物理
运动学、受力分析、电学与方程推导。
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2. which general mechanism of homeostatic regulation always involves th…
Negative feedback
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complete the paragraph to explain why locations with lower latitudes te…
Lower latitude locations are closer to the equator. The sunlight reaching low - latitude locations is more intense than the sunlight reaching high - latitude locations. This happe…
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which would be the best thing to help air quality? carpool with others …
walk to work everyday
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the average intensity of sunlight that a location receives affects its …
The location where sunlight strikes Earth at close to a 90° angle.
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by - catch is a term for that part of the catch a. that is used to feed…
D. that was not actually being fished for
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select all the true statements. the equator has the highest latitude on…
- The latitude of the North Pole is 90° North. - The higher a location's latitude, the farther it is from the equator. - The latitude of the equator is 0°. - The latitude of the S…
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temperature, rainfall, and other atmospheric conditions vary from day t…
The statement "Panama City is warm year - round, with a rainy season from May to December and a dry season from January to April" describes a location's climate.
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select all the true statements. the north pole and the south pole have …
The North Pole and the South Pole have the highest latitudes on Earth. The latitude of the equator is 0°. The latitude of the North Pole is 90° N and the latitude of the South Pol…
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select all the true statements. the north pole and the south pole have …
The North Pole and the South Pole have the highest latitudes on Earth. The latitude of the equator is 0°. The latitude of the North Pole is 90°N. The latitude of the South Pole is…
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3. return the amplitude to 0.75 cm. then, spend a few minutes exploring…
Frequency is the number of wave cycles per unit time. An increase in frequency causes a decrease in wavelength and a decrease in frequency causes an increase in wavelength.
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6. this means that the relationship between amplitude and wavelength is…
6. c. not related 7. a. increases
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what were the major outcomes of the spanish - american war? select thre…
The United States was forced to fight against an insurrection in the Philippines; The United States gained status as a world leader; The United States gained the territories of Gu…
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prompt define trawling, and explain the ecological damage associated wi…
Trawling is a fishing practice in which a net is dragged through the water to catch fish. Ecological damage includes habitat destruction, bycatch, and disruption of the food web.
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read the passage from the raven and the first men: the beginnings of th…
encompassed physical and emotional needs
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question 9 6 pts for this graph, obj 1 is traveling select obj 2 is tra…
obj 1 está viajando hacia el origen, y obj 2 está viajando hacia el origen.
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question 8 for this graph, obj 1 is traveling select select obj 2. fast…
# Explicación: ## Paso 1: Recordar la relación velocidad - pendiente La velocidad en un gráfico de posición - tiempo está dada por la pendiente de la recta. ## Paso 2: Comparar pe…
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question 7 which of the following is not a property of displacement? di…
Displacement is equal to the total distance traveled by an object in motion.
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question 6 valeria gets into an elevator and travels 50 m straight up i…
10.9 m/s, -1.82 m/s
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question 5 what does the slope of a position versus time graph represen…
Velocidad
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question 4 a penguin starts at -5 m and moves 10 m left, 25 m right, 30…
El total desplazamiento del pingüino es -15 m. La posición final del pingüino es -20 m.
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activity c (continued from previous page) 4. in the gizmo, create a pos…
5A. 15 yards/second 5B. 15 yards/second 5C. 15 yards/second 6A. 2.5 yards/second 6B. 2.5 yards/second 6C. 2.5 yards/second 7A. Divide the total distance traveled by the total time…
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read the passage from amaterasu. darkness descended on the world. restl…
Without her sun, the world as they knew it would wither and fade, and a darkened, sinister world would take over
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the figure shows a position versus time graph for a portion of pierces …
Distancia = 12.5 metros; Desplazamiento = 5 metros
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question 2 if caden walks 9 m to the right over 2 s and then 2 m back t…
1.75 m/s
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10. how did the authors environment play a role in how she viewed herse…
The author's environment could have influenced her self - view and racial perception through social, cultural, and attitudinal factors. It might have either reinforced positive or…
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26. use mental math to find the missing number. 9.2 + n + 2.5 = 15.8 3.…
$n = 4.1$ Newton's change: $\$7.02$ Descartes' account balance: $\$339.91$ Cost for you and your friend: $\$19.50$ **Way 1**: 4 $10$ - bills, 1 $5$ - bill, 4 $1$ - bills, 3 quarte…
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activity c: distance and displacement get the gizmo ready • turn off sh…
1. The runner will run 20 yards in the first 2 seconds, with a velocity of 10 y/s. His direction will be from left to right. Then he will run 10 yards in the next 2 seconds, with …
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what is the main purpose of negative feedback mechanisms? to continue t…
to reverse the action of a process
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based on the cartoon, which of the following describes an effect of the…
It suppressed Native American culture by dividing tribal land into individual plots.
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7. to the right is a position - time graph of a runner. first, sketch w…
The velocity - time graph will be a horizontal line at $v = 9.5$ yards per second on the given velocity - time axes.
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narrative. this passage is adapted from ethan frome by edith wharton. a…
C. The confusion of a married man as he finds himself attracted to the housekeeper
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the quotation below is from a political figure during reconstruction. \…
# Breve explicación: Los Radicales Republicanos durante la Reconstrucción defendían políticas para ayudar a los esclavos liberados. Propusieron medidas para garantizarles derechos…
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question 7/11 what is the main theme of this passage? a the loving rela…
B. The difficult relationship between a man and his wife
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activity a (continued from previous page) 4. slope is the steepness of …
4. Without the actual position - time graph data, we can't fill in the table. But in general, for each time interval, the slope (velocity) $v=\frac{\text{Change in position}}{\tex…
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directions: complete the sentences below about stellar nebula theory us…
1. Proto - nebula (assuming we use the prefix with the general concept of nebula as the closest we can get from the given words) 2. Protoplanets 3. Gravity 4. Planetesimals 5. Roc…
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direct primary led to the passage of the seventeenth amendment to the c…
Across: 1. Prohibition 6. Progressive 7. Seventeenth Amendment 8. Muckraker 9. Impeachment 10. Ford Down: 1. Scientific management 2. Initiative 4. Referendum 5. Addams
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4. bioengineers & biomedical engineers develop statistical models or si…
True
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3. biomedical engineers focus on improving human health and life qualit…
True
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2. bioengineers work in agriculture and environmental solutions true fa…
A. True
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activity a: velocity - time graphs get the gizmo ready: • click the red…
The position - time graph for a runner with negative velocity (running to the left) has a negative slope, indicating that the position of the runner decreases as time progresses. …
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a student is investigating the motion of a coffee filter as it falls to…
B. Decreasing, Increasing
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two spheres, a and b, of identical size and surface material, but diffe…
B. $a_{0,A}=a_{0,B}$, $v_{T,A}\lt v_{T,B}$
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summarize it! drag and drop the words or phrases that accurately comple…
A(n) observation is made by scientists using their five senses. The five senses include touching, smelling, hearing, seeing, or tasting an object. A(n) inference is an explanation…
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summarize it! drag and drop the words or phrases that accurately comple…
A(n) observation is made by scientists using their five senses. The five senses include touching, smelling, hearing, seeing, or tasting an object. A(n) inference is an explanation…
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this is america charlie brown episode 2: the birth of the constitution …
1. Philadelphia, Pennsylvania 2. 12 3. Articles of Confederation 4. A form of government with a king or queen as the head 5. May 1787 6. True 7. Senate, House of Representatives 8…
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drag and drop the words or phrases that accurately complete the paragra…
1. an observation 2. five senses 3. an opinion 4. inference
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summarize it! drag and drop the words or phrases that accurately comple…
- Carefully studying an object using the senses or event is called making an observation. - Gathering information from their observations. Observations are based on facts, not opi…
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practice it! select the statement that describes an observation that ca…
The tomato plant has three tomatoes.
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practice it! drag and drop the words or phrases that accurately complet…
The scientific method; questions; hypothesis; results
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what does \pediatrician\ mean in these sentences? the pediatrician chec…
someone who gives medical care to kids
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which country on the map is located on the mountainous coast of the adr…
C.
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looking at the list of \traits of emotionally healthy people\, choose a…
The trait "Express feelings in healthy ways" is important because it helps prevent emotional build - up, aids in self - understanding, and improves communication with others.
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4. looking at the list of \traits of emotionally healthy people\, choos…
Accepting who they are is important because it builds self - esteem and enables healthy relationships and personal growth.
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“stalactites can be colored by different minerals,” added the professor…
Stalactites hang from the cave ceiling and can be colored by different minerals. Stalagmites form on the cave floor from falling water droplets.
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the universal gas law, pv = nrt, describes the relationship among the p…
$8.31$ L·kPa
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lets practice! (circle one) 1. the dog is soft (qu/qnt) 2. there were f…
1. QL 2. QNT 3. QNT 4. QL 5. QL 6. QNT 7. QNT 8. QL 9. The classroom is noisy. 10. There are 30 desks in the classroom.
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name this symbol toxic
Bio - hazard symbol
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select the correct answer from each drop - down menu. choose the correc…
First blank: collectible Second blank: (No correct option among the given ones makes perfect sense in a typical writing - context, but if we assume a forced choice, none of the gi…
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qualitative data are ______ in words of what is being observed. they ar…
1. QU 2. QNT 3. QNT 4. QU 7. QNT 8. QU 9. The classroom is noisy. 10. There are 20 desks in the classroom.
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black holes quiz which of these characteristics of a star make it most …
It is dying, Its mass is greater than 20 times the mass of the sun.
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black holes quiz what is the main challenge astronomers face when tryin…
Black holes trap all light
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black holes quiz where could scientists look to observe a black hole? (…
the center of the Milky Way
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black holes quiz which description best summarizes the steps that take …
A massive star depletes its nuclear fuel; gravity overpowers the star; supernova occurs; core of star collapses
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black holes quiz how do emission and reflection nebulae differ? (1 poin…
interactions with light
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the downy pillow covered his ears but did not mask the sound. sleep elu…
It provides a "single powerful spectacle" for the imagination's eye.
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they had laughed at the shabbiness of the hotel. \oh well,\ theyd said,…
It allows readers to approach a "forbidden door."
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read the excerpt from a short story. the sonoran desert route was his f…
It forces readers to "grapple" with their own mortality.
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the beach teemed with tourists from boardwalk to shore. a canopy of col…
It provides a "single powerful spectacle" for the imagination’s eye.
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which excerpt from \the adventure of the mysterious picture\ conveys th…
As I heard the wind moan among the trees, I caught a reflection of this accursed visage in the pane of glass, as though it were staring through the window at me.
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read the excerpt from \the adventure of the mysterious picture.\ how wa…
by revealing an unhinged psychological state
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review your class notes about nutrition. decide what you consider the m…
The fourth statement: Eating breakfast is the key to adolescent good health because it recharges energy levels, boosts brain function, and promotes healthy choices.
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why do you think suspenseful stories continue to be popular today? incl…
Suspenseful stories continue to be popular today for two main reasons. Firstly, they evoke strong emotions and create anticipation, hooking readers. Secondly, they provide an esca…
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which key elements most enhance the authors purpose of illustrating the…
The narrator's fantasy of becoming Supergirl, The cramped apartment setting and view of the alley
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i tried to persuade myself that this was chimerical; that my brain was …
Irving effectively uses tone to develop suspense. His word choice creates an other - worldly and unsettling atmosphere. The imagery of the storm and the persistent presence of the…
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in the statement given, reagan expresses the opinion that economic free…
"We are seeing the power of economic freedom spreading around the world."
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over 90 percent does. in the philippines, in the republic of korea, fre…
by explaining how the free market works
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which excerpt best shows how irving creates suspense through the quicke…
"I determined to shake off these vapors of the mind; rose from my chair, and walked about the room; snapped my fingers; rallied myself; laughed aloud. It was a forced laugh, and t…
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an engineer wants to create a scale drawing of a bridge that has a leng…
Scale: 1 cm = 200 ft.
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as you read a potential source for a compare - and - contrast paragraph…
its argument's claims, reasons, and evidence.
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in a compare - and - contrast essay, a strong argument must explain why…
provide support in the form of details and relevant facts.
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creating a timeline put the events in order so they form a timeline tha…
1. 1930: Pluto discovered by Clyde Tombaugh 2. 1978: Pluto's largest moon discovered 3. 1979: Pluto crossed Neptune's orbit 4. 2006: Pluto reclassified as a dwarf planet
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before einstein, everyone pretty much thought of space as a sort of bla…
People thought that space was unchanging.
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albert einstein didnt mean to turn the universe upside - down on everyo…
a few other related ideas
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albert einstein didnt mean to turn the universe upside - down on everyo…
Albert Einstein accidentally changed people's understanding of the universe with his ideas about gravity.
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however, in day - to - day experience, the strangeness of einsteins ide…
Einstein’s ideas about curving space help explain gaps in Newton’s laws.
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what was one reason why some americans disagreed with trumans decision …
They argued that the bombs killed tens of thousands of innocent Japanese civilians and destroyed their cities.
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read the excerpt from \a black hole is not a hole\ by carolyn cinami de…
Newton's laws of gravity were not perfect.
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which of the following newspaper headlines would best summarize the eve…
"Allied Forces Continue March Into France; Paris Will Be Liberated"
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select the sentence that best supports the idea that sonar helped scien…
By the 1920s, people were using sonar, a technology that measures how long a sound wave takes to bounce back from the ocean floor. Scientists discovered deep - sea trenches and mi…
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read the passage. then answer the question. mapping the ocean floor bef…
C. People could only measure water depth.
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which of the following newspaper headlines would best summarize the eve…
"Allied Forces Continue March Into France; Paris Will Be Liberated"
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what was one reason why some americans disagreed with trumans decision …
They argued that the bombs killed tens of thousands of innocent Japanese civilians and destroyed their cities.
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read the paragraph. i have been a nurse for twenty years. in that time,…
It shows the writer's credibility.
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when discussing the parts of an argument, reasoning refers to... descri…
a logical explanation that shows how and why the evidence supports the claim.
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which best defines the term empirical evidence? evidence based on exper…
evidence based on experience and observation
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an argument based on logic and reason rather than emotion and personal …
A. objective
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the graph models the decay of a sample of iodine - 125, where x is the …
50 grams
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the graph shows the path of light from a wall reflecting off mirrored c…
The ceiling is 10 feet high.
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2. repo. a fancy car (mass = 1500 kg) is connected via a chain to a tow…
a) The free - body diagram shows the weight $mg$ acting downwards, the normal force $N$ perpendicular to the slope and the tension $T$ along the slope. The tension in the chain is…
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worksheet 2.3: force vectors, part 2 $v = \\frac{d}{t}$ $a = \\frac{\\d…
a) The weight of the skier is 500 N and the normal force is approximately 463.6 N. b) The acceleration of the skier down the slope is approximately 3.746 m/s², and it remains the …