Physique
Cinématique, forces, électricité et raisonnement par équations.
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9. how does antiperspirant stop me from sweating? match the description…
1. a. pores 2. j. bacteria 3. d. plugs 4. h. moisture 5. h. moisture 6. f. aluminum chloride 7. d. plugs 8. b. proteins and fatty acids 9. c. food 10. i. evaporate
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experiment #1 hypothesis: if penicillin prevents infection, then the gr…
Experiment #2: A. The independent variable: Type of music B. The dependent variable: Concentration level while doing homework C. The control: None D. The constant variable: Sara L…
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a projectiles motion is modeled by the function given in the table, whe…
2 seconds
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florida - a short history name 1. in november of 1860, president abe wa…
1. In November of 1860, President Abe **Lincoln** was elected. Outraged Southerners expected him to begin his assault on **slavery**. So, in 1861, the state adopted an Ordinance o…
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13. (1/2 point each). label the following diagram. 14. (1/2 point each)…
13. A. Spongy bone B. Epiphysis C. Diaphysis D. Articular cartilage E. Epiphyseal plate F. Periosteum G. Compact (cortical) bone H. Medullary cavity I. Epiphysis 14. A. Enamel B. …
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12. (1 point). cranial bones are mainly formed through ossification whe…
Intramembranous; Endochondral
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9.(2 points). muscles connect to bones via tendons and bones connect to…
1. Tendons 2. Ligaments 3. Cartilage 4. Synovial
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president roosevelt created which of the following to help end the coal…
C. a commission
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two types of binocular depth cues are ____ and ____ a. motion parallax.…
B. convergence ... retinal disparity
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coupling capacitors (c_in and c_out) are used in a ce amplifier to: fil…
1. Block DC voltage between stages while allowing AC signals to pass. 2. The output impedance decreases.
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in a cb amplifier: the input is applied between base and collector the …
1. the input is applied between Emitter and Base 2. The base - emitter junction is forward biased, and the base - collector junction is reverse biased
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what is the main characteristic of the active region of a bjt? the tran…
1. The base - emitter junction is forward biased, and the base - collector junction is reverse biased 2. Impedance matching
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in saturation region of a bjt: transistor behaves like a closed switch …
1. Transistor behaves like a closed switch, Both junctions are forward biased 2. To block DC and pass AC signals between stages
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a cart is released from rest from the top of an inclined ramp. ignoring…
The first graph (the one with a curve opening upwards) is the best representation.
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low input impedance and low output impedance high input impedance and h…
1. Low input impedance and high output impedance 2. An active region where $I_C\approx\beta I_B$, Different curves for different base currents $I_B$, A saturation region where $I_…
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what reactions do you have to stress? think physical, emotional, behavi…
There is no single - correct answer as it depends on individual experiences. For example, for Stressor #1, one might write "a big work deadline". For reactions to stress, physical…
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in reverse bias, the current through an ideal diode is approximately: l…
19. Zero 20. Zero
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in an npn transistor, which terminal is responsible for controlling the…
1. C. Base 2. It has a forward threshold voltage depending on material (Si ≈ 0.7 V, Ge ≈ 0.3 V) It allows current flow in one direction only (Forward bias for conduction, not reve…
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what is the ripple(output) frequency of a half - wave rectifier if the …
First question: Hz 50 Second question: It is less efficient (lower output DC power). It is much harder to filter smooth.
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what is the peak output voltage of each diode in a full - wave rectifie…
1. Equal to the peak AC voltage 2. Zero
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in reverse bias of a diode anode is negative with respect to cathode at…
In Reverse Bias of a diode: - Anode is negative with respect to cathode: True - At very high reverse voltage, breakdown may occur: True - A small leakage current (Reverse saturati…
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chl2601/assessment 8/02025 2.2 describe five points that support the im…
1. Enhanced language skills 2. Imagination and creativity 3. Emotional intelligence 4. Oral communication 5. Cultural understanding
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a 300 - kg box rests on a platform attached to a forklift. starting fro…
a. $2490\ N$ b. $600\ N$ c. $0.241$ d. $y = 2-0.75x$ e. Sketch a straight line with $y$ - intercept at $(0,2)$ and slope $-0.75$.
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question 2 (25 marks) yellow zone 2.1 design a table where you compare …
| Criteria | Description | Marks | |--|--|--| | Correct definitions | Poetry: A literary form using rhythm, rhyme, and imagery to express emotions and ideas in a condensed way. Dr…
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4. adjust the calculated answer to the appropriate amount of significan…
| Calculated Answer | 1 Sig Fig | 2 Sig Figs | 3 Sig Figs | 4 Sig Figs | | ---- | ---- | ---- | ---- | ---- | | 0.0597 | 0.06 | 0.060 | 0.0597 | 0.05970 | | 7897000 | 8000000 | 7.…
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review the water quality report and then answer the question. boonevill…
to inform residents about the source and content of Booneville's drinking water
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review the social studies textbook excerpt and then answer the question…
to teach readers about Sybil Ludington's historical significance
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4 carry out the calculation indicated and round off the answer to the c…
a. 18 b. 16.1 c. 203 d. 844 e. 5.5 f. 1.06
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the longest dreams occur just as we are falling asleep. please select t…
F
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exercise create a exercise plan for 5 days that you could do to meet yo…
**Day 1**: - Aerobic: 30 - minute brisk walk - Strengthening: 20 - minute body - weight exercises (push - ups, sit - ups) **Day 2**: - Aerobic: 25 - minute cycling - Strengthening…
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examine the eeg readout below and answer the questions that follow. ima…
D. preparing a presentation for an important executive
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delta waves are the type of brain waves associated with alertness. plea…
F
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recovery sleep is necessary when sleep is put off for a while. please s…
A. T
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which is not correct regarding articulations? articulations can range i…
All articulations contain some type of cartilage.
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1.1.8 what role does literature play in conveying emotions, ideas, and …
1. Literature uses words to evoke emotions, communicate ideas, and tell stories through techniques like imagery and narrative. 2. Real - life experiences give children context and…
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what is the effect of parathyroid hormone? increases the amount of free…
Increases the amount of free Calcium in the blood
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what is the effect of calcitonin? (1) decreases amount of free calcium …
All of these choices are correct.
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a. what is the effect of calcitonin? 1) decreases amount of free calciu…
All of these choices are correct.
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what is hydroxyapatite made of? calcium salts are mineral salts mineral…
Calcium Salts
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which type of scientific statement is defined as \a possible explanatio…
A. hypothesis
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read the sentences below, filling in the blanks with items from this li…
1. narrative 2. theme 3. universal truth 4. conflict 5. character growth 6. cultural identity 7. social justice
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read the sentences below, filling in the blanks with items from this li…
- A structured account of connected events, typically involving characters, setting and plot is called a narrative. - The central message or moral of a story that reflects a deepe…
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numerous forces act on all objects in many different directions. forces…
direction
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when scientists want to represent a force, they use an arrow drawn to a…
The motion of the object does not change.
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all around you, objects are in motion. their motion is the result of fo…
newtons (N)
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a rocket is launched from the top of an 80 - foot cliff with an initial…
192
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read the excerpt from part one of trifles. hale. i didn’t hear or see a…
The emphasis on the rocker creates a tense mood as everyone is reminded of where Mrs. Wright calmly sat as she discussed her dead husband.
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8.) an object is projected vertically upward from the top of a building…
a. 424 feet b. 100 feet
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this continent is so dry it is considered a desert. antarctica arctic
Antarctica
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which continent is home to the largest tropical rainforest in the world…
A. South America
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due to melting and the exposure of land greenland is becoming more valu…
D. All are correct
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is it possible to be hit by falling space junk? no yes
Yes
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how many time zones are there on the planet? 12 24 8 36
B. 24
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which continent is almost entirely covered by ice? africa south america…
C. Antarctica
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what is the largest island in the world that is not a continent? borneo…
D. Greenland
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sadly, the great barrier reef is dying as it turns white due to climate…
C. Bleaching
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what is the primary cause of rising sea levels? earthquakes melting gla…
B. Melting glaciers
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the ____________ has penguins. antarctic arctic
Antarctic
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which ocean borders both the arctic and antarctic regions? atlantic oce…
B. Pacific Ocean
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which continent is known for having the driest climate on earth? africa…
B. Antarctica
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the amazon river basin produces 20% of the earths oxygen and is known a…
D. Lungs
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the ____________ has polar bears. antarctic arctic
Arctic
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what is happening to the rain forest? fires flooding earthquakes volcan…
Fires, Flooding
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which treatment would most likely be used for cardiovascular disease? p…
pacemaker
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what is the main reason for the melting of polar ice caps? overfishing …
D. Climate change
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which is a factor that influences the development of cardiovascular dis…
smoking
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what are the properties of a liquid? a liquid has a fixed shape and a d…
A liquid has a fixed volume, but will assume the shape of the container it fills. Liquids are not compressible.
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what are the properties of a solid? a solid has a fixed shape and a def…
B. A solid has a fixed volume and a definite shape, and is not compressible
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part a define matter. matter is defined as anything that occupies space…
Matter is defined as anything that occupies space and has mass.
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sort each power into the category where it fits best. leading the armed…
Military powers: leading the armed forces Diplomatic powers: recognizing nations, making treaties Executive powers: granting pardons, nominating officials, signing legislation
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55. apply concepts light travels at a speed of 3.00 × 10^{10} cm/s. wha…
$1.08\times 10^{9}$ km/h
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38. dinosaurs scientists believe that the heaviest dinosaur was argenti…
220000 pounds
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36. nutrition the calories in a breakfast sandwich come from three sour…
$308$
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what effect did mechanized farming have on the environment? it led to a…
It contributed to a depletion of water sources.
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multiple - choice question islands can be formed by both answer choices…
A. both answer choices B. breaking off of another piece of land C. volcanic activity
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examine the map, including the map scale in the lower left corner. base…
Navigating the area, finding specific locations (e.g., businesses, hospital), understanding street and building layout.
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multiple - choice question what can form plateaus? magma magma and eros…
B. magma and erosion
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52. identify what conversion factor would you use to convert between th…
a. $\frac{1}{60}$ hours per minute b. 1000 milligrams per gram c. 1000 milliliters per cubic decimeter
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what major problem did the hispanic americans in the southwest face? la…
C. white settlers taking their land from them
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when pieces of the earths surface collide or push together, what is for…
B. mountains
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a hill that has steep sides and a valley in between is a: mountain plat…
Mountain
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calculate the amount of heat required to raise the temperature of a 56 …
$7700\ J$
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locate harrisburg on the map. then, look at the map legend. what does t…
The legend tells us that Harrisburg is the capital city of Pennsylvania.
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which of the following inventions contributed to the increase of indust…
Electric Power
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48. gold has a density of 19.3 g/cm³. what is the density in kilograms …
19300 kg/m³
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47. the diameter of earth is 1.3×10^4 km. what is the diameter expresse…
$1.3\times 10^{8}\text{ dm}$
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read the excerpt below from justice john marshall harlans dissenting op…
The Supreme Court's decision in Plessy v. Ferguson had a bigger effect on African Americans' daily lives in the late 1800s as it enforced segregation, while Justice Harlan's disse…
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45. what is the mass, in grams, of a sample of cough syrup that has a v…
$47.5$ g
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question 1 this helps to create a standardization of whiteness. stereot…
B. Studying whiteness
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42. convert the following: a. 15 cm³ to liters b. 7.38 g to kilograms c…
a. $0.015\ L$ b. $0.00738\ kg$ c. $6700\ ms$ d. $94500000\ \mu g$
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57. a coin is dropped from a hot - air balloon that is 300 m above the …
(a) $305.1\ m$ (b) Position: $261.6\ m$, Velocity: $- 29.2\ m/s$ (c) $8.91\ s$
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47. (a) calculate the height of a cliff if it takes 2.35 s for a rock t…
(a) $8.26\ m$ (b) $0.72\ s$
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using the appropriate equation, covert 378 k to degrees celsius. save f…
$104.85$
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42. calculate the displacement and velocity at times of (a) 0.500, (b) …
(a) Displacement: $8.225\ m$, Velocity: $18.9\ m/s$ (b) Displacement: $18.9\ m$, Velocity: $23.8\ m/s$ (c) Displacement: $32.025\ m$, Velocity: $28.7\ m/s$ (d) Displacement: $47.6…
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using the proper conversion factor, convert -25.5°f to k.
241.21
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using the proper equation, convert -25.5°f to °c.
$-31.94$
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using the proper conversion factor, convert 57°c into kelvin.
$330.15$
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assume air resistance is negligible unless otherwise stated. 41. calcul…
(a) Displacement: $6.275\ m$, Velocity: $10.1\ m/s$ (b) Displacement: $10.1\ m$, Velocity: $5.2\ m/s$ (c) Displacement: $11.475\ m$, Velocity: $0.3\ m/s$ (d) Displacement: $10.4\ …
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27. in a slap shot, a hockey player accelerates the puck from a velocit…
$0.80\ m$
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most emancipated african - americans who remained on their former plant…
B. sharecroppers