Physics
Kinematics, force analysis, electricity, and equation-driven reasoning.
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a roller coaster is very similar to a pendulum in terms of kinetic and …
D
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the city of paris, france, is in which two hemispheres? o northern and …
A. northern and eastern
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question 2 of 5 whats a possible sign of malware? a. lots of popups b. …
D. All of the above
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a health care worker is not feeling well and has a fever. in which of t…
After being fever - free for 24 hr without the help of fever - reducing medications.
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what is the acceleration of a 0.30 kilogram ball that is hit with a for…
\(83.33\space m/s^{2}\)
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question 1 of 5 what makes a good password? a. a mix of letters, number…
A. A mix of letters, numbers, and symbols you'll remember
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how often are health care facilities required to train their staff on g…
Annually
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what is the rate of acceleration of a 2,000 kg truck if a force of 4,20…
\(2.1\space m/s^{2}\)
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which of the following is the goal of surgical asepsis? to reduce the n…
To eliminate pathogenic microorganisms
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question 4 of 5 how can you create a healthy balance between online and…
D. All of the above
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a medical assistant is performing aseptic handwashing. how long should …
15 to 20 seconds
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question 2: does friction seem to have any effect on the skateboarder’s…
Yes, friction affects the skateboarder’s movement. We know this because the skateboarder slows down over time (without continuous pushing) due to friction opposing motion, and fri…
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the term pangaea was first used by alfred wegener. which theory did he …
A. continental drift
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according to the cdc, which of the following is the first step a medica…
Wash the area with soap and water.
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in a health care setting, which of the following is the minimum amount …
60%
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question 1: as the skater goes back and forth from one side of the ramp…
- **Newton’s First Law**: The skateboarder’s motion is affected by inertia. When moving, he resists changes in motion (e.g., tends to keep moving). On the ramp, forces like gravit…
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which of the following is a direct mode of transmission? contact with a…
Contact with an infected person
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a symbol on a compass or map that is circular with graded points for th…
B. compass rose
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a__________is a flat, triangular - shaped land formed when a river carr…
B. delta
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which of the following best describes the difference between a source a…
C. A source is where a river or stream originates, and a mouth is where it empties into another body of water. (Note: Assuming the third option is labeled as C; if the original op…
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how could the student manipulate (change) the sounds to make them match…
D. The student should make the waves have the same frequency but sound wave #1 have a higher amplitude.
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question 2 of 5 whats a false statement about online time? a. blue ligh…
C. Checking social media a lot is connected to more happiness
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1 wavelength and frequency have a(n) quadratic relationship. as frequen…
Wavelength and frequency have a(n) **inverse** relationship. As frequency increases, wavelength **decreases**. For example, when the wavelength is \(450nm\), if we assume \(c = 3\…
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which word describes a depressed area of land that has been drained by …
C. basin
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what body of water separates russia from alaska? the north sea the beri…
B. The Bering Strait
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which study examines the culture, political systems, social systems, ec…
C. human geography
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the aspect of geography that examines physical characteristics of the e…
B. physical geography
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geography is divided into what two main areas? human and sustainable hi…
C. physical and human
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question 4 2 pts the main effect of the marshall plan, enacted after wo…
Fix the ruined economies of Western European nations.
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is this statement true or false? typhoons develop over the atlantic and…
false
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is this statement true or false? the weathering of the earths surface i…
false
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is this statement true or false? the vertical distance between a standa…
True
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26. after before crash 1 black puck: more mass moving 8 m/s black puck:…
d. Crash 1; the force on the black hockey puck was stronger in this crash, so the force on the cone was also stronger.
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is this statement true or false? physical geography examines the cultur…
false
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hockey is a sport in which players use hockey sticks to push a puck acr…
d. The black and purple hockey pucks; they have more mass than the green puck, but changed speed by the same amount.
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mateo and jackie were on a playground rolling some different - sized ba…
a. Crash 1; the force on the soccer ball was stronger in this crash, so the force on the tennis ball was also stronger.
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an 800 kg sports car traveling on the freeway stops in order to allow a…
\(15\space m/s\)
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three toy boats with the same mass were in a lake. two boats were movin…
d. All three toy boats experienced the same strength force because they changed speed by the same amount.
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a 15 g ball is thrown at a barricade. the ball will experience the most…
it bounces off the barricade and travels backward half the way back to where it was thrown from.
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21. when two cars get into an accident and end up in locations not clos…
c. 3rd ### Question 22
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8. egypt was a bronze age culture. if bronze is made from copper and ti…
(or Memphis, but the answer is Thebes (or Memphis. But the answer is Thebes (or Memphis, but the answer is Thebes (or Memphis. But the answer is Thebes (or Memphis, but the answer…
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which statement correctly describes mass - energy equivalence? all ener…
All energy in the universe is a result of mass being converted into energy.
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gazala makes a graphic organizer to compare nuclear fission and nuclear…
X: Converts mass into energy; Y: Is controlled by neutron absorption.
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what are the starting materials for nuclear fission? two small nuclei t…
C. a neutron and a large nucleus
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the diagram shows a model of a nuclear change. which nuclear process do…
nuclear fission, because a nucleus breaks apart
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the process in which the nucleus of an atom splits into two lighter ato…
B. Fission
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what causes tectonic plates to move along the earths surface? ocean cur…
B. convection in the mantle (assuming the purple option is labeled B; if the original labels were different, adjust the identifier but the text is "convection in the mantle")
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using this type of propaganda during world war ii — led the american go…
caused many Americans to stereotype Japanese citizens
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trudy writes an expression to calculate the mass defect of a carbon - 1…
\((6m_p + 8m_n)-m_{C - 14}\) (the first option)
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9 jill went to the store with her mom. after they loaded the groceries …
b. The mass decreased because there were no groceries in it ### Question 10
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which equation represents mass - energy equivalence? e = m²c e = mc² e …
\(E = mc^{2}\) (the second option)
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which is a product of nuclear fusion? a nucleus that has a greater mass…
a nucleus that has a greater mass number than the starting materials
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which would most likely cause a decrease in the rate of energy producti…
a drop in the temperature in the reactor
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which are advantages of using nuclear reactors to generate electricity?…
- Nuclear power has a high output. - Nuclear power produces relatively low carbon dioxide emissions. - Nuclear power uses nonharmful fuel.
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which timeline best reflects the forensic process for proving causation…
C. Exposure → Symptoms → Forensic Testing → Legal Response
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which statement best describes the geologic process that is most likely…
A. They are along a plate boundary in which plates are currently converging, causing uplift and steep slopes.
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what geologic feature/event you be most likely to find at a transform b…
Earthquakes
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using this type of propaganda during world war ii — led the american go…
caused many Americans to stereotype Japanese citizens
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read the excerpt from \my city\ by james weldon johnson. but, ah! manha…
caesuras, as they help the poet emphasize Manhattan's positive qualities
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10/18 what are the two types of crust? continental and oceanic ocean an…
A. continental and oceanic
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read the excerpt from \jabari unmasked\ by nikki grimes. the ignorant i…
enjambment
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a mid - ocean ridge is located at the boundary of two tectonic plates. …
The diagram in the yellow - colored box (where Plate 1 has an arrow pointing left and Plate 2 has an arrow pointing right) correctly models the relative plate motion on each side …
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a mid - ocean ridge is located at the boundary of two tectonic plates. …
The yellow - colored diagram (the first one, with Plate 1 having a left - pointing arrow and Plate 2 having a right - pointing arrow, and the ridge between the two plates)
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what drives tectonic plate movement? coriolis effect convection current…
B. convection currents (assuming the purple option is labeled B; adjust the identifier if the actual labeling is different, but the text is "convection currents")
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read the excerpt from \my city\ by james weldon johnson. will it be tha…
It helps signal to the reader that the speaker is grappling with a particular thought.
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what drives tectonic plate movement? coriolis effect convection current…
B. convection currents (assuming the options are labeled A: coriolis effect, B: convection currents, C: gravity, D: the earth's magnetic core)
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a moving object is in equilibrium. which best describes the motion of t…
C. It will maintain its state of motion.
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a book is sitting on a desk. what best describes the normal force actin…
A. the upward force the desk pushes on the book
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a bucket of water experiencing a gravitational force of 525 n is pulled…
\(570\)
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modernization in china which explains a difference between deng xiaopin…
# Brief Explanations: - **First option**: Mao was the one who supported collectivization (e.g., during the Great Leap Forward with People's Communes), and Deng moved towards limit…
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before reading, the title \because i could not stop for death\ most lik…
A. a personified version of Death interacting with the speaker ### Question 2
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which free body diagram shows the ball falling at terminal velocity?
The free - body diagram with \(F_{air}=20\ N\) (upward) and \(F_g = 20\ N\) (downward) (the second diagram among the given ones).
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two teams are playing tug of war. team a pulls to the right with a forc…
35 N to the right
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what is the purpose of a free body diagram? ○ to show the velocity of a…
C. to show the forces acting on an object
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read these lines from the poem \we wear the mask.\ why should the world…
It is preferable to keep certain emotions private.
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a ball is dropped from the top of a building. it initially moves at 4.0…
A. air resistance
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a box is being pulled to the right. the free body diagram is shown. wha…
125 N
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which line from the first stanza of \we wear the mask\ most effectively…
"With torn and bleeding hearts we smile," because those humans who are most in pain often cover their hurt and are thus ignored.
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a box is being pulled to the right. what is the direction of the gravit…
B. down
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physics students study a piano being pulled across a room on a rug. the…
The static frictional force is greater than the kinetic frictional force, so the static frictional force is greater than 1200 N.
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an object of mass ( m = 0.5 \text{ kg} ) is moving in the ( xy )-plane …
B. \( 2.5 \, \text{kg·m/s} \)
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question 11.a what trend is observed in the temperature of the cold pac…
A. The temperature of the cold pack increases steadily.
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calculating balanced forces a box at rest on a ramp is in equilibrium, …
Static friction force: \( \boldsymbol{251} \, \text{N} \) Normal force: \( \boldsymbol{691} \, \text{N} \)
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a box is at rest on an inclined surface. which diagram correctly illust…
The fourth diagram (with \(F_g\) resolved into \(F_{gx}\) and \(F_{gy}\), \(F_N\) perpendicular to the incline, and \(F_f\) parallel to the incline).
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determining the net force consider a sign suspended on a boom that is s…
\( F_{nety} = (F_T)(\sin 32^{\circ}) - F_g \) (the second option)
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jordan notices that the metal spoon in his hot soup becomes hot to the …
C. A model showing metal particles vibrating more intensely and colliding with neighboring particles along the spoon.
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a researcher places a hot glass of water (100°c) and a cold metal block…
B. Thermal energy transfer between the metal block and the glass will continue (gain and lose) until thermal equilibrium.
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a researcher places a hot glass of water (100°c) and a cold metal block…
B. Thermal energy transfer between the metal block and the glass will continue (gain and lose) until thermal equilibrium.
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unit 3 csa europe 3.1 matching: match the term to the correct definitio…
- Empire: group of "states" or "countries" under the rule of one authority, ex: the British, the French, the German, the Dutch - Imperialism: act of exercising control over an emp…
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identifying forces acting on a falling object an apple is falling from …
The second diagram (the one with only $\boldsymbol{F_g}$ acting downwards)
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question 22 of 25 1 point __________ exclusively transmit impulses from…
B. Motor nerve fibers
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what is the most common cancer that tobacco use puts you at risk of: lu…
Lung
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calculating net force simone is walking her dog on a leash. the dog is …
s: Net force: \( \boldsymbol{16} \) N Balanced/Unbalanced: Unbalanced Motion: Forward
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which two of the following correctly describe how thermal energy is tra…
B. Thermal energy is transferred from the bottom of the pot to the soup through conduction; C. Thermal energy is distributed within the soup through convection.
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true or false: tobacco use can cause heart problems such as hardened or…
TRUE
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multiple - choice question the disease, often caused by smoking, in whi…
Emphysema
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calculating net force what is the magnitude and direction (right or lef…
12 N to the right
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question 6. olivia places a cold soda can in a bowl of warm water. afte…
A. The system has reached thermal equilibrium.
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how can force be defined in terms of momentum? mass times acceleration …
Rate of change of momentum
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question 18 of 25 which of the following statements is true of secretor…
The correct statement is: They control the flow of sebum to the surface of the skin.