物理
运动学、受力分析、电学与方程推导。
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having problems staying logged in or are you experiencing issues? pleas…
- Wavelength ↔ Distance from a crest to the next adjacent crest. - Amplitude ↔ Distance from rest position to a crest position. - Speed ↔ The distance traveled by a point on the w…
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based on the data gathered, we measured the boiling point of water as 9…
to record an experiment and demonstrate learning
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read the lab report conclusion and then answer the question. based on t…
a. a high school science teacher
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drag and drop the appropriate term into the text. inefficient governmen…
1. Inefficient government policy can lead to $\boldsymbol{market\ failures}$ 2. Political $\boldsymbol{self - interest}$ can cause elected officials to fund unnecessary infrastruc…
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review the water quality report and then answer the question. sparrowto…
to inform residents about the source and content of Sparrowtown's drinking water
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____ is designed to protect you from injuries to your head, face, eyes,…
B. Personal Protective Equipment (PPE)
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the diagram represents a snapshot in time of a wave traveling through a…
Wavelength: 4 cm, Amplitude: 1 cm
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which of the following provides the same protection as safety glasses? …
None of these (the third option, with identifier and text: None of these)
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having problems staying logged in or are you experiencing issues? pleas…
Location A: Crest Location B: Crest Location C: Trough Location D: Trough
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what type of footwear has metal reinforcement to protect the bottom of …
The option with "Reinforced sole boots" (the third option from the top).
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the diagram represents a snapshot in time of a wave traveling through a…
(Assuming longitudinal wave): - Location A: Rarefaction - Location B: Compression - Location C: Compression (or another rarefaction? No, maybe I'm wrong. Wait, the correct answer …
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what should you consider when choosing the type of hearing protection y…
The noise levels you expect to encounter
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question 18 of 20 how did the passage of the dawes act affect indigenou…
B. Indigenous peoples who did not claim a plot of land lost that land to American citizens.
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the gross domestic product of the united states is mostly measured usin…
D. Government Spending
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the diagram represents a snapshot in time of a wave traveling through a…
\( 3.0 \)
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dining room, living room, kitchen, bedroom #1, bathroom, hallway, bedro…
(Depends on the specific question, e.g., if combining top lengths: \(14x + 14\) feet)
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periods run ______ on the ptote. horizontally north and south left and …
vertically (or up and down, or north and south. But if we have to choose from the options, the correct options are: - vertically - up and down - north and south But if we pick one…
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the diagram represents a snapshot in time of a wave traveling through a…
- Location A: Downward - Location B: Downward - Location C: Upward - Location D: Upward (Assuming wave propagates to the right; if wave direction is left, reverse: A and B upward,…
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columns run ______ on the ptote. left and right east and west verticall…
D. north and south, F. up and down, C. vertically (Note: If we consider the most standard geographic - related answer for columns in a grid (like a map grid), "north and south" is…
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tap to select a matching pair. once two options are selected, tap on th…
- Mechanical Wave - Requires a material in order to move between locations - Electromagnetic Wave - This type of wave can move through a vacuum - Longitudinal Wave - Particle moti…
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consider the three statements. two are true. one is false. select the f…
#3. When a wave moves through a medium, particles of the medium move along an undulating (curved) path from one end to the other.
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seasons across 3. season that is also called autumn 5. frozen water 9. …
The filled crossword has answers like: Across: 3. Fall, 5. Ice, 9. September, 12. Sun, 13. Equinox, 14. June, 15. Winter Down: 1. Solstice, 2. Summer, 4. December, 6. Spring, 7. L…
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mission wm1: nature and categories of waves the diagrams below depict v…
C. Diagram C
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mission wm1: nature and categories of waves true or false: as a water w…
b. False
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mission wm1: nature and categories of waves if a longitudinal wave is c…
a. horizontal
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mission wm1: nature and categories of waves the diagrams below depict v…
B. Diagram B
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mission wm1: nature and categories of waves which one of the following …
a. Coil A pushes on coil B which pushes on coil C which pushes on... coil Z.
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question 2 of 20 what was one effect of migration by white settlers on …
D. Indigenous families and communities were devastated.
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mission wm1: nature and categories of waves which three of the followin…
a. Waves involve periodic and repeated disturbances of the medium. b. As waves pass through a medium, particles of the medium undergo a back-and-forth vibration about a fixed posi…
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mission wm1: nature and categories of waves if a transverse wave is cre…
a. vertical
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understanding credit / loans use the information below to answer the qu…
The terms of student loans, including repayment period and interest rates.
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example 3 - calculating volume an unknown metal has a density of 5.6 g/…
$17.22\ \text{cm}^3$ (corresponding to the option with 17.22 cm³)
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true or false: waves transport energy from one location to another with…
a. True
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understanding credit / loans use the information below to answer the qu…
B. Some loans offer longer terms with lower monthly payments (assuming the options are labeled A, B, C with this as B; adjust label if needed)
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understanding credit / loans use the information below to answer the qu…
B. Some loans offer longer terms with lower monthly payments (assuming the options are labeled A, B, C with the first as A, second as B, third as C)
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as in act i, scene 1, benvolio says, “i do but keep the peace: put up t…
William Shakespeare's birthday was on April 23, 1564.
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go to breadlines and soup kitchens and read the article. then answer th…
To answer these, research historical sources: 5) E.g., food (bread, soup), clothing, medical aid. 6) Private charities/individuals; Al Capone (ironic: gangster providing relief). …
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in passage 1, how does the author’s use of phrases like \treacherous ro…
A. by emphasizing hazards that the travelers encountered along the trail
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how does carbon transfer between the atmosphere and ocean?
Carbon transfers between the atmosphere and ocean through: 1) Diffusion: $\ce{CO2}$ moves from areas of higher partial pressure (e.g., atmosphere with high $\ce{CO2}$) to lower (o…
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why is earths outer core hotter than earths oceanic crust? earths ocean…
D. Earth's outer core is deeper within Earth than oceanic crust is.
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12. streptococcus is a type of _______________ that can cause strep thr…
12. bacterium 13. Asepsis 14. microorganism (or microbe) 15. epidermal 16. Sepsis 17. sterilization 18. disease (or infectious disease) 19. nosocomial 20. invasive procedures 21. …
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which statement describes how the mantle is similar to earths oceanic c…
It has varying degrees of thickness.
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study the diagram showing the range of temperature in the earths layers…
C. The continental crust is the coolest region (assuming the option order, but based on analysis, the correct option is the one stating "The continental crust is the coolest regio…
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a scientist collects a core sample from 60 km deep in earth. which char…
The sample has high iron content.
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which of the following best describes energy flow on earth? (1 point) e…
A. Earth is a closed system; only energy is exchanged with the surroundings.
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in order for humans to live on mars, they would need to develop methods…
D. a closed system; energy is exchanged with the surroundings and not lost
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luka is heating up a pot of water on a gas stove. which of the followin…
C. This is an open system, so matter and energy are exchanged with the surroundings.
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Question was provided via image upload.
d. Mississippi ### Question 13
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14 multiple choice 2 points which quote best supports the claim below? …
A. "If we weren't at school or work or church, we were out exploring."
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passage 1: the gift of the magi by o. henry ho celebrate the christmas …
D. by using figurative language that expresses love
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question 3 (1 point) the st. lawrence river borders the u.s. and canda …
b. transportation ### Question 4
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drag the right word to its definition an area of hot, dry land with few…
The word that matches the definition "an area of hot, dry land with few plants" is "desert" (the purple circle labeled "desert" should be dragged to the blue definition box).
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passage 1: the gift of the magi by o. henry to celebrate the christmas …
B. In both passages, a character makes a large sacrifice for a loved one.
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which of the following is a common misperception about sti transmission…
D. All STIs can only be transmitted through intercourse.
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what is the name of the rod that you twist on the tourniquet to create …
A. windlass
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practice questions - what process powers the sun? - which element is pr…
Nuclear fusion (specifically the proton - proton chain reaction) ### Second Question: Which element is produced inside medium - sized stars like the Sun?
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which of the following is not a way a mother passes an sti to her child…
D. through soiled diapers
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read the passage and study the image from sugar changed the world. cutt…
D. The illustration depicts the people, equipment, and oxen required to manufacture sugar
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read the selection and choose the best answer to each question. skyscra…
To show how the Flatiron Building fits into an odd space (the corresponding option, e.g., if it's option D, then "D. To show how the Flatiron Building fits into an odd space")
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which of the following activities can spread an sti? a giving blood b u…
D. sharing needles
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read the selection and choose the best answer to each question. skyscra…
B. A new type of supertall skyscraper, called a pencil tower, is becoming common in New York City. The Steinway Tower, nicknamed after the piano store that used to be at its locat…
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skyscraper city retro building in manhattan 1 in 1885, the 11 - story h…
D. Advances in technology led to new skyscrapers that addressed the lack of space in cities.
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read the selection and choose the best answer to each question. skyscra…
D. A community's preferences and needs are reflected in the kinds of structures that are created.
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drag the missing word into place we had very strange weather today with…
precipitation
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which of these parts should be replaced when reassembling? a b c a b c …
C. C ### Question 14 (Purpose of tool kit)
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technician a says that a steel piston should have a greater piston - to…
Technician A only ### Question 12:
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3) an astronaut has a mass of 68-kg. what is the acceleration due to gr…
The acceleration due to gravity on the moon is \(1.62\space m/s^2\). ### Problem 4
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although some calipers will fit either side of a vehicle, they should n…
D. Pistons move in opposite directions ### Question 9 (Technicians on Brake Pads)
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technician a says that all metal-to-metal contact areas of the disc bra…
Both technicians ### Question 7 (Brake Pedal to Floor)
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multiple-choice question energy from nuclear fission can be used to cre…
True
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technician a says that a lack of lubrication on the back of the disc br…
Both technicians ### Question 4 (removing caliper piston):
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hands off! the caption reads: \hands off! this in reality entails no ne…
C. the willingness of the United States to use force in Latin America to stop European interference
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uneven disc brake pad wear is being discussed. technician a says the ca…
Both technicians ### Question 2 (Chirping noise while moving, stops on braking)
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how does the federal reserves lender of last resort role prevent a bank…
D. It gives emergency loans to prevent bank failures.
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multiple choice question 17 how did the united states acquire the right…
C. by providing military support to Panama to gain its independence from Colombia
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to fail and fail again david duchovny just texted me and asked what i t…
D. He uses examples about his family to create an emotional appeal.
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the strong force is the force responsible for keeping the number of neu…
keeping protons and neutrons together in the nucleus of an atom. This is difficult because the protons being all the same charge will want to repel.
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a prominent belief in the 1800s that american set-tlers were entitled t…
a. Manifest Destiny ### Second Matching:
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which detail from the passage is an example of how the author uses figu…
"The crackling freedom and electricity when you forget your lines." (paragraph 2)
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what is the central idea of a text? ○ the feeling or emotion that a tex…
D. the main point the author is trying to make
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3) an astronaut has a mass of 68-kg. what is the acceleration due to gr…
The acceleration due to gravity on the moon is \(1.62\space m/s^2\).
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multiple choice question 15 what was the outcome of the boxer rebellion…
A. European nations assembled a military force that defeated the Boxers and maintained their trading practices in China.
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based on information in the passage, which sentence best describes the …
d. Houseplants can improve people's health by decreasing people's stress and improving the environment.
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how does lowering the federal funds rate target help encourage economic…
D. It lowers borrowing costs to increase spending.
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we live in a microbial world, and there are many opportunities for food…
A. The language is informative, implying that the purpose is to educate the reader about the causes of food contamination.
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which statement below best summarizes the likely effects on the carbon …
D. Clear - cutting would increase the amount of carbon dioxide found in the atmosphere.
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the allies forced germany to fight the war on _________. choose flapper…
1. For "The Allies forced Germany to fight the war on ____": Two fronts 2. For "____ was a skilled military leader who led forces to victory in Africa": George Patton 3. For "____…
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Question was provided via image upload.
23. Mesosaurus 24. Europe 25. glacial 26. ridges 27. spreading 28. 1950s 29. magnetic 30. paleomagnetism 31. lithosphere 32. asthenosphere 33. transform 34. Pangaea 35. Panthalassa
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read the passage from sugar changed the world. sugar is different from …
B. It informs readers that there is a connection between slavery and sugar.
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there are 8 lines in the poem. the poem is numbered every 2 lines. inte…
4. a pause ### Part B
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respiration has the greatest effect on which cycle? ○ sulfur cycle ○ ni…
D. carbon cycle (assuming the options are labeled A to D with A: sulfur cycle, B: nitrogen cycle, C: phosphorus cycle, D: carbon cycle)
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read the claim and the supporting evidence. claim: weekly physical acti…
The analysis that better explains the connection is: "To maintain good health, you should exercise every week."
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multiple-choice question the valdivia chile earthquake measured at a __…
The option with "9.5" (the last option, as per the checkmark in the image, likely the fourth option if numbered, but based on the content, the correct value is 9.5, so the option …
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multiple-choice question the valdivia chile earthquake measured at a __…
D. 9.5 (assuming the options are labeled A: 8, B: 8.5, C: 10, D: 9.5)
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multiple-choice question the largest recorded earthquake occurred in 19…
B. Valdivia, Chile, South America
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101 | national geographic multiple-choice question seismologists prefer…
B. Moment Magnitude Scale
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what is one type of light that both the sun and a light bulb emit? □ ga…
visible (the checkbox next to "visible" should be selected)
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why was he awarded the medal? * ○ baker was a commander in ww 1 and his…
D. Baker led actions against German forces that helped drive German forces out of northern Italy (Note: Assuming the options are labeled A, B, C, D with the fourth option as D; if…
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multiple-choice question what do the jagged lines recorded on seismogra…
B. waves (assuming the options are labeled with a checkbox, and the correct option is the one with "waves" as the text. If the options were labeled A, B etc., and "waves" was opti…
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who is this biography about? * ○ president bill clinton ○ german forces…
C. Vernon Baker (assuming the options are labeled A to D with A: President Bill Clinton, B: German Forces, C: Vernon Baker, D: African American Men)