物理
運動學、受力分析、電學與方程推導。
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friends!!!!! lets show our friends how much we like them - create an ar…
### Code for Friends Task: ```javascript // Create friends array with 5+ names const friends = ["Rachel", "Monica", "Phoebe", "Joey", "Chandler"]; // Iterate and add "!!!" to each…
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ball a is 8 kg and 2 m high being launched at 4m/s. ball b is 4 kg and …
1. Ball B will hit the ground first 2. Ball A will travel the furthest from the edge of the table 3. Both balls have a downward acceleration of $9.8\ \text{m/s}^2$ (no horizontal …
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if you were to find the area under a velocity - time graph, which of th…
a. displacement
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a cardiologist is interested in the mean recovery period of her patient…
B. The variable is the time it takes to recover from a heart attack.
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question 7 (1 point) which graph(s) represents a constant velocity? a) …
d) a and b
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a cardiologist is interested in the mean recovery period of her patient…
B. The statistic is the average recovery period for a group of the cardiologist's patients who have had a heart attack.
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multiple choice 1 point what role does human consumption (how people us…
Human consumption is an important factor in the health of the local watershed due to the use of drinking water, irrigation, transportation, industry and recreation.
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compute vectors for horizontal velocity on each black dot on the projec…
At every green dot on the projectile's path, draw a vector of the same length pointing directly to the left, representing constant horizontal velocity (no air resistance).
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question 6 (1 point) the graph represents the relationship between velo…
C. The object moves with a constant velocity
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the displacement is always equal to the distance traveled. the displace…
The displacement is either less than or equal to the distance traveled. ### Question 2 (average velocity and instantaneous velocity)
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2d motion pba - mu could represent horizontal acceleration
A. (The circle with a rightward horizontal arrow)
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motion pba - mu vertical motion of a projectile can be described as acc…
First blank (acceleration): negative Second blank (velocity): changing by -10 m/s every second
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multiple choice 1 point why is it important for land to be classified a…
It is important because scientists need a way to track water and the direction it flows for many reasons such as pollution and flood potential.
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les coussins gonflables des voitures sont conçus pour se déployer entiè…
L'accélération de la paroi du sac gonflable est \( \boldsymbol{200\ \text{m/s}^2} \) (ou environ \( 20\ g \), car \( g \approx 9.8\ \text{m/s}^2 \), mais la question demande l'acc…
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question 4 (1 point) which of the following describes a vector quantity…
Question 4: d. A car drives 60 km north Question 5: a. displacement
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question 1 (1 point) suppose that an object travels from one point in s…
The displacement is either less than or equal to the distance traveled.
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question 2 (1 point) when is the average velocity of an object equal to…
Question 2: only when the velocity is constant Question 3: The acceleration must be equal to zero.
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the process by which the scientific community examines a paper before i…
peer review
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question 1 (1 point) suppose that an object travels from one point in s…
The displacement is either less than or equal to the distance traveled.
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the parameter the parameter is the average recovery period for a group …
D. The parameter is the average recovery period for all of the cardiologist's patients who have had a heart attack.
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vector addition quiz l - mu a lightning bug flies at a velocity of 0.50…
0.25 m/s east
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vector addition quiz l - mu you get on a moving sidewalk which is movin…
8 m/s to the north
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all living and nonliving things with which organisms interact natural r…
environment
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vector addition quiz l - mu if an airplane is flying 100 mph south but …
105.9 mph, SW
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a yellow isolation gown is sufficient when manipulating a hazardous dru…
False
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how do staff determine the appropriate ppe to wear and precautions to b…
- Hazardous drug sticker - The facility's Hazardous Drug Formulary in Hospital Documents
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vector addition quiz l - mu for the winter, a duck flies 15.0 m/s due s…
12.5 m/s south
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jim has ab+ blood. what type(s) of blood can he receive in a transfusio…
AB+, O+, O-, A+, B+, AB-, B-, A- (all the options are correct as AB+ is a universal recipient and can receive blood from any blood type)
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which of the following is not an example of a natural resource? soil co…
There is an ambiguity as all the given options (soil, coal, sunlight, oil) are natural resources. However, if we assume a possible error in the question and follow a mis - underst…
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which of the following characteristics make a drug hazardous? select al…
- Carcinogenicity - Genotoxicity - Teratogenicity - Organ toxicity
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use the graph of population growth in a large city shown to the right. …
exponential ### Part b
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how many niosh hazardous drug groups exist? three two one
Three
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why is it important to know how to handle hazardous drugs? - the dnv wi…
Improper handling of hazardous drugs can cause medical and/or reproductive complications to me and my colleagues
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john is type o-. he is donating blood today and wants to know what bloo…
AB - , AB+, O -, A -, A+, B+, O+, B -
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given the following blood typing results (where the small red blocks in…
AB- (from the options: AB- )
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given the following blood typing results (where the small red blocks in…
O+
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cess by which the scientific community examines a pa its publication is…
(Assuming the green option is labeled as, for example, C. peer review) C. peer review
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children and adults can be poisoned by swallowing, breathing or absorbi…
1. 50 2. False
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une voiture traverse une région boisée à la vitesse de 40 km/h. soudain…
La distance de freinage est d'environ \( 16.24 \, \text{m} \), qui est inférieure à \( 20 \, \text{m} \). Donc, la voiture s'immobilisera avant de toucher le cerf.
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11. how did president john kennedy react to installation of nuclear - t…
He set up a naval quarantine of Cuba and demanded removal of missiles by the USSR.
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22. how do infants form attachments to their caregivers? a. attachment:…
### Question 22 a. Attachment: An emotional bond formed via consistent, responsive caregiver care, acting as a secure base for infants to explore their environment. b. Separation …
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first & last name: date: physics 9 | unit 4 lesson 56 | uniform circula…
When an object is released from uniform circular motion, it will travel in a straight - line path that is tangent to the circular path at the point of release. This occurs because…
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in δtuv, t = 670 cm, u = 510 cm and ∠v = 159°. find the length of v, to…
\(1160\)
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mak swallow screen was documented prior to po medications? false true i…
True
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gianna builds a scale model of a cathedral. a triangular wall of the fr…
A. 6 square inches
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quiz question 7 you are approached by a nurse manager at the hospital, …
No (the option: No)
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8. a person needs to brush their teeth and tongue for this many minutes…
8. b) 2 minutes 9. b) False 10. b) False 11. a) Garlic, c) Onion 12. a) True
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thomas roule en voiture à 72 km/h. il aperçoit soudain un raton laveur …
L'accélération minimale (en réalité une décélération) est de \( \boldsymbol{0.8 \, \text{m/s}^2} \) (la valeur négative indique que c'est une décélération, mais la question demand…
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at the bus station in durham, north carolina, 1940 what did the federal…
Passed civil rights legislation banning segregation in public places
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5. a 2 n force acts on a 10 kg mass. if the momentum of the mass change…
The time over which the force acts is \(60\) seconds.
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magnetism to electricity 13. _____________ effects can be produced usin…
Electrical effects can be produced using a generator. (So first blank: Electrical, second blank: generator)
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11. a medicine contains 0.08% of an active ingredient by mass. if the t…
$0.2$ g
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4. a force of 186 n acts on a 7.3 kg bowling ball for 0.4 s. (a) what i…
s: (a) The impulse on the bowling ball is \(\boldsymbol{74.4\space N\cdot s}\) (or \(\boldsymbol{74.4\space kg\cdot m/s}\)) (b) The change in velocity is approximately \(\boldsymb…
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rachel wants to put mulch around her three raised flower beds, as shown…
A. 10.5 cubic feet
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4. brushing and flossing properly can help prevent a) forest fires b) d…
4. c) cavities 5. d) plaque 6. a) True 7. b) False
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3. a 2 kg ball hits a surface with a speed of 5 m/s and bounces back wi…
The momentum change of the ball is \(\boldsymbol{-15 \, \text{kg·m/s}}\) (or a magnitude of \(15 \, \text{kg·m/s}\) in the opposite direction of the initial motion).
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electromagnets 6. define electromagnet – 7. when electric current flows…
An electromagnet is a magnet where the magnetic field is generated by an electric current (usually a coil of wire around a magnetic core, with magnetism present only while current…
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3. a 2 kg ball hits a surface with a speed of 5 m/s and bounces back wi…
The momentum change of the ball is \(\boldsymbol{-15 \, \text{kg·m/s}}\) (or a magnitude of \(15 \, \text{kg·m/s}\) in the direction opposite to the initial velocity).
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lesson 2.03 (2.03 checkpoint) please complete this study guide while at…
Urbanization ### Question 2 (Filling the blank)
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base your answers to questions 11 and 12 on the image below and on your…
11. 1. More Native American Indians on the Great Plains were forced onto reservations. 12. 4. giving public land to railroad companies to help finance railroad construction
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4. read the paragraphs from the story. mama stood up and clicked togeth…
D. It helps Cora better understand the war. ### Question 5
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after asking a question, a scientist can form a(n) , which is an idea t…
hypothesis
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watch the video clip \married life\ from the movie up (2009). answer th…
1. C. Love includes both joy and loss 2. B. It forces viewers to rely on visuals and music 3. B. Changes in Carl and Ellie's physical appearance 4. C. Shared dreams and unfulfille…
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which best describes scientific facts? observable and objective true an…
observable and objective
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1) what is the third country following the path of australia and france…
1. The United Kingdom 2. Acoustic Vehicle Alerting System (AVAS) (low-speed pedestrian warning sound)
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the ____________ of a polynomial can help us predict and model real - w…
1. **graph** 2. **binomial** 3. **trinomial** 4. **derivative** 5. **simplification**
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science is the systematic study of life nature earth beliefs
nature
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to help prevent people from getting the ebola virus, countries around t…
ethics
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which best describes why it is important for a scientist to use the met…
so the data can be shared and understood around the world
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dropping balls reggie has three different types of balls. each ball is …
D: All three balls will hit the floor at about the same time.
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after scientists use a careful process to gather evidence and establish…
determining explanations
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which best explains how and why scientific knowledge is continually exp…
The scientific process is cyclical so that new facts inspire questions that lead to new studies.
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a toy piece made from plastic is in the shape of a solid hemisphere wit…
Part A: A. Plastic A Part B: $\$0.83$
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fill in the blank with the correct term learned from your study of this…
square bend (or 90 - degree bend) ### 2.
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the height of an arrow shot upward can be given by the formula $s = v_0…
0.55 s and 5.45 s
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2. an object of mass 5 kg is moving on a smooth surface with a velocity…
The applied force is \( -30 \, \text{N} \) (or 30 N to the left).
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the height of an arrow shot upward can be given by the formula $s = v_0…
$16(t - 3)^2 = 96$ (or equivalent form $16(t - 3)^2 - 96 = 0$)
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how much does a standard 100 pvc conduit expand when subjected to a tem…
B. 2.2"
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which of the following tools is required to perform the next step after…
D. deburring tool
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a 1\ trade size rmc conduit has an outside diameter of______. a. 1.163\…
D. 1.315"
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if the diameter of the pipe obstruction is 2\, then making a 3 - point …
B. 3/4"
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a words connotation is its dictionary definition its translation into a…
the feelings or emotions associated the word
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a words denotation is its correct spelling the emotion associated with …
D. The dictionary definition of the word
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which of these does not reflect what \connotation\ means? 1 the way a w…
2. the most literal meaning of a word
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an aquarium tank that measures 2.4 m high, 6 m long, and 1.5 m wide is …
D. 21,600 kg
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attenuation is the ____ in a tuned circuit. decrease in signal amplitud…
A. decrease in signal amplitude or intensity
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bandwidth is the band of frequencies above and below resonance in which…
True
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an acceptor circuit provides minimal response to current at resonant fr…
False
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to create a voltage drop consisting of just the dc voltage of a signal …
capacitor with a reactance of one - tenth the resistor’s value
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the temperature yesterday in perrysburg, ohio, was $-6^circ$f. the temp…
D. $0^\circ\text{F}$
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the band - pass filter accepts currents near its resonant frequency. tr…
True
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the band-pass filter accepts currents near its resonant frequency. true…
True
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a circuit with a 15 ω resistor, a 1.45 h inductor, and a frequency of 3…
20
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1. what is energy, and how is it related to the ability to do work or c…
1. Energy is the capacity of a system or object to perform actions. It is directly tied to doing work (applying force to move an object) or causing change (like altering an object…
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the resonant frequency for a parallel rcl circuit with a 9 pf capacitor…
750
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at resonant frequency, the voltage lags the current. true false
False
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virginia science sol 5.2 – energy transformations 1. what is energy, an…
Energy is the capacity of a system or object to carry out actions or make alterations. It is directly tied to the ability to do work or cause change: having energy means an object…
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under president johnsons lenient plan for reconstruction, many southern…
- Texas: Only white people were allowed to serve on juries, hold office, or vote. → to prevent freed people from fully and equally participating in government - South Carolina: Bl…
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please fill in the blank below. ram interacts with software by storing …
temporary
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please fill in the blank below. it teams can enforce software installat…
settings