物理
运动学、受力分析、电学与方程推导。
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which of the following are true statements? choose 2 answers: a the tem…
B. The final temperature of the quartz will be equal to the final temperature of the water. C. Thermal energy is transferred from the quartz to the water until thermal equilibrium…
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the screen of a surveying device is 0.0026 m wide and is 0.1 m away fro…
The triangles on either side of the lens are similar because the angles are **vertical** angles, and both triangles are isosceles, so that the corresponding sides adjacent to thes…
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which best describes a possible negative impact of irrigation of farmla…
B. Increased runoff can pollute bodies of water.
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what would happen if there were no condensation stage in the water cycl…
A. Water could not convert from a gas to a liquid.
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correctly models how the temperatures of the two subsystems will change…
B. A graph where curve A (red) decreases in temperature over time approaching a stable value, and curve B (blue) increases in temperature over time approaching the same stable val…
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which process allows water to enter the atmosphere? evaporation condens…
A. evaporation
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specific heat capacity of water this problem requires multiple steps, c…
A. 1,421.2 J
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a set of copper pans what is the primary reason the larger pan takes lo…
B. It has the same specific heat capacity, but contains more atoms. More thermal energy is required to raise their average kinetic energy.
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a drop of mercury being pressed by a needle which of the following are …
A. The temperature of the mercury will decrease, and the temperature of the water will increase. C. The thermal energy lost by the mercury is gained by the water.
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a wooden bowl is at room temperature. a student pours some hot soup int…
- Before the hot soup is poured into the bowl, there is no net flow of thermal energy (between the bowl and the surroundings). - Just after the hot soup is poured into the bowl, t…
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question 15 1 point the client is prescribed flovent 250 mcg metered do…
25
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you are tasked with explaining the reasons for the seasons to a 5th gra…
Hey there! Let's clear up that season myth first: **Earth's distance from the Sun doesn't cause seasons**—we’re actually closest to the Sun in early January, which is winter for u…
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many years ago, farmers and land owners living in the tennessee and mis…
C. build new levees using materials that are better able to contain and absorb the flood waters
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discuss each of the following questions with your group; record your be…
1. Central cluster (protons): Each proton has a charge of $+1$; Outer ring particles (electrons): Each electron has a charge of $-1$ 2. Insulator 3. Ball 1: $-$, Ball 2: $-$, Ball…
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temperatures of the two subsystems will change over time? choose 1 answ…
B. [Graph where curve A (red) starts high, decreases to a stable level, and curve B (blue) starts low, increases to approach the same stable level as A over time]
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images a and b show how wind can change surface features. which conclus…
C. In image B, the lack of vegetation has caused erosion on the rock formation from the sand carried by the wind, but in image A the vegetation stopped the erosion from being a de…
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you are tasked with explaining the reasons for the seasons to a 5th gra…
Hey there! Let's clear up that myth first: Earth is actually *closest* to the Sun in early January, which is winter for us in the Northern Hemisphere! So being near or far from th…
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images a and b show how wind can change surface features. which conclus…
D. In image A, the vegetation helps hold the sand in place after it is carried by the wind making erosion a constructive force, but the sand is not held in place in image B where …
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which of the following graphs correctly models how the temperatures of …
A. The graph where curve A (starting at higher temperature) decreases and curve B (starting at lower temperature) increases, with both approaching the same final temperature witho…
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understand: thermal energy and equilibrium complete the statement. ther…
Thermal energy spontaneously transfers from a higher-temperature system to a lower-temperature system. The energy that transfers is called heat.
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barrier islands are areas of sand that are formed from the wave and tid…
C. After years of repetitive movement from the waves, a constructive force, such as deposition, occurred causing the sand to create a sandbar in the ocean and the shoreline to be …
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name: period: date: homework # 23 – conservation of momentum handout pr…
1. The velocity of the cart decreases, and its new velocity is given by $v_f = \frac{m v_i}{m + 10}$ where $m$ is the cart's original mass and $v_i$ is its initial velocity. 2. Ca…
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you refer to instagrams terms of use, or the rules for using a website …
Reporting Copyright Infringements
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8. consider a wave generator that produces 10 pulses per second. the sp…
The wavelength of the waves is \(\boldsymbol{30}\) centimeters. ### Part (b)
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healthy practices - are actions to promote - include: - maintaining a h…
To solve this fill - in - the - blank problem about healthy practices, we analyze each blank: ### 1. First blank (after “to promote”) Healthy practices are actions that are taken …
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determine the flow rate for the following iv being administered by infu…
100
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7. express in words and mathematically the relationship between a. peri…
- **In words**: Period is the reciprocal of frequency (or frequency is the reciprocal of period). - **Mathematically**: \( T=\frac{1}{f} \) (or \( f=\frac{1}{T} \)) ### Part b: Wa…
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robert is purchasing some packs of chicken from the supermarket. the fi…
The second pack (which weighs 3 pounds or 48 ounces) weighs more than the first pack (which weighs 45 ounces).
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name __________________ period _____ 1) define nuclear fusion 2) define…
1. Nuclear fusion is the process where two light atomic nuclei combine to form a heavier nucleus, releasing large energy. 2. Nuclear fission is the process where a heavy atomic nu…
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5. when does the south pole experience 24 hours of sunlight? click on t…
5. Southern Hemisphere Summer (Northern Hemisphere Winter, roughly December to February) 1. Northern Hemisphere Summer (roughly June to August) 2. Northern Hemisphere Winter (roug…
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which is an example of a surface feature caused by a constructive force…
B. water that deposits sediment along a riverbank, forming a delta
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what type of dependence results in withdrawal symptoms if use of the su…
1. Physiological dependence 2. Alcohol
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if more rain falls into a stream during a year than in previous years, …
B. Faster flowing water will erode more of the loose soil from the edges and bottom of the stream. The stream will appear to get wider and deeper over the year.
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an african elephant is passing through the highland region of kenya, wh…
A. 11 g
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show equations and constants what is the volume of the gas in the new c…
A. 282 mL
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alex observes sand dunes at a beach. the dunes are located a few hundre…
D. Storms will force ocean water farther along the beach, causing water damage to the area since the dunes no longer block the ocean’s tide. Wait, correction: Wait, re - evaluatin…
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part 4: practice now that you know these two types of radioactive decay…
1. **First Decay Chain:** - Fluorine-20 → alpha (α) → **Nitrogen-16** - Nitrogen-16 → beta (β) → **Oxygen-16** 2. **Second Decay Chain:** - Lithium-8 → beta (β) → **Beryllium-8** …
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which of the following changes will decrease the frequency of collision…
B. Lowering the temperature. D. Decreasing the number of gas particles. E. Increasing the container volume.
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what information is displayed on the capacity plate of an outboard powe…
The capacity plate of an outboard powerboat displays: 1. Maximum number of people the boat can safely carry 2. Maximum total weight capacity (including passengers, gear, and fuel)…
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container b : choose 1 answer:
A. The graph with two curves (solid and dashed) showing different peak positions and distributions of particle speed.
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which statement best explains how the delta at the mouth of this river …
B. Deposition is a constructive force that uses the flow of the water in the river to move sediment to the mouth of the river.
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9. ______how does the hydrosphere \sculpt\ earths land (the geosphere)?…
9. B. By slowly wearing away rocks and soil through erosion 10. C. It provides all living things with water to survive. 11. Earth's surface is roughly 71% covered by water (mostly…
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fill in the blanks: 2. waves carry _________________ from one place to …
energy ### Question 3
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fill in the blanks: 2. waves carry __________________ from one place to…
energy ### Question 3:
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ead the passage and look at the picture. the high atlas, a mountain ran…
moving toward
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read the passage and look at the picture. in iceland, parts of the mid …
divergent
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foods for infants | average age | developmental stage | examples from w…
| Average Age | Developmental Stage | Examples from Word Bank | |----------------------|-------------------------------------------------------------------------------------|-----…
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the queen charlotte fault marks a boundary between the pacific plate an…
transform
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Question was provided via image upload.
7. $\ce{^{40}_{19}K}$ 8. $\ce{^{230}_{90}Th}$ 9. $\ce{^{35}_{15}P}$ 10. $\ce{^{0}_{-1}e}$ 11. $\ce{^{234}_{90}Th}$ 12. $\ce{^{110}_{53}I}$ 13. $\ce{^{198}_{86}Rn} ightarrow \ce{^{…
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the taupo volcanic zone is located on new zealand’s north island. this …
convergent
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quiz question 1 of 6 drug addiction is a clinical diagnosis that ○ anyo…
A. anyone using substances can develop
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read the passage and look at the picture. the japan trench is a deep - …
convergent
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the aden ridge began to form millions of years ago as the somalian plat…
divergent
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read the passage and look at the picture. the sunda trench is a deep - …
convergent
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multiple choice 1. ______ what percentage of earths surface is covered …
1. C. 71% 2. D. Hydrosphere 3. D. 97% 4. C. In oceans and seas 5. A. 3% 6. C. In glaciers and underground 7. B. Gas 8. C. Invisible particles of water floating in the air
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1. the illustration below shows a series of transverse waves. label eac…
a. Crest b. Wavelength c. Amplitude (Crest - Equilibrium) d. Trough e. Amplitude (Trough - Equilibrium) f. Wavelength (Between Troughs) g. Equilibrium/Rest Position
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which is a longer length 10.5 mm or 0.105 dm they are the same length. …
They are the same length.
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puting systems student worksheet unit 4: home computing name: _________…
- Check the network icon (e.g., in taskbar/menu bar) for connection status. - Try loading a website (e.g., www.google.com) in a browser. - Use `ping` command (e.g., `ping google.c…
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millions of years ago, the eurasian plate and the african plate began t…
convergent
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Question was provided via image upload.
s: 11: Yemen 12: Oman 13: United Arab Emirates 14: Qatar 15: Bahrain 16: Iraq 17: Iran
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the peru - chile trench is a deep - sea trench that extends along the w…
convergent
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12. cpu stands for _______________. it is often called _______________ …
First blank: Central Processing Unit Second blank: the brain of the computer
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worksheet provides an opportunity to work with the word parts you have …
1. myopathy 2. polymyalgia 3. myonecrosis 4. fasciorrhaphy 5. myotomy 6. fasciodesis 7. cardiomyitis 8. fasciectomy 9. herniorrhaphy 10. sphincterotomy
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computing systems unit 1: computers, information processing and storage…
Application Software (or "Application software") ### Question 8
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this diagram is a model of earths layers. use the words below to label …
- Top left label (outermost thin layer): oceanic crust - Top right label (combined top two layers): lithosphere - Bottom left label (upper red layer): asthenosphere - Bottom right…
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the force of gravity can change the __________ and __________ of object…
B. speed, D. direction
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which statement describes the weight of a horse? weight is the total am…
C. Weight is the gravitational force of attraction between Earth and the horse
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the force of gravity pulls objects toward the __________ of mass, expla…
A. center
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nasa has recently sent several spacecraft, call rovers, to mars to expl…
The correct option is: Its weight is lower on Mars because the mass of Mars is smaller than Earth’s mass.
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question 11 what are the two factors that determine the force of gravit…
B. mass, D. distance
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which of the following elements does your outline include? check all th…
- an introduction with a clear thesis that states my claim - three clear reasons that support my claim for each of the three body paragraphs - evidential support for each reason i…
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how is gravity defined? a force that remains unexplained by scientific …
B. A force that attracts or pulls objects toward each other without direct contact
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while a field extends throughout space, it lessens with ______ until it…
A. distance
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what is not an example of a type of field? electric friction magnetic g…
B. friction
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fields ________. (choose all that apply) are always invisible can be me…
- are always invisible - can be measured - can have motion
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what is the definition of a field? when forces are at war (such as ligh…
The correct definition of a field (in the context of forces) is: When a force acts at a distance. The area in which the object experiences the force.
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click on each action that will reduce the rate at which the speed of th…
- Pull with less force - Add an apple to the basket - Roughen the surface on the table to increase friction
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because air resistance is the reason why objects fall at different spee…
B. a piece of paper crumpled into a ball
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match each term with the appropriate definition. mass newton’s second l…
- mass: the measure of the amount of substance in a sample - Newton’s second law of motion: statement that force is equal to mass times acceleration - Newton’s first law of motion…
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engineers work to design a race cars exterior to decrease air resistanc…
D. a stream - lined exterior frame
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to move a heavy object, a ______ force must be applied to overcome the …
A. greater
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friction is a force that occurs when one object rubs against another ob…
B. resistance to motion (assuming the options are labeled A, B, C with A: motion to increase, B: resistance to motion, C: motion to maintain)
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part three: each section in part three has its own website. 17. www.sta…
17. United States, Russia, Saudi Arabia 18. China 19. Australia 20. Mexico 21. Asia 22. ~8 billion 23. (Real-time value; example: ~100+ million tons, subject to the website's live…
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this diagram is a model of earths layers. use the words below to label …
- Outermost layer (top brown layer): crust - Second layer (red layer): mantle - Third layer (yellow layer): outer core - Innermost layer (center light yellow layer): inner core
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martin uses mp3 files often. he just learned this file type uses lossy …
C. They lose data and do not maintain their original size.
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emily, one of your team members, wants to add a sound clip to a web pag…
C. Embed the audio right into the web page where the text or activities are located.
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the top of the syringe is a circle. you need to compute its area for us…
The area of the circular top of the syringe is approximately \( 9.07 \) \( cm^{2} \).
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leo has been asked to use an audio format that will decompress back to …
D. FLAC
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question 3 (4 points) what are the two kinds of glaciers and how are th…
1. Alpine (Mountain) Glaciers 2. Continental (Ice Sheet) Glaciers The two glaciers are different in the following way(s): Alpine glaciers are found in mountainous areas, are small…
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finish breaking the sentence into three separate ideas. microplastic pr…
- Microplastic presents: a special challenge - That's because: microplastic; is not like: larger floating objects - Engineers can extract larger floating objects using: filters an…
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vocabulary matching name _______________________ period ____ 1) ______i…
1) D. Atoms of the same element that have different numbers of neutrons (giving them different masses). 2) C. During a fission reaction when free neutrons split nuclei, more neutr…
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that float on the oceans surface. her goal was more challenging. it was…
microplastic
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what might make annas goal more challenging? microplastic is difficult …
A. Microplastic is difficult to see.
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select all of the following descriptions which describe the meaning of …
Actions focusing on preventing injury or death, Actions slowing the progression of a disease or its impacts, Actions taken to stop the development of a disease
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1.8 examine:earths early history due on 01.28.2026 10 total points 1 to…
They have been preserved in space with little geological change
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part two: access the following website and answer the questions below. …
9. a. The natural resource is crude oil (petroleum), which forms the core of these nations' economies. b. No, they are not the only countries. 5 other countries: United States, Ru…
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try: the chs baseball team was on the field and the batter popped the b…
5
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1.8 examine:earth’s early history due on 01.28.2026 10 total points 1 t…
They formed during the same period in solar system history
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9. are there countries that rely completely on one or two natural resou…
11. 5 countries where coal is a significant economic natural resource: - United States - China - India - Australia - Indonesia 12. 5 countries where limestone is a significant eco…
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current attempt in progress a coil of wire has a resistance of 47.6 ω a…
The temperature coefficient of resistivity is approximately \(-1.23\times 10^{-3}\,^\circ\text{C}^{-1}\) (or \(-0.00123\,^\circ\text{C}^{-1}\)). The units are \(^\circ\text{C}^{-1…