物理
力学、受力分析、電気、式を使った解法。
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which statement best compares the accelerations of two objects in free …
The objects have the same acceleration.
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which describes an object in projectile motion? gravity acts to push th…
The object's inertia carries it forward.
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¿qué hora es? 1:10 a es la una y uno y cero b es la una y diez c es la …
1. B. es la una y diez 2. B. Buenas tardes 3. D. elephant
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what determines the path that an object in projectile motion follows? (…
C. gravity and inertia
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curiosity is important in the progress of science because it ○ aids in …
encourages new experimentation
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which trait would most likely lead a scientist to repeat an experiment …
D. skepticism
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a spacecraft is launched from earth toward the moon. where will the spa…
closer to the moon than to Earth because Earth has greater mass than the moon
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1. what protects the earth from the harmful blasts of solar radiation f…
1. B. Its magnetic field. 2. D. All of the above. 3. D. All of the above. 4. B. hydrogen, methane, and ammonia
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knowledge of atomic structure has evolved over time. thomson discovered…
the cumulative nature of science
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5/20 what is a disadvantage of using an inclined plane to lift a heavy …
The object must be moved a greater distance.
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match each one with the theme or lesson it suggests. its not always eas…
"When death captures me," the boy vowed, "he will feel my fist in his face." - The human instinct to survive is strong. Somewhere, far down, there was an itch in his heart, but he…
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erwin schrödinger developed the quantum model of the atom. what scienti…
the discovery of the electron
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a worker uses a wedge to split a block of wood. the wedge has a length …
5
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a scientist reads relevant literature and designs her experiment. she r…
It led to the collection of several complete data sets
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in their meta - analysis of research on advergames (video games develop…
A. The limited capacity model of motivated mediated message processing developed by Lang provides a means of explaining the finding by van Berlo et al. that players may not readil…
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cfcs were found to destroy what important compound in our atmosphere? a…
A. ozone
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the following text is adapted from daniel defoes 1704 nonfiction book t…
D. Historians should clearly indicate the extent to which each of their sources is trustworthy.
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“mother tongue” by amy tan amy tan is an american author, best known fo…
The English at the book - talk was standard English with complex grammar forms, while the English with her mother was a more familiar, intimate family - related English.
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the theory of global warming states that the average temperature of the…
B. reveal how the earth's temperature has fluctuated in the past
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a thermometer falls from a weather balloon at a height of 7,744 ft. if …
22
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which actions promote intraprofessional collaboration? select all that …
Discuss the plan of care with a healthcare provider, Participate in the planning of nursing care, Provide feedback to the nursing team, Encourage teamwork, Assess for discharge re…
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fill in the blank: fill in the blank with the correct words. 1. the fas…
1. P 2. S 3. focus; epicenter 4. Surface 5. seismologists 6. seismograph 7. refraction 8. P; S 9. amplitudes 10. Surface
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what is the main function of a wedge? to split or cut materials to hold…
To split or cut materials
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read the paragraph that lukas is planning to include in his narrative e…
He should put it in the beginning of the essay.
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more than meets the eye vocabulary electromagnetic radiation radiant en…
2. electromagnetic radiation 5. electromagnetic radiation
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read the sentence. i told them how surprised and excited i was to have …
C. "I'm in!" I exclaimed, voice cracking with emotion. "My painting was selected and I might faint!" I felt so incompetent at the beginning competing against such ruthless competi…
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momentum = 23,250 kg*m/s how many times greater is the mass of the dump…
The Mini - Cooper has more momentum because its momentum ($25600$ kg·m/s) is greater than the momentum of the dump truck ($23250$ kg·m/s). The dump truck would have to travel at a…
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choose the correct answer. which term means \same throughout\? heteroge…
homogeneous
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momentum and impulse guided inquiry through this guided inquiry you wil…
1. Mass of the dump truck: 15500 kg 2. Two quantities to calculate momentum: Mass and velocity 3. Mass - ratio: 24.21875 4. Velocity of dump truck: 1.5 m/s
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a worker uses a wedge to split a block of wood. the wedge has a length …
AMA = 4, Efficiency = 80%
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what did the rus do that led to the eventual influence of the byzantine…
The Rus established a strong trading relationship with Constantinople.
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the half - life of a particular radioactive substance is 3 years. if yo…
15
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the half - life of a particular radioactive substance is 3 years. if yo…
2
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12. a concrete foundation requires 58 two - foot panels, 6 12” fillers,…
12. 528 13. 400
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the half - life of a particular radioactive substance is 3 years. if yo…
$\frac{1}{2}$
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the half - life of a particular radioactive substance is 3 years. if yo…
60
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a model rocket is launched from the top of a building. the height (in m…
$47.5$ meters
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an object with a density of 3.6 g/ml and a mass of 5.4 g is placed into…
# Explicación: ## Paso 1: Calcular el volumen del objeto Usamos la fórmula de densidad $ ho=\frac{m}{V}$, donde $ ho$ es la densidad, $m$ es la masa y $V$ es el volumen. Re - arre…
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what are geologists able to tell archaeologists about fossils? a the be…
C. how old they are
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_ is the active ingredient in most toothpastes. a. chalk b. tyradia c. …
C. Fluoride
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1. the elements iron (fe), copper (cu), and mercury (hg) are classified…
1. d. They all have thermal and electrical conductivity. 2. d. The sample in Beaker A has a higher density than the sample in Beaker B. 3. b. Substance B has a higher boiling poin…
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a graduated cylinder has a mass of 50 g when empty. when 30 ml of water…
# Explicación: ## Paso 1: Calcular la masa de la roca La masa del cilindro graduado con agua es de 120 g y la masa total cuando se agrega la roca es de 250 g. Entonces, la masa de…
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15.2 comparing baths and showers some people say that it uses more wate…
For 15.2: - Information needed: Volume of bath water and volume of shower water. - Method: Measure bathtub dimensions and shower - head flow - rate and duration. - Values example:…
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the astronaut realizes that the only way to get back to the space stati…
The astronaut must throw the tool - kit away from the space - station. Throwing the tool - kit away from the space - station gives the tool - kit a momentum in that direction. By …
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what evidence is used to support how the solar system formed? you can s…
The evidence that supports how the solar system formed includes observations of star - forming regions with gas and dust disks and the composition of meteorites.
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what is the main force that formed solar system? a energy radiating fro…
D. gravitational force
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two carts with different masses are both moving to the right. the mass …
Direction: $ ightarrow$ Speed: $1.7$ m/s
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question miguel is organizing textbooks on his bookshelf. he has a span…
# Explicación: ## Paso 1: Identificar el número de libros Tenemos 4 libros (libro de español, libro de matemáticas, libro de física, libro de escritura). ## Paso 2: Aplicar la fór…
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where do planets form in interstellar nebulae? a planetary nebula b int…
C. protoplanetary disk
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which statement best describes how the kepler mission changed astronome…
D. Earth's solar system has two kinds of planets, but there are more than two kinds orbiting other stars.
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which of the following best describes the solar systems that astronomer…
C. All the solar systems discovered by the Kepler Space Telescope are unique.
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three students each built a device to protect an egg when it was droppe…
Student 1: Egg Broke Student 2: Egg did not Break Student 3: Egg did not Break
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japanese robot to get artificial intelligence by yuri kageyama, modifie…
4. Softbank will incorporate Watson into Pepper and resell Watson to Japanese businesses such as call - centers. 5. The Japanese language's complexity with thousands of characters…
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16 the diagram below shows two balls of equal mass. ball x is moving to…
C. It will move to the right 2 m/s.
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match the definitions to their correct vocabulary terms. a large planet…
- a large planet made mostly of hydrogen and helium gas: a. gas giant - a giant cloud of gas and dust: c. nebula - a system of objects that revolve around a star: d. solar system …
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a 1,500 - kg car was traveling 4 m/s. the car coasted (did not apply ga…
A. 0 m/s
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what force would be needed in order to stop a 27 kg child sledding down…
B. $\frac{216}{5}\ N$
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what is the force acting on an object that experienced a 925 n·s impuls…
B. \(\frac{925}{6}\ N\)
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12 which of the following best defines an impulse? a a change in moment…
D. Both A and B
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a rifle is fired horizontally and travels 200.0 m e. the rifle barrel i…
322.6 m/s
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a 5 kg blob of putty moving at 7 m/s slams into a 5 kg blob of putty at…
C. $\frac{7}{2}$ m/s
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a 4.0 kg firecracker originally at rest explodes into two pieces. the 1…
A. 6 m/s
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what determines the momentum of an object? (select all that apply) a ma…
A. Mass, D. Velocity
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at an amusement park bumper car x moves at 2.5 m/s toward bumper car y,…
B. The momentum of Car X decreases and the momentum of Car Y increases.
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what is the change in velocity of a 1323 kg truck that experiences an i…
$0.23$
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japanese robot to get artificial intelligence by yun kageyama, modified…
1. Softbank is incorporating IBM's AI into Pepper. 2. Watson in call centers gets callers to the right solution faster. 3. Watson can learn like a human brain and understand proba…
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what is the change in velocity of a 1323 kg truck that experiences an i…
$0.23$
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a 4,000 - kg truck is traveling north at 8 m/s, and a 1,200 - kg car mo…
B. The truck has less momentum than the car.
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what, to the slave, is the fourth of july? by frederick douglass on jul…
He is demonstrating the diverse skills and humanity of Black people
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5 rank the following objects in terms of momentum. (greatest momentum a…
1. A 2,000 - kg van driving at 9 m/s 2. A 500 - kg car traveling at 16 m/s 3. A 4,500 - kg truck rolling at 0.4 m/s (assuming mass) 4. A 30 - kg child running at 4 m/s (assuming m…
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rank the following objects in terms of momentum. (greatest momentum at …
1. A 1000 - kg van driving at 9 m/s 2. A 500 - kg car traveling at 16 m/s 3. A 4500 - kg truck rolling at 0.4 m/s 4. A 50 - kg child running at 4 m/s 5. A 0.2 - kg ball rolling at…
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the diagram below shows two hockey pucks sliding toward each other on a…
$35\ m/s$
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what is the momentum of a 26 kg object moving with a constant velocity …
$1066$
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2 the table below describes the motion of balls x and y. which of the f…
D. Ball X has a greater momentum than Ball Y because it has a greater velocity
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1 which will have a larger momentum when moving at the same speed: a 2,…
A. The truck because it has a larger mass
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vancouver, which is indicated by the star on the map, falls within whic…
Temperate
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23. the first ingredient on a food label is the one that occurs in the …
23. True 24. Wash hands thoroughly before handling food. 25. Nausea, diarrhea 26. It often leads to overeating of unhealthy foods and doesn't address underlying emotional issues. …
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use the equation below to find v, if u = 18, a = 6, and t = 4. v = u + …
$42$
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question 5 of 5 what restrictions were european visitors forced to obse…
None of the above options are correct. But if we have to choose the least incorrect one, none of these restrictions were typical during Qian Long's time. If forced to pick, we not…
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a slingshot is used to launch a stone horizontally from the top of a 20…
a) $t\approx2.02$ s b) $v_{0x}\approx17.82$ m/s c) $v_{y}\approx19.82$ m/s d) $v_{x}\approx17.82$ m/s e) $\theta\approx48.0^{\circ}$ For the ball: The landing spot is $0.90$ m fro…
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which of the following best illustrates cultural diffusion from the us …
The popularity of American fast - food restaurants in Europe and Asia.
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which sentence from leave la jolla’s sea lions alone best provides a re…
Claiming that the sea lions pose a major health and public safety problem, the La Jolla Town Council and Task Force on California Sea Lions has issued a "Call to Action" with memb…
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#3 imagine a crime scene involving: (a) a suspicious liquid found near …
## Question 3: Forensic toxicology analyzes the liquid, forensic serology the fingerprint, and forensic ballistics the bullet - casing. ## Question 4: Collaboration is key as diff…
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warning: danger ahead 5 a lack of rules or safety regulations meant wor…
C. standards enforced by an outside authority
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f=ma is the equation for what law? 1 point newtons 1st law of motion ne…
1. B. Newtons 2nd law of motion 2. C. the change in an object position based on a reference point.
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industrial structure of workforce: 1880 & 1920 percentage of workforce …
Manufacturing jobs increased while agricultural jobs decreased
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the main purpose of the section titled \environmental costs\ is to * 5 …
examine the environmental impact of throwing away excess food.
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14. which of the following is not one of the four basic steps for preve…
14. B. chop 15. D. food additives 16. A. True 17. B. False
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a 5 n force is applied to a 3 kg ball to change its velocity from +9 m/…
# Explicación: ## Paso 1: Identificar los valores dados $m = 3\ kg$, $v_i=9\ m/s$, $v_f = 3\ m/s$ ## Paso 2: Aplicar la fórmula del impulso El impulso $J=m(v_f - v_i)$. Sustituyen…
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use the given conversion factor to convert 4 l to cups. 1 l = 4.2 cups …
16.8
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multiple - choice question in relation to the base unit, where do prefi…
B. Before the unit
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abusing alcohol can result in cirrhosis, which is damage to which organ…
Liver
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which of the following is not a metric base unit? liters feet grams sec…
B. Feet
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multiple - choice question what does bac stand for? body alcohol concer…
B. Blood Alcohol Concentration
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multiple - choice question what is the metric system based on? imaginar…
D. Powers of ten
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the velocity, v, of an object with mass, m, and kinetic energy, ek, is …
| $v$ | $0$ | $2$ | $4$ | $5$ | | ---- | ---- | ---- | ---- | ---- | | $E_{k}$ | $0$ | $50$ | $200$ | $312.5$ |
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a person will experience \blackouts\ if alcohol impedes the brain neuro…
True
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what is the metric unit for measuring mass? meters grams liters seconds
B. Grams
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based on the map, which of the following would best describe denvers si…
On a mountain
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when using site and situation, geographers are examining- - how outside…
How outside factors encourage the development of cities.