物理
运动学、受力分析、电学与方程推导。
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shop saw safety quiz answer the following questions relating to the cho…
left hand/clamps ### Question 2
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complete the paragraph by selecting the correct answers from each drop-…
levy taxes
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complete the paragraph by selecting the correct answers from each drop-…
Primer dropdown: conduct foreign affairs
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burgess suggested that cities grow in patterns from the ______. a cente…
D. center moving outward
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how many countries are there the middle east? (accompanied by a map sho…
The number of countries in the Middle East (from the map) is approximately 15 (or 14-16, depending on interpretation). For the map shown, a careful count of labeled countries give…
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phosphorus cycle uplifting of rock phosphates in rock plants animals de…
To analyze the phosphorus cycle diagram, we identify the missing components based on the phosphorus cycle process: ### 1. Weathering (Top - left box, connected to “Rock” and “Prec…
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that to secure these rights, governments are instituted among men, deri…
the consent of the people
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what is the best description of the relationship between emerging scien…
B. Open - mindedness often leads to emerging scientific ideas
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9. check your class schedule and find your worst class transition (for …
The speed needed is \( \boldsymbol{1} \) meter per second (the distance value can be adjusted based on actual measurement, and the speed will change accordingly).
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asia | countries 1 ______ 10 ______ 19 ______ 28 ______ 38 ______ 2 ___…
To solve this Asia countries map quiz, we identify each numbered location: ### Key Country - Number Matches (Common Asia Countries): 1. **Turkey** (part of Asia) 2. **Syria** 3. *…
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john doesnt think that skepticism should play an important role in the …
It is incorrect because skepticism helps scientists recognize when ideas are not supported by evidence.
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which best describes an idea that has scientific consensus? ○ all scien…
D. Most, but not necessarily all, scientists agree with an idea.
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what is scientific consensus? ○ a new scientific idea that was confirme…
C. a general agreement among scientists about a scientific idea
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what is skepticism? ○ a new scientific idea ○ being interested in new o…
D. the understanding that knowledge in a particular area can be uncertain
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question 8 (1 point) which of the following is not a way to maintain he…
A. nap during the day if and when you're tired
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question 2 1 pts which of the following is the best definition of hegem…
C. The control of one group by another group through consent.
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question 3 (1 point) seth got a sleep study because he was snoring and …
central sleep apnea
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cash course | grades 6+ navigating auto insurance | worksheet matching …
c. Financial protection for damages you cause to another person’s car or property 2. **Question 2**
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a sleep medication is available as 0.1 milligram caplets. the patient i…
\(4\)
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by studying the suffix, the reader can determine that \impetuous\ most …
A. “having the quality of acting impulsive or with emotion.”
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cedar street pharmacy 123 city avenue, valley, n.j. • 899-555-3840 dr. …
Xerasinol is the best medication on the market today.
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cedar street pharmacy 123 city avenue, valley, nj • 890-555-3840 dr. ro…
Cholesterol levels may be affected by several factors.
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coulomb’s law, ( f = k \frac{qq}{r^2} ), relates the force ( f ) betwee…
D. \( k = \frac{Fr^{2}}{qQ} \)
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p1-1 good do now: 1. fill in the following table for a person walking a…
### Part 1: Person walking at 1 m/s # Explanation: The formula to calculate distance is \( \text{Distance} = \text{Speed} \times \text{Time} \). Here, speed is 1 m/s. ## Step 1: T…
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directions: answer the multiple-choice questions below. choose the best…
D) evaporation and transpiration ### Question 2
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24. the top of the plate where food is placed is called? options: food-…
C. Food - contact surface. (Assuming the options are labeled A, B, C, D with A: Food - danger zone, B: Food - contact surface, C: Food - temperature risk, D: Food - stacking area.…
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which of the following atypical thoracic vertebra has a single pair of …
The 10th thoracic vertebra (T10)
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15. which food was received in the temperature danger zone? milk at 38°…
Potato salad at 43°F (6°C)
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question 9 of 45 9 ready-to-eat tcs food must be marked with the date b…
48 (assuming the option with 48 is incorrect and the correct answer is 4, but based on the visible options and standard food safety, if the options are 0, 24, 36, 48, there might …
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the goffe health center we are your health authority \use it or lose it…
sixities learning a foreign language (the option: sixities learning a foreign language)
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7. a food handler uses two different cutting boards to chop raw beef an…
B. preventing cross - contamination.
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what is acceleration? (pp. 22–23) 1. what is acceleration? 2. accelerat…
Acceleration is the rate of change of an object's velocity with respect to time, involving changes in speed (increasing or decreasing) or direction. ### Question 2: Acceleration i…
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what is acceleration? (pp. 22–23) 1. what is acceleration? 2. accelerat…
Acceleration is the rate at which an object changes its velocity (it can involve increasing speed, decreasing speed, or changing direction). ### Question 2: Acceleration involves …
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the states that congress shall make no law respecting an establishment …
One example: The First Amendment is the most important to me. Because it protects fundamental freedoms like freedom of speech, religion, press, assembly, and petition, which are c…
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which two properties do these four objects have in common? metal bar sh…
A. shiny, D. hard
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which two properties do these four objects have in common? fish bowl gl…
transparent, smooth
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which two properties do these four objects have in common? chocolate mi…
sweet, sticky
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which two properties do these four objects have in common? images of pa…
flexible, smooth
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which two properties do these four objects have in common? sapphire bra…
shiny, hard
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which two properties do these three objects have in common? helium ball…
stretchy, flexible
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which two properties do these three objects have in common? stuffed dic…
A. soft B. fuzzy
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which two properties do these three objects have in common? wet bar of …
slippery, smooth
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which two properties do these three objects have in common? jam caramel…
sticky, sweet
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which two properties do these two objects have in common? image: melted…
A. flexible, B. soft
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which two properties do these two objects have in common? glass bottle …
smooth, fragile
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which two properties do these two objects have in common? sandpaper rub…
flexible, opaque
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which two properties do these two objects have in common? glass car bum…
smooth, hard
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11. a hot - air balloon including the envelope, gondola, burner fuel an…
The volume of the envelope must be approximately \(\boldsymbol{1154 \, \text{m}^3}\) (or \(\frac{450}{0.39} \approx 1153.85 \, \text{m}^3\)).
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which two properties do these two objects have in common? jello wet ice…
soft, translucent
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which two properties do these two objects have in common? jello wet ice…
soft, translucent
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which two properties do these two objects have in common? glass flask c…
smooth, fragile
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which two properties do these two objects have in common? balloon bubbl…
The two properties the balloon and bubble gum have in common are: - stretchy - flexible
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you have reached your daily practice limit. become a member for unlimit…
The two properties are "rough" and "flexible" (or "rough" and "opaque" - but based on the analysis, the best two are "rough" and "flexible" (or "rough" and "opaque"). However, if …
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you have reached your daily practice limit. become a member for unlimit…
The two properties they have in common are "rough" and "flexible".
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which two properties do these two objects have in common? image: water …
smooth, hard
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which two properties do these two objects have in common? balloon bubbl…
The two common properties are: - flexible - stretchy
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which two properties do these two objects have in common? jello wet ice…
The two properties the two objects (jello and wet ice cube) have in common are: - soft - translucent
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which two properties do these two objects have in common? ceramic mug g…
smooth, fragile
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which two properties do these two objects have in common? socks melted …
A. soft, B. stretchy
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which two properties do these two objects have in common? glass image c…
fragile, hard
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which property do these four objects have in common? belt pogo stick ba…
opaque
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which property do these four objects have in common? trombone silk tie …
smooth
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which property do these four objects have in common? images: honey, ici…
translucent
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which two properties do these two objects have in common? balloon image…
stretchy, flexible
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which two properties do these two objects have in common? balloon image…
A. stretchy, B. flexible
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3. icebergs are hazardous to shipping because so much of their volume i…
The percentage of the iceberg below the water level is approximately \( 89.7\% \) (or more precisely, using the exact fraction \( \frac{919}{1025}\times100\%\approx89.66\% \) whic…
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part c. comprehension & short response answer in 2-3 sentences. 1. why …
Non - verbal communication is as important as verbal communication because it conveys unspoken messages (like emotions and attitudes) and complements verbal communication to creat…
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what characterized the religious belief system of early romans? ● they …
B. They honored many gods and goddesses
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how did augustus establish governmental stability as romes first empero…
D. By creating a civil service to enforce Rome's laws
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20. hot air rises due to its difference in ______. (1 point) ○ mass ○ d…
B. density (assuming the options are labeled as A. mass, B. density, C. weight, D. composition)
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19. an air conditioner uses a compressor to raise the temperature and p…
B. the refrigerant (assuming the options are labeled as A: the inside air, B: the refrigerant, C: the outside air for clarity; the correct option is the one with "the refrigerant")
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18. what is the specific heat of water? ○ 4.18 j/g°c ○ 8.36 j/g°c ○ 1.0…
A. \(4.18\space J/g^{\circ}C\)
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4. the system has transfer function (10 pt.) g(s) = \frac{y(s)}{u(s)} =…
### Part (a) #### Explanation: For a second - order system, the maximum overshoot (OS) is given by the formula \(OS = e^{-\frac{\pi\zeta}{\sqrt{1 - \zeta^{2}}}}\), where \(\zeta\)…
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16. which describes the way a convection current moves? (1 point) ○ in …
in a loop
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15. which is measured using a calorimeter? (1 point) changes in kinetic…
D. changes in thermal energy
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14. which improves air circulation in forced - air heating? (1 point) ○…
convection (the option with "convection" as its text)
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13. which transfers heat from one object to another without transferrin…
B. conduction (assuming the options are labeled as A. thermal expansion, B. conduction, C. insulation; since the original options are listed as thermal expansion, conduction, insu…
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directions: neatly answer the homework questions in your composition no…
0.45 kilocalories #### 2. Convert 1200 BTUs to calories
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12. what occurs in a steam engine? ○ all heat is used for work ○ fuel i…
C. fuel is burned outside the engine (assuming the options are labeled A, B, C as per typical multiple - choice with the first option as A, second as B, third as C)
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11. what is an advantage of forced air heating? ○ it is energy efficien…
It cleans the air.
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10. which material is a good conductor of thermal energy? (1 point) ○ m…
A. metal
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23 a car of mass 1400 kg is travelling on a straight, horizontal road a…
C. 42 kW
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9. which explains why a sealed calorimeter is a closed system? (1 point…
Thermal energy is not transferred to the environment.
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8. what temperature is required to transfer waste heat to the environme…
D. $0\ \text{K}$ (assuming the options are labeled A: $0^{\circ}\text{C}$, B: $273\ \text{K}$, C: $212^{\circ}\text{F}$, D: $0\ \text{K}$)
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7. which type of heating system is often used to heat many buildings fr…
A. steam
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6. spontaneous changes always increase ______. (1 point) ○ disorder ○ w…
A. disorder
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5. which is a consequence of the third law of thermodynamics? (1 point)…
Heat engines are less than 100 percent efficient.
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during this era, what is the first step of the scientific process? ○ cr…
C. investigating an idea
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4. in the formula ( q = m \times c \times delta t ), which symbol repre…
c. \( c \)
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3. all objects ____ energy. ○ radiate ○ conduct ○ insulate ○ eliminate
A. radiate
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2. heat is the transfer of thermal energy because of a (an) ______ diff…
A. temperature
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1. which is not a characteristic of a heat pump? (1 point) it reverses …
B. It requires no work
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many of athena’s friends have begun experimenting with alcohol and ciga…
- having open and honest communications with her parents - seeing her parents model healthy behavior for her and her sister
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read the passage about dr. john snow. in 1849, doctor john snow began t…
C. Contaminated water caused cholera.
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read the statement from philip schaff. the reformation of the sixteenth…
D. because it began an era of progress (Note: Assuming the options are labeled A - D in order, the last option "because it began an era of progress" is the correct one.)
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read the statement from philip schaff. the reformation of the sixteenth…
D. because it began an era of progress (Note: Assuming the options are labeled A - D as is common, with the last option being D here. If the original options had different labels,…
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5 true or false 5 points a mixed vase design is another name for a doze…
False ### Question 6
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question 10 of 10 which of these practices does the most to keep wind a…
C. No - till farming
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question 9 of 10 which of these practices does the most to decrease the…
C. Drip irrigation
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question 6 of 10 which of these factors is associated with sustainable …
C. Food security