物理
运动学、受力分析、电学与方程推导。
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7 a 10.0 kg cannonball is fired from a 145 kg cannon with a force of 85…
850.0 N to the west
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which hormone is commonly released in the \fight or flight\ response? a…
1. A. Adrenaline 2. D. It releases endorphins
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the five themes of geography include______and______ a. human geography,…
B. region; human - environmental interaction
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6. newtons 3rd law states an object at rest remains at rest and an obje…
When one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object.
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what hormone, besides adrenaline, is associated with the stress respons…
- First question: B. Cortisol - Second question: A. Physical
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5. a 68.0 kg baseball player jumps into the air, and throws a 145 g bas…
0.064 m/s² west
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human geography is concerned with: a. all human interactions with one a…
A. all human interactions with one another and with the environment
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4. a 855 kg car pushes on the road with 5450 n of force. what is the ma…
C. \(5450\ N, 6.37\ m/s^{2}\)
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3. a jumbo jet cruises at a constant velocity when the total thrust of …
30,000 N in the opposite direction of the jet.
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since 1965, global use of fossil fuels and global co, emissions have in…
Over the past 50 years, both fossil fuel use and CO₂ emissions have increased. (Correct). Because CO₂ emissions are a main cause of climate change, people around the world are wor…
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2. if you push on a wall with 45 n, how much force does the wall apply …
45 N
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which phrases could you use to describe a location? check all that appl…
A. Latitude is \(86^{\circ}\) north, C. It is inside the Arctic Circle, D. The zip code is 99654.
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1. while swimming, an 83 kg swimmer pushes the water backwards with a f…
B. 37 N forward
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18. which feedback mechanism most likely explains the return to normal …
B. Sweating increases to release heat
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by definition, all maps are ______ because they ______ include all info…
B. biased; cannot
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here are some milestones in the development of technology that geograph…
1. Compass and astrolabe 2. Maps with scale 3. Internet 4. GIS
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renewable energy resources have many advantages. but there are also cha…
- **Advantages of renewable energy**: releases less \(CO_2\), not a major cause of climate change, does not run out when people use it. - **Challenges of renewable energy**: requi…
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10 a team of dogs is pulling a sled directly south. the dogs pull with …
4.1 m/s
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humans can get energy from resources other than fossil fuels. some of t…
Renewable energy resources release less carbon dioxide into the air than fossil fuels do.
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9 kelly is pushing a cart across the physics laboratory at her school. …
19.2 N
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look again at the graph showing global co₂ emissions between 1965 and 2…
16,000; 1990s
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which soil conservation measure provides government subsidies to farmer…
Conservation Reserve Program (CRP)
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how does contour plowing help in soil conservation? it leaves the soil …
It plows along the contour of the hill to reduce water runoff and erosion.
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under what type of light should the test area for trace metal detection…
Natural daylight
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what do we call it when trees and shrubs are planted in a line designed…
Wind breaks
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fossil fuels provide humans with energy that they need, but using fossi…
- B. Burning fossil fuels releases harmful pollutants into the air. - C. Carbon dioxide emissions from fossil fuels are a main cause of climate change.
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the free body diagram above shows the forces acting on an 84.1 kg objec…
1.51 m/s², 18.9° east of north
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what do we call a type of farming where a farmer harvests his crops but…
No-till farming
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what is a necessary tool investigators need to detect trace metal evide…
A flashlight
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what do we call the tillage (plowing) practice that follows the curve a…
contour tillage
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question 1 what is dependency theory? 1 pts a theory that focuses on ho…
all of these answers are correct
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7 chelsea is pulling a box of sporting equipment across a soccer field.…
0.725 m/s²
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question 2 what is a general property of ceramics? they have low meltin…
They are brittle.
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6. on the surface of mars, the acceleration of gravity is 3.711 m/s². t…
14,450 N
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5. two bowling balls, red and gray, are rolling with the same velocity.…
The gray bowling ball has more inertia than the red ball.
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economics vocabulary review instructions: read each definition carefull…
1. full - employment 2. seasonal unemployment 3. economic growth 4. trough 5. recession 6. unemployment rate 7. business cycle 8. peak 9. GDP (Gross Domestic Product) 10. real GDP…
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while the five ____ pertain to tools for studying, the five ____ pertai…
A. subfields; themes
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4 leslie has a miniature car powered by an air tank. the car weighs 3.4…
50.8 m
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regions can be designated by: a. anything that is important to study. b…
A. anything that is important to study.
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3 an asteroid has a mass of $8.55\times10^{6}$ kg. the asteroid crashes…
\(2.29\space m/s^{2}\) (There might be a small difference due to rounding in the problem - solving process. If we calculate \(\frac{1.90\times 10^{7}}{8.55\times 10^{6}}=\frac{190…
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____ helped the field of geography to expand far outside of mapmaking. …
D. Technology
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2 samuel is pushing a loaded shopping cart out to his car. he pushes wi…
42.4 kg
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4. what is neurogenesis? brainpower the science of brainpower and physi…
4. The process of developing new neurons 5. all of the above
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complete this quiz to finish the assignment for 2nd 9wks-7th period for…
When a metal object was used to commit a crime
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3. living free from pain is a key contribution of strength training spo…
functional fitness
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leroy is a tow truck driver. he is using a device called a winch to pul…
\(2.20\space m/s^{2}\) (the fourth option)
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2. functional fitness can help you avoid chicken pox. school. muscle ga…
depressive symptoms.
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the graph below shows a persons body temperature over time while expose…
A. The body uses negative feedback to bring temperature back to normal.
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1. what is the best way to give your body energy? functional fitness ba…
Functional fitness
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examine the free body diagram shown above. what is the net force on the…
70 N, \(36^{\circ}\) above the negative \(x\) - axis
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which was a part of the southern strategy? promise southern american of…
Overthrow patriot governments in southern states and replace them with loyalist governments.
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9 gary and clark are pulling a crate using ropes. gary pulls with a for…
196 N, \(8.8^{\circ}\) west of north
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question 2 5 pts why were american forces humiliatingly defeated in the…
Because of the inexperience and the fact the left flank of the American militia ran away from the battle.
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instructions: choose an answer and hit next. you will receive your scor…
Simple light microscope
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question 1 match the definition to the correct term. appeals to emotion…
- "appeals to emotions" → b. pathos - "establishes the speaker's credibility" → a. ethos - "uses logic and reason to convince an audience" → c. logos
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examine the free body diagram shown above. what is the net force on the…
70 N in the positive x - direction (the third option)
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which of these are considered favorable in a password? choose three ans…
Uppercase letters, Numbers, Symbols
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5 regina and her friend are pushing a broken car. the force of gravity …
60 N south
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4. shonda is driving down the road. the force of gravity is pulling her…
There is zero net force.
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3 helena and bryce are pushing a filing cabinet to a new location. the …
45 N north
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2 shonda is driving down the road. the force of gravity is pulling her …
The car is moving with constant velocity.
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what was the cultural impact of the plantation economy in the southern …
For the first question: d. The establishment of a rigid social hierarchy based on race For the second question: b. Wealthy planters at the top, followed by small yeoman farmers, a…
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9. what is a hypothesis? a conclusion based on analysis analysis based …
C. a proposed answer to a question
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28. a ball is launched with an initial velocity of 27.7 meters per seco…
\(\vec{v}_x = 27.0\space m/s,\vec{v}_y = 0\space m/s\) (the fourth option)
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8. what is the relationship between a manipulated variable and a respon…
The manipulated variable causes a change in the responding variable.
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7. the analysis of data leads to ____. hypotheses variables theories co…
conclusions
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6. what is a successful outcome for the scientific method? the chance t…
support for your hypothesis
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5. what is the most important safety rule to remember during lab activi…
Follow your teacher’s instructions and the textbook directions exactly.
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species that is at risk of going extinct the complete disappear - ance …
1. d. endangered 2. c. extinction 3. e. extirpation 4. a. mass extinction 5. b. sustainable living
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4. which term describes an observed pattern in nature without any attem…
scientific law
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6. why did groups like the knights of labor and the american federation…
To improve wages, hours, and working conditions for workers.
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3. why are scientific models important? they help scientists explain co…
They help scientists explain concepts that are difficult to observe.
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5. how did thomas edisons invention of the light bulb most change ameri…
It made factory work safer and allowed longer working hours.
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23 if a weight is launched with an initial velocity of 45.9 meters per …
8.56 s
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smart start preschool employees use mobile devices to sign in to networ…
Fingerprints
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2. which step of the scientific method involves obtaining information t…
making observations
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1. what is the difference between a scientific theory and a scientific …
A. A scientific law states a pattern found in nature and a scientific theory explains that pattern.
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22. kathleen is rowing her canoe northward with an average force of 19.…
4.7 N north
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21. patton launches a water balloon at a speed of 15.8 meters per secon…
\(\vec{v}_x = 14.8\ m/s,\vec{v}_y=-5.27\ m/s\) (the second option)
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which of these are mitigation techniques used to protect against comput…
Antimalware software, Windows Defender, Antivirus software
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21 patton launches a water balloon at a speed of 15.8 meters per second…
\(\overrightarrow{v_x}=14.8\ m/s,\overrightarrow{v_y}=-5.27\ m/s\) (the second option)
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match the authentication type with the authentication factor it represe…
Password - What you know; Fingerprint - Who you are; Smart card - What you have.
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12 multiple choice 5 points which presentation tool is especially popul…
A. Canva
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what material is drilled with a hammer drill? stainless steel cast iron…
concrete
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which type of data is transmitted by vga connectors? digital video digi…
Analog video
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10. which is the fundamental law of energy? energy of motion is potenti…
Energy can be transferred but cannot be destroyed.
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9. what are the defining characteristics of matter? mass and time mass …
mass and space
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8. how does the scientific process generally begin? with experiments wi…
with curiosity
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which data types are transmitted by displayport connectors? choose two …
Digital audio, Digital video
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7. which is not a \big idea\ involving force and motion? a force acting…
B. A force acting on an object in motion causes it to stop moving.
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multiple choice 5 points what feature do google slides and powerpoint b…
8. C. Real - time collaboration 9. B. False
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6 multiple choice 5 points which tool is best known for its zooming int…
6. D. Prezi 7. C. Powerpoint
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4. which is the goal of science? to develop new technology to apply inf…
to expand knowledge
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3. which is the goal of technology? to apply knowledge to make life eas…
to make life easier
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what are the purposes of the microsoft store? choose three answers. pur…
Purchase and install music, Purchase and install games, Purchase and install applications
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4 true or false 5 points powerpoint presentations and google slides all…
4. True 5. False
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1. which is a \big idea\ for space and time? the universe consists of m…
The universe is very big and very old.
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which of these are usb connector types? choose three answers. usb - c u…
USB - C, Micro - USB, USB - A
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how did asteroids form? continuous collisions of matter create planets …
small bits of matter collide together as gravity pulls the matter towards the Sun's core but it does not collide with larger bodies to become very large
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which peripherals are commonly connected to computers with usb connecto…
Mice, Tablets, Keyboards