物理
运动学、受力分析、电学与方程推导。
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discuss possible sources of error in the following measurement. then st…
Possible sources of error: Inaccurate counting, data collection errors. Believability of precision: Likely believable considering the context.
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(slide 23) what is energy? * the ability to power a car. the amount of …
The ability to do work.
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for each experiment below, specify the independent variable, dependent …
1. Independent variable: Mass of paper - clips added; Dependent variable: Distance the paper airplane flies; Control group: Paper airplanes without added paper - clips; Constants:…
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3. list the type of fire for the following classes of fires. a. class a…
A. Ordinary combustibles B. Flammable liquids C. Energized electrical equipment D. Combustible metals
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(slide 20) which of the following is a negative effect of materials tec…
Materials might react different over time.
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question 3 how might a significant slowdown of the gulf stream affect e…
Europe would cool due to reduced warm water flow.
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ordering 1 point sort the steps below into the correct order for taking…
1. Place the balance on a level surface and remove BOTH covers. 2. Zero the balance. 3. Place the object in the middle of the platform. 4. Wait for the display to stabilize and re…
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(slide 19) what is the purpose of materials technology? * move people f…
Test the physical attributes of an object to see how it can be used.
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what is the approximate length in millimeters of the tissue box (green)…
23 mm
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(slide 18) which of the following is a negative effect of construction …
Causes noise, accidents, traffic problems, and injury.
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multiple answer 1 point which of the following are reasons why a digita…
The object is on the edge of the balance platform. There is a fan blowing near the balance, causing air currents. The balance is resting on an inclined surface.
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question 25 (4 points) students in floridas 9th grade ela curriculum an…
D. understanding and ironic
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(slide 15) which of the following is a negative effect of environmental…
Recycling takes time and energy.
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how does relaxation impact your health? a it improves your mental healt…
D. It lowers your heart rate and blood pressure.
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(slide 13) what are the negative side - effects of some medical technol…
Slide 13: Can cause further problems. Slide 14: Create tools that help protect the environment.
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use the appropriate rounding rules to do the following calculation. exp…
157.1
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1. two perceptual skills used in driving are? o none of these o intuiti…
1. C. Sight and Hearing 2. A. hand - eye coordination 3. A. False 4. None of the provided options test auditory skills.
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(slide 12) what is the purpose of medical technology? * help doctors di…
A. Help doctors diagnose problems, C. Develop tools to treat disease
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(slide 12) what is the purpose of medical technology? * help doctors di…
C. Develop tools to treat disease
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what are the main forms of abuse? provide an example of each.
- Physical abuse: Hitting someone. - Verbal abuse: Constantly calling someone names. - Emotional abuse: Gaslighting (making someone doubt their own perception or sanity). - Sexual…
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brutus. he is not doubted.—a word, lucillus. how he received you let me…
"How he received you let me be resolved", "Thou hast described a hot friend cooling", "When love begins to sicken and decay/It useth an enforced ceremony"
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(slide 11) what is a negative effect of agricultural technology? * poll…
(Slide 11) A. Pollution (Slide 12) To improve health and treat diseases.
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brutus. he is not doubted.—a word, lucillius. how he received you let m…
C. The conflict between Cassius and others is becoming strained. D. Brutus says Cassius is pretending to be friendly.
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for the pair of measurements, state which one is more accurate and whic…
A. The scale at the health clinic is both more accurate and more precise.
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(slide 10) what is a negative result of using some medications? * impro…
Side effects can occur.
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which of the following can cause overloaded circuits? too many devices …
D. All of the above
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which item is a computer file most similar to? ○ hat ○ book ○ shoe ○ dog
book
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which step is the first step in creating a new file on a windows comput…
Press the right mouse button on an empty area of the desktop.
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multiple choice question when the gluteus medius contracts, it results …
medial rotation of the thigh
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which app do you use to create a new text document on a mac? numbers ca…
D. Pages
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using three or more complete sentences, describe the main characteristi…
Continental climates have large seasonal temperature differences, with hot summers and cold winters in inland locations. Precipitation is often moderate and may be season - concen…
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which of the following is an example of a quantitative observation? the…
The bird has a long wingspan.
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which type of memory stores your saved files? ○ spreadsheet memory ○ mo…
None of the above options are correct for storing saved files.
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which type of memory stores your saved files? ○ spreadsheet memory ○ mo…
None of the above options are correct. The most common type of memory for storing saved files is non - volatile storage like a hard drive or solid - state drive. But among the giv…
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which item is a folder on your computer most similar to? book bookshelf…
B. bookshelf
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which step is the first step to create a new folder on a computer? pres…
Press the right mouse button on the desktop.
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which of the following statements is true of the regions marked a and b…
B. They receive a lot of sunlight because the Sun's rays hit them directly
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2. a 250 - ml flask and stopper have a mass of 110.525 g. a 50.0 - ml s…
$0.7249$ g/mL
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explain the process of organizing data collected from an experiment bef…
The process involves checking for errors and outliers, grouping data, counting frequencies, and arranging in a table.
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what does the metaphor in this text suggest? gabby felt a roller coaste…
Gabby had varied feelings.
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the main, or central, idea of the passage is as noted by william baer, …
It establishes the modern - day relevance of maggot therapy.
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read the passage. maggots as medicine while serving in world war 1, sur…
As noted by William Baer, some severe wounds can be effectively treated with maggots, which consume dead tissue.
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learning with purpose convert the following provided dimensions as dire…
- 30° is $\frac{\pi}{6}$ radians - 140 ft is 42.672 m - 23.8 acres is 1036728 ft² - 54 yd³ is 1458 ft³ - 2600000 lbs is 1300 tons - 2600 kips is 11565.372 kN - 130 psi is 896.3188…
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select all that apply contraction of the gluteal muscles results in □ f…
B. extension of the thigh, D. rotation of the thigh
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question 4 of 20 how did the totalitarianism that arose after world war…
C. It allowed for much less individual freedom.
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date section postlaboratory assignment 1. ether floats on water, and wa…
$0.7249$ g/mL
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multiple choice question which of these is a long, thin muscle that cro…
Sartorius
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14 sep develop models draw arrows for all of the attractive and repulsi…
# Explicación: ## Paso 1: Fuerzas atractivas Dibujar flechas desde los electrones (cargas negativas) hacia los protones (cargas positivas) dentro del átomo para representar las fu…
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a. instructor demonstration - density • corn syrup • water • mineral oi…
L1: mineral oil, L2: corn syrup, S1: cork, S2: ice, S3: rubber stopper, S4: glass marble
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write your answers in your notebook. show all your work including formu…
1. $117.6\ m/s$ 2a. $9.8\ m/s^2$ (due to gravitational force) 2b. $14.7\ m/s$ 2c. $11.025\ m$ 3a. $9.8\ m/s^2$ 3b. $68.6\ m/s$ 3c. $240.1\ m$ 4a. $9.8\ m/s^2$ 4b. $64\ m/s$ 4c. $1…
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fireworks are shot by remote - control into the air from a pit that is …
The Roman candle will reach the maximum height of 91 ft in 2.5 seconds.
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which action is provided by contraction of the triceps brachii? o abduc…
Extension of the forearm
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fireworks are shot by remote control into the air from a pit that is 9 …
The equation is $s(t)=-16t^{2}+80t - 9$. The maximum height above ground level is 91 ft and it takes 2.5 seconds to reach that height. Without seeing the actual differences in the…
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compare and contrast the dry climate type with the tropical climate typ…
Dry climates have low precipitation and variable temperatures, often in rain - shadow or wind - distant areas. Tropical climates have high precipitation and consistent warmth near…
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image by kmf164 which of the following climate types is located between…
D. tropical
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1. complète le texte troué à laide de la banque de mots. aménagement · …
Un territoire dont l'aménagement permet l'exploitation et la commercialisation d'une ou plusieurs sources d'énergie se nomme un territoire énergétique. Plusieurs pays sont en état…
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how can a recreational flyer find information about the airspace in the…
1. Use an FAA LAANC UAS Service Supplier (USS) or B4UFLY 2. Through LAANC or Drone Zone. 3. Near airports, cities, and metropolitan areas. 4. 400ft.
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14. mrs. tong had an early breakfast. how long should you wait before t…
14. D. 15 to 30 minutes 15. B. diastole
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4. a rubber stopper has a mass of 7.452 g and displaces 6.0 ml of water…
1. Density of rubber stopper: $1.242\ g/mL$ 2. Density of unknown rectangular solid: $\approx8.90\ g/cm^{3}$ 3. Thickness of aluminum foil: $\approx0.0017\ cm$ 4. For question 5, …
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a baseball throwing machine throws a baseball straight up with an initi…
(a) $h(t)=-16t^{2}+160t + 45$ (b) The maximum height is 445 ft and it takes 5 seconds to reach that height.
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2. a soccer ball is kicked into the air. the following table of values …
$5.4$ m/s
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using three or more complete sentences, discuss the influence of the oc…
Oceans store and release heat, moderating climate. Warm - water currents heat the air. Winds transport heat and moisture, affecting precipitation. Ocean - wind interactions contri…
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a company wants to test the effectiveness of a new acne cream. the comp…
(a) C. The experimental units are the 500 girls ages 13 to 17 who have acne. The treatment is the new cream used to treat acne. (b) A. Only girls ages 13 through 17 were used. To …
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2. maria is monitoring the temperature of two substances in her science…
1
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a company wants to test the effectiveness of a new acne cream. the comp…
(a) C. The experimental units are the 500 girls ages 13 to 17 who have acne. The treatment is the new cream used to treat acne. (b) B. Only one non - placebo cream was studied. To…
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question 8 8 / 8 which is the best summary of the news story? a. cloudy…
D. People in some parts of the world watched a solar eclipse in 2015.
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the temperature in a city at 5:00 am was -4°c. by noon, the temperature…
3°C
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question 7 7 / 8 which question is not answered by the news story? a. h…
D. Where did people get protective glasses in 2015?
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the ideal body position for your legs after youve adjusted your seat is…
is slightly crooked when pressing the pedals
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what is the only situation where you can safely push a pedal with your …
if the car has a clutch
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question: a scientist is collecting soil samples from a depth of -75 3/…
63
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question 7 7 / 8 which question is not answered by the news story? a. h…
D. Where did people get protective glasses in 2015?
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for maximum comfort and safety, ideally how should a driver angle their…
C. a little backward, 100 or 110 degrees
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question 6 the news story says: the 2018 solar eclipse happened as the …
D. Weaker
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question 5 5 / 8 amelia wants to read more about the spring equinox. am…
D. In a science book
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question 4 4 / 8 the reader can tell from the news story that a. people…
D. Some people might travel for the chance to view a total solar eclipse.
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practice: a car drives around a curve with a radius of 50 meters at a v…
1. **For the car driving around a curve**: - **a) Imbalance?** - # Explanation: ## Step1: A car moving in a circular - path needs a centripetal force. Since the car is moving in a…
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earth and space science studies: space systems on march 20, 2015, part …
A. The eclipse seen over Europe was more beautiful than others ever seen.
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earth and space science studies: space systems question 1 what is this …
D. People around the world saw a solar eclipse in 2015.
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source: ivor noel hume, the virginia adventure. in 1609 francis west an…
A. A secondary source written by a scholar
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a company wants to test the effectiveness of a new acne cream. the comp…
(a) C. The experimental units are the 50 girls ages 13 to 17 who have acne. The treatment is the new cream used to treat acne. (b) A. Only girls ages 13 through 17 were used. To i…
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leah wants to open a file she uses every day. she sees an icon on her d…
D. a shortcut
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4. in knoxville, the temperature rises 4° from 4 p.m. to 5 p.m. then th…
a. $4+( - 7)$ b. -3 c. $-6+( - 2)$ d. -8
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the boat from the question above springs a leak and sinks completely. w…
D. The buoyant force on the boat is smaller because it doesn't displace as much water after it sinks.
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a company wants to test the effectiveness of a new acne cream. the comp…
C. The experimental units are the 500 girls ages 13 to 17 who have acne. The treatment is the new cream used to treat acne.
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what technology format could be used to generate fifteen random numbers…
B. RandInt(1,850,15)
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question 25 a welding inverter is less complex than the other tradition…
B. False
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a baseball throwing machine throws a baseball straight up with an initi…
(a) The equation is \(h(t)=-16t^{2}+160t + 45\) (b) The maximum height is 445 ft and it takes 5 seconds to reach that height.
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question 24 the transformer inside a welding power source converts high…
D. Low voltage, high amperage
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question 23 generator welders are not portable (independent of an elect…
B. False
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solve for m. mg = w m =
# Explicación: ## Paso 1: Despejar m Dividir ambos lados de la ecuación $mg = W$ por g. $m=\frac{W}{g}$ # Respuesta: $m=\frac{W}{g}$
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question 22 the stops and re - starts necessary with smaw electrodes in…
A. True
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a heavy rock is lying under water on the bottom of a swimming pool. whi…
B. The rock is easier to lift when it is under water than it would be on dry land because the buoyant force of the water pushing on the rock helps to push it upward.
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16. calculate the density of an object with a mass of 480g and a volume…
$6g/cm^{3}$
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what property is being shown when ice cubes float in the water? a) melt…
b) Density
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13. which of these will be affected by the pull of gravity? a) volume b…
d) weight
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12. which of the following is the si unit for weight? a) kilograms b) n…
B. Newtons
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11. what is the density of an object that has a mass of 4 grams and tak…
a) 4 g/mL
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always read the graduated cylinder - a) at the top of the meniscus c) a…
c) at the bottom of the meniscus
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9. water has a density of 1 g/ml. an object with a density of 2 g/ml wi…
b) sink