物理
运动学、受力分析、电学与方程推导。
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1. what makes hfc refrigerants damaging to the environments? (3 points)…
They can have very high global warming potentials.
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based on the hr diagram, which statement is true about the sun and the …
Star Y is hotter than the Sun, but similar to the brightness of the Sun. Star Z is cooler and dimmer than the Sun.
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a bird has a kinetic energy of 3 j and a potential energy of 25 j. what…
D. 28 J, because mechanical energy is the sum of the potential energy and kinetic energy
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which two subatomic particles have roughly the same mass? * protons and…
Protons and Neutrons
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the neutron has what charge? * positive neutral negative the electron h…
The neutron has what charge? B. Neutral The electron has what charge? C. Negative
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the image shows a pendulum that is released from rest at point a. shari…
D. She could disagree with Shari because the pendulum converts gravitational potential energy into kinetic energy, then back into gravitational potential energy.
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a toy plane has a mass of 2.5 kg and is 18 m above the ground. it is mo…
466 J
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turn the following number into scientific notation * 0.000098 98x10^ - …
$9.8\times10^{-5}$
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the image shows a pendulum that is released from at point a. which pair…
C. A: Maximum gravitational potential energy, C: Maximum kinetic energy
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2. which advancement occurred in environmental issues? clean up of poll…
clean up of pollution
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what is the basis for analyzing an energy transfer diagram? the mechani…
The sum of all outputs must equal the input.
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how many significant figures are in the following number: * 4,000 1 2 3…
A. 1 ### 2. For adding 82.4+11.25:
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which equation shows the correct relationship between mechanical energy…
A. ME = KE + PE
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how many significant figures are in the following number: * 0.000000000…
1. A. 2 2. C. 4
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a blender takes in 180 j of electrical energy. of the 180 j, 90 j are t…
A. 30 J
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how many significant figures are in the following number: * 907.08 4 3 …
C. 5
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making a precise measurement, what is the volume of the liquid below * …
44.8 mL
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making a precise measurement, what is the volume of the liquid below * …
28 mL
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making a precise measurement, what is the length of the object below * …
13.5
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description hypothesis scientific theory scientific law often expressed…
Often expressed as an "if...then" statement: Hypothesis Usually only applicable to a particular experiment or model system: Hypothesis Considered universal (in effect everywhere, …
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porous materials such as gravel around the perimeter of a house may rep…
First question: it's hard to achieve the appropriate slope down away from a house with gravel Second question: six inches below the window
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which of the following is an example of a web browser? * 4 points googl…
1. A. Google Chrome 2. When you enter a URL, the browser first queries the DNS to get the IP address of the web - server. Then it establishes a connection with the server and send…
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the world wide web is: * the same as the internet the software for brow…
1. C. a collection of web pages and resources linked together 2. B. to store and send data to clients 3. B. it identifies a unique device on the internet
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using the data below, which student was the most precise with their mea…
Student B
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what are the implications of improper lot grading? difficulty in establ…
What are the implications of improper lot grading? - difficulty in establishing sod - foundation damage A guideline for the appropriate slope of a lot away from a house is - one i…
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what is the main role of a server in the internet? * - to display video…
1. to store and send data to clients 2. it identifies a unique device on the Internet
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packets are: * o large boxes shipped by mail o small pieces of data sen…
- Packets are: B. small pieces of data sent across the internet - What is malware?: C. harmful software - Which device is mainly responsible for connecting local networks to the i…
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answer these questions: 1 - what happens to ophelia? 2 - who is laertes…
1. Ophelia goes mad and drowns. 2. Laertes is Ophelia's brother and a nobleman. 3. That Hamlet is responsible for Polonius' death and Ophelia's madness. 4. His ship was attacked b…
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a nurse completes a postoperative assessment. which client data are obj…
1. Heart rate 90/min 2. Abdominal incision red 3. Capillary refill < 3 sec
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what does a dns server do? * stores files translates web addresses into…
1. translates web addresses into IP addresses 2. printer 3. securely transfer data
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which of the following is the test variable (independent variable)? typ…
type of mixture used
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with respect to the certification of aircraft, which is a class of airc…
A. Normal, utility, acrobatic, limited
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assignment compare poems now it is time to write about some of the poem…
No specific answer as the task is to write a response comparing two poems from the given list following the provided guidelines. One would need to choose two poems and write a wel…
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a clients prescription reads: instill 2 drops neomycin and polymxin b s…
2. Pull auricle upward and outward. 3. Place client in the left lateral position. 6. Explain procedure.
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10 fill in the blank 1 point increase filtration - exposure type your a…
10. decrease 11. To remove impurities, protect equipment, and improve output quality.
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the ______ is the unique address every website has on the internet. * 4…
1. IP address 2. virus 3. packets
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8 multiple choice 1 point what is total filtration? inherent filtration…
8. D. Added + Inherent filtration 9. decreases
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a nurse plans to perform an abdominal assessment on a client who report…
1. Ask client to void 2. Assist client to a supine position 3. Place pillow beneath client's knees 4. Instruct client to point to tender areas 5. Inspect 6. Auscultate
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sidewalks that are the property of the municipality do not have to be i…
(1) None of the above options are clearly correct based on common - knowledge without further context. But if we assume typical practices, sidewalks that are municipality - owned …
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determine the current, i, (in amps) given the following: v = 220 v ±2.2…
$0.265\pm3.5\%$
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6 multiple choice 1 point in a compound filter, how are the materials a…
6. lower atomic number, closer to the tube - higher atomic number closer to the patient 7. Wedge filter, Trough filter
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4 multiple choice 1 point which of the following are added filtration g…
4. Glass window 5. tube and housing
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use the word bank below. type answers exactly as they appear in the wor…
The physical parts of the internet, such as cables and servers, are known as hardware. HTTPS is a secure protocol used for transferring web pages.
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unit 1 foundations - chapter 3: federalism multiple choice questions 1.…
1. b. Compassionate Use Act 2. c. the federal government 3. a. federalism 4. b. the boundaries between national and state powers 5. c. national government 6. d. states 7. c. unita…
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the internet sends information in small units called ____. use the word…
packets DNS
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¿qué país es? es a.
Argentina
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at 2:00 pm the temperature is 13°f. at 10:00 pm the temperature is -3°f…
-18°F
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15 multiple choice 4 points what is the main form of precipitation in t…
C. snow
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multiple choice 1 point which of the following is the standard filter m…
2. B. aluminum 3. Glass envelope, Collimator, Dielectric oil
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calculate the following: (48.98 ± 4.11) km/h + (15.24 ± 4.44) km/h. rou…
$(64.22\pm8.55)$ km/h
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recently disturbed ground may mean all of the following except a recent…
(1) E. termite treatment (2) B. good draining soils such as clay should be used behind retaining walls
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what is the \big stick\ in the big stick policy? pay them lots of money…
Use military force when negotiations do not work.
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¿qué país es? es b
Bolivia
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a ratchet effect on a retaining wall is a repair method is another term…
A ratchet effect on a retaining wall: - is a mode of failure Most rot - resistant wood retaining wall: - railway ties impregnated with creosote
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¿qué país es? es p
Paraguay
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8. suppose that the level of carbon monoxide in a city’s air may be mod…
Approximately $0.0124$ parts per million per year.
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7 matching 4 points use the diagram of the nitrogen cycle below to matc…
Nitrogen fixation: I, F Nitrogen gas: A Nitrifying bacteria: C Nitrate: G
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the most expensive solution to wet basement problems is typically impro…
(1) D. excavating, dampproofing and adding new drainage tile (2) D. gutters built in to the roofline
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¿qué país es? es e______.
Es Ecuador.
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select two ways you can help people with long - term physical health co…
be a good listener and friend regularly volunteer at an assisted living home
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all of the following are common problems with window wells except the f…
(1) the floor of the well is 12 inches below the window (2) outlet pipes with 90 - degree elbows facing down
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6 multiple answer 4 points which of the following are considered greenh…
B. Nitrous oxide, C. Carbon dioxide, E. Methane
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place the steps of eutrophication in the correct order. 1 decomposing b…
2. Excess nutrients runoff into the water. 5. Algae and phytoplankton bloom due to excess nutrients. 4. Phytoplankton and algae die and start to decompose. 1. Decomposing bacteria…
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problem # 12 • a daring 510 n swimmer dives off a cliff with a running …
1.29 m/s
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the best discharge point for a downspout is o below grade into a storm …
The best discharge point for a downspout: above grade six feet from the house Common gutter materials (except): brass
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¿qué país es? es u
Es Uruguay.
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¿qué país es? es v
Venezuela
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¿qué país es? es c
Chile
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¿qué país es? es c
Colombia
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8) drag and drop the terms to their definitions. a period of little or …
a period of little or no rainfall - drought the process of changing from one element to another by emitting radiation - radioactive decay a severe lack of food - famine elements t…
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section 1 1. complete the spoke diagram. label each spoke with a phrase…
Section 1 - Question 1: Sketch and label based on northern geographical features (e.g., if it's a region with large forests, sketch trees in the oval and label a spoke "dense fore…
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express the number 68,000 in scientific notation. 68,000 = 6.8 (use sci…
$6.8\times10^{4}$
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rise of christianity quick check which answer choice summarizes how jes…
by communicating through word of mouth
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what does the shape of a particle affect? o buoyancy o density o drag o…
drag
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select the correct text in the passage. which sentence refers to the re…
He felt his head emerge; his eyes were blinded by the sunlight; his chest expanded convulsively, and with a supreme and crowning agony his lungs engulfed a great draught of air, w…
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what are two limitations of radiometric dating? dead organisms can reac…
Dead organisms can reach a point where there is too little radiation left to make an accurate measurement. An assumption is made regarding the amount of radioactive isotopes in th…
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what is used in combination with databases to identify the sample of in…
The Mass Spectrum
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a nurse should recognize which task cannot be delegated to the unlicens…
4. Apply oxygen via nasal cannula
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basándose en la temperatura de bulbo seco y la temperatura de bulbo húm…
# Explicación: ## Paso 1: Leer las temperaturas La temperatura del bulbo seco parece ser de aproximadamente 16°C y la temperatura del bulbo húmedo parece ser de aproximadamente 14…
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¿qué lugar tiene la humedad relativa más baja? 20 puntos location dry -…
# Explicación paso a paso: ## Paso 1: Calcular la diferencia entre las temperaturas de bulbo seco y húmedo Para ubicación A: $13 - 9=4$ Para ubicación B: $18 - 15 = 3$ Para ubicac…
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10 fill in the blank 2 points type your answer. succession is a type of…
secondary
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basement window wells should have drains unless abs plastic is used the…
(1) E. grading around the window well provides a slope of at least six inches in the first two feet moving away from the well (2) C. 6 feet apart
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¿cuál es la temperatura aproximada del punto de rocío si la temperatura…
1. C. $3^{\circ}C$ 2. A. $7^{\circ}C$
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which connective tissue wrapping separates individual muscle fibers? mu…
B. Endomysium
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equal masses of granite, iron, copper, and lead are placed in sunlight.…
# Explicación: ## Paso 1: Recordar la relación entre calor específico y calentamiento El material con menor calor específico se calienta más rápido para una misma masa y cantidad …
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the mongol empire who were the mongols?-- the mongols are one of the mo…
1. They were ruthless attackers who created fear worldwide. 2. They massacred a large number of inhabitants (100,000 - 1,000,000) during the invasion of Baghdad. 3. They destroyed…
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large oceans moderate the climatic temperatures of surrounding coastal …
1. D. slowly, due to water's high specific heat 2. B. change temperature at different rates
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question 15 the implications of trees or shrubs too close to a house in…
(Question 15) None of the above (as all the options are valid implications of trees/shrubs too close to a house) (Question 16) 1 in 50
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during which phase change will the greatest amount of energy be absorbe…
# Explicación: ## Paso 1: Comprender los cambios de fase Los cambios de fase consumen o liberan energía. La fusión es el cambio de sólido a líquido, la congelación es de líquido a…
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the neurotransmitter at the neuromuscular junction is multiple choice a…
A. Acetylcholine
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which of the following is responsible for the creation of the hawaiian …
C. A hot spot
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matching 9 points match the term with the correct description. tsunami …
Tsunami: A long sea wave caused by an earthquake at the bottom of the ocean Hotspot: An area of the mantle that is superheated Earthquake: A release of energy at a fault line
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the implications of trees or shrubs too close to a house include all of…
(1) None of the above (assuming all the listed options about trees/shrubs near a house are valid implications) (2) 1 in 50
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collection of a specimen from a client’s indwelling urinary catheter is…
3. Disconnects drainage tubing from the catheter.
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5 multiple choice 2 points which type of plate boundary interaction can…
A. Divergent
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which types of plate boundary interactions can create volcanoes? subduc…
A. Subduction, B. Divergent, C. Collision
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3 matching 8 points match the type of plate boundary with its example c…
Collision - Himalayas Divergent - Mid - Atlantic Ridge Subduction - Marianas Trench Transform - San Andreas Fault
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which type of plate boundary interaction only results in earthquakes? c…
C. Transform
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what were the analects? a collection of confucius teachings and sayings…
A. A collection of Confucius teachings and sayings. Through the studying of his teachings, Confucianism began to spread through Chinese society. C. One such move was dividing his …
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matching 8 points match the type of plate boundary with its description…
- Divergent - Plates are pulling apart from each other - Collision - Plates of a similar size push each other up - Transform - Two plates slide past each other - Subduction - A sm…