物理
運動學、受力分析、電學與方程推導。
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combination wrenches a combination wrench combines a box - end and an o…
The box - end enables the user to transfer a relatively large force to a bolt or nut.
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which 2 of these are currently a threat to the existence of the tropica…
A. Deforestation, C. Climate change
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unit 2 - ms word terms - matching quiz 2 test your knowledge of word fe…
To solve this matching quiz, we analyze each term and match it with the correct description: 1. **Context Tab**: The description that matches is B ("The tab that appears on the ri…
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when i say the length of this table is 5 m, the variable in this is ↓ a…
The variable is 5 and the unit is meter (or m).
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post-assessment question 1 of 10 it may be difficult to have a conversa…
C. feeling intense emotions (assuming the options are labeled A, B, C, D with C being "feeling intense emotions")
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the war of the worlds is a science fiction novel by h. g. wells. it ori…
A. It heightens the contrast between what the people of Earth want and what the Martians want.
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distance (km) time (hours) in which section does the car have negative …
A. from A to B
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mrs. peters (to the other woman). oh, her fruit; it did freeze. (to the…
C. on close - ups of the men
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in the formula ( f = m cdot a ), if ( f ) is 20 newtons and ( m ) is 5 …
4 m/s² (corresponding to the option "4 m/s²")
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unit 2 - ms word terms - matching quiz 2 test your knowledge of word fe…
To solve this matching quiz, we analyze each term in Column A and match it with the correct description in Column B: ### 1. Context Tab The description for "Context Tab" is about …
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is it possible for an object to move at constant speed without a force …
C. Yes, an object will move at constant speed unless a force acts to change its motion.
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cause effect cause effect gravity is an outside force that acts on obje…
To solve the cause - effect matching for the gravity - related folder: ### Step 1: Analyze the cause (gravity's definition) The given cause is "Gravity is an outside force that ac…
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the blank of the atom contains almost all of the mass, while the blank …
1. The \boxed{Nucleus} of the atom contains almost all of the mass, while the \boxed{Electron Cloud} contains almost no mass. 2. The \boxed{Protons} (in the nucleus) is positively…
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17. how many months post-9/11 passed before special forces troops began…
6 months ### Question 18
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worksheet: september 11 attacks | facts, history & effects 1.all but on…
e) The U.S. Capitol Building ### Question 2
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5 of 5 how long does it take a beam of light, such as a radio signal, t…
D. 118 seconds
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name exponents are used in some areas of science when performing calcul…
Expressions: \( \frac{1}{2} \times 2800 \times (2^4)^2 \), \( \frac{1}{2} \times 28 \times 100 \times (2^4)^2 \), \( \frac{1}{2} \times 2800 \times 2^8 \); Simplified: \( 358400 \…
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how long does it take a beam of light, such as a radio signal, to trave…
B. 1.38 minutes
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date: __________ li: to identify the continents and oceans of the world…
### Continents: a) Europe b) Africa c) Asia d) North America e) South America f) Australia g) Antarctica ### Oceans: 1) Atlantic Ocean 2) Pacific Ocean 3) Indian Ocean 4) Southern…
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question 1-6 the portion of the triangular trade route that brought afr…
C. Middle Passage
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4 of 5 a star is located 20 light years away from earth. tonight, at 10…
D. 20 years
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president johnson’s plan for reconstruction frustrated many members of …
A. accepted election results that returned Southern planters to power.
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a basket of apples is pulled with a constant force. a friction force ac…
A. pull with less force, C. add an apple to the basket, F. roughen the surface of the table to increase friction (If only one is required, the most direct is **A. pull with less f…
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atomic structure - show what you know the atom is completely solid. tru…
B. False
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as union soldiers marched into richmond in 1865, general lees army had …
had only 35,000 men and no food.
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2 the two quantities necessary for calculating speed are a acceleration…
B. distance, D. time
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exercise 1. what data threat is described below (a) clicking on suspici…
1. A mix of uppercase letters (e.g., A, B), lowercase letters (e.g., a, b), numbers (e.g., 1, 2), and special symbols (e.g.,!, @). 2. A minimum length of 8 - 12 characters (longer…
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1. created the first animated feature film and invented radio broadcast…
To solve these, we analyze each clue to identify the country: ### 1. Created the first animated feature film and invented Radio Broadcasting - Clue: Animation (Disney) and radio (…
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9. our sun and polaris, the north star, are labeled in the h-r diagram …
### Similarities: - Both generate energy via nuclear fusion in their cores. - Both have spectral classes related to stellar temperatures (emit visible - range light). ### Differen…
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in the formula ( f = m cdot a ), m is : ○ a unit ○ a variable ○ velocit…
B. a variable
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multiple-choice question where are tropical rain forests found? all of …
A. All of the above (Incorrect, explanation above) B. Near the equator (Correct, as tropical rainforests are located near the equator due to the climate conditions there) C. Where…
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7. whatis not calkv3.on happens. 8. heat is transferred from the sun th…
B. radiation ### Question 9
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identify if the following is speed, velocity or acceleration. a car dri…
To solve this, we recall the definitions: - **Speed**: Magnitude of motion (no direction). - **Velocity**: Speed with a direction. - **Acceleration**: Change in velocity (speed, d…
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what are preliminary results? the final results of an experiment the ea…
the early results of an experiment
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architects, like the one shown here drawing a blueprint, use art in the…
B. utilitarian products.
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which of these is a controllable risk factor for disease? a. age b. pov…
C. Sexual behavior
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read the excerpt from chapter 2 of night. we tried to reason with her, …
"She is hallucinating because she is thirsty, poor woman... That's why she speaks of flames devouring her..." (Note: Since the original options didn't have this as a choice? Wait,…
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13. how do conduction, convection, and radiation compare and contrast?
- **Similarities**: All are heat - transfer methods (move thermal energy from high - to low - temp regions). - **Differences**: - Conduction: Direct particle contact, needs a medi…
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chapter 2 tools and measuring instruments name troy identify the parts …
s: A. Jaw Plates (Vise Jaws) B. Anvil C. Base (Mounting Base) D. Handle (Crank Handle)
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11) match the descriptions with the steps to starting and advertising a…
To solve this matching problem, we analyze each description and match it with the corresponding step: ### 1. “involves selecting a domain name and a web host” This is part of crea…
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captchas prevent the use of what in creating electronic contracts? ○ en…
robots or bots (the option with "robots or bots" text)
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the magnitude of the chips in ice cream. the chips represent the electr…
- First blank (in "Discovering the Nucleus"): Planetary (or Bohr - Rutherford) - Second and third blanks: gold foil - Left diagram (top): Positive charge (plum - pudding model's p…
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which examples are all true about acceleration? a car will have less ac…
- An elephant will have less acceleration than a cow - An empty bus will have more acceleration than a full bus - A soccer ball kicked with 5 newtons of force will have less accel…
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the picture below shows a bowling ball and a tennis ball. image of a bo…
The \(\boldsymbol{\text{bowling ball}}\) will require \(\boldsymbol{\text{more force}}\) to accelerate at \( 5 \, \text{m/s}^2 \) than the \(\boldsymbol{\text{tennis ball}}\).
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13. complete the sentence. a ______ provides direct access from one doc…
A. hyperlink
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the table below shows the force a student used to throw the different s…
B. The football would have less acceleration than the golf ball because it has more mass
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a baseball player throws a baseball twice. the first throw he used 15 n…
The first throw (using 15 N) will accelerate less because less force equals less acceleration.
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two people are pulling a cart with the same amount of force. which cart…
Cart A will have more acceleration because less mass (when force is constant, less mass equals more acceleration).
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which statements accurately describe mechanical waves? choose four corr…
- An ocean wave moving through water is an example of a mechanical wave. - A transverse wave is a type of mechanical wave. - Energy is transferred through vibrating particles. - A…
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the image shows flat sedimentary rock layers in the foreground and angl…
D. They were deposited horizontally and then shifted by a geologic event.
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21. why is it important to clamp a workpiece to a workbench or drill pr…
To ensure safety (prevent the workpiece from moving and causing injury, e.g., the drill bit catching and spinning the workpiece) and accuracy (drill the hole in the correct positi…
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which process could cause ice to form a thin layer over a lake? ○ freez…
A. freezing
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which sequence of processes transports water from the atmosphere to the…
C. precipitation ® evaporation ® condensation (assuming the third option is labeled C; if the original options had labels like A, B, C, D, the correct one is the third option with…
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which characteristic best distinguishes runoff and infiltration? ○ runo…
B. Runoff occurs over land and infiltration occurs underground.
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when were earth’s landmasses first recognizable as the continents we kn…
B. 135 million years ago (Note: Assuming the options are labeled A, B, C, D with A: 10 million years ago, B: 135 million years ago, C: 180 million years ago, D: 300 million years …
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which indicates how evidence of climate change supports the theory of c…
C. glacial evidence found in South Africa
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review the abstract and then answer the question. gravity and drag both…
to inform readers about an experiment
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which resource is a nonrenewable resource? ○ fresh water ○ maple trees …
D. precious metal
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how do erosion and deposition work together to create a moraine? waves …
C. Glaciers cause erosion as they melt, carrying sediment that gets deposited in a thick layer.
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chapter 2 tools and measuring instruments name 12. identify the parts o…
strap wrench (or other appropriate tool like a large adjustable wrench used with care, but strap wrench is the typical answer for this context) ### Question 14
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read the abstract and then answer the question. gravity and drag both r…
academics in the field of engineering
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name ______ date ______ period ______ digging deeper - \the bet\ - shap…
To solve this problem, we analyze the lawyer's activities and emotional states year - by - year based on the context of "The Bet" and psychological observation: ### Year 1 - **Act…
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a restaurant advertises that it is environmentally friendly. it describ…
C. produce, sunlight, wood
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the image shows cross - cutting relationships. b, w, e, and k represent…
Layers B, W, and E were deposited after fault Q occurred. (Wait, no, earlier analysis for option 3: Fault Q occurred before layer K was deposited. Wait, let's re - do the analysis…
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which feature is created by deposition from rivers? ○ rills ○ meanders …
C. alluvial fans
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objective describe oxyfuel cutting and identify related safe work pract…
Oxyfuel cutting uses oxygen and a fuel gas (e.g., acetylene). A preheating flame from the fuel - oxygen mix heats metal to its kindling temp. Then, a pure oxygen stream oxidizes (…
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in which layer of the earth does the motion of the convection currents …
A. mantle
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how did wegener explain why fossils of land animals were found on conti…
D. Continents were once one landmass and have drifted apart.
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environmental benefits of wind energy circle the correct answer. 1. win…
B. harvest the kinetic energy of the wind ### Question 2
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which statement describes one of wegener’s ideas that contributed to th…
B. The continents were once connected as one landmass.
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which formation is one feature of karst topography? ○ caves ○ kettles ○…
A. caves
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read the excerpt from act i, scene i of romeo and juliet. yet tell me n…
the extreme emotions that he is feeling.
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read the following excerpt about water availability to living organisms…
1 percent
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how do erosion and deposition work together to form sand dunes? waves c…
D. Erosion occurs through deflation, and sand that was picked up is deposited against an obstruction.
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what may occur when convergent boundaries interact? ○ formation of isla…
A. formation of island chains
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which statement best describes the theory of plate tectonics? plates so…
C. Sections of Earth’s continents are in slow, constant movement.
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which feature causes a gap in the geologic record? ○ extrusion ○ fault …
D. erosion
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question 20 1 pts the maximum tilt of the northern hemisphere toward th…
D. on the first day of summer
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which of the following best describes why we have seasons on earth? ○ t…
The tilt of Earth's axis causes different portions of the Earth to receive more or less direct sunlight at different times of year.
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explores what makes up the planet earth, how it supports life, within t…
A. The Earth’s natural elements and energy from the sun allow humans and animals to live successfully on Earth
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question 18 1 pts are we ever able to view the sun at our zenith in los…
F. No, we are too far north
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how did the northern renaissance contribute to the political developmen…
C. It reinforced ideas about the importance of the individual.
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7. why is it important to recognize the tone of an informational articl…
D. Tone indicates the writer’s feelings about the subject matter and may affect the reader’s attitude as well.
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question 17 1 pts the gradual wobble that changes the orientation of ea…
precession (or axial precession)
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question 16 1 pts on which of the following days will the sun appear on…
B. autumnal equinox
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romeo and juliet’s final fate in act v, scene iii of romeo and juliet r…
B. an unhappy ending
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based on this figure, in what constellation does the sun appear on july…
Cancer
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question 13 1 pts the apparent path of the sun through the constellatio…
ecliptic
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question 12 1 pts suppose an astrophotographer hands you a picture with…
6
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a seasonal wind that brings vast amounts of rainfall is a ____. ○ monso…
monsoon ### Question 2
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you live at a latitude of 43° n. what is the angle between the northern…
43 degrees (the option with "43 degrees")
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refer to the poems. which statement below best describes how shakespear…
Shakespeare transforms the idea of the renewal of time into the idea of the forward motion of time.
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reflection: sampling your computer science teacher asks you to sample a…
To sample the 4" x 6" black - white image: 1. **Sampling Method**: Use a grid - based pixelation. For a balanced approach, choose a pixel size of 0.5" x 0.5". - Number of pixels a…
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question 10 1 pts the angle between lines c and d in the diagram depend…
First blank: tilt Second blank: 23.5
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read the excerpt from act v, scene iii of romeo and juliet. capulet: as…
C. Hatred causes people to lose what they love.
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3. in ernest rutherford’s gold foil experiments, some alpha particles w…
Gold atoms consist mostly of empty space.
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the phase of the moon that occurs between the sun and earth new moon fu…
A. New Moon
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4. subatomic particles can usually pass unreflected through an atom bec…
C. empty space (assuming the option with "empty space" is labeled C; if the original labels differ, adjust to the correct identifier with the text "empty space")
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country x’s death rate has been decreasing over the past decade, but it…
Stage Five
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2 in the late 1800s, experiments using cathode ray tubes led to the dis…
C. electron