物理
运动学、受力分析、电学与方程推导。
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describe the continuous nature of the physical fitness concept.
Physical fitness is a continuous concept as it exists on a spectrum (no strict "fit"/"unfit" divisions). It changes dynamically over time due to factors like exercise, diet, age, …
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multiple choice 9. every complete statement ends with a a) period b) # …
C) semicolon ### Question 10
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explain the difference between physical activity and exercise.
Physical activity is any bodily movement (e.g., walking, cleaning) using skeletal muscles and expending energy. Exercise is a planned, structured, repetitive physical activity (e.…
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endorphins are generated in the body during exercise, which leads to be…
T
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the areas surrounding a city that have close social and economic ties t…
B) suburbs. ### Question 2
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the areas surrounding a city that have close social and economic ties t…
B) suburbs. ### Question 2
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(8) for physical conditioning the soccer team from you school runs 5 ti…
Distance = 2200 m Displacement = 0 m
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(6) what is the distance and displacement of a sprinter when he complet…
Distance = \( 100 \, \text{m} \) Displacement = \( 0 \, \text{m} \) (assuming the dash is a straight - line race from start to finish and back to start? No, wait, 100m dash is fro…
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(5) determine the distance traveled and the resulting displacement of t…
Distance = \( 20 \, \text{m} \) Displacement = \( 10 \, \text{m} \)
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regarding the magna carta, which statement is false? a) the document re…
D. The document assured all English citizens freedom of speech. ### Second Question (Second Continental Congress)
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(4) sandra drives her car 45 km to the west, turns around and then driv…
Distance = \( 450110 \, \text{m} \) (or \( 45.011 \, \text{km} \)) Displacement = \( 44890 \, \text{m} \) west (or \( 44.89 \, \text{km} \) west)
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in a vector arrow, what aspect represents the magnitude? ○ direction ○ …
D. Length
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distance is a scalar because it lacks what crucial information? ○ direc…
A. Direction
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which of these quantities is a scalar? time force momentum velocity
A. Time
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what is the term for the size or numerical value of a physical quantity…
B. Magnitude
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how would you define the words effuse and bequeath to noah?
- **Effuse**: To pour out/emitsomething (emotions, substances, words) freely/profusely. In Noah’s context (e.g., biblical), it could describe divine/natural outpouring (e.g., bles…
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what two components define displacement? ○ mass and acceleration ○ dist…
C. Magnitude and direction
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british parliament passed a series of acts, which the colonists called …
C. Boston Tea Party ### Question 2
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when calculating displacement, what factor is irrelevant? ○ the route t…
A. The route taken
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which of the following is true about displacement? it is a vector quant…
It is a vector quantity
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e) #include <iostream> using namespace std; int main() { int a, x = 23;…
The output of the program will be: 23 1
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read the statement on the right and select the dri guideline on the lef…
To solve this, we analyze each statement with DRI (Dietary Reference Intakes) definitions: ### 1. “If the entire class ate the ______ for a nutrient, about 97% would get more than…
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read the statement on the right and select the dri guideline on the lef…
To solve this, we analyze each statement with DRI (Dietary Reference Intakes) definitions: ### 1. "If the entire class ate the ______ for a nutrient, about 97% would get more than…
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suppose that youre facing a straight current-carrying conductor, and th…
B) a clockwise direction (assuming the full option B is "a clockwise direction around the conductor")
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when a device is used in a circuit in which the voltage is 81 v, the cu…
B) 27 \( \Omega \)
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to use your left hand to determine the direction of the voltage develop…
A) forefinger in the direction of the lines of force.
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a series circuit contains two devices, one with a resistance of 10 ohms…
The magnitude of the current is \( 3\) amperes.
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3 distance = ______ displacement = ______ direction = ______ 4 distance…
Distance = 10 units (assuming each grid segment is 1 unit, count all path segments), Displacement = 3 units, Direction = Up (or North) ### Problem 4
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build a term that means discomfort due to the regurgitation of stomach …
The correct term is built as **pyr -osis** (pyrosis), so confirm this selection.
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if one body is positively charged and another body is negatively charge…
B. move from the negatively charged body to the positively charged body (assuming the cut text is this, as per physics principles of electric charge and electron movement)
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which of the following does not affect the electrical resistance of a b…
A) Bodies directly surrounding the body
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which of the following would decrease the resistance to the flow of an …
(With the given options A and B, neither is correct. If there were additional options like "Using a conductor with a larger cross - section", that would be the correct answer.)
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a transformer has a primary voltage of 115 v and a secondary voltage of…
B) 72
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8. the length of a sheet of u.s. standard (letter-size)paper is closer …
c. 29 centimeters ### Question 9
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which of the following is an accurate description of the relationship d…
(Note: The provided option A is incorrect as per Ohm's Law. Ohm's Law is \( V = I \times R \) (voltage = current × resistance) or \( I=\frac{V}{R} \) (current = voltage / resistan…
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the function of a capacitor in an electric circuit is to a) measure the…
C. allow current flow between its plates.
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which of the following would experience induced magnetism most easily? …
B) Permalloy
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what major category of information warfare/cyberterror does ecruiting\ …
C. Technological facilitation ### Second Question (True/False)
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6.put these units in order from smallest to largest:decimeter , meter ,…
nanometer, micrometer, millimeter, centimeter, decimeter, meter, kilometer
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what major category of information warfare/cyberterror do \cyber-plague…
B. Information attacks ### Second Question (Data hiding)
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which of the following is not one of the five essential components of i…
D. Government ### Second Question:
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5. which is longer :a megawatt or a kilowatt? how many larger is it?
A megawatt is larger than a kilowatt. A megawatt is 1000 times larger than a kilowatt.
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the source of the suns heat is nuclear a) fusion. b) separation. c) dis…
A) fusion.
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the process of splitting an atom into two lighter atoms is called nucle…
A) fission.
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which of the following accurately pairs the part of an atom to its char…
None of the given options (A, B, C) are correct. Protons have a positive charge, electrons have a negative charge, and neutrons have no charge. If there was a typo and option C wa…
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you refer to instagrams terms of use, or the rules for using a website …
Reporting Copyright Infringements
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if the amplitude of the resultant wave is twice as great as the amplitu…
A) be traveling in the opposite direction of the resultant wave.
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in which of the following locations can a person hear the echo of a sou…
A) At least 33.2 meters behind the reflecting surface
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which of the following would not increase the velocity of a sound wave …
B) Lowering the humidity of the air
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wave a has a period of 4/100 second and wave b has a period of 1/7 seco…
B) Wave A has the higher frequency. (Assuming the full option B states that Wave A has higher frequency, as per the calculation where \( f_A = 25 \) Hz and \( f_B = 7 \) Hz, so Wa…
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a red opaque object a) reflects all colors of the visible spectrum but …
B) reflects red light only.
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234:08:47 elapsed what three colors of light are used by digital device…
A) Red, green, and blue
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a material that transmits nearly all the light in a ray because it offe…
C) transparent.
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a wave with a period of 0.008 seconds has a frequency of a) 125 hz. b) …
A) 125 Hz
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a wave with a period of 1/3 second has a frequency of a) 33 hz. b) 67 h…
D) 3 Hz
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the wavelength of a wave is the distance between a) two consecutive cre…
A) two consecutive crests.
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if a light wave hits a smooth surface at an angle of incidence of 40 de…
(Note: There is an error in the provided options as the correct angle of reflection, based on the law of reflection (angle of incidence = angle of reflection), should be 40 degree…
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which of the following statements is true of sound transmission through…
A) Sound insulators prevent sound from being transmitted better than elastic solids.
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the shortest wavelength within the visible spectrum is ______ light. a)…
B) violet
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which of the following is true regarding the properties of light? a) li…
A) Light has a dual nature and acts like both a wave and a particle.
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in which situation would artificial insemination most likely be used ov…
B. A man's testicles have not properly descended, lowering sperm count.
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graded qu... 234:04:02 elapsed which of the following statements is tru…
B. Neither ultrasonic nor infrasonic vibrations can be... (assuming the full statement is correct, as A is false because ultrasonic vibrations have a frequency higher than the nor…
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when a tuning fork vibrates over an open pipe and the air in the pipe s…
A) reinforcement
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a) a sound wave reaches the ear, and the reflected wave reaches the ear…
A) A sound wave reaches the ear, and the reflected wave reaches the ear less than 0.1 seconds later.
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if two waves with equal amplitudes and wavelengths travel through a med…
The particle will undergo destructive interference and remain stationary (its displacement will be zero) because the two waves' effects (crest and trough at the same point for the…
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question #7 of 120 what metric needs to be adjusted to create a floatin…
D) Administrative distance
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2. part b: which quote from the text best supports the answer to part a…
D. "Instead, recent studies and media reports suggest that there are groups of students who support their peers and sometimes participate in teasing and harassing other students."…
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question #6 of 120 click and drag the network components and functions …
- "Provides a framework for designing internetworks in layers" → Hierarchical model - "Performed using a destination MAC address within a frame" → Layer 2 switching - "A suite of …
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question 1 (6.67 points) retake question the banana is a basic foodstuf…
True ### Question 2
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question #5 of 120 in which puppet architecture is every node installed…
B) Stand - alone
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question #4 of 120 which of the following is not an advantage of static…
C) Static route configuration is more fault tolerant than dynamic routing protocols.
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question #3 of 120 for your current deployment, you need an antenna wit…
C) Omnidirectional antenna
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think this is a great idea and help them write the letter. as the autho…
A. We want them to know we appreciate them for sending the gift.
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multiple choice ○ half-rectified sine wave (bottom half chopped off at …
To determine the correct option, we analyze each choice: - A half - rectified sine wave has the bottom half (negative part) chopped off at 0V, so it only has the positive half - c…
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read the excerpt from act 3 of a dolls house. nora: and i—how am i fitt…
Women were expected to raise children and be caregivers.
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which velocity vs. time graph corresponds to the data represented by th…
The correct velocity - time graph is a horizontal line above the time - axis (not the one shown in the provided options as it is incorrect for the given position - time graph).
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which set of celestial objects is correctly arranged from smallest to l…
C. Earth, solar system, galaxy, galaxy group
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place these events in the correct order. britain declared war on german…
1. Archduke Ferdinand was assassinated. 2. Austria declared war on Serbia. 3. Russia mobilized its forces. 4. Germany declared war on France and Russia. 5. Britain declared war on…
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what was the purpose of sunday laws in the southwest? (1 point) to ban …
To ban certain cultural activities that were common in Hispanic Communities.
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question 8 of 10 managers are responsible for helping ____ to understan…
D. employees
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question 6 of 10 anti - virus software protects against ____. a. new pr…
B. malware
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to determine the number of trout in a lake, a conservationist catches 1…
748
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a particular computer takes 15 minutes to download a 45 - minute tv sho…
50
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match each term with its definition mobilization conscription undermine…
Mobilization - To make soldiers and equipment ready for war Conscription - Required enrollment for the armed forces Undermine - To make something weaker in a sly or secretive way …
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question 8 10 pts identify one type of rock in the image below. explain…
One type of rock is igneous rock. Tectonic - plate interactions at the oceanic - continental convergent boundary (shown in the image) lead to subduction, melting in the asthenosph…
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chapter 3 and 4 quiz started: sep 5 at 11:28pm quiz instructions answer…
A. eardrum
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a medical administrative assistant is speaking with a patient who has a…
"I can see that you are worried. I hope you're doing okay."
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question 9 1 pts the physical stimuli for the sense of hearing are call…
C. sound
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which of the following is an appropriate action taken by a medical admi…
Checking their social media during their lunch break away from their desk.
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which action should be taken if two health care team members cannot com…
The health care team members should consult a supervisor to assist with the decision.
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chapter 3 and 4 quiz take quiz started: sep 5 at 11:28pm quiz instructi…
D. opening in the center of the iris
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a medical administrative assistant is speaking with a patient who becom…
Calmly tell the patient that a manager will evaluate the situation and speak with the patient.
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question 6 1 pts the transparent part of the eye inside the pupil that …
A. lens
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question 5 1 pts for humans, the ability to__________is probably the mo…
D. see
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a medical administrative assistant is checking in a patient when the as…
Apologize to the patient about the mistake and attempt to redirect the patient.
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question 13 (1 point) what do urban gardeners add to poor city soil to …
A. Compost
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multiple select question select all that apply how did king james i of …
He sought to standardize Bible - reading practices with the King James version of scripture. He imposed restrictions on those who did not conform to the Church of England.
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a scientist believes that there are 82,621 small parakeets and 3 large …
82624
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what term refers to sheets of transparent plastic film that exhibit a r…
B. negative images
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5. what is a successful result of science? a discovery an experiment cu…
A. a discovery