Physics
Kinematics, force analysis, electricity, and equation-driven reasoning.
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unit exam - earth systems soil permeability is also a critical factor w…
increased risk of waterlogging
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finding bombs in germany during world war ii, american and british forc…
Because there are so many unexploded bombs in Germany, the country has a special force trained to defuse them.
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when considering water use, why is it important to understand the water…
It's important to understand that ALL water is used over and over again through recycling in nature.
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what are the primary sources of water for human use in households? atmo…
C. lakes, rivers, and streams
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what is the horizontal movement of water that recharges an aquifer? aqu…
D. lateral recharge
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what does an artesian well require for continuous flow of water? consta…
D. a recharge area for the source aquifer
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photic zone- where light can penetrate the water aphotic zone- where li…
B. neritic zone
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and implement sustainable conservation practices. this ensures the cont…
C. pollution and climate change
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what sometimes happens when the water table below ground intersects the…
springs emerge
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springs are a very interesting water feature found especially in hilly …
C. It is a feature that occurs when groundwater intersects the surface of the land.
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what percentage of the atmosphere is typically made up of oxygen gas? 9…
B. 21%
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ultraviolet light comes from the sun and can sometimes cause serious he…
D. Ultraviolet light has more energy than visible light
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which atmospheric gas helps protect living things from ultraviolet radi…
D. ozone
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question 9 (1 point) the hertzsprung - russell diagram shows the relati…
B. They have a larger diameter
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than the troposphere and plays a crucial role in shielding the earth fr…
A. a layer of gases that encircles our planet
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multiple choice 1 point true or false: carbon can be in the atmosphere,…
# Brief Explanations: Carbon exists in various forms and locations. In the atmosphere, it is present as carbon - dioxide. In living things[SSE Completed, Client Connection Error][…
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hearing protection should be used if a workers voice has to be raised t…
less than 2'
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than the troposphere and plays a crucial role in shielding the earth fr…
A. troposphere
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unit exam - earth systems which type of plate boundary is known for gen…
A. convergent boundaries
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question 8 (1 point) a solar eclipse occurs when the moon passes betwee…
d. corona
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unit exam - earth systems at transform fault boundaries, tectonic plate…
B. They will become stuck and build up friction.
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11. how does the author use symbolism to show melindas trauma and recov…
11. The author uses mirrors to show Melinda's damaged self - perception from trauma, lips to represent her difficulty in speaking, and changing seasons to reflect her emotional re…
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features of oceanic - oceanic convergence is the formation of deep ocea…
A. one plate sinks beneath the other into the mantle
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unit exam - earth systems example is the himalayan mountains. these pea…
The ongoing collision of tectonic plates forms mountain
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example, as it sits on a divergent boundary where the eurasian and nort…
B. by the disappearance of crust at other locations
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unit exam - earth systems which layer of the earth allows plates to sli…
B. asthenosphere
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all of the very thin crust (oceanic and continental) that makes up the …
C. lithosphere
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22. if the same force acts on a small mass and a large mass, which will…
The small mass will accelerate more. This is because according to Newton's second - law $F = ma$, when the force $F$ is the same, acceleration $a$ is inversely proportional to mas…
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which of these best describes the physical structure of earths interior…
Earth's interior consists of a complex structure with several layers.
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what do we call it when trees and crops are interplanted in the same ar…
agroforestry
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the graphic is a grassland in africa. what best describes it? a closed …
B. an open system with regards to energy and matter
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how does free - range farming impact the use of antibiotics? it allows …
It reduces or eliminates antibiotic use.
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what is an advantage of using contour plowing on hilly terrain? it warm…
It decreases soil erosion.
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18. how much time in s is needed for a 4 n force to create an impulse o…
$4\ s$
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8. why does melinda stop speaking in class and what deeper reason is co…
8. Melinda may stop speaking due to trauma. 9. Difficulty in drawing the tree reflects inner struggle. 10. Small steps like speaking in group discussions show healing.
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what do we call it when we interplant trees and crops at the same time?…
agroforestry
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the complex and delicate balance that sustains life on our planet, high…
A. They contribute to the complex and delicate balance that sustains life.
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what do we call it when agricultural land is plowed parallel to the cur…
Contour plowing
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baltimore is one of many coastal cities that have installed hardening s…
D. It identifies a common limitation of investigations into the ecological effects of shoreline hardening.
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what do we call it when two or more crop species are planted in the sam…
Inter - cropping
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5. how does melindas relationship with her parents affect her emotional…
5. Melinda's relationship with parents can cause her to feel sad, lonely, or misunderstood. For example, they might be so busy with work that they don't notice her struggles at sc…
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b. two objects collide and stick together. before the collision, one ob…
Perfectly inelastic
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by this stage, sending a pgp encrypted message is becoming quite compli…
PGP works efficiently on a personal computer.
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7. a baseball hits a bat and both move in opposite directions after the…
# Explicación breve: En una colisión elástica, tanto la energía cinética como el momento lineal se conservan y los objetos suelen reboundar en direcciones opuestas. En una colisió…
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a force of 4 n is applied to a ball for 0.75 s. what is the impulse?
# Explicación: ## Paso 1: Recordar la fórmula del impulso El impulso $J$ está dado por $J = F\times\Delta t$, donde $F$ es la fuerza aplicada y $\Delta t$ es el intervalo de tiemp…
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5. objects at rest have zero momentum. true false clear all
# Breve explicación: El momento de un objeto se calcula como el producto de su masa y su velocidad ($p = m\times v$). Los objetos en reposo tienen velocidad $v = 0$. Entonces, al …
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question 2(1 point) if the circle labeled c represents a solar system, …
B. a star
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4. which has a greater momentum - a truck with a mass of 2250 kg moving…
Car
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3. what is the equation for calculating the momentum of an object? clea…
p = mv
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23. what is the difference between mass and weight? 24. tell me what it…
Mass is the amount of matter, a scalar. Weight is the gravitational force on an object, a vector. ### 24.
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2. collision where objects collide, and stick together. inelastic colli…
inelástica colisión
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read all of page 2 in the carbon cycle lab sheet. which is false of the…
the carbon cycle is a fast cycle, moving in just days
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two objects are interacting, but stay stationary. which best describes …
The forces are equal and opposite each other.
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is the change in momentum. impulse kinetic energy acceleration clear all
# Breve explicación: Según la definición en física, el impulso es igual al cambio en el momento lineal de un objeto. La energía cinética se asocia con el movimiento y se define co…
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the forces acting on a child sitting in a seat are described by the fre…
0 N
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3 matching 3 points match the following examples with the correct terms…
1. emotional appeal 2. testimonial 3. logical appeal
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a large truck is moving at 22.0 m/s. if its momentum is 125,000 kg·m/s,…
C. 5680 kg
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reference frame definitely changes when speed, velocity, position, dire…
position
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which is an action that can cause an object to move or change its state…
B. force
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18. saturated fats are mostly found in: 5 points vegetable oils and nut…
18. meats and dairy products 19. True 20. salt
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4. in the lab you are given a rectangular metal object that has a mass …
a. A rectangular - shaped object with one side approximately $4.928\times 10^{4}\ cm$ (a very long side), another side $2.423\ cm$, and the third side $5.0\ cm$. You can draw a re…
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12. unsaturated fats: are usually solid at room temperature are conside…
12. Are considered healthy fats 13. all of the above 14. whole grains
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which of the following includes the categories of water, electrical gri…
C. infrastructure
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8. this is fiber but hesitates it: options are unclear due to poor ocr:…
- A part of raw fruits and vegetables that aids in elimination of wastes - 50 - 60% - heart
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6. which vitamin is fat - soluble? o a o b12 o d o b6 7. what nutrients…
6. D 7. Vitaminas and Minerals 8. A desire to eat, even if not hungry
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3. how many calories per gram does fat provide? 4. which type of fat sh…
3. C. 9 4. C. Trans Fat 5. B. Simple Carbohydrates
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the simulation kept track of the variables and automatically recorded d…
There would be variables that would be hard to control, leading to less reliable data. Meter sticks may lack precision or may be read incorrectly. Real glider data may vary since …
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1. what is a nutrient? a type/function a serving size, total a vitamin …
# Breve Explicación: 1. Un nutriente es una sustancia en los alimentos que el cuerpo necesita para funcionar. 2. Las vitaminas no son un nutriente que suministra energía directa a…
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projectiles that strike objects are good examples of inelastic collisio…
The velocity of the nail and block after the collision is 0.48 m/s. The expected velocity of the nail prior to the collision is 48 m/s.
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reading assignment: geologic history carefully read chapter 10 (pp. 88 …
1. Alfred Wegener believed continents 'drifted' apart due to geological fit (coastline matching), fossil evidence (same fossils on separated continents), rock - formation correlat…
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cart 1 has an initial velocity and hits cart 2 which is stationary. aft…
The mass of Cart 2 must be twice the mass of Cart 1.
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read the scenario and choose the correct answers. imagine you have just…
Snowball A velocity: -2 m/s Snowball B mass: 3 kg Total momentum after collision: 1 kg·m/s
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consider the example data provided to complete the sentences. after col…
After colliding, G1 + G2 travels in a(n) **opposite** direction as G1 travels before the collision, but at about **one - fourth** the magnitude in velocity. The initial momentum o…
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read the passage. out of gas and out of luck john was not the type who …
1. It helps set an ominous, unsettling mood.
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sub - objective 5b note that the required conversion factors for weight…
b. 4536
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order the topics from broadest to narrowest. broader the effects of ris…
1. the effects of rising sea levels around the globe 2. the effects of rising sea levels in coastal Europe 3. the effects of rising sea levels in Venice, Italy
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17. what type of plate boundary was shown in hawaii? a. convergent boun…
17. None of the above (if we consider the uniqueness of Hawaii's hotspot situation) 18. c. Using multiple seismograph stations
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section 5.2.0 sub - objective 5b note that the required conversion fact…
b. 4536
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16. what is the relationship between plates and mountains? a. mountains…
1. b. Mountains form where plates come together 2. None of the above (since Hawaii is formed by a hotspot, not by these typical plate - boundary processes)
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which statement best describes the physical geography of the caribbean …
It consists of tropical islands and archipelagos.
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why might someone celebrating christmas in rio de janeiro, brazil, be w…
C. Seasons in the Southern Hemisphere are reversed, so December is in summertime.
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how has tectonic activity influenced the physical geography of latin am…
It created mountain ranges and increased the risk of earthquakes and volcanoes.
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which of the following is a major physical feature of south america? ro…
C. Andes Mountains
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if the present state (abc) is 110, and the input x = 0, what will be th…
010
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from unit 2 lesson 2 the speed of an object can be found by taking the …
\[s = \frac{d}{t}\]
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2. what is required to cause acceleration?
A force is required to cause acceleration.
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1) what is the word for the abbreviation cm? 2) what is the word for th…
1. Centimeter 2. Kilometer 3. Millimeter
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which of the following statements best describes the operation of a syn…
In general, the counter can be reversed at any point in its counting sequence
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5. the formula for body mass index is $bmi = \\frac{w}{h^{2}}\\times703…
R. 105 pounds
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an asynchronous 4 - bit binary down counter changes from count 2 to cou…
2
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5. the formula for body mass index is bmi = w/h²×703, where w is a pers…
45 minutes
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read the excerpt from the odyssey. the wind that carried west from iliu…
C. The forces sent by Cicones to stop the plundering of Odysseus and his men were skilled and powerful
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23 mark for review a cochlear implant would be most helpful for those w…
C. sensorineural hearing loss
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read. put the descriptions of the stages of childrens friendships in th…
# Breve explicación: En las etapas tempranas de la amistad infantil, los niños se centran en divertirse juntos. Luego, consideran que los amigos son aquellos que hacen cosas bonit…
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in a parallel in/parallel out shift register, d0 = 1, d1 = 1, d2 = 1, a…
\(D0 = 0\), \(D1 = 0\), \(D2 = 0\), \(D3 = 1\)
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the group of bits 11001 is serially shifted (right - most bit first) in…
00101
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5. biomedical engineers design sophisticated medical equipment like mri…
True
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4. the field of biomedical engineering is vast, encompassing several sp…
D. All of the above
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biomedical engineers need to understand how the body moves and reacts t…
True
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12 mark for review mc which of the following examples best illustrates …
B. After just jumped into a swimming pool, the water felt uncomfortably cold, but after a while the water felt mildly cool.