物理
運動學、受力分析、電學與方程推導。
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how have changes in seatbelts kept people safer? fill in the blanks to …
At first, seatbelts went across the lap only. Then three - point seatbelts were introduced. Three - point seatbelts secure the shoulders, waist, and lower body, providing better s…
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word part list algia ectomy itis neur oma on osis tumor derived from th…
neuroma
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different watersheds are characterized by their area, slope, and soil. …
A. Watershed A, because of its highly permeable soils.
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objective #4-identify the name of a mineral based on its physical prope…
1. Fluorite 2. Feldspar
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calista is writing an argumentative essay about curfews for minors. whi…
B. Although some studies suggest that minors will ignore legal requirements concerning curfews, most cities with existing curfews have seen a reduction in crime as well as an impr…
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word part list itis lum lysis metr my myo oma pathy myo tumor derived f…
myo, oma
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word part list dynia cctomy itis lysis malacia megaly rrhexis splen spl…
splenitis
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word part list algia dynia itis lith logist neuro osteal ot oto plasty …
otoscope
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how have changes in seatbelts kept people safer? fill in the blanks to …
At first, seatbelts went across the lap only. Then three - point seatbelts were required. By 1985, every seat was required to have this kind of seatbelt.
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the following is a draft of a student essay. it may contain errors. sch…
D. Some students argue that school uniforms strip them of their right to express themselves freely, which prevents them from having individual thoughts and forces them into confor…
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the prevailing winds in the region shown below blow over the sea, then …
C. III
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word part list cole cyst ectomy iasis itis lith rrhea ureter uretero ur…
uretero, itis
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earths arctic regions lie within the polar latitudes between 66° and 90…
C. The curvature of the Earth causes the sun's energy to spread over larger areas at higher latitudes.
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a 31 - kg child is sitting on a playground teeter - totter, 1.8 m from …
d) $1.3\,\text{m}$
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most of the earths air mass is found in the atmospheric layer closest t…
B. nitrogen
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word part list itis myo myos rrhaphy sclerosis spasm tomy abnormal hard…
myosclerosis
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question 16 (1 point) in an inelastic collision involving an isolated s…
C. zero
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undersea geologic events that suddenly shift sea - floor rock can displ…
B. a tsunami
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four soil types are described by the table below. a crop farmer is deci…
B. loam
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word part list cardial carditis ytosis mastia micr micro myo otia condi…
microotia
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which one of the following situations does the object have no accelerat…
A. An elevator in a tall skyscraper moves upward at a constant speed of 3 m/s.
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4.4.6 quiz: final days of the war question 8 of 10 what was true of the…
C. He changed his commanding general several times.
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objective #2-state the properties we use to identify a mineral and how …
1. Color = Observed visually. 2. Luster = Determined by how the mineral reflects light (e.g., metallic, glassy). 3. Hardness = Measured using the Mohs scale (scratching against kn…
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which best describes the events that occurred in 1957 at central high s…
Orval Faubus sent troops to resist integration, and President Eisenhower sent troops to enforce it.
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4.4.6 quiz: final days of the war question 7 of 10 i was offered and re…
A. Robert E. Lee
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word part list algia dynia itis lith logist neuro osteal ot oto plasty …
oto sclerosis
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the prevailing winds in the region shown below blow over the sea, then …
D. IV
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the chart below shows the length of daylight (in hours) in the northern…
C. Day length is becoming shorter because winter is approaching.
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the 1950 supreme court decision to banseparate but equal law schools in…
Forced graduate schools across the country to integrate.
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five forces act on a rod that is free to pivot at point p, as shown in …
Force B is producing a counter - clockwise torque about point $P$.
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fatigue concentration alert melatonin distraction 1. lack of sleep can …
1. concentration 2. melatonin 3. distraction 4. alert 5. fatigue 6. The guard dog remained alert throughout the night.
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which of the following best describes conditions during el niño events …
D. cool ocean surface temperatures and drought in the coastal regions
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which of the following is an effect of the high input of solar radiatio…
B. High solar heat allows air to hold more water vapor, and vapor condenses into rain.
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6 warm air is pushed up by cooler air during convection because the war…
less dense DARK GREEN
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a 0.330 - kg volleyball is thrown vertically downward with a speed of 0…
C. \(0.262\ kg\cdot m/s\)
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density = 2.7 g/cm³ the mass of this piece of material is approximately…
D. \(32\space g\)
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a 1 - kg ball is released from a height of 6 m, and a 2 - kg ball is re…
B. Both balls will reach the ground with the same kinetic energy. C. As they reach the ground, the 1 - kg ball will be moving faster than the 2 - kg ball.
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the prevailing winds in the region shown below blow over the sea, then …
D. IV
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pbf: benefits and limitations use the information below to answer the q…
The machine has a large size.
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question 10 (1 point) john and peter stand on a snow - covered roof. th…
B. Peter's snowball will stay in the air longer than John's snowball; C. Peter's snowball has exactly the same acceleration as John's snowball.
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14) the diagram below represents a solid material of uniform compositio…
D. \(32\space g\)
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directions: read the paragraph. then answer the question. the question …
Part A: A. to stop flooding Part B: D. "The Hoover Dam was built to prevent flooding."
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you throw a baseball straight up. compare the sign of the work done by …
d) The work is negative on the way up and positive on the way down.
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which of the following best describes conditions during la niña events …
A. cool ocean surface temperatures and warmer air temperature
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13) what is the mass of a rock that has a density of 2.5 grams per cubi…
B. \(10.0\space g\)
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12) the diagrams below represent four solid objects made of the same un…
A. $4.00\ cm^{3}$
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question 8 (1 point) a 1000 - kg car is moving at 15 km/h. if a 2000 - …
d) \(51\space km/h\)
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questions 10 and 11 refer to the following: the diagrams below represen…
10) C. \(3.0\ g/cm^{3}\) 11) A. \(C,B,A\)
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what would be the weight of a 59.3 - kg astronaut on a planet twice as …
C. 580 N
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two cities in north america are shown on the map below. in san francisc…
B. San Francisco is closer to a large body of water.
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questions 10 and 11 refer to the following: diagrams below represent th…
C. \(3.0\mathrm{g/cm}^3\)
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which of the following statements is true about hail storm frequency in…
C. It is much higher than normal during La Niña and much lower than normal during El Niño.
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the prevailing winds in the region shown below blow over the sea, then …
D. IV
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when the student nonviolent coordination committee first formed in 1960…
it did not promote aggressive action.
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questions 10 and 11 refer to the following. diagrams below represent th…
C. \( 3.0\space g/cm^{3}\)
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two forces act on a 55 - kg object. one force has a magnitude 65 n dire…
B. \(1.5m/s^{2}\)
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9) the graph below shows the relationship between the mass and volume o…
A) \(6.0\space g/cm^{3}\)
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4.4.4 quiz: the war at home question 3 of 10 who were the copperheads? …
D. Northern Democrats opposed to the war
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which best describes how brown v. board of education affected the unite…
It dealt a blow to segregation in public facilities.
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why did president truman issue executive order 9981 in 1948? to integra…
to integrate the armed forces
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7) the table below identifies four density groups. according to this cl…
A. Group A
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in terms of post - processing, what is one limitation of powder bed fus…
grinding off the support structure
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6) a pebble has a mass of 35 grams and a volume of 14 cubic centimeters…
B. \(2.5\space g/cm^{3}\)
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which of the following is true about the cost of powder bed fusion (pbf…
They are very expensive.
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3 heat transfer from water at the bottom of a pot to water at the top i…
- **Question 3**: convection (RED) - **Question 4**: radiation (ORANGE) - **Question 5**: metal (LIGHT BLUE)
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5) the diagram below shows equal masses of four different earth materia…
A. iron
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4) object a below is a solid cube of uniform material having a mass of …
D. \(2.6\space g/cm^{3}\)
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before the national organization for women was founded, efforts to gain…
few changes by either the government or employers.
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3) an empty 250 - milliliter beaker has a mass of 60 grams. when 100 mi…
A. \(0.8\) g/ml
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a collision between two objects is elastic. which one of the following …
C. The total kinetic energy of the objects is the same before and after the collision.
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2) what is the density of a rock which has a mass of 35 grams and a vol…
B. \(5.0\space g/cm^{3}\)
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pbf: benefits and limitations use the information below to answer the q…
A print may need to be created in two parts.
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the diagram below represents a rectangular object with a mass of 450 gr…
C. 3 grams per cubic centimeter
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read the passage. then answer the question. australia is known for its …
Wave Rock is a (flared slope), which is a (land formation).
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an eagle soars through the air toward a tree. from the perspective of t…
Both the eagle and the tree are moving.
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notes which of the following are possible consequences for employee the…
Prosecution, Letter in employee file, Termination
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which of the following are possible consequences for employee theft? se…
Prosecution, Letter in employee file, Termination.
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a 450 - kg sports car accelerates from rest to 100 km/h in 4.80 s. what…
e) \(394\ N\)
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a plane flies toward the airport. from the perspective of the sun, whic…
Both the plane and the airport are moving.
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a swimmer stands ready on a starting block. from which perspective woul…
From the perspective of the sun
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4.4.2 quiz: civil war breaks out question 8 of 10 what was a result of …
C. The Southern army was blocked from entering the North.
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a truck is using a hook to tow a car whose mass is one quarter that of …
E. 34000 N
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a plane flies toward the airport. from the perspective of a person insi…
Only the plane is moving.
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question 1 (1 point) which requires less work: increasing a cars speed …
B. \(0\) mph to \(30\) mph
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read the excerpt from the odyssey. at this he gave a mighty sob and rum…
He fears far more harm will come to him if does not befriend Odysseus.
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read the passage. then answer the question. 3d printers 3d printers can…
copy
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read the passage. then answer the question. 3d printers 3d printers can…
D. made liquid or very soft by heating
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4.4.2 quiz: civil war breaks out question 3 of 10 the goal of the union…
A. The First Battle of Bull Run
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earths natural force pulls in meteors that travel close by. meteors rub…
1. Earth's natural force pulls in meteors that travel close by. 2. Meteors rub against the air and get very hot. 3. Meteors burn up and are destroyed. 4. Meteors start to burn up.…
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environmental scientists believe that the best approach to conserving w…
saving both the species and its habitat
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how are invasive species typically introduced into new habitats? by str…
primarily by human actions
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the economist july 9, 2020 1. \if something isnt done, and done in a hu…
Centuries of systemic **racial discrimination (or forms of racism like slavery, Jim Crow etc.)** have caused the average black family to be **significantly (or much)** poorer than…
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climate change is a great example of which type of feedback loop? posit…
positive feedback
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how has human activity negatively impacted the everglades in the southe…
Human activities have made restoration efforts more challenging.
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why is albedo considered crucial for earths temperature stability and h…
It reflects excess heat and energy back into space.
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read the passage. then answer the question. a tsunami is a powerful wav…
D. "creates terrible damage when it reaches land"
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which statement best describes the earths climate system? it is influen…
It is highly complex and influenced by multiple factors.
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what does the term \computer forensics\ refer to? the use of computers …
The breakdown of evidence and crime scene samples by computer
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read the passage. then answer the question. people first flew in a hot …
This lets them steer the balloon where they want it to go.
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what does the montreal protocol regulate regarding ozone - depleting su…
production and use