物理
运动学、受力分析、电学与方程推导。
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22. with respect to peer - to - peer network, there is an abundant amou…
False
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21. in a communication system, which among the following convert messag…
Sending and receiving devices
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20. the most common standard in lans is called ethernet. o true o false
True
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modeling real life in which city is the water temperature higher? portl…
Portland
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18. the ______ is the central node that coordinates the flow of data by…
C. switch
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which of the following is not an example of a moderate disturbance? sus…
Volcano
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51. for each number, underline the zeros that are significant and draw …
3 - **b. 312 000 s**:
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the substance that solidifies at the bottom of a flame cut resembles sl…
D. dross
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17. fiber - optic cable transmits data as pulses of light through tiny …
True
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16. wimax stands for ______. o wide - area access for maximum reach o w…
Worldwide Interoperability for Microwave Access
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flame cutting doesnt actually cut metal, it does what? burns it out scr…
1. A. burns it out 2. C. oxidizing flame
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14. remote users can connect to an organizations network through this t…
A. VPN
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12. a man is a network that is frequently used as links between office …
True
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24. where can you usually find a guide to aed pad placement? on the aed…
On the AED pads
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11. this device enables connectivity between two lans or a lan and a la…
Network gateway
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question 21 which of the following are criteria for selecting the corre…
Question 21: base metal composition, welding position, metal thickness, joint design Question 22: False
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9. organizations use the following to allow suppliers and others limite…
B. Extranets
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8. the client/server network strategy can handle very large networks ef…
True
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7. in a communication system, which among the following originate and a…
Sending and receiving devices
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6. every computer on the internet has a unique numeric address called a…
IP address
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question 19 an electrode with the classification e10024 can be used to …
Question 19: all positions Question 20: all of the above
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23. if the aed prompts o shock advised\, what should the rescuer do? o …
Check for a pulse
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a hierarchical network topology in which each device is connected to a …
A. tree
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4. in a peer - to - peer network, only the central host computer suppli…
False
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if a company recently diversified its workforce, they could expect incr…
A. team conflicts
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22. what is the first step to operate an aed? powering on the device at…
Powering on the device
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21. how many ventilations should be given per 15 compressions when perf…
A. 2
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question 17 the part of the electrode that is metal, is called what? fi…
electrode wire ### Question 18
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20. what is the correct duration for a rescue breath? o 5 seconds o 1 s…
1 second
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1. a network topology in which the central node is connected to two or …
Tree
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18. what compression technique should be used in multiple - rescuer inf…
Encircling hands
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question 15 2 pts what is the general rule for setting arc length? shou…
Question 15: should not exceed half the diameter of the core wire Question 16: Incorrect weld size, excessive reinforcement, incorrect weld profile, cracks
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17. approximately how many compression cycles should a rescuer perform …
D. 5 cycles
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16. approximately how long should rescuers do compressions before switc…
B. 2 minutes
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15. what must always be achieved to ensure high - quality adult cpr com…
Chest recoil
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3. lastly, think about the effects/hazards from your volcano in questio…
- Geosphere: Reshaping of landforms, creation of new rock formations due to lava - flows and ash deposition. - Hydrosphere: Heating of water bodies near the volcano, water contami…
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question 14 having too long of an arc length can cause which of the fol…
excessive spatter
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question 11 amperage settings for a 3/32\ electrode are lower than 1/8\…
Question 11: A. True Question 12: B. False
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question 9 which power source is considered to be the most versatile? c…
Question 9: D. inverter Question 10: D. the machine's rated output
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question 7 2 pts while amperage is set on the machine, what controls vo…
Question 7: arc length Question 8: DCEP
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reasoning the formula $k = \\frac{5}{9}(f - 32)+273.15$ converts temper…
a. \(F=\frac{9}{5}(K - 273.15)+32\) b. \(-457.96\) c. First, convert \(-78.5^{\circ}C\) to Kelvin: \(K=-78.5 + 273.15=194.65\)K. Since \(0.95\)K (freezing - point of helium) is le…
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question 5 2 pts sparks from welding or grinding can fly a distance of …
Question 5: A. 35 feet Question 6: C. constant current
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short answer read the following paragraph and decide which items should…
The cloudy and strong - odor urine, as well as the urine on the bed linens, should be reported to the nurse.
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when preparing to weld, what is the most important thing to look for? a…
1. A. adequate ventilation 2. C. material safety data sheet
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preventing acts of terrorism which of these statements describes how th…
All of the above statements apply.
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normal or sign/symptom 3. s painful urination 4. n bladder does not emp…
10. True 11. False 12. False
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10. nicotine, alcohol, and other drug usage effects which side(s) of ou…
D. All of the Above
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6. describe the urinary system and related conditions short answer 1. l…
1. Filtering waste from the blood 2. Regulating body fluid balance
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the unsustainable use of natural resources which occurs when harvesting…
A. Overexploitation
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laura sees a horse pulling a buggy. which statement best describes the …
The net forces exerted on the horse and cart are not the same, so they are not balanced forces.
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tobacco, alcohol, other drugs matching 1. sobriety 2. carcinogen 3. ove…
Matching: 1. d 2. h 3. a 4. e 5. i 6. j 7. c 8. g 9. b 10. f Multiple - choice: 1. D. Environmental Tobacco Smoke 2. C. Nicotine Substitute 3. A. Alcohol Poisoning
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laura sees a horse pulling a buggy. which statement best describes the …
The net forces exerted on the horse and cart are not the same, so they are not balanced forces.
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a 410 - n rightward force is applied to a 62 - kg object. there is 193 …
$3.5\ m/s^{2}$
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a ball has a mass of 140 g. what is the force needed to accelerate the …
A. 3.5 N
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10. this term refers to minerals that help maintain the bodys fluid bal…
D. Electrolytes
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short answer read the following paragraph and decide which items should…
The wheezing sound when breathing, the resident's statement that he needs to rest after turning over, and the onset of coughing should all be reported to the nurse.
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what is the mass of a crate if a force of 200 n causes it to accelerate…
A. 25 kg
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according to newtons first law of motion, when will an object at rest b…
B. when an unbalanced force acts upon it
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a force of 5 n accelerates an object. the objects mass is 50 g. what is…
D. $100\ m/s^{2}$
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4. this term refers to the extreme and harmful eating behaviors that ca…
4. C. Eating Disorder 5. A. Nutrients 6. C. Obesity 7. D. Body Mass Index 8. B. Fad Diets 9. A. Weight cycling
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rahul sits in a chair reading a book. which force is equal to the force…
Rahul's weight
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the exxon valdez oil spill the accident caused 11 million gallons of oi…
11 million gallons of oil
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use the drop - down menu to complete the paragraph. tungsten wire is us…
resistance
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luis and aisha conducted an experiment. they exerted different forces o…
C. Object 3
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the basic unit of electric current is the: ohm. ampere. conductivity. v…
ampere.
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normal or sign/symptom 5. —— decreased lung strength and capacity 6. ——…
14. A. Breathing 15. C. Not being able to breathe 16. B. Sitting upright 17. A. Being calm and supportive 18. A. Chronic obstructive pulmonary disease or COPD
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what is the meaning of the foreign expression in bold? the artists newe…
B. a display of great strength or skill
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two people push on the same door from opposite sides as shown. they wil…
one person exerts more force than the other so that the forces are unbalanced.
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which sequence lists types of materials in order from least conductive …
insulator → semiconductor → conductor → superconductor
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5. describe the respiratory system and related conditions true or false…
1. True 2. False 3. True 4. True
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sara read in a book that in 1800, the italian physicist alessandro volt…
electric current.
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how do newtons laws of motion explain why it is important to keep the i…
Smooth ice reduces the unbalanced forces that would slow the hockey puck.
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which factors affect the resistance of a material? select three options…
length, thickness, temperature
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according to newtons second law of motion, what is force equal to? acce…
B. mass times acceleration
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use the drop - down menu to complete the sentence. resistance is measur…
ohms
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22 which process is responsible for the tremendous energy released by t…
D. nuclear fusion
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which materials are good insulators? select three options. glass paper …
A. glass, B. paper, D. plastic
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what is the effect on an electric current when the voltage is increased…
increase
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20 what is the difference between nuclear fusion and nuclear fission?
Nuclear fusion is the combination of light atomic nuclei to release energy (e.g., hydrogen nuclei combine in the sun), often requiring extremely high temperatures and pressures. N…
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name: multiple choice 28. peripheral vascular disease is a condition in…
28. C. Blood circulation 29. D. Fatty deposits in blood vessels 30. Blue fingertips, swollen feet, complaint of being tired
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this question refers to this passage. the master said, \if the people b…
Order in society and government comes from the promotion of proper rituals and behavior.
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1. compare and contrast the three different volcanoes you examined in q…
1. Shield volcanoes and stratovolcanoes differ in tectonic location (hot - spots/divergent vs. convergent), eruption style (effusive vs. explosive), and associated hazards (lava f…
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which factors affect the flow of electric charge? select two options. v…
A. voltage D. resistance
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5a. considering just the maroon/dark red symbols, approximately how man…
a. Approximately 35 volcanoes are currently erupting. b. i. Lubumbashi, Africa ii. Erupting iii. Shield Volcano iv. [Sketch of a shield volcano provided in the image] v. It could …
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preparing to write an argument (continued) part 2 question: can the ed …
No specific answer can be given without more evidence to support either claim.
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in order for electric charge to flow, there must be a difference in: cu…
electric potential.
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this question refers to this passage. the master said, \if the people b…
Order in society and government comes from the promotion of proper rituals and behavior.
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which of these statements best explains the existence of continuous tra…
The financial incentives provided by trade goods outweighed divisions over religious beliefs.
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match each term with the correct definition. semiconductor insulator su…
semiconductor - a material that conducts electricity, but not as well as a conductor insulator - a material through which little electric current moves superconductor - a material…
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10 alpha particles contain a two protons and no electrons b two electro…
C. two protons and two neutrons
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modeling real life the formula k = c + 273.15 converts temperatures fro…
a. $473.15$ b. $K - 273.15$ c. $26.85$
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multiple - choice question 10. a __________ is made when the light hits…
A. shadow
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solve the formula for v. d = \\frac{m}{v} v = □
$V=\frac{m}{D}$
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describing the resistance of a conductor use the drop - down menu to co…
low
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hazel was excited to volunteer at the bike repair shop. she had always …
1. enchanted 2. absorb 3. intimidated 4. dedicate
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easily accessible freshwater for humans is found in surface waters and …
C. less than 1%
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water has several reservoirs on earth. a reservoir is where large quant…
Ice caps/glaciers
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the formula for force is given by $f = ma$ where $f$ is force, $m$ is m…
a) $65.7$ b) $m=\frac{F}{a}$
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when considering potential careers, who conducts the informal assessmen…
the person considering potential careers
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water has several reservoirs on earth. a reservoir is where large quant…
Ocean