物理
運動學、受力分析、電學與方程推導。
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read the text. what is the main idea? bacteria can lead to cavities and…
Brushing your teeth is important for your oral health.
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which is responsible for a spoon left in a coffee cup becoming hot to t…
Conduction
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how does heat transfer by conduction work? through radiation by waves o…
by the direct contact of particles with other particles
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which of these is an example of conduction? you sit near a campfire and…
You burn your feet on the hot sidewalk.
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peter and paul are pulling a heavy crate across the floor to the right …
less than / equal to
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tommy pushes his truck with 8 n of force to the left along the carpet. …
C. 2 N to the left
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6. label the line types shown in the drawing below:
a. Visible outline (solid line) b. Hidden line (dashed line) c. Visible outline (solid line) d. Center line (thin long - dashed dotted line) e. Hidden line (dashed line) f. Visibl…
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a glider traveling 25 mph (40.23 km/h) is affected by an outside force.…
The glider will accelerate the most when the outside force is 5 N (the second example where the force is 5 N).
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which of the following statements best describes the winds effect on th…
The wind will cause a positive acceleration on the ball.
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isabella kicks a soccer ball with 6 n of force along the grass. the bal…
It will accelerate away from Isabella's foot due to unbalanced forces.
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which is required for conduction? two substances in direct contact with…
Two substances in direct contact with one another
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which is not an example of conduction? hot tea warming the cup it is in…
blowing on the hot tea to cool it off
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as the cooler substance gains heat energy during conduction, is the kin…
yes
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when heat is transferred by direct contact (conduction), what happens a…
the particles in the cooler substance move faster and faster as it gains heat
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there are three ways that heat can be transferred from one place to ano…
the heat must be transferred by DIRECT CONTACT (touching)
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while cooking over a campfire, you burn your hand on the handle of the …
A. yes
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while cooking over a campfire you notice that heat from the fire rises …
no
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while cooking over a campfire, the heat from the fire warms your body. …
No, heat is not being transferred through direct touch.
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williams hands start to warm up because they are directly touching a wa…
Conduction - transfer through direct contact
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carlys feet get burned when they come in direct contact with hot sand a…
Conduction - transfer through direct contact
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heat waves coming off of a campfire warm bobs face. which type of heat …
Radiation - transfer through waves
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a shirt heats up as a hot iron directly touches it. which type of heat …
Conduction - transfer through direct contact
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heat waves from the sun warm the branches of a tree. which type of heat…
Radiation - transfer through waves
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which of the following is an example of energy transfer through radiati…
sunlight warms up the Earth
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which of the following is an example of energy that travels in waves? f…
B. sunlight
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a metal tube where the air and gas mix together is the: barrel/chimney …
Barrel/Chimney
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which of the following is an example of heat transfer through convectio…
warm air rises in a room, and cool air sinks
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which of the following are examples of \fluids\? hint: fluids can be li…
water and air
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what safety equipment must you put on before lighting a bunsen burner? …
Goggles, Lab coat
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use your density skills and the table below to find the identity of the…
4. Copper 5. Quartz 6. Platinum 7. Marble
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drag each tile to the correct box. read the excerpt from herman melvill…
In Greek mythology, this place is where the gods dwell. This term is used to liken the lightning - rod man to a pagan god. -> Olympus In Roman mythology, he was the king of gods a…
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the top of the inner cone of a blue flame is the: coolest part hottest …
Hottest part
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which of the following scenarios describes heat transfer through conduc…
ice melts in someone's hand
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the source of gas for the burner that turns the gas on and off is the: …
C. Gas tap
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which best describes the meaning of direct contact? when light shines o…
when an object is touching another object
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question 8 of 10 what did the railway strike of 1877 do for workers? a.…
B. Showed workers that organized labor was powerful
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which of the following accurately describes the magnitude of the net fo…
18 N
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a student drops a ball from a stationary helicopter. make a motion char…
| t (s) | v (m/s) | $\Delta y$ (m) | |---|---|---| | 0 | 0 | 0 | | 1 | 10 | 5 | | 2 | 20 | 20 | | 3 | 30 | 45 | | 4 | 40 | 80 | | 5 | 50 | 125 |
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bunsen burner safety identify this bunsen burner part: flat part that s…
Base
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4. which of the following statements is not true of bonnie & clyde? a. …
E. All of the above statements are true
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1. air is a _____________. 2. gases have various properties that we can…
1. Mixture 2. Compressibility, expandability, low - density, diffusibility
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question 9 of 10 how does henry david thoreau use logos in esistance to…
B. To build an argument that a government should represent the desires of its people
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most managers wanted their workers to: a. be safe b. go after promotion…
A. Be safe
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drag the tiles to the correct boxes to complete the pairs. identify the…
First excerpt: inspiring Second excerpt: (No clear match among given tones, but if forced to choose, perhaps none of the above as it doesn't strongly fit any of the provided tones…
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question 4 of 10 what does henry david thoreau mean by the following me…
B. That the government looks powerful, but actually lacks any power
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question 3 of 5 which of these is something henry david thoreau argues …
C. That citizens must do something to resist injustice, not just say they don't like it
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charles law jacques alexandre - césar charles was born on november 12, …
1. thermal expansion of a gas 2. France 3. Benjamin Franklin 4. volume 5. nitrogen, hydrogen, oxygen
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scientists are preparing two satellites to be launched. the satellite, …
1200
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pregunta 7 (1 punto) a continuación se muestra la gráfica de posición -…
# Explicación detallada: ## Paso 1: Comprender la gráfica La gráfica muestra la posición en función del tiempo para dos corredores. El desplazamiento en un intervalo de tiempo se …
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pregunta 8 (1 parte) la gráfica de velocidad versus tiempo muestra el m…
# Explicación: ## Paso 1: Comprender la velocidad y la aceleración en la gráfica La velocidad es positiva cuando la línea está por encima del eje del tiempo (velocidad = 0). La ac…
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wednesday week 12 language practice name 1. when you read or see a play…
1. climax 2. The main character in a story/play who drives the plot forward. 3. The Crucible dramatizes the story of a historical incident in seventeenth - century Salem, Massachu…
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pregunta 5 (1 punto) utilice la gráfica de velocidad - tiempo del objet…
# Explicación paso a paso: ## Paso 1: Definir la fórmula de aceleración La aceleración $a$ se define como $a=\frac{\Delta v}{\Delta t}$, donde $\Delta v$ es el cambio en velocidad…
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pregunta 4 (1 punto) ¿qué gráfico de desplazamiento versus tiempo repre…
# Explicación breve: La velocidad es la pendiente de la gráfica de desplazamiento - tiempo. Cuando un objeto tiene una aceleración positiva, su velocidad aumenta con el tiempo. Es…
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la gráfica muestra la velocidad de un automóvil en función del tiempo d…
b. $1.2\ m/s^2$
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¿qué gráfico de velocidad en función del tiempo representa mejor la vel…
A. Velocity (m/s) - Time (s) con una recta creciente partiendo del origen.
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weird / confusing ones to watch out for: bool(n) => true (non - empty s…
Follow the above steps to get the appropriate output based on user inputs.
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el diagrama muestra la posición de un bloque de hielo a medida que se m…
A.
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read the excerpt from chapter 2 of the scarlet letter using comprehensi…
The walk from prison to scaffolding was both emotionally and physically painful for Hester
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practice it! drag and drop the words or phrases that accurately complet…
balanced, Newtons, 0 N, unbalanced, direction
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select the statement(s) that accurately describe the forces acting on t…
The net force is 35 N to the right. The forces acting on the bicyclist are unbalanced.
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question 2 of 9 (\\(\\frac{m}{p}\\))^d = l(i, y)=\\frac{y}{5i} where i …
a. $g$ b. $5i$ c. $0$ d. A one - time increase in the nominal interest rate will cause a one - time increase in velocity, and the growth rate of velocity will now be $0$.
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the jet stream the jet stream is a narrow current of air that moves aro…
1. jet stream 2. west; east 3. fast 4. 30,000 5. During the day, land heats up faster than water. Warm air over land rises, and cooler air from the sea moves in to replace it, cre…
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question 1 of 9 suppose a country has a money demand function ($\\frac{…
a. 7 b. lower c. $V = \frac{1}{k}$: $k$ is inversely related to velocity, i.e., the more money people hold for a given real income, the smaller velocity is, and vice versa. d. The…
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question 28 0.5 pts about ______ of the usa workforce is employed in ma…
C. 10%
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west virginias is 38° n and 80° w, but its is between the equator and t…
First blank: absolute Second blank: relative
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for starbucks in china... where coffee culture was/is less established …
E. promotion adaptation
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1. when heated air rises and cooler air flows in to fill the lower - pr…
1. Convection 2. Temperature differences 3. Coriolis effect 4. Pressure gradient force 5. Wind
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which side of west virginia has the most rainfall? the allegheny highla…
The Eastern Panhandle because precipitation increases on the east side of the mountains.
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the four principal ways heat is transferred from one place to another a…
1. Convection 2. Advection 3. Conduction 4. Insolation 5. Radiation
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high heel vs. sneaker. same person stands on a high heel, then a sneake…
B. High heel
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based on what we discussed about american - founded ajax being marketed…
product adaptation
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make a motion chart for a cannonball launched with an initial speed of …
The motion - chart values are as follows: | t (s) | v (m/s) | $\Delta y$ (m) | |---|---|---| | 0 | 20 | 0 | | 1 | 10 | 15 | | 2 | 0 | 20 | | 3 | -10 | 15 | | 4 | -20 | 0 | | 5 | 0…
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which of the following is highly productive and is frequently covered i…
wetlands
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make a motion chart for a cannonball launched with an initial speed of …
The motion - chart is as follows: | $t(s)$ | $v(m/s)$ | $\Delta y(m)$ | | ---- | ---- | ---- | | 0 | 20 | 0 | | 1 | 10 | 15 | | 2 | 0 | 20 | | 3 | - 10 | 15 | | 4 | - 20 | 0 | | 5…
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for starbucks in china.... they created a series of \starbucks now\ sto…
product innovation
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restoration of natural habitat for species is especially important in w…
C. National Wildlife Refuges
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practice amy has a mass of 50 kg. she is riding a skateboard traveling …
500 kg·m/s
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question 18 0.5 pts at one of several coca - cola bottling plants in me…
C. dual adaptation
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question 16 0.5 pts think about the things kelloggs did to market frost…
promotion adaptation
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readworks questions: weather: air patterns 9. what is the coriolis effe…
The Coriolis effect is the apparent deflection of moving objects when observed from a rotating reference frame (like the Earth). In the Northern Hemisphere, moving objects are def…
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make a motion chart for a cannonball launched with an initial speed of …
| t (s) | v (m/s) | $\Delta y$ (m) | | ---- | ---- | ---- | | 0 | 20 | 0 | | 1 | 10 | 15 | | 2 | 0 | 20 | $a=-10\ m/s^{2}$
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8. what is the cause of seasonal and temperature changes?
The Earth's tilt on its axis and its orbit around the Sun.
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question 6 0.5 pts from our outside content... in holland (and other pa…
C. promotion adaptation
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a company may choose a.______ strategy to take advantage of economies o…
straight extension
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4. based on the information in the passage, what can be concluded about…
C. Thunderstorms are unlikely during high - pressure systems.
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name the five regions of the earths atmosphere. temperatures in the can…
1. Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere 2. Thermosphere 3. Exosphere 4. Troposphere 5. Stratosphere 6. Thermosphere and Exosphere
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1. what is the cause of wind circulation patterns? a the speed of the e…
B. the difference in temperature across the Earth
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sleep came not near my couch - while the hours waned and waned away. i …
- the dark furniture - the curtains that sway because of an approaching storm
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what does the \multiple use\ philosophy of national forests allow? erad…
hiking, camping, hunting, fishing, tree harvesting, mining
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which of these protected areas are most closely associated with areas t…
National Wetland Areas
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if i judge right, tis the duty of an historian to set everything in its…
C. Historians should clearly indicate the extent to which each of their sources is trustworthy.
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20. give an example of a situation where energy is conserved.
A swinging pendulum.
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question 3 of 10 what was true about the gulf of tonkin resolution? a. …
D. All of the above
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energy is the ability to do work (measured in j), power is the rate of …
18. When the work done is constant, power is inversely proportional to time. The shorter the time to do a fixed - amount of work, the higher the power; the longer the time, the lo…
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identifying objective and subjective statements read each statement, an…
1. Subjective 2. Objective 3. Objective 4. Subjective
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1. the law of inertia > state the law of inertia. > what important idea…
- State the law of inertia: An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalance…
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what is allowed in national wilderness areas? mining driving snowmobili…
hiking
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8. the principle of inertia > restate the principle of inertia in your …
An object will keep its state of rest or uniform - motion in a straight line unless a non - zero net force acts on it.
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14. what is power in physics? 15. what is the formula for power? 16. wh…
14. Power is the rate of work - done or energy transfer. 15. $P=\frac{W}{t}$ and $P = Fv$ (in some mechanical cases). 16. Watt (W), 1 W = 1 J/s. 17. Energy is the ability to do wo…
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7. two - dimensional motion > what was the old view of two - dimensiona…
1. Old view: Motions in different directions interfere with each other. 2. Galileo's new view: Two - dimensional motion is composed of two independent one - dimensional motions. 3…