Physics
Kinematics, force analysis, electricity, and equation-driven reasoning.
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5. increasing the wire feed rate in gmaw or fcaw increases the ______ i…
1. C. current 2. A. Carbon dioxide 3. C. Carbon dioxide
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1. true or false? the arc welding power source used for gmaw and fcaw p…
1. True 2. B. 3V to 4V 3. A. A - groove 4. B. U - groove
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student exploration: roller coaster physics vocabulary: friction, gravi…
# Explicación: ## Paso 1: Respuesta a la pregunta 1 Al principio de cada paseo en montaña rusa, el vehículo sube lentamente una ladera alta y empinada. Esto aumenta la energía pot…
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read this passage from chapter 5 of the prince. there are, for example,…
It identifies two groups that will be discussed. It uses the signal word nevertheless to indicate a difference. It describes similar and different outcomes to similar actions.
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from the physics classrooms physics interactive 4. how does the speed a…
La rapidez en el punto E es menor que la rapidez en el punto G. 5.
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collect data: select the description tab. on the simulation pane, turn …
# Explicación: ## Paso 1: Identificar la fuerza y la masa La fuerza aplicada $F$ es la fuerza total de los ventiladores. Cada ventilador ejerce 4.0 N y hay 2 ventiladores, entonce…
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activity b (continued from previous page) 5 analyze look at the acceler…
# Explicación: ## Paso 1: Aplicar la segunda ley de Newton La segunda ley de Newton es $F = ma$, donde $F$ es la fuerza, $m$ es la masa y $a$ es la aceleración. ## Paso 2: Resolve…
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job satisfaction can be lost for all of the following reasons except: a…
C. Being recognized for a job well done
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answer each question. please note: you can answer each question only on…
Safety glasses, work - gloves, hearing protection
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a small cylinder rests on a circular turntable that is rotating clockwi…
0.73 m/s
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activity a: newtons first law get the gizmo ready • click reset • remov…
# Explicación paso a paso: ## Paso 1: Hipótesis Según la primera ley de Newton, un objeto en reposo permanecerá en reposo y un objeto en movimiento se moverá con velocidad constan…
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question: what happens to the cart when there is no force? 1. form hypo…
# Explicación paso a paso: ## Paso 1: Respuesta a "¿Qué sucede con el carrito cuando no hay fuerza?" Según la primera ley de Newton, un objeto en reposo permanecerá en reposo y un…
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6) for the example above, can a 40 - inch - tall 4 - year - old ride? o…
Yes 7)
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1) put a checkmark next to the description if its 1st, 2nd, or 3rd for …
1st law: An object at rest will stay at rest and an object in motion will stay in motion at the same speed and direction unless a force stops it.; Another word to describe this la…
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the purpose of sending a thank - you letter after an interview is to __…
E. all of the above
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1) choose the best answer. the tendency of an object to resist a change…
Inertia
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what information should be included in the opening paragraph of a thank…
D. Reinforce interest and fit for the position
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3) choose the best answer. according to newtons first law of motion, an…
According to Newton's first law of motion, an object in motion stays in motion, why does a ball that is thrown into the air eventually fall back to the ground? The unbalanced forc…
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4) choose the best answer. which object will have the most inertia when…
a box of feathers weighing 7.1 kg
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#6 what is the tortoises average speed from 80 years to 160 years? show…
1000 miles per year
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5) choose the best answer. figured out how to use magnets to generate e…
Michael Faraday
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activity b: newtons second law get the gizmo ready - click reset. - set…
# Explicación: ## Paso 1: Identificar valores dados Supongamos que la velocidad final del carro es $v_f=- 1.20$ m/s (según la información manuscrita) y el tiempo $t$ no se ha dado…
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when you know both the speed and direction of an objects motion, you kn…
velocity of the object
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how many variables should there be in a well - designed experiment? as …
Part A: 1 Part B: There were too few subjects. In other words, the sample size was too small.
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what information should be included in the closing paragraph of a thank…
D. Reinforce interest and fit for the position
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apocrine sweat glands: are far more numerous than eccrine sweat glands.…
1. B. are found in the armpits, groin, and around the nipples. 2. True
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question 1 (1 point) the integumentary system consists of: the dermis a…
Question 1: The cutaneous membrane and associated structures. Question 2: Absorption of nutrients.
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use the text to compare and contrast galaxies and nebulae. nebulae and …
Are celestial objects: - Galaxies: Yes - Nebulae: Yes Are collections of stars: - Galaxies: Yes - Nebulae: No Collapse to form stars: - Galaxies: No - Nebulae: Yes Have been found…
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use the text to compare and contrast marie curie and irène curie - joli…
| | Marie Curie | Irène Curie - Joliot | |--|--|--| | Discovered polonium and radium | √ | | | Won a Nobel Prize | √ | √ | | Faced discrimination | √ | √ | | Died due to exposure …
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write 6950 in scientific notation.
$6.95\times 10^{3}$
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the circumference of the earth is approximately 1.31 x 10^8 feet. if th…
B. $2.48\times 10^{4}$ miles
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5. a 2.0 kg otter starts from rest at the top of a muddy incline 85 cm …
$13.6\ N$
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4. which situations in problem 3 represent projectile motion? 5. a ball…
For problem 5: I agree with Conor's selected model because the height of an object in free - fall from an initial height $h_0$ is $h(t)=h_0-\frac{1}{2}gt^2$, and with $h_0 = 10$ m…
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part d for the left figure below, replace the distributed loads by an e…
$23.4\ kN,32.2\ kN\cdot m$
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wet concrete exerts a pressure distribution along the wall of the form.…
$h = 2.00\text{ m}$
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the table shows the percentage of male and female populations in a cert…
$y=-4.42x + 8885.28$
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5. weight in pounds of 200 gallons of water 200 g × 8.345 lbs = 6. dens…
Weight of 200 gallons of water: 1669 lbs Density of 8 - ft 2x4: 15.41 lbs/$ft^{3}$
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watch unemployment game show are you officially unemployed? https://www…
1. (a) People who are without work, are available for work, and have actively sought work in the prior four - weeks. (b) People who have a job. (c) The sum of the employed and the…
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short answer: answer each question. 11 do you think that ferdinand mage…
Yes. Firstly, he was the mastermind behind the expedition that aimed to circumnavigate the world. His planning and leadership were crucial in setting the journey in motion. Second…
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multiple choice. choose the best answer 19. what is the main reason col…
19. C 20. C 21. B 22. C 23. C 24. B
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question 7 (1 point) both x - rays and gamma rays have higher frequenci…
Question 7: True Question 8: True
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question 6 (1 point) communicating with satellites is an application of…
False
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5. what was the outcome of vasco da gamas expedition to india? 6. how d…
5. Opened a direct sea - route between Europe and India, starting Portuguese colonial expansion in Asia. 6. Through diplomacy, gifts, and sometimes force; presented European goods…
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question 1 of 2 employers should attach tags to identify equipment or c…
C. Live
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which object will have the greater density: a pure iron anchor or a pur…
They have the same density.
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question 1 of 3 what hazard happens by electricity in tissues, high tem…
Burns
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question 1 of 1 which of the following are electrical hazards? shock ex…
Shock, Explosions, Burns, Fire, Arc Flash, Electrocution
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large landowners primary source of labor was the enslaved african peopl…
1. Southern 2. The Southern Colonies had a large - scale agricultural economy based on labor - intensive cash crops, leading to a high demand for enslaved labor. 3. 8.0% 4. New En…
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evaluate the effectiveness of this ad. why is association a good strate…
The ad is effective as association works well for a target audience likely to value social connection and health. Association is a good strategy as it plays on emotions and contra…
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classify information write ne if a statement describes the new england …
1. NE 2. S 3. S 4. NE 5. NE 6. S 7. S 8. M 9. NE 10. S
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1. the empire state building sways back and forth every 7 seconds. what…
1. The frequency is $\frac{1}{7}\ Hz\approx0.14\ Hz$. 2. The period is $\frac{1}{0.35}\ s\approx2.86\ s$.
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question 3 (10 points) the fda is the federal agency that monitors comp…
False
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1. how do you declare a variable in c++?
In C++, a variable is declared by specifying its data - type followed by the variable name. Optionally, it can be initialized immediately. For example, 'int num;' (declaring an in…
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16. set the frequency so it is now at 3.00 hz. keep the amplitude at 1.…
20. The amplitude was kept constant throughout the experiment, so it is not relevant to the relationship between frequency and wavelength being studied. 21. Yes 22. It decreases. …
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which statement best describes an electron? smaller mass than a proton …
Smaller mass than a proton and a negative charge
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a conductor allows electrical current to move through it easily. which …
The metal railing (the fifth image from the left in the grid) is a conductor.
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at 2:00 pm the temperature is 18°f. at 10:00 pm the temperature is -9°f…
$-27$
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the canine tooth of a bengal tiger is 4 inches long. there are 2.54 cen…
10 cm
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the canine tooth of a bengal tiger is 4 inches long. there are 2.54 cen…
$4\times2.54$, and the length of the tooth is 10.16 cm.
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look at this dictionary entry. illusion \\ih - loo - zhuhn\\ noun illus…
Zebras' black and white stripes create optical illusions that confuse insects and predators on the savannah.
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is the emergency exit in this evacuation floor plan in a correct locati…
No, because it leads to a restroom
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gina is about to use a fire extinguisher on a small fire. what factor d…
B. The type of fire
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you are working on a large plant floor when you hear an explosion, whic…
B. No
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which statement best describes how physical geography contributed to th…
Landslides and flooding destroyed villages, causing the population to use violence to gain food.
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portable fire extinguishers contain a limited amount of extinguishing a…
D. Seconds
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1. how long will it take 600 grams of plutonium - 239 (half - life = 24…
1. 122000 years 2. 11136 years 3. 0.000625 g
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ignition sources, such as static electricity or lightning, can start a …
B. Smoking
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what is the difference between cajoling and enticing? enticing involves…
cajoling is more likely to involve flattery
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question 1 of 1 we learned that there is a specific order to use when o…
1. Pull 2. Aim 3. Squeeze 4. Sweep
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which statement best explains why mass is not conserved in a nuclear ch…
Some of the matter is converted to energy.
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polonium has a mass number of 212 and an atomic number of 84. in a bala…
82
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250 in³ to cm³
4096.766 cm³
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construct a truth table for the boolean expression x = ab + bc
The truth - table is shown above.
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complete the sentence with the word that best fits the overall meaning …
cerebral
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it is okay to pick up broken glass with your bare hands as long as the …
1. False 2. C. Goggles
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4 true or false 20 points it is okay to pick up broken glass with your …
False
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complete the sentence with the word that best fits the overall meaning …
fast
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3 true or false 20 points always carry a microscope using both hands. t…
True
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1 multiple choice 20 points before you leave the science room, you shou…
D. All of the above
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which is a thesis statement? despite government subsidies for renewable…
Solar energy is a better source of power than coal because it is clean and renewable.
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dean is helping with a program to increase recycling at his school. at …
The graph on the right
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first activity: amplitude 1. hit the green button once to generate a pu…
1. Bounces back (simplified observation of reflection at fixed end) 2. Amplitude (the correct slider for starting wave height, not damping) 3. Can't be verified without more conte…
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which of the following answer choices should be eliminated first from t…
C. Mickey Mouse
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what should environmentally conscious citizens do to help conserve and …
There are multiple actions such as waste management, energy conservation, sustainable transportation, tree - planting, and policy advocacy.
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does the center of the wheel change if the wheel is spun counterclockwi…
No
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babies need a lot of sleep, but as people get older, the amount of slee…
The second graph
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mitch did an experiment about evaporation for the school science fair. …
The first graph (the one with a decreasing - curve)
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are there any points on the wheel that stay fixed, or do not move, when…
The center point of the wheel does not move when the wheel spins.
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1) (4) you find a bone in your back yard and it looks very old. you buy…
Approximately 15683 years.
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500 μm to in.
0.0197 in.
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listed in the item bank are key terms and expressions, each of which is…
TRUE: Materials containing air are usually good insulators., Heat travels from warmer to colder places., White cars absorb less heat than black cars., A substance that does not co…
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pablo is spinning the prize wheel shown. 1. a spin can be clockwise or …
Clockwise: The direction of a clock's hand movement. Counterclockwise: The opposite direction of a clock's hand movement.
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determine which heat transfers below are due to the process of conducti…
A. I and II
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in nature, hot air tends to rise and cool air tends to sink. this is be…
B. heating a fish tank
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this process of heat transfer is best described as a condensation. b co…
C. convection
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marina is cooking soup in a pot on the stove. the pot is in direct cont…
C. conduction
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ana poured equal amounts of water into four bowls. then she put the bow…
D. Bowl 4
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peters mom is cooking brownies in a pan in the oven. which pan should s…
A. metal pan
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question: 4 how would we write an if statement where tracy will put the…
Question 4: C. if count > 0: pendown() Question 5: D. Tracy skips the commands under the if statement
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the method of heat transfer by which the sun energy reaches the earth i…
C. radiation