物理
運動學、受力分析、電學與方程推導。
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sean and his classmates are discussing natural resources in the communi…
# Breve explicación: Sean utiliza un lenguaje enérgico y interrumpe a los demás para hacer su punto, lo que muestra falta de respeto hacia los demás participantes en la discusión.…
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question 14 what are the two defining formalistic characteristics of re…
A. linear perspective and a return to realistic representation
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3. how may the rising temperatures impact the water cycle? type your an…
3. Rising temperatures increase evaporation, leading to more water vapor in the atmosphere, which can alter precipitation patterns and potentially cause more intense or less frequ…
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which statements accurately compare the tectonic activity of the planet…
The terrestrial planets experience quakes; the gas giants do not. Terrestrial planets experience (or experienced) tectonic activity; gas giants do (or did) not. Activity in the mo…
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if a glass is equal to 8 fl oz, which of the following is the number of…
2. 237 ml
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a frantic neighbor is knocking at your door. she says that she cannot w…
1. Response: Check scene for safety, try to wake woman, ask neighbor about medical history, call emergency services. 2. Interesting/confusing: Lack of knowledge about pills and me…
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sample response: planet a is an outer planet, and planet b is an inner …
Inner planets rotate slower. Outer planets rotate faster. Inner planets take more time to complete a rotation. Outer planets take less time to complete a rotation. Planet A is an …
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2. how can the actions of people affect evaporation and transpiration i…
Positive ways: Planting more trees and proper water management. Negative ways: Deforestation and pollution.
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the force and the objects mass are both doubled? express your answer wi…
Value: $34.0$ Units: $\frac{m}{s^2}$
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question select the correct answer. which of the following statements a…
Fats should fulfill no more than 20 to 30 percent of your daily calorie requirements.
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a constant force is applied to an object, causing the object to acceler…
Part A: Value: 17.0 Units: $m/s^{2}$ Part B: Value: 4.25 Units: $m/s^{2}$ Part C: Value: 8.50 Units: $m/s^{2}$
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planet distance from sun (km) a: 778,600,000 b: 4,495,100,000 c: 1,433,…
A. Jupiter B. Neptune C. Saturn D. Uranus
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convert 618 k to °c. 618 k = ? °c
$344.85$
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convert 355 °c to k.
$628.15$
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convert 106°c to kelvin. 106°c = ? k
$379.15$
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size of inner planets diameter (thousands km) 14 12 10 8 6 4 2 0 earth …
Mercury, Mars, Venus, Earth
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convert 112 degrees c to k.
$385.15$
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convert 33°f to celsius. 33°f = ? °c
$0.56^{\circ}C$
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convert -5°c to fahrenheit. -5°c = ? °f
$23$
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convert 110°f to celsius. 110°f = ? °c
$43.33$
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which is an outer planet?
The planet with rings (Saturn) is an outer planet.
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your friend in qatar tells you the average high temperature is 30 °c in…
$86$
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the average high temperature in boise, id is 63 °f in april. boise is t…
$17.22^{\circ}C$
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complete the paragraph to compare uranus and neptune. uranus and neptun…
1. Sun 2. methane 3. Neptune 4. outer
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correct according to the discussion in example 7 in section 5.3, the ma…
$0.73\ m/s$
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step 8 which patterns did you observe that would help you classify any …
Gases can, can Liquids can, cannot Solids cannot, cannot
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part i - lo 9, discuss the most current and effective methods of cancer…
A. PSA
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step 7 do the math how much did the volume of the samples change when y…
Volume change: $\Delta V = V_1 - V_2$ (where $V_1$ is initial volume and $V_2$ is final volume). Conclusion about shape: Air in the syringe takes the shape of the interior of the …
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step 7 do the math how much did the volume of the samples change when y…
Gases can change shape and can change volume. Liquids can change shape and cannot change volume. Solids cannot change shape and cannot change volume.
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on the same day that the second continental congress first met, patriot…
The Patriots captured the fort before the war began at Lexington and Concord. The fort was valuable because it had many cannons. The Patriots were led by Benedict Arnold and Ethan…
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part f - lo 6, describe cancer and how it develops, as well as its impa…
Cancer deaths have declined by more than 30 percent in the last 20 years.
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guided reading activity the articles of confederation directions: read …
1B. government 1B1. legislature 1B2. governor 1B3. bill of rights 2A. Articles of Confederation 2B. Congress 2C. taxes 3A. political 3B. debt 3C. British 3D. Mississippi River
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the techniques available for diagnosing cvd range from electrocardiogra…
D. angioplasty
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the articles of confederation directions: read the posted text to help …
1. legislature 2. governor 3. bill of rights II. A. Articles of Confederation B. Congress C. taxes 1. Land Ordinance of 1785 2. Northwest Ordinance of 1787 III. A. military B. deb…
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a nutrition label states that there are 36g of carbohydrates in each se…
300
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part d - lo 4. describe the modifiable and nonmodifiable risk factors f…
Avoiding food with LDL cholesterol, Quitting tobacco use, Exercising regularly, Eating more food low in saturated fat and trans fats, Maintaining a healthy weight
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land degradation is a major issue worldwide and poses a threat to the s…
A. over use of fertilizers
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part c - lo 3, review major types of cardiovascular disease, their symp…
A. stroke
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which of the following elements did you include in your outline? check …
All of the above elements (an introduction with a clear thesis that states my claim, a reason that supports my claim for each of the body paragraphs, evidential support for each r…
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writing workshop: argumentative essay evaluate your outline which of th…
It depends on the actual content of the outline. If all the elements were included, then all the check - boxes (an introduction with a clear thesis that states my claim, a reason …
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a snowflake gets blown sideways 5 ft for every 5 ft it falls downward. …
The total distance the snowflake travels is \(5\sqrt{2}\approx7.07\) ft and the direction is \(45^{\circ}\) from the vertical (sideways).
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part a - lo 1. discuss the social, physical, and economic burden of car…
not smoking, following a healthy diet pattern, getting the recommended amount of physical activity
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dave left the library and walked 0.7 kilometers to a coffee shop. he th…
$-0.2$
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part b a(n) __________ cancer is one that has spread to other areas of …
D. metastasized
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which of the following increases your risk of cancer? maintaining a hea…
D. being chronically stressed
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a man is standing on a platform that is connected to a pulley arrangeme…
$786.5$ N
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hermans coworker was celebrating their birthday. on his way to work, he…
$3.7$
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before the war broke out, patriots and loyalists argued their cases in …
The British army had more military resources than the colonies: Leonard Women contributed to the Patriot and Loyalist causes in many ways: Neither Over three - quarters of colonis…
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excited to visit his friend, hanson walked 0.2 kilometers to the train …
$1.2$
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craving a coffee before class, lacey drove 0.6 kilometers to a coffee s…
$1.5$
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reggie went to a music festival. he walked 0.4 miles through the festiv…
$-0.3$
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an astronaut on a planet with no atmosphere drops a feather into a 6.21…
Magnitude of free - fall acceleration: $4.35m/s^{2}$ Speed of the feather when it strikes the bottom: $7.35m/s$
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nanotechnology is proving ineffective at helping clean up pcb’s. please…
F
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question: a radioactive compound with mass 260 grams decays at a rate o…
\(C = 260(0.962)^8\) (second option)
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why is preventing pollution at its source the first strategy in minimiz…
A. It is easier and more effective to prevent pollution than to clean up and dispose of waste.
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question 4 of 5 one uniform sphere of matter has a radius of 0.50 m and…
$6.0\times 10^{-8}N$
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a student drops a feather from a height of 26.0m. determine all unknown…
How long did the feather remain in the air? 2.30 s What was the feather's speed just before striking the ground? 22.54 m/s
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which of the following is not being undertaken to reduce the risks to h…
A. only promote pesticide use in rural environments
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a rocket is launched in the air. its height in feet is given by h = -16…
4
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a student drops a feather from a height of 26.0m. determine all unknown…
How long did the feather remain in the air? 2.30 s What was the feather's speed just before striking the ground? 22.54 m/s
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a student drops a ball from a height of 38.0m. determine all unknowns a…
The ball remained in the air for approximately $2.79s$ and its speed just before striking the ground was approximately $27.3m/s$.
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question a tennis ball is dropped from a certain height. its height in …
$3.5$ seconds
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for exercises 9 and 10, use the formula h(t)=v_0t - 16t^2, where h(t) i…
$3.75$ seconds
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which of the following energy sources is associated with nitrogen emiss…
A. biomass
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how do scrubbers reduce the impact of coal use? a. scrubbers remove all…
C. Scrubbers remove sulfur from the smoke of coal power plants.
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which of the following energy sources does not require waste disposal? …
A. geothermal
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which of the following emissions is associated with burning coal? a. su…
D. all of the above
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which of the following energy producing technologies can be beneficial …
A. biomass
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which of the following is not a way that oil production could potential…
C. interruption of water flow
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how does nuclear energy use differ from geothermal and solar energy use…
C. Geothermal and solar energy are both renewable, while nuclear energy is not.
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energy production can cause soil contamination and impact agriculture. …
A. T
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how does the use of hydroelectric energy compare to the use of coal? a.…
B. Hydroelectric energy is associated with less waste production than coal.
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how can nuclear energy use potentially affect soil quality? a. nuclear …
C. Nuclear energy use can decrease soil quality through potential leaching of waste products into groundwater during the production process.
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the word garden is a noun that denotes a __________. animal tool place …
C. place
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scenario 7: temperature change in a cup of water a student recorded the…
The temperature of the water in the cup placed in the sun increases over time. This is evidenced by the upward - trending line on the graph where temperature is plotted against ti…
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6. suppose the astronaut from question #5 were to travel to a planet wh…
The acceleration due to gravity on the moon is $1.64\ m/s^{2}$. The weight of the astronaut on the new planet is $4.9\ N$.
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5. what is the weight of a 60 kg astronaut on earth? (show work w = m x…
1. Acceleration due to gravity on the moon: $1.64\ m/s^{2}$ 2. Weight of 60 - kg astronaut on Earth: $588\ N$ 3. Weight of the astronaut from question 5 on the new planet: $58.8\ …
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mass & weight practice w (weight) = m (mass) x g (acceleration due to g…
The weight of the astronaut on this planet is $58.8\ N$.
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after fierce colonial protest, parliament repealed, or canceled, the st…
1. All colonial merchants in a region agree not to import certain British goods. 2. British merchants' businesses are hurt because people in the colonies are not buying their good…
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5 select the correct answer which renewable resource could become a non…
A. water
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part 1: list 3 examples of distance, direction and reference point. dis…
1. Distance: 5 kilometers; Direction: North; Reference Point: The town center 2. Distance: 10 meters; Direction: East; Reference Point: The front door of a house 3. Distance: 200 …
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select the correct answer. which of the following statements explains t…
A. There is concern about the disposal of used nuclear fuel rods and the security of the plants themselves.
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which of the following describes a democracy? the government controls a…
Certain rights and freedoms are guaranteed to all citizens
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a student drops a ball from a height of 38.0m. determine all unknowns a…
The ball's speed just before striking the ground is approximately $27.3\ m/s$ (units: m/s). The ball remains in the air for approximately $2.79\ s$ (units: s).
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the concept of \magnetisme animal\ implied which of the following? a. m…
C. Every person has a raw, magnetic energy.
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a survey approximates the number of americans that are age 65 and older…
a. B. An exponential function was used because the data in the graph is increasing more and more rapidly b. $f(x)=3.500\times1.020^{x}$
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practice: summary chart refer back to your notes and complete the table…
See the completed table above.
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a student drops a ball from a height of 38.0m. determine all unknowns a…
How long did the ball remain in the air? $2.78\ s$ What was the ball's speed just before striking the ground? $27.24\ m/s$
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a student drops a ball from a height of 38.0m. determine all unknowns a…
How long did the ball remain in the air? 2.78 s What was the ball's speed just before striking the ground? 27.2 m/s
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use the equation below to find $p$, if $m = 65$ and $v = 3$. $p=mv$
$195$
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a student drops a ball off the top of building and records that the bal…
What was the ball's speed just before striking the ground? 30.086 m/s From what height was the ball dropped? 46.18201 m
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maria is teaching her grandmother how to send email. the email that her…
C. maria123@gmail.com
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scenario 5: you test different materials to see which one keeps ice fro…
Claim: [Material name] keeps ice from melting the longest. Evidence: According to the graph, ice in [material name] box stayed frozen for [X] hours, longer than other materials. R…
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11 the windmill spins due to the force of the wind. a large gust of win…
The increased wind force from the large gust of wind.
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samson is creating a website about a new computer science academy at hi…
D. Images of students working together on modern computers
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what is an email attachment? a. the wording that you type in the body o…
C. A separate file that you can send along with an email message
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4. measure and record the distance along the floor between the landing …
Follow the above steps to calculate the percent error between the predicted and actual distance the ball traveled. For question 6, sources of error could include measurement error…
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question 10 how does the storys setting in the wilderness affect the ch…
C. It presents the characters with a challenge and tests their resolve.
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multiple select question select all that apply choose all areas that ar…
Arm, Shoulder
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you are conducting an experiment. the following statement is your hypot…
C. The hypothesis is false, the average number of deformed frogs between polluted ponds and non - polluted ponds is almost the same.