物理
運動學、受力分析、電學與方程推導。
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multiple choice question what is the second law of thermodynamics? the …
The transformation of energy from one form to another increases entropy
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finally, youre ready to solve this equation. the variable you need to k…
$T_2\approx251$
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problem 10 <hw 03 - attempt 1> determine the force in cables ab and ac …
Part A: $F_{AB}=222$ N Part B: $F_{AC}=240$ N
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multiple choice question what is the term used to describe the energy o…
C. Free energy
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multiple choice question which of the following is another way to state…
C. Entropy increases
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write 2-3 sentences explaining how the issue you investigated could pla…
The investigated issue, if it involves resource - related or environmental degradation aspects, can reduce the resources available for human survival and development. This reducti…
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class notes topic: earthquakes questions/main idea: what is an earthqua…
What is an earthquake? - The shaking of the ground caused by sudden energy release in Earth's crust. What is a focus? - The point within Earth where earthquake rupture starts. Wha…
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application v great work. the equation you selected shows the relations…
$250.83$ K
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why is it important to understand projectile motion? it is important to…
It is important to understand projectile motion because it allows us to break down a two - dimensional motion into horizontal and vertical components, making it easier to analyze …
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a rechargeable battery is plugged into a charger. the graph shows c(t),…
(a) $C^{\prime}(t)$ is the instantaneous rate of change of percentage of full capacity with respect to elapsed time in hours. (b) The graph of $C^{\prime}(t)$ starts at a relative…
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dante drew a diagram of an electric generator. which best describes dan…
There should be one brush on each slip ring.
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the picture shows a basic diagram of an electric motor. which labels be…
X: Armature Y: Brush Z: Commutator
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an electric generator converts kinetic energy into which kind of energy…
electrical
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this type of observation includes numbers.
Quantitative observation
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what coefficient should be used when writing 10490 in scientific notati…
1. \(1.049\) 2. Meter
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identifying direct current direct current is produced by an electric mo…
D. a battery
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match the term or part of the lab on the left to the correct descriptio…
1. Hydro - sphere 2. Condensation 3. Precipitation 4. Evaporation 5. Troposphere 6. Evaporation surface 7. Water - collecting area 8. Part of condensation environment
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in electric motors and electric generators, which part is responsible f…
B. brush
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12. determining the mass of an object three times gave the following re…
The mean mass is 9.2 g and the average deviation from the mean is approximately 0.07 g.
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distinguishing between electric motors and generators. use the drop - d…
The difference between an electric motor and an electric generator is that a motor converts electrical energy into kinetic energy, while a generator converts kinetic energy into e…
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test information description instructions timed test this test has a ti…
False
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what elements of composition does this photo follow? are there any elem…
1. Elements followed: Rule of thirds, strong focal point, depth creation. 2. Elements not followed: Symmetry, traditional leading lines. 3. Reason for being influential/successful…
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use the drop - down menus to complete the statement. in a generator, th…
First blank: armature Second blank: poles
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9. to which position would the nurse change the bed (from a flat positi…
A. Fowler
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which of the following filters are used in an air purifier? pre - filte…
Pre - filter, Carbon filter, HEPA filter
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if a rock is thrown upward on the planet mars with a velocity of 13 m/s…
(a) $5.56$ m/s (b) $13 - 3.72a$ m/s (c) $7.0$ s (d) $-13$ m/s
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which of the following amphetamine derivatives is more likely to cross …
The second option (methylamphetamine structure: with a benzene ring, a methyl - substituted carbon adjacent to the nitrogen, and a methyl - substituted nitrogen)
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a roast turkey is taken from an oven when its temperature has reached 1…
\(-1.0\)
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which of the following best explains the characteristics of a pollutant…
Harmful substances found in water, air, or soil.
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what is responsible for making an axle spin in an electric motor? o an …
an electric current passing through an armature that lies in a magnetic field
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question 49 points 1 which is not correct about non - biodegradable pol…
It can be decomposed by microorganisms.
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which of the following best completes the diagram? pregnant woman? chil…
Susceptible to risks of climate change
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4. a particle is acted upon by two forces of 12 n and 9 n, with an angl…
Approximately $8.5\ N$
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which devices use electromagnets? check all that apply. commutators cra…
- commutators - cranes - solenoids - generators - audio speakers - motors
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question 47 points 2 which of the following statements is true? rural a…
D. Urban areas and large metropolitan areas are warmer than the rural areas
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what causes heavy floods? desertification heavy rain heavy snow fall bu…
B. Heavy rain
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identifying cause and effect fill in the term that completes the statem…
electric current
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11. what is the density of an object with a mass of 1583 g and a volume…
$7.88\ g/cm^{3}$
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question 45 points 3 which of the following statements is/are true abou…
I. Flash flooding occurs when there is heavy rain in a short amount of time. - True II. Flash flooding occurs when there is less rain in a short amount of time. - False III. Flash…
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which metals are attracted to electromagnets? check all that apply. alu…
B. cobalt C. iron E. nickel
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3. a boy pulls a cart with a force of 6 n east, while another boy pulls…
$10\ N$
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click to correct any capitalization errors. since its completion in 197…
Since its completion in 1970, the Aswan High Dam across the Nile River has provided Egyptians with electricity as well as protection from floods and droughts.
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why was the battle of stalingrad a significant event in world war ii? t…
The battle stopped the Germans from advancing further east.
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question 42 points 1 a person in the united states generated ______ kg …
No information provided to determine the correct answer. Please provide the relevant data or correct answer among the options: A. 437, B. 357, C. 417, D. 387.
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question 40 points 1 which of the following refers to large ecological …
A. Biomes
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did d - day ultimately end german ambitions in europe? yes, german lead…
B. No, the Germans continued fighting and attempted offensive measures.
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lisa is working on a science project. her task is to answer the questio…
Hypothesis: "Rogooti will increase the speed of hair growth." Control group: Family members who do not use Rogooti. Independent variable: The use of Rogooti (used or not used). De…
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what is one of the consequences of rising sea levels due to climate cha…
Loss of coastal habitats
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119. a car has a mileage rating of 38 mi per gallon of gasoline. how ma…
768 miles
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describing the way electromagnets work use the drop - down menus to com…
Wire; metals; wire; magnetic domains; metal
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question 37 points 3 which of the following statements is/are incorrect…
I, II, and III
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fingerprints discovered on the knife found on the driveway could belong…
could belong to the victim and/or the attacker, but are probably an example of Locard's Exchange Principle
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summarizing what you have read read made - to - order magnets. keep the…
Electromagnets are useful in many situations because they can be turned on and off.
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born a slave, george washington carver was a great american scientist w…
C. Farmers plant different crops in a field over a period of time.
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how is limestone formed in the oceans? when fluoride ions in the river …
When calcium ions in the river reacts with dissolved carbon in water, it will form calcium carbonate, which on deposition on the ocean floor becomes a limestone.
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which of the following statement(s) is/are true? (i) heating of limesto…
Statements I, II, and III
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1. two forces of magnitudes 5 n and 8 n act on a body at an angle of 60…
$11.36$ N
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yellowstone national park, the oldest national park in the world, is ho…
D. a large, blue - ringed pool
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yellowstone national park, the oldest national park in the world, is ho…
B. because it erupts at regular intervals
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which of the following best completes the diagram? nonpoint source poin…
Nonpoint source
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passage comprehension 1 yellowstone national park, the oldest national …
A. a spring that shoots hot water into the air with explosive force
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key move: to solve a parallelogram law of vectors question, first draw …
1. Approximately $11.36$ N 2. $10$ units 3. $10$ N 4. Approximately $8.5$ N
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question 31 points 1 coliform bacteria are a common bacterial indicator…
A. water pollution
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photograph: migrant mother photographer: dorothea lange year taken: 193…
1. Elements of composition followed: Rule of thirds, leading lines, balance. 2. Elements not followed: Symmetry. 3. Why influential/successful: Emotional impact, historical signif…
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question 30 points 2 which of the following is used in the grounds to d…
Calcinated clay
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question 29 points 1 recycling of car batteries can help to ____ lead. …
B. recover
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the concept of overall health includes which of the following? emotions…
D. all of the above
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question 27 points 1 sonar is a type of __________. - active sensor pas…
A. active sensor
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question 25 points 3 which of the following substances cannot be broken…
Non - biodegradable waste
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question 24 points 3 which of the following is a characteristic of a no…
It takes millions of year to regenerate once it is used.
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7. a liquid has a volume of 3.70 l. what is its volume in ml? in cm³?
In mL: 3700 mL; In $cm^{3}$: 3700 $cm^{3}$
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question 23 points 1 animal dung is an example of _____________. - biom…
A. biomass energy
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why is it important to understand parallelogram method of vector additi…
The parallelogram and head - to - tail methods are visual and mathematical techniques to find the resultant of vector addition, applicable in real - life physics and engineering s…
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the passage below describes a process of scientific inquiry. select the…
Haley collected three identical balloons, some nails, three wooden boards, and a textbook. She then hammered one nail through the first board, nine nails in a grid measuring three…
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question 20 points 1 which of the following caused the depletion of the…
Introduction of Russian Gobies
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why is it important to understand parallelogram method of vector additi…
The parallelogram and head - to - tail methods are visual and mathematical techniques for determining the resultant of two or more vectors, applied in physics and engineering to a…
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14: inhabitants of which ghetto led a revolt against the nazis krakow t…
14: D. Warsaw 16: Death marches
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why is it important to understand parallelogram method of vector additi…
Magnitude of the resultant force is approximately $6.08N$ and its direction with respect to the $4N$ force is approximately $25.3^{\circ}$.
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use the drop - down menus to complete the statement. an electric genera…
First drop - down: kinetic Second drop - down: electrical
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various kinds of inappropriate social interactions with people and situ…
1. personality disorder 2. phobia 3. psychosis 4. schizophrenia
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the passage below describes a process of scientific inquiry. select the…
Owen's manager wanted to know if they were using more bleach than was needed to remove stains from the tablecloths.
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question # 9 multiple choice csi technicians and first responders are s…
They work under the same set of guidelines.
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question 12 points 1 the water trapped between rock or clay layers is c…
D. groundwater
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the abolition of slavery had what effect on the post - civil war south?…
Loss of forced labor created difficulties in rebuilding.
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what forced europeans to look for other routes east? land routes were c…
Land routes were closed off by Ottoman Turks.
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the passage below describes a process of scientific inquiry. select the…
They noticed that the rubber band stretched a lot, the plastic wrap stretched less, and the silicone mat stretched very little. Harry determined that rubber is more elastic than p…
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question # 6 multiple choice fingerprints found on the papers scattered…
C. could belong to either the criminal or the victim, but are an example of Locard's Exchange Principle
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11: list a few of the anti - jewish measures enacted after the invasion…
1. Forced wearing of the yellow star. 2. Confiscation of Jewish property. 3. Exclusion from public life (employment, education, cultural activities).
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use the drop - down menus to complete the statement. the brush, commuta…
The commutator reverses the flow of current in an electric motor.
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the passage below describes a process of scientific inquiry. select the…
He then predicted that lowering the pH of the soil by adding aluminum sulfate would improve the growth of his flowers.
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11. at the constitutional convention delegates were sharply divided ove…
11. B. Two houses of Congress: in one all states are represented equally, and in the other states are representation is determined by the population of the states 12. A. They boyc…
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22. how can michelangelos pieta be an example of individualism? (3) 23.…
**Question 22**: Michelangelo's Pietà is an example of individualism through its unique and detailed portrayal of the figures' emotions, departing from generic religious art. **Qu…
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a public relations writer received a promotion that came with a $7,000 …
The account will earn $3,780 in simple interest and $4,997.51 in compound interest. So the correct option is: The account will earn $3,780 in simple interest and $4,997.51 in comp…
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11. at the constitutional convention delegates were sharply divided ove…
11. B. Two houses of Congress: in one all states are represented equally, and in the other representation is determined by the population of the states. 12. A. They boycotted Brit…
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a primary care doctor is the first one you visit as an infant o true o …
True
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question #2 multiple choice securing the crime scene includes ___. the …
the law enforcement officer taking command of the scene and setting boundaries so that uninvolved persons cannot come on the scene, thus keeping both people and evidence safe
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pediatricians are primary care doctors typically seen by the elderly o …
False
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holocaust museum & cohen education center 2: what percentage of the pop…
2. 1% 4. Dachau 6. A series of coordinated attacks against Jews on November 9 - 10, 1938, where Nazi - sponsored mobs attacked Jewish homes, businesses, and synagogues. 8. Small a…
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pediatricians are primary care doctors typically seen by children. true…
True
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the passage below describes a process of scientific inquiry. select the…
Ann filled a large bowl with hot water. She then placed a metal spoon, a plastic spoon, and a wooden spoon into the bowl of water at the same time. After one minute, she used a th…