Task 2: Successor is Task 3Task 3: Successor is Task 4Task 4: Successor is Task 5Task 5: Successor is Task 6Task 6: Successor is Task 7Task 7: Successor is Task 8Task 8: Successor is Task 9Task 9: Successor is Task 10Task 10: Successor is Task 11Task 11: Successor is Task 12Task 12: Successor is Task 13Task 13: Successor is Task 14Task 14: Successor is Task 15Include at least one SS relationship:There are no SS relationships in this project.Include at least one FF relationship:Task 1 FF relationship to Task 3Group these tasks into at least three phases:Phase 1: Tasks 1-5Phase 2: Tasks 6-10Phase 3: Tasks 11-15Save the file; include your last name in the file name (for example: yourlastname_project.mpp):Kumar_Project.mppChallenges faced:I did not face any challenges while creating this project using MS Project. MS Project is user-friendly and easy to navigate. It took me about an hour to complete this project.

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Answer:

Technician B says that the reading is determined by where a dial points on a scale.

Explanation:

A refractometer is a devise used by scientists to gauge a liquids index of refraction.

The refractive index of a liquid is the ratio of light velocity of a specific wavelength in air to its velocity in the substance in evaluation.

The steps of reading a measurement are;

A positional tolerance is the range of permissible deviation from the real (precise) position of the centre, axis, or centre plane of a feature of a certain size.

Position Tolerance is a geometric dimensioning and tolerancing (GD&T) placement control that is used on engineering drawings to describe the desired location and the permitted deviation to the position of a feature on a part.

The tolerance encloses the true position in a three-dimensional tolerance zone. The feature control frame's datum features are used as a reference when establishing a position tolerance.

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The answer to the question is e) All of the answer options are correct.The researcher is likely constructing a pedigree for a trait that shows recessive inheritance in humans, which means:

For Part a) This trait may not occur within every generation of a family―it could be said to "skip" generations.For part b) The parents of children who have this trait may not themselves be affected.For part c) Both males and females within a given family can have this trait―it doesn't appear to be sex-specific.For part d) There may be instances of first-cousin mating in this pedigree, resulting in affected children.Therefore, the answer to the question is e) All of the answer options are correct.

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Answer:

When the renewal period comes around (with respect to the license expiry date).

Explanation:

The three failure theories which are generally used to calculate stresses are- Maximum principal stress theory Maximum principal strain theory Maximum shear stress theory Out of the three failure theories, Maximum principal stress theory is appropriate because we have been given the values of the stresses directly.

Given stress states are:

σx = 10,

σy = 5,

τxy = 4.5,

sut = 20,

suc = 80,

sy = 18

The stress values and failure stresses can be used to calculate the factor of safety and effective stress.The effective stress is calculated by the following formula:σ1 and σ2 are the principal stresses. As we do not have these values, we have to use the following formulas to find out these principal stresses using the given stress values.

Max. principal stress=σ1

= (σx + σy)/2 + √((σx - σy) /2)² + τ²xy/2

= 7.5 + √((10-5)/2)² + 4.5²/2

= 7.5 + 4.301 = 11.8 kpsi

Min. principal stress=σ2

= (σx + σy)/2 - √((σx - σy) /2)² + τ²xy/2

= 7.5 - √((10-5)/2)² + 4.5²/2

= 7.5 - 2.301

= 5.2 kpsi

Now we can calculate the effective stress = (σ1 - σ2)/2

= (11.8-5.2)/2

= 3.3 kpsi

Factor of Safety can be calculated as:

Factor of safety (FoS) = failure stress/ Effective stress

We have three different failure stresses

-Syt = 18 kpsi - tensile yield stressSuc = 80 kpsi - Unconfined Compressive strengthSut = 20 kpsi - Ultimate tensile strength

The minimum value of the Factor of Safety (FoS) out of the three is taken because the structure should fail first under the most unfavorable condition (i.e. minimum FoS).

The values of FoS for all three failure theories are calculated and the minimum value is taken.Max principal stress theory:

FoS = minimum failure stress/ Effective stress

Minimum FoS = min (18/3.3, 80/3.3, 20/3.3)

Minimum FoS = 5.45 (Approx)

Hence the factor of safety against static failure is 5.45.

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Answer: 162.4

Sorry if you get it wrong :(

Explanation:

The percentage of atrazine in the soil phase is 1.35*10^-8

The percentage of atrazine in the soil phase is 1.45%

The percentage of atrazine in the fish phase is 6.7*10^-5

The partition coefficient for atrazine between water and organic carbon (Koc) can be calculated using the empirical equation provided is 0.006.

The Kow value is 1.499. The distribution coefficient is 0.066.

The concentration of atrazine in water will be;

= 0.027 / 2000000 × 10^-8

= 1.35 × 20^-8

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Answer:

No,  it is not a periodic Signal

Explanation:

No,  it is not a periodic Signal

This signal is repeating itself with the fixed on and off values but the major point to note here is that is this signal repeating after a fixed length of time every time. No, such information is provided in the question and hence, this signal cannot be termed as periodic.

Yes, the receiver will discard the frame. Let's perform the CRC calculation for the bit sequence 111001000 with the generator 1101. The first bit in the sequence is a 1, so we take the first 4 bits (1110) and XOR them with the generator (1101) to get the remainder 001.

We then drop the first bit (1) and append the remainder (001) to get the new bit sequence 110010001. We now perform the same process with this new sequence and the same generator. Taking the first 4 bits (1100) and XORing with the generator (1101) gives us the remainder 001. Dropping the first bit (1) and appending the remainder (001) gives us the new bit sequence 10010001.
b) The number of collisions after which, in CSMA/CD protocol, the NIC can make a binary exponential delay of at most 1536 bit times is 10. The binary exponential backoff algorithm doubles the delay time after each collision until a maximum delay time of 1023 slots is reached. After the 10th collision, the delay time would be 1024 slots, which is greater than 1536 bit times. Therefore, the NIC would make a delay of at most 1536 bit times.

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Answer:

you have to think then go scratch and then calculate and the design  

Explanation:

The statistical analysis of a dataset inform a design process.

Statistical analysis is a kind of tool which helps collect and analyze large amounts of data. This is helpful to identify common patterns of dataset and make trends to convert them into meaningful information.

Designers do make use of statistical analysis of dataset in design process.

Analysis is a key part of design process.  Without analysis, nothing can be done in designing process.

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Answer:

They moved fresh water around their vast empire with aqueducts and canals.

Explanation:

Answer:

8×10^-19 seconds

Explanation:

i=∆q/∆t

=> ∆t=∆q/i=50×1.6×10^-19/10=8×10^-19(s)

For VBC = -1.0 V and VBE = 0.7 V, the approximate values of IE (Emitter Current), IB, and IC for the given NPN BJT are approximately 2.51 mA, 24.8 μA, and 2.48 mA, respectively.

To calculate the values of IE (Emitter Current), IB (Base Current), and IC (Collector Current) for the given NPN BJT with Ebers-Moll parameters, we can use the following equations:

1. IE = IB + IC

2. IC = αf * IB + αR * IE

3. IC = β * IB

Given:

αf = 0.998

αR = 0.80

Is = 1.0 x 10^-10 A

VBC = -1.0 V

VBE = 0.7 V

We need to solve for IE, IB, and IC using these equations.

First, let's find IB using equation (3):

IC = β * IB

Since the β (beta) value is not given, we cannot directly calculate IB. However, we can make an approximation assuming β is large, typically in the range of 100-1000 for BJTs.

Assuming β = 100, we can calculate IB:

IC = 100 * IB

Now, let's calculate IC using equation (2):

IC = αf * IB + αR * IE

Substituting the value of αf and the approximation of IC = 100 * IB, we get:

IC = 0.998 * IB + 0.80 * IE

We can substitute IC = 100 * IB in the above equation to eliminate IC:

100 * IB = 0.998 * IB + 0.80 * IE

Simplifying, we get:

0.002 * IB = 0.80 * IE

Rearranging the equation, we have:

IE = (0.002 * IB) / 0.80

Now, let's substitute this value of IE in equation (1):

IE = IB + IC

Substituting IC = 100 * IB, we get:

IE = IB + 100 * IB

Simplifying, we have:

IE = 101 * IB

Now, we can substitute the value of IE from the previous equation into equation (4) to find IB:

(0.002 * IB) / 0.80 = 101 * IB

Simplifying, we get:

0.002 = 80.8 * IB

Solving for IB:

IB = 0.002 / 80.8

Finally, we can calculate IC using IC = 100 * IB:

IC = 100 * (0.002 / 80.8)

Now, let's substitute the given values and calculate the results:

IB = 0.002 / 80.8 ≈ 2.48 x 10^-5 A (or 24.8 μA)

IC = 100 * (0.002 / 80.8) ≈ 2.48 x 10^-3 A (or 2.48 mA)

IE = 101 * IB ≈ 2.51 x 10^-3 A (or 2.51 mA)

Therefore, for VBC = -1.0 V and VBE = 0.7 V, the approximate values of IE, IB, and IC for the given NPN BJT are approximately 2.51 mA, 24.8 μA, and 2.48 mA, respectively.

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There is no advantage in using alloy steel for this fatigue application because the endurance strength of alloy steel is lower than that of carbon steel.

The greatest load that a material can withstand before showing significant fatigue or severe flaws is referred to as endurance strength. A fatigue test is used to assess endurance strength. If the load is less than the components' tensile strength during this test, they may crack.

For instance, the flake graphite cast iron's endurance strength is around 40 to 50% of its tensile strength. The relationship between tensile strength and endurance strength varies on the load. Only a definite number of loading cycles are tolerated before exhaustion sets in (fatigue limit) when stress exceeds the endurance strength.

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Answer: true

Explanation:

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.

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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It is true, as stated by technician A, that a twisted pair consists of two wires that are twisted together and transmit signals between related components.

Since it is so good at attenuating magnetic and electrical waves, copper is the metal of choice for EMI shielding.

Filtering, grounding, and shielding are three different ways to assist decrease or eliminate EMI. Filtering out unwanted signals is a straightforward way to eliminate them; in this situation, passive filters perform well and are used to reduce EMI in most modern equipment.

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Answer:

It can change (A)

Explanation:

In the simplified beam model of a ship heaving in waves, the beam experiences a uniform upward loading on the left-half and a uniform downward loading on the right-half, resulting in a deflection profile and stress distribution.

The step-by-step explanation of this model involves determining the beam deflection and stress distribution.

First, we analyze the left-half of the beam subjected to the upward loading. Using the Euler-Bernoulli beam theory, we calculate the beam deflection equation and apply the boundary conditions to solve for the constants of integration. This provides the deflection profile for the left-half of the beam.

Next, we analyze the right-half of the beam subjected to the downward loading. Following the same procedure, we obtain the deflection equation for the right-half and solve for the constants of integration using the appropriate boundary conditions.

By combining the deflection equations of the left and right halves, we obtain the complete deflection profile of the beam. Additionally, we can determine the stress distribution by considering the bending moment and moment-curvature relationship.

Overall, the simplified beam model allows us to study the behavior of a ship's beam when heaving in waves, considering the uniform loading distribution. This analysis provides insights into the deflection and stress experienced by the beam under such conditions.

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Answer:

Efficiency is defined as any performance that uses the fewest number of inputs to produce the greatest number of outputs. Simply put, you're efficient if you get more out of less.

Explanation:

In Python, both lists and tuples are commonly used to store collections of items. While they share some similarities, they have distinct characteristics that make them suitable for different scenarios. Here are some advantages of using lists over tuples as return values from functions:

1. Mutability: Lists are mutable, which means their elements can be modified after they are created. This allows you to add, remove, or update elements in a list. In contrast, tuples are immutable, and their elements cannot be modified. If you anticipate the need to modify the returned collection, using a list would be advantageous.

2. Dynamic Size: Lists can change in size dynamically by adding or removing elements. This flexibility is particularly useful when the number of items in the returned collection may vary. Tuples have a fixed size, and once created, their length cannot be changed. If the length of the returned collection needs to be dynamic, using a list is more appropriate.

3. Common Operations: Lists provide several built-in methods and operations that are not available for tuples. For example, you can use list-specific methods like `append()`, `extend()`, `insert()`, and `remove()` to manipulate the elements easily. Lists also support slicing, sorting, and other operations that can be useful when working with collections. Tuples, being immutable, have a more limited set of operations available.

4. Familiarity and Convention: Lists are widely used in Python, and developers are generally more accustomed to working with lists than tuples. By returning a list, you adhere to the common conventions of the language, making the code more readable and easier to understand for others.

5. Compatibility: Some libraries or functions in Python may expect a list as input rather than a tuple. By returning a list, you ensure compatibility with such libraries or functions without requiring any additional conversions.

It's worth noting that tuples have their advantages too. They are typically used when you want to represent a collection of values that should not be modified, such as coordinates, database records, or function arguments. Tuples can also offer better performance and memory efficiency compared to lists due to their immutability.

Ultimately, the decision to use lists or tuples as return values depends on the specific requirements of your program. Consider factors such as mutability, size flexibility, available operations, conventions, and compatibility with other code when making your choice.

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Answer:

yes maybe

Explanation:

I have a project and everyone in the world will know about it.

Answer:

both

Explanation:

Answer:

multimeter

Explanation:

there's several devices that are used to measure power. the most common one is a multimeter. there's also the voltmeter and ammeter or the oscilloscope.