物理
运动学、受力分析、电学与方程推导。
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why does victor choose the orkney islands in scotland as his workplace?…
They are isolated, with few people nearby to witness his experiments.
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speed in a specific direction acceleration the location of an object th…
speed in a specific direction
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the continued display of a behavior after reinforcement has been remove…
C. resistance to extinction
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read the second paragraph from \money to us is of no value\ we know tha…
The US government should pay the settlers to move elsewhere, not the tribes.
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5. rank the following: a. rank the graphs according to which show the g…
a. \(1 - C\), \(2 - D\), \(3 - F\), \(4 - A\), \(5 - B\), \(6 - E\) b. \(1 - E\), \(2 - F\), \(3 - C\), \(4 - D\), \(5 - A\), \(6 - B\)
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why do many recording studios have curved ceilings lining their walls? …
To absorb sound waves and promote higher - quality sound.
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why do sound waves travel slowest in gases? a gass particles are very c…
B. A gas's particles are very far apart.
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what do sound waves need to travel through? neither a medium a vacuum
a medium
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what type of wave is a sound wave? transverse ocean longitudinal
longitudinal
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what happens during a rarefaction of a sound wave? the particles that a…
The particles that a sound wave passes through are spread out.
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25 multiple choice 2 points which function finds the smallest value in …
MIN
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an eeg measures the electrical output of the brain by using sensors tha…
F
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22 multiple choice 2 points how does google docs handle saving your wor…
22. It saves automatically as you type 23. A bit 24. Use relevant, high - quality images to enhance your message
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19 multiple choice 2 points what feature would you use to make a title …
19. Bold, italic, or underline formatting 20. Execute many tasks simultaneously by quickly switching between them 21. It allows access from any device with an internet connection
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which lobe of the brain coordinates voluntary muscle movement? a fronta…
A. frontal
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16 multiple choice 2 points what is the function of slide master in pow…
16. To control the design and layout of the entire presentation 17. Web Browsing 18. Graphical User Interface (GUI)
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10 multiple choice 2 points which type of computer provides services li…
10. C. Server 11. D. To apply consistent fonts, colors, and backgrounds across all slides 12. A. Calculate, sort, filter, and create charts
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choose the correct answer what type of wave travels by compressing part…
Longitudinal
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9.5.3. a thin - walled hollow cylinder is rotating about an axis that p…
C. \(\omega=\frac{v}{r}\)
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what is the rarefaction of a longitudinal wave? the place where the par…
the place where the particles are farthest apart
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what does it mean when the compressions of a longitudinal wave are far …
The wavelength is longer.
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7 multiple choice 2 points how do you insert a chart or graph in powerp…
7. Go to Insert > Chart 8. Minicomputers 9. Click on the Chart Title area and type a name
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what happens when the crests of a transverse wave move closer together?…
The wavelength is getting smaller.
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which is the best description of transverse waves? a transverse wave mo…
A. A transverse wave moves up and down.
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4 multiple answer 2 points which of the following can you insert into a…
- **Question 4**: All options (Tables, video (as links), Links to websites, Images) can be inserted. - **Question 5**: Integrated Circuit (IC) - **Question 6**: `.pdf`
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what is the best definition of a wave? a wave is electric charges that …
B. A wave is a disturbance that transfers energy.
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which of the following best describes amplitude? amplitude is how fast …
Amplitude is how far a wave moves from its resting position.
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where would sound not be able to travel? through the ocean through oute…
through outer space
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what medium do sound waves most commonly travel through to reach our ea…
B. air
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1 multiple choice 2 points which component acts as a mediator between t…
1. Operating System (OS) 2. Solid - State Drive (SSD) 3. IF
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which is the best definition of a wave? a wave is a disturbance that tr…
A wave is a disturbance that transfers energy.
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the newcomen ______ one of the worlds first functional steam engines—us…
C. engine,
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which of the following best describes the human skins multiple receptiv…
D. sensory fields in the skin that respond to mechanical stimuli
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what is the wavelength of a wave? the distance between a given point on…
the distance between a given point on two neighboring waves
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if a wire slows down, what does this mean? the speed has decreased. the…
The speed has decreased.
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what medium do sound waves most commonly travel through to reach our ea…
air
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which of the following is a mechanical wave? sound gamma rays radio lig…
Sound
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in 2021, a team led by amir siraj hypothesized that the chicxulub impac…
B. By arguing that it does not account for the amount of iridium found in geological layers dating to the Chicxulub impact
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all of the following are taste sensations except a. sweet b. bland c. s…
B. bland
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sound waves need a medium in order to travel. so, as sound waves pass t…
through outer space
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7. a grapefruit has a weight on earth of 4.9 newtons. if the accelerati…
The grapefruit's mass is \( 0.5\space kg\).
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select the correct answer. what is ethos? a. an appeal to credibility b…
A. an appeal to credibility
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6. a suitcase with a mass of 2 kg has a weight of 18 n on a particular …
\(9\space m/s^{2}\)
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adopt a pet owning a pet pets are loyal companions and can benefit thei…
C. expert opinion
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directions: solve the following problems. show your calculations in the…
\(1.421\space N\)
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why did pope gregory vii and henry iv come into conflict? ○ henry iv tr…
Henry IV believed he had the authority to appoint church officials.
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7 multiple choice 2 points how do you insert a chart or graph in powerp…
7. Go to Insert > Chart 8. It allows access from any device with an internet connection 9. In the Notes section at the bottom of each slide
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which of the following correctly lists the structures through which gus…
D. cranial nerves, thalamus, insular cortex
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4 multiple choice 2 points if text doesnt fit on a slide, what should y…
- **Question 4**: Remove some text and use more images - **Question 5**: Design tab - **Question 6**: It helps the audience focus on your message without distractions
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4. what are the three types of friction and when does each apply?
- Static friction: When an object is at rest and a force is applied to move it. - Sliding friction: When an object is sliding over a surface. - Rolling friction: When an object is…
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sound waves are detected by the pinna, or the outer part of the ear. pl…
T
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1 multiple choice 2 points how can you add a new slide to your presenta…
1. Click on the “+” button or use the drop - down to select a layout 2. Click the "Present" button in the top - right corner 3. Multiple people can edit the presentation at the sa…
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question 3 what pattern do you see between location of crust and the ag…
Crust by the mid - ocean ridges is younger
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the image below shows a page from a medical textbook published in 1555 …
new evidence changed the interpretation of the claim
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close read: analyze the text identify the choice that best answers the …
D. It is terrifying enough to make them forget valued possessions.
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question 2 what pattern do you see between the type of crust and the ag…
continental crust is older than oceanic crust
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after the fall of the roman empire, which political force assumed the c…
the Catholic Church
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in the 1300s, jewish people were often blamed for causing the plague an…
were persecuted and murdered.
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a hearing aid is an electronic device that sound waves. a. converts b. …
D. amplifies
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3. is it possible for an object at rest to have forces acting upon it? …
Yes, it is possible. An object at rest can have forces acting on it as long as the net force (the vector sum of all forces) is zero. For instance, a stationary book on a table exp…
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a construction worker needs to know how fast water will flow through a …
A. \(v = \sqrt{20h}\) ### (b)
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the ears neural tissue lies on the, which forms the floor of the cochle…
C. basilar membrane
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the loudness of a sound is measured in units called \hertz.\ please sel…
F
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binaural fusion is the process in which the brain processes information…
F
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2. how can you know when an object has an unbalanced force on it?
If an object's velocity (speed and/or direction) changes, there is an unbalanced force acting on it.
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the ossicles are the three smallest bones in the human body. please sel…
T
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smoking can increase someones risk for developing macular degeneration.…
T
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isaac newton discovered that the color white is created when light pass…
F
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how did the famine and the plague affect the population of europe in th…
They killed millions and led people to move to cities.
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dance choreographer alvin aileys deep admiration for jazz music can mos…
Ailey’s work was strongly influenced by jazz.
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all electromagnetic radiation is visible to the human eye. please selec…
F
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rods play a key role in dark adaptation and detects gray, black, and wh…
T
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the tough, opaque tissue that acts as the eyes protective outer layer i…
D. sclera
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which part of the eye helps focus light rays on the retina? a. lens b. …
A. lens
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15 multiple choice 2 points the diagram below represents the developmen…
spiral galaxies
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perception of color is determined by the wavelength of light that an ob…
T
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speciation, fossilization and sedimentation quiz name date per 1. multi…
1. B. The settling of particles to form layers of sediment 2. Sedimentation buries organisms quickly, protecting them from decomposition and scavengers. Over time, minerals can re…
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multiple answer 4 points select all the biomes. dead tree hydrosphere r…
C. Reefs, D. Grassland, E. Wetland, F. Forest, H. Bog, J. Aquatic
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13 multiple choice 2 points which object in our solar system reflects l…
the Moon ### Question 14
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subtractive color mixing involves mixing lights, as seen in theaters. p…
F
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what is this? * sewing machine needle bed stitch selector
sewing machine
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the image below shows a page from a medical textbook published in 1555 …
the need to check facts before publishing a book
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what is this on the bottom right? * power button stitch selector bobbin…
power button
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finally, it was determined that fleas on rats caused the black death, b…
1890s
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12 multiple choice 2 points which of the following diagrams best repres…
The third diagram (Universe contains Galaxies which contain Stars) is correct.
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6 put the correct process of the nitrogen cycle above the image that re…
Atmospheric Nitrogen
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the solar system object in the photograph below is 56 kilometers long. …
- **Question 9**: an asteroid - **Question 10**: Saturn - **Question 11**: one of billions of galaxies in the universe
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6 multiple choice 2 points compared to the jovian planets in our solar …
- Question 6: more dense and closer to the Sun - Question 7: closest star - Question 8: Jupiter, Saturn, and Uranus
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4. select the correct answer. the availability of electricity in the 19…
appliances
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2 multiple choice 2 points cosmic background radiation provides direct …
- Question 2: the universe - Question 3: hydrogen and helium - Question 4: Big Bang theory - Question 5: Big Bang theory
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1 multiple choice 2 points according to the big bang theory, which grap…
The first graph (the one with an increasing trend of size with time) best represents the relationship between time and the size of the universe from the beginning of the universe …
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japanese army forces killed hundreds of thousands of soldiers and civil…
- First Question: the Massacre of Nanking - Second Question: He did nothing as he felt government shouldn't interfere with business - Third Question: Germany and the Soviet Union
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a projectile is shot upward from the top of a 112 - foot building at an…
7 seconds
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what type of control would describe training, inspection, and housekeep…
Administrative
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15 true or false 1 point after an aed has been used, cpr is no longer n…
False
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14 multiple choice 1 point a rescuers should do compressions on the cen…
Center of the chest
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13 true or false 1 point as soon as you notice someone is choking, swee…
False
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which comparison of beowulf and grendel is most accurate? grendel is ch…
In the poem, Grendel seems like a heartless monster, but in the novel he is emotionally complex.
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12 multiple choice 1 point when assessing the scene, you should conside…
All of the above.
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using the diagram, at which point will the object have the lowest amoun…
B. Option Text