The kinetic energy of the air travelling at 20m/s, which passes through
the circular area in 1 second is 5.4 x 10⁵ J.
What is kinetic energy?
The kinetic energy of an object is associated with its motion. It can be related to the mass and velocity as
K.E = 1/2 mv²
Given the wind is blowing directly towards the wind turbine at a speed of 20 m/s. At this wind speed, 7500 kg of air passes every second through the circular area swept out by the blades.
Substitute the values, we have
K.E = 1/2 x 7500 x (20)²
K.E = 15 x 10⁵ J
Hence, the kinetic energy of the air travelling at 20m/s, which passes through the circular area is 15 x 10⁵ J.
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[NOTE: THIS IS AN INCOMPLETE QUESTION. THE CMPLETE QUESTION IS: the wind is blowing directly towards the wind turbine at a speed of 12 m/s. at this wind speed, 7500 kg of air passes every second through the circular area swept out by the blades. Calculate the kinetic energy of the air travelling at 12m/s, which passes through the circular area in 1 second.]
the ideology that supported the trend depicted in the map is most similar to the ideology that supported which of the following? responses opposition to the international slave trade opposition to the international slave trade involvement in the spanish-american war involvement in the spanish-american war participation in the first world war participation in the first world war isolationism prior to the second world war
The ideology that supported the trend depicted in the map is most similar to the ideology that supported Participation in the First World War. Option C is correct.
World War I, often known as the First World War, was a global struggle that lasted from 1914 to 1918 and is regarded as one of the bloodiest wars in history. It is sometimes shortened as WWI or WW1, and some Anglophone authors also refer to it as the "Great War" or the "War to End All Wars."
The top causes of World War 1 that are frequently cited are summarized in this list. Russia intervened to defend Serbia after Austria-Hungary declared war on it. Germany declared war on Russia after observing its mobilization. Then, France was included in the conflict with Germany and Austria-Hungary.
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consider the above graph from a study on metapopulation dynamics. open circles are vacant patches and red circles are occupied by a butterfly under study. which of the following statements is correct considering this graph?
The models we have studied so far allow that a species may not persist in environments where its fitness is low, for instance where the intrinsic rate of increase is less than one.
The herbal surroundings or natural international encompasses all living and non-residing matters going on certainly, meaning in this example now not artificial. The term is most customarily applied to the Earth or a few components of Earth. These surroundings encompass the interplay of all dwelling species, climate, weather and natural resources that affect human survival and monetary pastime.[1] The idea of the herbal environment may be distinguished as components: complete ecological units that characteristic as herbal systems without huge civilized human intervention, along with all vegetation, microorganisms, soil, rocks, atmosphere, and herbal phenomena that arise inside their barriers and their nature.
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__________ theorists stress that schools are agencies for perpetuating social inequality because parents with limited income are not able to provide the same educational opportunities for their children as are families with greater financial resources a. Conflict
b. Postmodern
c. Symbolic interactionist
d. Functionalist
Conflict theorists stress that schools are agencies for perpetuating social inequality because parents with limited income are not able to provide the same educational opportunities for their children as are families with greater financial resources.
The Davis-Moore thesis does now no longer provide an explanation for, he argued, why a media persona with little schooling, skill, or skills turns into well-known and wealthy on a truth display or a marketing campaign trail. The thesis additionally does now no longer provide an explanation for inequalities withinside the schooling machine or inequalities because of race or gender.
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the following schedule is conflict-serializable. list out at least four equivalent serial schedules for this schedule. you can do this by drawing the precedence graph, and then finding sequences of transactions where all the edges go from left to right. as an example: t1, t2, t3, t4, t5 is clearly not an equivalent serial schedule because there is an edge from t3 to t1 (due to a).
Schedule S2 is a serial timetable due to the fact, this, all operations of T1 are executed earlier than the beginning of any operation of T2. agenda S1 may be transformed into a serial schedule by way of swapping non-conflicting operations of S1. considering, S1 is warfare serializable.
A non-serial agenda is war serializable if it could convert into a serial timetable with the aid of swapping its non-conflicting operations. operations are said to battle if they may be part of distinctive transactions operating at the equal statistics object, and one must be a write operation.
Schedules are said to be struggle equivalent if the order of any conflicting operations is equal in both schedules. additionally, a concurrent timetable S is warfare equivalent to a serial agenda S', if we will reap S' out of S through swapping the order of execution of non-conflicting commands.
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research focuses on determining the psychometric properties of instruments such as reliability, validity, dimensionality, and operation across different kinds of people. group of answer choices meta-analysis measurement predictive longitudinal
Psychometric homes confer with the validity and reliability of the size device. earlier than being capable of the country that a questionnaire has super psychometric properties, meaning a scale is both reliable and valid, it ought to be evaluated drastically [30].
In simple words, psychometric homes display data about a take a look at's adequacy, relevance, and usability (or validity). for instance, if a test is presented as the perfect degree for diagnosing an intense ailment including schizophrenia.
Reliability and validity are usually considered the two maximum crucial psychometric residences of exams. even as they can be carried out to any test, traditionally their significance outcomes from the sphere's emphasis on selection assessments.
Psychometrics is the technology of mental assessment and is a basis for evaluation and measurement. inside psychometrics, there are four fundamental concepts wherein the fine of an assessment is judged. those are (1) reliability, (2) validity, (three) standardization, and (four) freedom from bias.
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A state requirement for all dogs to be on leashes in public is which type of law?
A state requirement for all dogs to be on leashes in public is this type of law: D. statutory.
What is a law?A law can be defined as the system of rules, principles, standards, and regulations, that are established, adopted and enforced in a community, state, society, or court, in order to regulate all of the actions, behavior, conduct and testimonies of all individuals.
What are the types of law?Generally speaking, there are four (4) main types of law and these include the following:
Constitutional law.Administrative law.Common law.Statutory law.In a judicial system, a statutory law simply refers to a type of law that was enacted and passed by the state legislature for the general public such as putting all dogs on leashes in public in New York city.
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Complete Question:
A state requirement for all dogs to be on leashes in public is which type of law?
A. constitutional
B. administrative
C. common
D. statutory
T/F liberty and union, now and forever, one and inseperable the principle expressed in this statement was also reflected in
Abraham Lincoln's perspective on Southern secession was likewise influenced by the idea espoused in this remark.
A month after Abraham Lincoln was elected president in November 1860, the shaky bonds holding the nation together finally snapped. South Carolina brazenly announced its intention to leave the Union on December 20, growing more and more enraged by the debate over slavery and furious at the election of a pro-slavery president. A month later, six other states did the same, and by June, 11 more southern states had left the union. Lincoln forcefully opposed the secessionists' contention that they had every right to secede from the Union under the terms of the Constitution.He provided several justifications, including his firm conviction that secession was unlawful, the impossibility of states physically separating, his concerns that the weakening of the government would lead to anarchy, and his unwavering conviction that all Americans should be allies rather than enemies.Thus this is what the sentence was also expressed.
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across cultures in the world, marriage is unites two people, a man and a woman is not necessarily a matter of personal or individual choice is generally based on romantic love requires cohabitation
The family and marriage are typically significant cornerstones in society. The association between marriage and family is commonly taken for granted in the public imagination.
Varied people have different definitions of it. Even sociologists are divided about the best explanation. For our purposes, we will define marriage as a legally recognized social contract between two people that historically was founded on a relationship and denotes a lifelong commitment. When coming up with an inclusive definition, take into account variations such as whether a formal legal union is required (think of common-law marriage and its counterparts) or whether more than two people can be involved (consider polygamy). Whether the partners are of the same gender or of opposing gender, as well as how one of the conventional demands of marriage—having children—is today regarded, might also affect how marriage is interpreted. Sociologists are interested in the connection between the institutions of marriage and family since historically, marriages—the most fundamental social unit upon which society is based—are how families are founded. Marriage and families both establish socially acceptable status roles.
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cycads are gymnosperms that were diverse and abundant during the mesozoic era. extant species of cycads share many traits with those from the mesozoic era. cycads bear cones, are long-lived with slow growth rates, show late reproductive maturity, and have very few offspring. based on this description, the cycads are responses k-strategists with a type i survivorship curve. k -strategists with a type i survivorship curve. r-strategists with a type iii survivorship curve. r -strategists with a type iii survivorship curve. k-strategists with a type iii survivorship curve. k -strategists with a type iii survivorship curve. r-strategists with a type ii survivorship curve.
Cycads are gymnosperms that were diverse and abundant during the Mesozoic era. extant species of cycads share many traits with those from the Mesozoic era. Cycads bear cones, are long-lived with slow growth rates, show late reproductive maturity, and have very few offspring. based on this description, the cycads are responses k-strategists with a type i survivorship curve.
What are Cycads?Cycads are seed plants with a thick, woody trunk and a crown of sizable, stiff, pinnate, evergreen leaves. The species are dioecious, meaning that each plant of a species is either a male plant or a female plant. Cycads come in a variety of sizes, with trunks ranging in height from a few centimeters to several meters.
Cycads are essentially woody plants with cone-shaped reproductive structures as well as roots, a stem, and leaves.
Ancient vascular plants known as cycads were once a significant part of the world's flora. Cycad fossils go back to the early Permian.
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the ability of an infant to use a binocular depth cute to use the relative size of objets to determine their distance first appears around ______ months of age
The ability of an infant to use a binocular depth cute to use the relative size of objects to determine their distance first appears around top-down processing months of age.
Binocular intensity perception (BDP) is the belief of intensity derived from binocular disparity. The “stereo pairs” of the visual scene are then mixed to form one 3-D percept through a mechanism referred to as stereopsis, which literally method strong vision.
Depth belief arises from a ramification of depth cues. those are usually categorized into binocular cues which might be based on the receipt of sensory facts in three dimensions from both eyes and monocular cues which may be represented in just two dimensions and discovered with simply one eye.
A binocular cue instance occurs whilst one holds their finger close to their nostril. The eyes converge to appear closer collectively because the photograph is close. because the finger is moved further away from the nostril, the eyes flow similarly apart to peer the photograph further away.
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place the stages of group and team development in the correct order, with the first stage listed at the top and the last stage listed at the bottom.
The following are the the stages of group and team development.
FormingStormingNormingPerformingAdjourningWhat is team development:A team is a collection of persons who collaborate to achieve a common objective. By fulfilling a specified team job, each team member contributes in their own unique way to the accomplishment of the common goal. The team as a whole nevertheless has the same orientation and mentality. Although it may seem simple on paper, it may be challenging for a team to maintain a balance between individual and group particularly under pressure, when things are going badly, or when there is tension.
Maintaining an efficient team is similar to tending to a garden; if neglected, it loses its capacity to flourish. Long-term success of the team is ensured through team development. The team benefits in many different ways through team development. Each team member improves their knowledge of their tasks, roles, and capacity for collaboration.
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Suggest giving full details three actions parents may take to deal with any negative effect of the changing roles in the family
Role adjustments are difficult after they contain a partner or companion. This can create a extrude within side the courting with one character feeling cheated of the attention, aid and assist of the opposite.
The required details for partner in given paragraph
A companion is a person with whom one has a courting and with whom one shares (or desires to share) " lifestyles " (for some time or actually for the complete lifestyles). Usually one lives with a lifestyles companion. Formal styles of partnership include marriage , registered partnership and a cohabitation agreement whether or not or now no longer drawn up through a notary . There is likewise the idea of joint housekeeping , which isn't a lot decided through what's recorded, however extra through real behavior. A companion is someone you're legally married to, or in a civil union or de facto courting with, and who you stay with in a true and solid partnership. Partners may be of the equal or contrary sex. In a partnership, every companion has a criminal obligation to behave within side the partnership's satisfactory interests, in addition to the satisfactory hobby of the opposite companions.
There's additionally the criminal obligation of man or woman non-public legal responsibility for partnership obligations. General companions are answerable for all contracts entered into through different companions.
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when constructing a punnett square, the symbols on the outside of the boxes represent FITB , while those inside the boxes represent FITB .
When constructing a punnett square, the symbols on the outside of the boxes represent gametes, while those inside the boxes represent progeny.
A haploid cell that combines with another haploid cell during fertilization in creatures that reproduce sexually is known as a gamete, or "wife," ultimately from Ancient Greek. Gametes, commonly known as sex cells, are an organism's reproductive cells.
Meiosis (reduced division), in which a germ cell splits into two pieces and produces four gametes, is the process by which gametes are created. Male and female gametes combine during fertilization to form a diploid zygote.
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Describe two observations darwin made on his voyage on the beagle that helped him develop his theory of evolution.
He experienced an earthquake that lifted the ocean floor 2.7 meters (9 feet) above sea level. He also found rocks containing fossil sea shells in mountains high above sea level.
A fossil (from Classical Latin fossilis, lit. 'received by way of digging')[1] is any preserved stays, impact, or hint of any once-living aspect from a beyond geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, gadgets preserved in amber, hair, petrified wooden and DNA remnants. The totality of fossils is referred to as the fossil document. Paleontology is the have a look at of fossils: their age, technique of formation, and evolutionary importance. Specimens are commonly considered to be fossils if they are over 10,000 years antique.
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