物理
運動學、受力分析、電學與方程推導。
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remarks its very easy to make sign errors in this kind of problem. one …
- For the first question: the tension $T_1$, the tension $T_2$ - For the Practice It problem: $T_1\approx69.4\ N$, $T_2\approx95.5\ N$, $T_3 = 118\ N$ - For the Exercise problem: …
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3 what are some applications of the internet of things (iot) in smart h…
A. Smart thermostats that adjust temperature automatically B. Refrigerators that can order groceries when items are low D. Light bulbs that can be controlled remotely via a smartp…
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muscle movements, roles, and names there are five basic guidelines for …
1. connective 2. movable 3. action 4. joint 5. movements
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if a pencils h# is decreased, then a. the level of clay used increases.…
A. the level of clay used increases.
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question a volume of rock has a mass roughly three times a similar volu…
For the first question: $3$ For the Practice It problem: $\frac{1}{3}$ For the Exercise problem: $\frac{3}{10}$
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16.) a marathon runner runs at a constant speed of 13 miles per hour. w…
16. B. Velocity 17A. Newton's 1st Law (Law of Inertia) states an object at rest stays at rest and an object in motion stays in motion with a constant velocity unless acted upon by…
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question 13 of 25 which two actions are examples of science influencing…
A. Using research about kingfishers to design a more efficient high - speed train C. Using observations about plant seed structures to develop hook - and - loop fasteners
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7.) read and answer below. use the figure below to answer the questions…
7. B. Figure B has more friction, so it will be harder for him. 8. C. Displacement 9. True
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question 12 of 25 a submersible temperature sensor takes temperature re…
D. 25 m depth: 15.6°C, 15.6°C, 15.9°C
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quiz #1 begin date: 9/22/2025 12:01:00 am due date: 9/28/2025 11:59:00 …
A. more than one of these options B. distance goes down. D. mass goes up.
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4) which factor best explains why figure a is more difficult to push? a…
5. A. Towards Erin since forces are unbalanced 6. A. concrete
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question 11 of 25 how are observations and inferences related? a. both …
D. Observations are needed, along with reasoning, to make inferences.
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the figure to the right illustrates a meridian diagram centered on an o…
A. A
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forces & motion test #1 1.) use the table below to answer the question:…
1. C. Marble 2 has a faster speed than Marble 1. 2. D. Inertia
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the point in the sky directly above your head at any given time is call…
zenith.
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list the 6 essential nutrients and an example of how you get those nutr…
1. Carbohydrates, eat bread, provide energy 2. Proteins, eat chicken, build and repair tissues 3. Fats, eat avocados, energy - storage and insulation 4. Vitamins, eat oranges, ass…
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what did the drug enforcement agency (dea) create during the war on dru…
1. C. A drug courier profile to identify likely drug traffickers. 2. B. Whether police can use minor traffic violations to stop individuals. 3. D. Failure to signal when changing …
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the average temperatures for two of the worlds hottest places are given…
The location with the warmer average temperature is location A, which is warmer by about $0.6^{\circ}F$.
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what did the naacp warn about in their brief to the supreme court? * th…
1. The dangers of excessive police power 2. It would allow police to target racial minorities and the underprivileged 3. More prisons, jails, courts, and prosecutors
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solve the formula used to convert from celsius to fahrenheit, f = 9/5c …
$C=\frac{5}{9}(F - 32)$
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5. what ingredient was the primary source of fat in the recipe? 6. what…
5. Cannot be determined without recipe details. 6. All - Purpose 7. No. Granulated sugar has larger crystals; powdered sugar is finely ground, may have corn - starch. 8. No. Bakin…
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convert the given fahrenheit temperature to its equivalent temperature …
$-26.7$
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the reorganization act of 1947 how did the reorganization act of 1947 c…
It created the position of secretary of defense to oversee military services. It created the Department of the Air Force to defend the nation's skies.
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how is the modern department of defense different from the old departme…
It contains sub - departments for the Air Force, Army, and Navy.
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convert the given fahrenheit temperature to its equivalent temperature …
$33.3$
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multiple choice 1. a system used to enforce law, maintain order, and pr…
1. B. Government 2. C. Industrialized Nation 3. A. Autocracy 4. A. Laissez faire 5. D. Federal System 6. A. Preamble 7. D. Sovereignty 8. B. Oligarchy 9. A. Nation 10. C. Consensu…
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4 what ingredient(s) provided flavor to the muffins? list at least 2.
Vanilla extract, Cinnamon
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convert the given celsius temperature to its equivalent temperature on …
$10.4$
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convert the given celsius temperature to its equivalent temperature on …
$138.2$
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2. what ingredient provides the muffins structure? 3. what ingredient b…
2. Flour 3. Eggs
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on the celestial sphere, halfway between the celestial poles lies the h…
celestial equator
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according to newtons third law, if the suns gravity is exerting a pull …
TRUE
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1 multiple choice 1 point which of the following likely will cause a fl…
Weakness in tibialis anterior
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3. which word means “extreme anxiety or emotional torment”? conviction …
3. B. Anguish 4. D. Truncheon
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1 if the muffins didnt rise, what ingredient(s) from this specific reci…
Baking powder or baking soda
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list 3 minerals: period 3 carbohydrates are broken into 3 main types: 1…
1. Proteins are made up of: Amino 2. Fat helps in the absorption and transport of: Fat - soluble vitamins 3. There are 2 main types of vitamins -: Fat; Water 4. List 3 minerals: 1…
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use the given equivalents, along with dimensional analysis, to convert …
34019.4 g
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2 a. 3.57 cm = ____________ mm
35.7
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use the given equivalents, along with dimensional analysis, to convert …
166.50
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7. what is the purpose of the tcp/ip protocol suite? a) to enable commu…
7. a) To enable communication between devices on a network, b) To allow systems with different platforms to communicate with each other 8. c) Data PDU, Data SDU, Data TDU, Data RD…
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foods that have little nutrients; no vitamins or minerals; lots of suga…
First question: B. empty calories Second question: C. 1 gram
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determine whether the statement is true or false. if the statement if f…
C. The statement is false. To make the statement true, switch "Fahrenheit" and "Celsius"
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what is the purpose of the tcp/ip protocol suite? a) to enable communic…
1. a) To enable communication between devices on a network y b) To allow systems with different platforms to communicate with each other 2. Ninguna de las opciones es correcta. 3.…
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read this excerpt from \a visit from the goon squad.\ whatever the reas…
His confidence is transformed by the crowd's response.
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quiz #1 begin date: 9/22/2025 12:01:00 am due date: 9/28/2025 11:59:00 …
$5869200000000$ mi
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a unit of measure that measures energy concentration hydration calorie …
First question: C. calorie Second question: C. building blocks of the body
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4. what is the function of each layer in the osi model? a) each layer h…
4. b) Cada capa tiene una función específica y debe interactuar con las capas superior e inferior. 5. c) Encapsulación de datos 6. a) ISO
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in the units used in the u.s., the speed of light is roughly 670 millio…
$5869200000000$
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a physician orders 9 teaspoons daily of a certain drug in three equally…
a. 45.00 b. 45.00 c. 1.50 d. 0.50
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question 5 all are examples of minerals except______ iron zinc vitamin …
Question 5: C. vitamin A Question 6: A. energy
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1. what is the main objective of a computer network? a) to listen to mu…
# Breve explicación: El objetivo principal de una red de computadoras es permitir la transferencia de datos entre sistemas. El modelo OSI (Modelo de Referencia de Interconexión de…
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the nutrient that provides the most energy for the body carbohydrates v…
1. carbohydrates 2. fruits and vegetables
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12. what evidence of plate tectonics can be found at the surface of ear…
a. Fossil distribution, b. Mountain ranges
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1. what is the main objective of a computer network? a) to listen to mu…
a) To allow systems with different platforms to communicate with each other
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a group of students is studying heat transfer by placing a hot block of…
C. conduction
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analysis: 1. the rubber band represents space, and the stars represent …
a. The total number of waves remains the same. b. The wavelength increases.
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you and your lab group have been asked to design an investigation to de…
B. Hands touching the handle of pan sitting on a lit Bunsen burner.
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metric conversion practice / mastery 1) 16.23 mg = _____ μg 2. 151.4 l …
1) 16230 μg 2) 0.1514 kL 3) 0.72 g 4) 412 cm 5) 170 m 6) 0.017 cL 7) 0.02631 kg 8) 0.045 m (assuming convert to m) 9) 2.43 mL 10) 2.823 km 11) A symbol representing an unknown or …
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first read: concept vocabulary identify the choice that best answers th…
B. Jon felt uplifted in spirit by the glorious music he heard.
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operating a toothed section jack stand raising the cup of a toothed sec…
The cam is moved away from the toothed section.
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10. how do sedimentary rocks typically form? a. through volcanic activi…
B. Through compression of layers
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operating a toothed section jack stand raising the cup of a toothed sec…
That the cup is held with your free hand.
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operating a toothed section jack stand raising the cup of a toothed sec…
Remove the steel locking pin.
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operating a toothed section jack stand raising the cup of a toothed sec…
2
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operating a toothed section jack stand raising the cup of a toothed sec…
The cam slides into the toothed section, locking the cup.
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late in the 19th century, harvard astronomer edward pickering wanted to…
The question on how stars are classified is not fully answered in the given text. For the sub - questions about star 1: - Color: No answer provided in given text. - Number of line…
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6. analyze the expansion of suffrage for its effect on the political sy…
The expansion of suffrage to non - property owners, women, African - Americans, and 18 - year - olds increased political participation, broadened the political base, forced partie…
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operating a toothed section jack stand raising the cup of a toothed sec…
A. Downwards
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operating a tubular sectioned jack - stand the locking mechanism may va…
To not get your hand caught between the cup and the jack stand.
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operating a tubular sectioned axle stand the locking mechanism may vary…
That there is no load on the jack stand.
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a friend shows you a bar graph made from data collected on endangered s…
Problems: No title, no axis labels, no legend, uneven x - axis scale. Improvements: Add title, label axes, create legend, adjust x - axis scale.
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jenelle placed a metal pole in the flame of a candle to prove that cond…
C. She could place the metal pole at a chosen distance from the flame. This would allow the thermal energy to travel through space to reach the metal pole.
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a physician orders 9 teaspoons daily of a certain drug in three equally…
45.00
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operating a tubular sectioned axle stand the locking mechanism may vary…
Use two hands to pull the cup upwards; friction in the jack stand will cause the cup to remain at the correct height.
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julie was ironing her clothes for school and noticed when she hung up t…
A. The temperature of the clothing increased because the thermal energy of the iron was transferred to the clothing by the collision of the atoms in the iron and the clothes.
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what is the scientific notation for 0.00215? a 215×10⁻⁵ b 2.15×10⁻³ c 0…
B. $2.15\times10^{-3}$
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steps 1. fill three plastic dishes partially with equal amounts of dark…
C. The dark soil will heat up fastest as the heat transfers from the lamp to the surface of the soil via radiation, and then the soil will absorb the heat through conduction.
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name: kameron james score: _/10 scientific method mad minute match - up…
1. Dependent Variable 2. Procedure 3. Testable Question 4. Constant 5. Hypothesis 6. Scientific Method 7. Analyze 8. Independent Variable 9. Control 10. Variable
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use of a jack stand in combination with a vehicle lift high jack stands…
Only as far as necessary for the work you are carrying out.
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read the excerpt from the odyssey. the wind that carried west from iliu…
The forces sent by Cicons to fight Odysseus and his men arrived during the early morning hours.
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use of a jack stand in combination with a vehicle lift high jack stands…
Move the car lift back up and re - position the jack stands.
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cabinet departments and security which cabinet department would most li…
Overseeing criminal investigation agencies such as the FBI: Department of Justice Receiving a group of diplomatic ambassadors who are arriving from European countries: Department …
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marsha is investigating how convection works while heating a pot of sou…
C. The cooler denser particles at the top of the soup sink. The warmer less dense soup moves upwards and completes a convection current. Cooler soup at the top moves to the bottom…
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use of a jack stand in combination with a vehicle lift high jack stands…
By placing high jack stands under the rear axle and lowering the vehicle onto them.
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use of a jack stand always place a jack stand(s) under a lifted - up ve…
Supporting a vehicle at a weak support point does not offer the required stability. The jack stand cup can easily damage an unsuitable part of the vehicle.
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use the table of english and metric equivalents for capacity, along wit…
6.62
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explosion of the space shuttle challenger speech by ronald reagan on ja…
C. Reagan has just become aware of the events of the day.
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use of a jack stand always place a jack stand(s) under a jacked - up ve…
Consult the vehicle service information.
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question 4 (5 points) how does your device (like a phone or laptop) sen…
Question 4: A. It breaks the photo into small packets that are sent separately and then reassembled Question 5: A. Fiber is usually more stable and provides faster, consistent spe…
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what is the definition of heat transfer? oa a form of energy due to the…
C. the movement of energy via particle motion from matter with a higher temperature to matter with a lower temperature
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use of a jack stand always place a jack stand(s) and the jack fails to …
Check to ensure the floor is level and firm, Using the correct jacking/support points, Using a jack stand(s) to support the vehicle, when the vehicle is at the desired height.
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a student sets up an experiment by placing a jar of cold water colored …
B. The yellow water has less energy and is more dense so it moves downward. The blue water has more energy and is less dense so it moves upward. The water mixes due to convection.
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construction jack stand construction is simple. usually, the stand is m…
By means of a steel pin that is inserted into a hole in the tube.
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construction jack stand construction is simple. usually, the base is re…
A. The design. C. The locking system.
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construction jack stand construction is simple. usually, the stand is m…
B. Steel, D. Aluminum
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(4 marks) problem state a problem about the relationship of age and gen…
Does the relationship between age and blood pressure differ between males and females?
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3. draw a free body diagram depicting the various forces at play in the…
For the mass - pulley system on a frictionless inclined plane: - Draw a block on the incline. Draw a vector for the gravitational force $mg$ downward, a normal force $N$ perpendic…
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introduction working under a car thats not supported properly by jack s…
Jack stands are light compared to the load they can support.
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introduction working under a car thats supported properly by jack stand…
A jack stand is completely mechanical and sturdily constructed.
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what is the difference between movement and rhythm? a. movement is the …
D. Movement is the sense of motion created by a piece, whereas rhythm is the simulation of motion through the repetition of an object or part in the piece.