物理
運動學、受力分析、電學與方程推導。
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why should a stationary air compressor be bolted to the floor? a. to pr…
A. To prevent tipping and reduce vibration
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part i label the parts of the diagram* below using the words in the box…
2. equator 3. pole 4. indirect sunlight 5. orbit 6. sun 7. direct sunlight
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which of the following is not a correct safety practice? a. modifying t…
A. Modifying the compressor tank
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where should you position the compressor for proper ventilation? a. in …
B. 18 inches from walls or obstructions
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where can you find the correct psi for trailer tires? a. on the tire si…
A. On the tire sidewall
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when should you check tire pressure for the most accurate reading? a. w…
B. When the tires are cold
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what type of piping should not be used with compressed air? o a. copper…
D. PVC pipe
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what should you check weekly for proper compressor airflow? a. belt ten…
d. Air filter
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the table shown below gives the approximate distance from the sun for a…
$1.29\times 10^{9}$ km
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structural classification the structural classification, which includes…
1. nervous 2. brain 3. sensory 4. spinal 5. impulses
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label the parts of the atom on the diagram below
1. Electron 2. Electron shell 3. Proton 4. Neutron 5. Nucleus
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the volume of the atlantic ocean is about 3.1·10^{17} cubic meters. the…
$4.92\times10^{5}$
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sound can be transmitted through all of the following, except liquid ga…
D. Vacuum
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question #3 in diffuse reflection, the light hits a bumpy surface and b…
The light hits a bumpy surface and bounces back at many different angles.
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what was one way leaders and others in the black community showed their…
C. By voting for Radical Republican candidates in elections
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question #1 which of the following is a similarity between sound waves …
C. Both carry energy
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question 17 of 20 which diagram correctly shows one result of ending re…
A. The Ku Klux Klan, White League, and Red Shirts are formed. -> Falsely accused Black Americans are lynched in the South.
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what was one goal of groups like the redeemers of the southern democrat…
C. To use intimidation to win back local and state governments for their party
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question #13 based on the table above, what conclusion can you draw abo…
As density increases, the speed of sound increases
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unit 2 exam mcq portion (10 question version) (a) zero (b) 6n (c) 8n (d…
5. D. 40 N 6. A. A
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question #19 what type of reflection occurs when light is reflected off…
Question #19: C. Specular reflection Question #20: D. Diffraction
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6 multiple choice 10 points which of these is not an example of wearabl…
6. C. elliptical 7. A. global positioning system 8. B. False
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question #17 which best describes the different media in which the spee…
Question #17: Light travels faster in gases, while sound travels faster in solids. Question #18: Electromagnetic waves do not need a medium, while mechanical waves do need a mediu…
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how did the battle of mobile bay and the fall of mobile help ulysses s.…
B. After the fall of Mobile, Confederate forces lost one of their last remaining supply ports.
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1 multiple choice 10 points utilizing the global network that connects …
1. D. the internet 2. C. olympics
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which explains a difference between deng xiaoping and mao zedong in reg…
Deng sought to modernize China by introducing capitalism in a limited way, while Mao rejected all capitalist ideas.
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which of the following roles is responsible for determining the cause o…
C. Medical examiner
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during leisure time, a person might be involved in which activity: busi…
First question: C. Favorite hobby Second question: D. May qualify for unemployment insurance.
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find the distance (in million mi) that the earth travels in nine days i…
14.4
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a wave that is formed when waves of equal amplitude and wavelength trav…
1. A standing wave. 2. No correct option among the given ones (but should be refraction).
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which of the following is not true? a. naturalistic art shows things in…
C
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what is the subject matter of this piece of art? a. the theater b. the …
d. ballerinas rehearsing
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question #5 which of the following is an example of refraction? a woman…
Question #5: A boy thinks a fish in water is closer than it really is Question #6: Transverse
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as a result of the enforcement acts and the support of the justice depa…
C. prosecuted for crimes against freed people.
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you can reap the benefits of exercise by exercising a minimum of: once …
First question: Three times a week for twenty minutes. Second question: Job performance.
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7. average temperatures, precipitation, wind patterns, and extreme even…
b. Climate
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after the end of reconstruction, southern states passed ____ laws desig…
C. Jim Crow
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8 what can the study of an authors culture help the reader to better un…
B. The underlying values and beliefs of the characters
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question 4 of 10 how did segregation affect black americans? a. segrega…
C. Segregation required Black Americans to live apart from white Americans.
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one method white southerners used to resist reconstruction was to: a. f…
B. lynch Black leaders falsely accused of crimes.
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in black communities, the ____ served as a unifying force before and af…
A. Black Church
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question 3 of 10 one of the primary weaknesses of the freedmens bureau …
C. multiple mistakes in its attempts to reconnect families.
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classify the following types of evidence serial number pollen soil samp…
Serial Number: Individual Pollen: Class Soil Sample: Class TikTok: Class
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which statement best completes the graphic organizer showing president …
D. Stop those opposed to Reconstruction from committing violence
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new industrial centers which region has the greatest diversity of resou…
# Breve explicación: En general, el sureste de Estados Unidos tiene una amplia variedad de recursos naturales, incluyendo tierras fértiles para la agricultura, recursos forestales…
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check for understanding 4 of 4 answer the question correctly to continu…
D. A daily sunscreen.
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realistic art is intended to show a. something that are easily recogniz…
D. object as they truly appear, without necessarily providing emotion or an experience
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question 4 of 10 unlike the radical republicans in congress, president …
D. provide payments to former slaveholders to compensate for the loss of enslaved people.
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what is the difference between movement and rhythm? a. movement is the …
D. Movement is the sense of motion created by a piece, where as rhythm is the simulation of motion through the repetition of an object or part in the piece.
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question #4 the two waves in the diagram above are traveling at the sam…
The top wave has a shorter wavelength than the bottom wave.
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what role did black soldiers play in the siege of petersburg? a. they s…
C. They joined the Union and reinforced the number of troops.
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what is the meaning of the word evince as used in the passage? normally…
# Breve explicación: En el contexto, Hassan muestra su lado apasionado y artístico al tocar el piano. La palabra "evince" se asemeja a "mostrar" en este caso, ya que el piano le p…
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read the passage. then, select the synonym of the word in bold. normall…
# Breve explicación: El término "evince" en este contexto significa mostrar o revealing. "Reveal" es un sinónimo adecuado, ya que en la frase se dice que el piano le permite mostr…
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which of the following best defines locards exchange principle? evidenc…
When two objects come into contact, a cross - transfer of materials occurs.
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union forces won several battles and took control of a major confederat…
B. capture of Atlanta
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what do you need to include in a photo of evidence to indicate its size…
A known - sized object (e.g., ruler, coin)
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how is trace evidence typically collected? by photographing the evidenc…
C. Using forceps or a trace evidence vacuum
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which of the following are examples of evidence that forensic science d…
D. All of the above
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using the diagram above, how do x - ray and visible light waves differ?…
X - rays have a shorter wavelength, higher frequency, and higher energy than visible light waves.
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when a desirable stimulus is removed following a behavior, ____ has occ…
B. negative punishment
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question 10 of 10 what was one goal of the union campaign against vicks…
A. To cut the Confederacy off from critical supplies from the West
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question 5 of 10 if, then, the courts are to regard the constitution, a…
A. A U.S. law cannot be enforced if it conflicts with the Constitution.
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to take control of the mississippi river, union forces under ulysses s.…
C. Vicksburg
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3.2.5 quiz: the supreme court a presidents actions unconstitutional pre…
C. Can vote to remove Supreme Court justices accused of abusing their power
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what is the meaning of the word dissemble as used in the passage? waiti…
# Breve explicación: En el contexto del texto, Sofia intenta disfrazar o ocultar sus emociones negativas. La palabra "dissemble" en este caso significa esconder o ocultar, lo que …
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what was one result of the battles for chattanooga? a. the confederacy …
C. The Confederate's largest army in the West was defeated.
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read the passage. then, select the synonym of the word in bold. waiting…
disguise
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−9t² + 36t + 4 what does the constant represent in this expression? a. …
A. The initial height of the ball.
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the humid sub - tropical climate region, noted for relatively high temp…
D. Florida, Georgia, and South Carolina
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question 2 of 10 what was one result of the unions victory at the battl…
C. The Confederate army was forced out of Union territory and back into Virginia.
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question #2 as the frequency decreases in an electromagnetic wave, the …
Question #2: The wavelength increases. Question #3: Space
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question 8 of 10 the battle of balls bluff resulted in: a. the union re…
A. the Union retreating from its attack on Virginia
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1. the earths axis is responsible for the four seasons. a. heating b. t…
1. B. tilting 2. B. it is winter in the southern hemisphere
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ava has a prescription that requires a $15 copayment each time she refi…
$180
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question 7 of 10 which factor led president lincoln to make the aboliti…
A. Abolitionists had gradually become more influential in the North.
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question 6 of 10 which statement best completes the diagram? battle of …
D. Tens of thousands of soldiers are killed on both sides.
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question 5 of 10 the unions first strategy to defeat the confederacy wa…
A. surrounding the South using the powerful Union navy.
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the interior plains stretch from the gulf of mexico in the u.s. to cana…
D. Agriculture and livestock
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question #9 which of the following best describes the visible light spe…
C. The shortest wavelength appears violet, and the longest wavelength appears red
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question 1 of 10 one of the major factors in the union defeat during th…
C. General McClellan deciding to delay attacks on Confederate forces.
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the takakaw waterfall in british columbia drops 302 metres in 4 distinc…
a) To sketch the graph of $d(t)=-5(t + 1)^2+265$ for $t\geq0$: Plot the vertex at $(-1,265)$ (but consider only $t\geq0$), find $d(0)=260$, and draw a downward - opening parabola …
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the calculator screen shows the approximate wavelength, in millimeters,…
$5\times10^{-4}$
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you need to determine where to place the beams so that the chains are f…
1. Equation: $25 = ax^{2}$ (assuming a quadratic function $y = ax^{2}$ for the height - distance relationship). 4. If $a = 1$, $x=\pm5$. Rounding to the nearest hundredth, $x = 5.…
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the author of the passage would most likely support which statement? fo…
A. The Union has forced Georgia to secede by interfering with slavery.
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reading like a historian document a: battle of the yarmuk (modified) mu…
The Battle of Yarmuk in 636 CE involved Muslim forces taking control of Syria from the East Roman Empire. The Greeks tied themselves with chains to avoid running away. Some 70,000…
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17. keiko is using metric units of capacity to find an equivalent measu…
Milliliters. A smaller unit of capacity like milliliters can give a more precise measure as it can account for smaller increments compared to deciliters.
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temperature suppose there is a 1.2°f drop in temperature for every thou…
$49.4$
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as frequency increases energy increases and wavelength increases energy…
Energy increases and wavelength decreases
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which of the following is not a type of electromagnetic wave? sound lig…
A. Sound
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check for understanding 2 of 4 answer the question correctly to continu…
C. They can lead to skin allergy, irritation, and sun sensitivity.
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question 29 of 30 which description best summarizes the process of carb…
D. Carbon dioxide is captured and trapped in underground rock formations.
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question 25 of 30 how is an industrial society likely to address the pr…
A. By developing and using wind energy technologies
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coffee trees grown in the shade of taller forest trees produce fewer co…
B. It helps maintain forest biodiversity.
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question 22 of 30 which of the following is a sustainable method of foo…
B. Planting high - yield crop varieties
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question 21 of 30 on a shade - grown coffee plantation, smaller coffee …
A. It provides habitat for forest birds.
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question 20 of 30 the image shows a vehicle that can help manage resour…
A. It conserves more fossil fuel.
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which oceans border both canada and the united states to the east and w…
B. The Pacific Ocean is the western border, while the Atlantic serves as the eastern boundary
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9. misconception: something not moving can’t have any energy.
This is a misconception.
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question 10 of 30 which of the following is an advantage of using an en…
A. It conserves electricity.
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question 9 of 30 how could technology resulting from scientific researc…
D. Carbon dioxide sequestration could reduce atmospheric greenhouse gases.