物理
力学、受力分析、電気、式を使った解法。
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look at the word currents in the line its veins of streets humming with…
C. A movement or trend, especially one that is invisible or not easily seen
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what percentage of earths water is freshwater? * 10% 25% 2.5% 0.5% whic…
1. C. 2.5% 2. A. Water quality permits 3. B. Biosphere
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4. - changes the angle of the blade relative to the fence. used to make…
Table/Miter Scale
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8. which object will have a higher acceleration? a 10 kg rock with an a…
a 2 kg rock with an applied force of 5 N
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what was the greatest community impact of the oklahoma city bombing? in…
Individuals experienced significant emotional pain years after the event.
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7. which of newtons laws states that for every action, there is an equa…
C. Newton's third law of motion
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a runner has a mass of 68 kg and an acceleration of 1.5 m/s². determine…
$102\ N$
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5. an 85 kg bicyclist is traveling at an acceleration of 3.7 m/s². if f…
339.5 N
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5. - changes the angle of the blade by moving the saw head. used to mak…
5. B. Bevel Scale 6. No correct option provided among the given choices.
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4. how does changing the mass of an object affect the acceleration it w…
Increasing mass will decrease acceleration.
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3. a bowler determines that they apply a net force of 32 newtons to a b…
$5\ m/s^{2}$
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2. which pair of forces is not an action - reaction force? a dog pulls …
a dog pulls on a rope toy, and the owner pulls on the other side
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what percentage of earths water is freshwater? * 1 punto 75% 3% 1% 97% …
1. B. 3% 2. D. Technosfera 3. B. All water on Earth (liquid, solid, gas)
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directions: follow the link above to watch the pbs video. answer the fo…
1. The partial - pressure of oxygen decreases. 2. It is cold, has low air pressure and low oxygen levels. 3. Hypoxia is oxygen deprivation. Symptoms include shortness of breath, c…
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1. why dont action - reaction forces cancel each other out? action - re…
Action - reaction forces act on different objects.
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the process by which water on the ground surface enters the soil. 1 pun…
A. Infiltration
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what process is happening at c in the diagram?* runoff precipitation co…
precipitation
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8. which forces would be drawn on a free body diagram for the apple sit…
gravity and normal force
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7. identify the contact force. gravitational force magnetic force elect…
normal force
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a body of rock underneath the surface of earth that contains water. (un…
1. A. Aquifer 2. D. transpiration
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6. what is newtons first law of motion commonly called? the law of unba…
B. the law of inertia
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the weight of a liquid medication in a vial is $\frac{7}{10}$ fl. oz. i…
2. $\frac{1}{2}$ fl. oz.
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5. a paper airplane is thrown with an initial velocity of 2.4 m/s and a…
$2.08\ m/s$
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the major source of energy and the driving energy source of the water c…
# Explicaciones breves: El sol es la fuente principal de energía que impulsa el ciclo del agua, ya que proporciona la caloría necesaria para la evaporación. En cuanto al ciclo del…
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4. which of newtons laws explains why a passenger in a car will fly for…
Newton's first law of motion
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3. explain what effect gravity has on earths spheres. 4. how do rivers …
3. Gravity holds the atmosphere in place, influences tides, and drives water flow in hydro - spheres. 4. Rivers and moving water erode, deposit sediments, and create landforms.
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3. a golf ball is hit from the ground at an angle of 12° with an initia…
$2.39$ s
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what is occurring at a in the diagram? 1 punto runoff precipitation eva…
evaporation
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a golf ball is hit from the ground at an angle of 12° with an initial v…
$1.50\ s$
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the image shows various stages in the water cycle. during which stage d…
D. Z
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2. identify the force that is not a type of friction. static sliding ap…
C. applied force
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jess kicks a soccer ball, and it rolls across the ground. the force dia…
The arrow opposite to the 'movement of the ball' arrow represents the friction force.
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1. a skydiver in free fall experiences several forces. which forces wou…
gravity and friction
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humans modify and pollute * 1 punto geosphere only geosphere and hydros…
# Breves explicaciones: - Para la primera pregunta, los humanos modifican y contaminan todas las esferas de la Tierra, ya que la actividad humana afecta el suelo (geosfera), el ag…
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question 2 of 6 a patient received the following dosages of a medicatio…
$\frac{3}{4}$ gram, $\frac{7}{16}$ gram, $\frac{3}{8}$ gram
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true negative - means the patient tests negative and is actually not in…
| | Not infected | Infected | Total | |--|--|--|--| | Negative | 359 | 1 | 360 | | Positive | 41 | 49 | 90 | | Total | 400 | 50 | 450 |
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match the sphere to its elements: plants, animals, humans, bacteria * o…
1. A. biósfera 2. A. biósfera 3. A. hidrosfera
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darryl throws a basketball at the gym floor. the ball bounces once on t…
E. the moment the ball comes to a complete rest
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which is the only sphere to contains a solid, liquid and a gas? * 1 pun…
geosfera
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multiple - choice question can an electron microscope see individual at…
Yes
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match the sphere to its elements: rocks and minerals * hydrosphere geos…
# Breve Explicación: Los elementos de rocas y minerales pertenecen a la geosfera, que incluye la corteza terrestre y la litosfera. El oxígeno, nitrógeno y dióxido de carbono se en…
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while researching a topic, a student has taken the following notes: . a…
C. Since they return all geothermal fluid to the injection well, binary cycle systems—such as the one at the Platanares plant—produce "the least environmental impact," according t…
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2 fill in the blank 13 points fill out the table above using the follow…
Sensitivity: 98% Specificity: 89.75% Probability of being infected given a positive test: 54.44% Probability of not being infected given a negative test: 99.72%
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1.4 american free enterprise system use your notes for questions 1-3. f…
True
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egyptian campaign 9. napoleon invaded egypt in _1798_ with: - military …
9. Influence 10. Fleet 11. Coup; Heavily
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plastic is a synthetic material. what are three advantages of using pla…
It is strong and durable. It is relatively inexpensive. It repels water.
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false positive rate - the probability a patient tests positive given th…
1. Approximately 3.33% 2. Approximately 96.55% 3. Approximately 28.57% 4. 40% 5. Approximately 97.90% 6. Approximately 28.57%
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in a hospital, which of the following people is likely to be recumbent?…
a patient
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homework (1): vectors & relativity 1) which quadrant are each of the fo…
1) $\vec{A}$: First quadrant; $\vec{B}$: Second quadrant; $\vec{C}$: Third quadrant; $\vec{D}$: Second quadrant; $\vec{E}$: Third quadrant; $\vec{F}$: Third quadrant. 2) (Answer d…
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label the forces acting on the following object: an object hanging from…
The force of gravity ($F_{gravity}$) acts downwards and the tension force ($F_{tension}$) in the string acts upwards. The forces are balanced.
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horizontal velocity is 12 m/s. at t = 4 seconds, the ball/s highest poi…
12 m/s
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based on aint i a woman? how did truth most likely feel about the anti …
She likely disagreed, since she believed that women could be just as strong and resilient as men in government.
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select the correct answer from each drop - down menu. a ball starts fro…
The initial velocity of the ball is 0 meters/second, and its acceleration is 1.75 meters/second².
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balanced forces? yes no unbalanced forces? label the forces acting on t…
Balanced Forces? Yes Unbalanced Forces? No Forces acting on the object: $F_{tension}$, $F_{gravity}$
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question 7 of 12 a technician needs $\frac{3}{4}$ of a fecal specimen t…
B. $\frac{1}{2}$ oz
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what best describes why truth describes her personal experiences in \ai…
B. to provide credible proof that women are not less physically capable than men.
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while researching a topic, a student has taken the following notes: - a…
B. According to Fazal, binary - cycle geothermal plants are capable of producing more energy per megawatt per year.
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while researching a topic, a student has taken the following notes: - a…
B. According to Frazul, binary - cycle geothermal systems have the capacity of producing more energy per megawatt per year.
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which of the following might contort a persons hands? - a weak handshak…
a bad case of arthritis
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multiple - choice question how does a microscope help us see small obje…
It magnifies them to make a larger image.
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arrange the steps in order to describe what happens to a liquid when it…
1. The liquid gains thermal energy. 2. The particles of liquid move faster. 3. The space between the liquid particles increases. 4. The liquid changes to a gas.
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multiple - choice question why did people of the past give such strange…
Because they didn't know that microorganisms existed and caused infections.
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28. compare mixtures and substances.
A substance is pure with definite composition. A mixture is a combination of substances that retain individual identities and can be homogeneous or heterogeneous.
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select all the correct answers. consider this statement: air is matter.…
Balloons can be filled with air., Air has mass.
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vinh trí thinks he is ______. vinh trí came to this realization after s…
A. psychologically dependent on vaping (e-cigarettes); I have to vape at work because it helps force me to take a mental break during the day
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the prefix hydro means \water.\ what does the hydrosphere refer to? the…
The watery part of the Earth
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true or false? abduct = v. to carry off by force absolve = v. to pronou…
1. False 2. True 3. False
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the atmosphere, lithosphere, and hydrosphere together form what? choose…
A. biosphere
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cocaine users tend to find they can never duplicate the high they exper…
B. take increasingly higher doses.
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when james sprayed liquid deodorant under his arm, the spot felt cold. …
A. The deodorant evaporates as it absorbs thermal energy from James's skin.
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question #18: the person in the diagram is cold so she will shiver to g…
D. muscular, circulatory and nervous
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dr. olamide is treating a patient who dr. olamide thinks has a problem …
C. alcohol; delirium tremens (DTs)
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select the correct answer from each drop - down menu. andrew pokes a ma…
When Andrew pokes the marble, he gives it: applied force. As the marble rolls down the ramp, gravitational force pulls it down. The movement of the marble is slowed down by: frict…
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a group of researchers is studying curare, a poison used by south ameri…
C. acetylcholine; cannot move
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each year, about 1.2 million cases of skin cancer are reported worldwid…
Limiting exposure to the sun may reduce the chance of skin cancer.
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(4) next, you want to turn on neurons to make people see visual objects…
ventral temporal cortex (VTC) / fusiform face area (FFA)
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multiple choice 1 point question #13: 13. responsible for taking in oxy…
Question #13: B. Respiratory System Question #14: D. Digestive system
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____ causes more deaths worldwide than aids, illegal drugs, traffic acc…
C. Tobacco
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the temperature outside is - 9°f, and the wind - chill is - 15°f. what …
6°F
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(2) which number region of primary visual cortex (v1) should you stimul…
4
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multiple choice 1 point 7. sue touches a hot stove - top and quickly mo…
D. Nervous, Skeletal and Muscular
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multiple choice 1 point which type of feedback loop is shown here: as y…
Negative Feedback Loop
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which sentence states newtons third law? a. if two objects collide, eac…
B. If two objects collide, each object exerts a force equal to and in the opposite direction of the other.
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multiple answer 1 point 3. which statement best describes how your body…
A. Your skin releases waste products and water when you sweat. C. Your urinary system removes waste products from your blood.
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1. how many significant figures are in each of the following? a) 3.405 …
a) 4 b) 3 c) 3 d) 5 e) 5 f) 3 g) 3
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periodo de 90 segundos. calcula la aceleración. 6. anthony participa en…
For problem 6: $a\approx0.027\ m/s^{2}$ For problem 7: $a\approx3.24\ m/s^{2}$ For problem 8: Acceleration is the rate of change of velocity of an object with respect to time. It …
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the position - time graph describes the motion of a moving object. desc…
Segment CD: constant velocity Segment DE: not moving Segment EF: positive acceleration
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visual pathway word bank: axial, eye, optic chiasm, coronal, optic nerv…
1. eye 2. retina 3. optic nerve 4. optic chiasm 5. optic tract 6. thalamus 7. optic radiation 8. primary visual cortex (V1)
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type the correct answer in the box. use numerals instead of words. joel…
4
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which property of water allows insects to walk on its surface? adhesion…
Surface tension
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sequence the steps (1 - 4) of separating a mixture of sand, salt, and i…
1. Separate the iron filings from the sand and salt by using a magnet. Physical property used: Magnetism of iron. 2. Mix the sand and salt mixture with water. Physical property us…
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a motorcycle is moving at a constant velocity of 15 meters/second. then…
E. 3 m/s²
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b) pump c) reactor d) heat exchanger 6. how is a process flow diagram (…
6. B. PFDs include equipment symbols and data 7. A. Inputs equal outputs plus accumulation 8. B. 20 kg 9. C. It confirms materials are accounted for and processes are stable
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a pair of pliers is an example of a simple machine with two levers. whi…
D
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select all the correct locations on the image. which items are matter?
Battery, Mobile phone
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13 multiple choice 1 point the \cause\ for something to happen is the r…
B. stimulus
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20. how does the author describe their experience crossing a bare commo…
20. Without the passage, cannot be determined precisely. But if we consider common literary descriptions of such experiences, it could be a mix of emotions. 21. c) Natural beauty …
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select the correct answer from each drop - down menu. we can change a g…
Decreasing the temperature; Increasing the pressure
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fill in the blank so that the resulting statement is true. a weight of …
2.2 pounds
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20. what is a hypothesis and what makes it \good\? 21. standardization …
20. A hypothesis is a proposed explanation; a good one is testable and falsifiable. 21. replicated; verified 22. dependent 23. second 24. control 25. It provides basis for questio…