Physique
Cinématique, forces, électricité et raisonnement par équations.
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a bikes velocity changes from 0 m/s to 55 m/s in 5 seconds. what is the…
11 m/s2
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part 2: true or false true / false 9. low latitude climates generally h…
9. True 10. False 11. True 12. False 13. False
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unit 2 test: forces and motion (10/15) which statement best describes a…
Acceleration is the rate of change of velocity of an object.
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which type of force results from charged particles? contact force gravi…
electromagnetic force
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what is the correct definition of force? ○ speeding up or slowing down …
a push or pull
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boat #3 travels directly across the river but the river current has inc…
C. The same distance
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unit 2 test: forces and motion (10/15) which statement describes what a…
It will not move unless acted on by another force.
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unit 2 test: forces and motion (10/15) what does an object with more ma…
more force
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ecological succession: change is good - cr... crashcourse open-ended qu…
One benefit for life in primary succession is the creation of new habitats.
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according to newtons third law of motion, if a person in a canoe on a c…
The canoe moves backward a bit.
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unit 2 test: forces and motion (10/15) an object rolls east at a steady…
36m
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unit 2 test: forces and motion (10/15) two equal forces act at the same…
It remains stationary.
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unit 2 test: forces and motion (10/15) which two terms is velocity the …
speed and direction
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chapter 3: review of climate and geography part 1: fill - in - the - bl…
1. weather 2. Climate 3. temperature; precipitation 4. Convection 5. coniferous 6. equinoxes 7. permafrost 8. windward
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boat #2 travels directly across the same river with a speed of 3 m/s. h…
A. 167 m
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directions: the following passage is the basis for the accompanying ite…
D. Lincoln refers to his hosts by wholes of which they are a part or that they represent (“the other branch of this legislature” / “the people of New Jersey”). In this way, he cal…
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boat #1 travels directly across a river from point a to point b, a dist…
\(t = 50s\), so the answer is D. 50 sec.
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whats the relationship? 1. use the graph to state the relationship betw…
As air temperature increases, relative humidity decreases and as air temperature decreases, relative humidity increases.
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boat #1 travels directly across a river from point a to point b, a dist…
D. 50 sec
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6. in which direction will the low pressure system move over the next f…
1. \(77\%\) 2. \(71\%\) 3. \(10^{\circ}C\) 4. \(28\%\)
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#14.) the______ side of a mountain facing the coast receives a great de…
14. B. windward / leeward 15. A. true 16. A. true 17. A. hurricanes
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10 mark for review waking up frequently, loud snoring, silent pauses in…
A. sleep apnea
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8 mark for review based on its effects on the central nervous system, a…
B. a depressant
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#10.) what type of climate region is very dry. this climate receives li…
10. desert 11. Midlatitude (Humid Subtropical) 12. The higher you get in elevation, the cooler it gets.
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an adult with a healthy sleep cycle is most likely to enter rem sleep i…
C. after cycling through the NREM sleep stages
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brad is eager to improve his cardiorespiratory endurance in order to ma…
No. Running the pacer is not effective as \(135<144.2\). Running 2 miles is effective as \(144.2 < 165<185.4\).
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#7.) true or false: two factors that define a climate region are * 2 po…
7. B. False 8. A. True 9. C. drought
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#4.) falling water droplets in the form of rain, sleet, or snow are cal…
4. Precipitation 5. Carbon Dioxide 6. tundra
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#1.) this phenomenon is short - term; it is the condition of the atmosp…
1. Weather 2. Climate 3. El Nino
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lightning means : the act of assembling the act of getting involved the…
an electric discharge between clouds or from cloud to earth
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2. a cup of water and a bathtub full of water are at the same temperatu…
The bathtub full of water has more thermal energy. Because thermal energy \(Q = mc\Delta T\), for water (same \(c\)), same temperature (so same \(\Delta T\) in terms of the state …
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question 5 in \the open boat,\ which of the four men do not survive the…
Question 5: B. the oiler Question 6: C. her unhappiness and troubling emotions
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read this passage from chapter 5 of the prince. but when cities or coun…
He explains that principalities don't know how to rule themselves. He argues why a prince should sometimes ruin a city.
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a chef wants a new frying pan that can cook food quickly at temperature…
Copper, because it has the lowest specific heat capacity.
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look at the diagram of the thermos bottle. based on what you know about…
The vacuum layer between the walls stops heat from moving by conduction and convection.
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use the diagram below to answer the following question
Both beakers of gas have the same average kinetic energy
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in a science class, students tested how different materials heat up. th…
Object \(Y\) has the lowest specific heat because it has the greatest temperature change.
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how is friction defined? a.) friction resists the motion of objects but…
C. Friction is a force of resistance acting between objects in contact and tending to slow or stop their motion
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whats one way in which shang architecture reinforced the social distinc…
B. The elites and craftsmen lived within the inner walls of the city, separated from lower - class residents who lived within the outer walls
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activity a: classifying rocks get the gizmo ready: • click reset. intro…
| Rock type | Characteristics | |--|--| | Igneous | Texture of interlocking mineral crystals | | Sedimentary | Distinct layers of sediments (strata) | | Metamorphic | Foliated (ba…
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what statement correctly describes west virginias relative location? a …
B. West Virginia is southeast of Ohio.
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decide how the objects in the following table would be listed, if they …
A \(4.9\ g\) bullet moving at \(580\ m/s\): \(1\) A \(4.9\ g\) bullet moving at \(605\ m/s\): \(2\) A \(4.9\ g\) bullet moving at \(680\ m/s\): \(3\) A \(6.4\ g\) bullet moving at…
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decide how the objects in the following table would be listed, if they …
A \(7800\ kg\) satellite moving at \(3200\ m/s\): \(1\) A \(8170\ kg\) satellite moving at \(3200\ m/s\): \(2\) A \(8170\ kg\) satellite moving at \(3540\ m/s\): \(3\) A \(8640\ k…
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describe how the objects in the following table would be listed, if the…
- A \(74\space kg\) runner moving at \(6.0\space m/s\): \(2\) - A \(74\space kg\) runner moving at \(7.6\space m/s\): \(4\) - A \(65\space kg\) runner moving at \(6.0\space m/s\):…
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4. sketch the graph, then answer the question below. a. cooper starts 2…
\(2\)
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27 true or false 2 points the first intestine the food goes through is …
- 27. B. False - 18. D. esophagus - 19. A. stomach
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what are the two first places digestion starts? tongue stomach mouth wi…
First question: mouth with saliva. 15: produces bile to help digest fatty foods, filters blood coming from the digestive tract. 16: Store bile produced by the liver.
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11 multiple choice 1 point the largest bone in your body bears the weig…
11. femur 12. spinal column 13. ball and socket
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select the correct answer. how does increasing the tension of a spring …
A. wave velocity increases
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practice problems: electromagnetic wave calculations 1. what does it me…
The wavelength of the light is $600\ nm$.
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a health teacher gives a class the assignment below. review your class …
Eating breakfast is the key to adolescent good health because it recharges energy levels, boosts brain function, and promotes healthy choices.
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a recreational diver swims to a depth of 10 meters where they encounter…
blue
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a technical diver takes a dive to 55 meters deep where they encounter a…
blue
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read the excerpt from queen elizabeths address to the troops at tilbury…
She relies on pathos by using emotionally charged words to motivate the troops.
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identify the key properties of seawater that make it unique. key proper…
- It is salty: \(\square\) (should be checked as it's a key property) - It has a freezing point of \(0^{\circ}C\): \(\square\) (incorrect, not checked) - It is slightly acidic: \(…
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the average kinetic energy (measured in degrees celsius, kelvin, or fah…
temperature
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the total kinetic energy (measured in calories) of all the particles in…
heat
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read the excerpts from queen elizabeths speeches. address to the troops…
pathos by encouraging her audience to feel emotions including pride.
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as depth increases, water pressure
increases
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in this quiz, you will identify the global impact of technology on the …
C. Responsible innovation and understanding technology's impact are crucial.
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which of the following is a negative environmental impact of technology…
B. Increased electronic waste generation
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4.4.1 - using technology to solve problems in this quiz, you will ident…
B. By providing opportunities for virtual field trips and experiences that would be impossible in real life.
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pairs: calculate the force of gravity you would feel at each location. …
- For the Moon: \(F_g = 18\ N\) - For Mars: \(F_g = 36\ N\)
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differentiate between some of the causes and effects of increasing carb…
- **Causes**: - Combustion of coal in power plants. - Clearing rainforests of trees. - **Effects**: - Pollution (damaging seabirds' beaks). - Suppression of animal immune systems.…
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multiple - choice question percent error tells whether we need to worry…
True
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error and percent error by tiffany duda multiple - choice question 3.5 …
depending on the size of the actual measurement value.
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a recreational diver swims to a depth of 10 meters where they encounter…
blue
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8. when calculating the final velocity of an object after an explosion,…
The object is moving backward after the explosion.
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7. what two conditions must exist for momentum to be conserved? open sy…
closed system and isolated system
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a technical diver takes a dive to 55 meters deep where they encounter a…
blue
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question 1 - 3 what was the main impact of the debt peonage system that…
African Americans were forced to work in conditions that closely resembled slavery.
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6. what happens in a perfectly elastic collision when two objects of th…
They would exchange velocities.
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identify the key properties of seawater that make it unique. key proper…
- It is salty - It has a lower freezing point than fresh water - Its density is slightly higher - Its electrical conductivity is much higher - It is slightly basic
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5. imagine that two balls of modeling clay collide, deform, and continu…
Kinetic energy is being used to deform the balls of modeling clay.
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the average kinetic energy (measured in degrees celsius, kelvin, or fah…
temperature
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to find the percent error for the 2nd trial, what number would you use …
$2.8/500.0\times100$
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3. imagine a piece of gum you are chewing falls out of your mouth and s…
The gum and ground do not continue to move as one unit.
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2. how do you define the law of conservation of momentum? for a collisi…
For a collision occurring between object A and object B in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two…
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8. when should you use the ( f_{net} cdot delta t ) side of the impulse…
This side of the equation should be used when an object has a force applied for a certain time period.
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the total kinetic energy (measured in calories) of all the particles in…
heat
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factors that impact the speed of sound as it travels through water temp…
Temperature: impacts the speed of sound in water. Salinity: impacts the speed of sound in water. Longitude: does not impact the speed of sound in water. Light: does not impact the…
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6. the image below shows a roller coaster ascending the steepest hill o…
The kinetic energy is decreasing and the potential energy is increasing.
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art elements, principles & composition test multiple choice assessment …
1. B. The area of an artwork that appears farthest from the viewer 2. B. The space in a composition between foreground and background 3. C. The area of an artwork that appears clo…
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as depth increases, water pressure select choice stays the same increas…
increases
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5. sam pushes a 3.63 kg skateboard to his friend; the skateboard has 10…
5.4 m/s
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4. an olympic sprinter is traveling west at a velocity of 15 m/s and ha…
825 kg - m/s west
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3. a tennis ball with a mass of 0.025 kg is moving from left to right a…
\(-50\ N\)
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2. what is the impulse - momentum theorem? the impulse of an object is …
The impulse on an object is equal to the change in its momentum.
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2 what is the impulse - momentum theorem? the impulse of an object is i…
The impulse on an object is equal to the change in its momentum.
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1. a 79.4 kg skier loses 50% of their potential energy by the time they…
1,575,693 J
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bill nye ocks\ video quiz 1. what is the main component that all rocks …
1. C. Molten rock 2. C. Igneous 3. A. Erosion 4. C. From layers of sediment being compressed 5. C. Metamorphic
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differentiate between some of the causes and effects of increasing carb…
**Causes of ocean acidification**: Dissolution of $CO_2$ in ocean water, Decreasing the pH of the oceans **Effects of ocean acidification**: Suppression of animal immune systems, …
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in what year did carbon dioxide levels reach more than 400 ppm for the …
2013
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how does an emergency action plan benefit your workplace? select the be…
It's less likely that injuries will occur during an emergency.
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if there is a small fire and the room temperature is only slightly incr…
Yes
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gina is about to use a tire extinguisher on a small tire. what factor d…
The type of fire.
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select the correct answer which of these is a muscle - building exercis…
B. levantamiento de pesas
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select the correct answer which of these activities should be done befo…
C. calentamiento
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17.which article of the u.s. constitution grants the power to coin mone…
17. A. Article I 18. B. petition for a writ of habeas corpus 19. A. the ability of the U.S. House to charge federal officers with a crime or violation
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formulating a hypothesis: part ii now you will focus on a second hypoth…
If the speed of an object increases, then its kinetic energy will increase because kinetic energy is directly proportional to the square of the speed (\(KE = \frac{1}{2}mv^{2}\), …