物理
运动学、受力分析、电学与方程推导。
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since work will remain the same, a decrease in force requires a decreas…
1. An increase in distance 2. Work easier
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any device that uses current is a switch. voltmeter. battery. resistor.
resistor.
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question 5 of 10 which std/sti is caused by a tiny mite and results in …
D. Scabies
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question 4 of 10 which of these treatments is effective against hiv and…
B. Anti - retroviral therapy
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which components do all circuits have in common? select three options. …
energy source, wires, device that needs electrical energy
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prompt: listen/read to billie holiday singing \strange fruit,\ a poem a…
- Paragraph 1 (Introduction): - Hook: "Lynching was a dark stain on American history. Did you know that in some years, over 100 lynchings occurred?" - Thesis statement: "While bot…
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write a python program that prompts the user to enter three numbers and…
```python num1 = float(input("Enter the first number: ")) num2 = float(input("Enter the second number: ")) num3 = float(input("Enter the third number: ")) smallest = num1 if num2 …
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what are the first things you will do to manage long self checkout line…
Report the issue to your store leader. Check if tri - lights and registers are functioning properly to indicate a mechanical issue. Find a supervisor to open and direct customers …
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the mechanical advantage of a ramp is 5. what amount of force in newton…
60
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what are the advantages of parallel circuits? check all that apply. if …
If one bulb goes out, the other bulbs stay lit. If there is a break in one branch of the circuit, current can still flow through the other branches.
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if the radius of a doorknob is 5.0 cm (input distance) and the radius o…
2
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a wheelbarrow has an output distance that measures 0.33 m from the load…
3.03
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sql challenge your table: maintable_rzw2z mysql version: 8.0.23 in this…
```sql SELECT ReportsTo, COUNT(*) AS Members, FLOOR(AVG(Age)) AS Average_Age FROM maintable_RZW2Z WHERE ReportsTo IS NOT NULL GROUP BY ReportsTo ORDER BY ReportsTo; ```
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how does the resistance change as you add bulbs to a series circuit? th…
The resistance increases.
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write a python program that prompts the user to enter a number and then…
```python num = int(input("Please enter a number: ")) if num % 2 == 0 and num % 3 == 0: print(f"{num} is divisible by both 2 and 3.") elif num % 2 == 0: print(f"{num} is divisible…
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alicia bought a new electric guitar that cost $588.60 after 9% sales - …
$540$
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fill in the word that completes the sentence. current can flow through …
closed
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1. you are trying to build an ai program to understand more about endan…
Physical characteristics such as fur patterns (no patterns on gorilla fur vs. orange with black stripes on tiger fur), body shape (upright - walking and long - armed gorillas vs. …
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multiple - choice question why did blaise pascal invent the mechanical …
make it easier for people to collect taxes
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identifying symbols use the drop - down menus to identify the parts of …
Label A: Battery Label B: Light - bulb Label C: Switch
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write a python program that prompts the user to enter a list of words a…
The above Python code is the solution.
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read the story. then complete the story web. the main idea and one deta…
- No cities or towns - Scientists study weather, wildlife, rocks - Winter: 24 - hour darkness, very cold (-100°F) - Summer: 24 - hour sunlight, still cold - Only insects, spiders,…
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identifying the relationship between resistance and current what is the…
As resistance increases, current decreases.
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multiple choice question which reflex is mediated by the brain? crossed…
None of the above options are correct as crossed - extensor, stretch, and tendon reflexes are spinal reflexes not mediated by the brain. But if we have to choose from the given op…
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the geocentric model of the solar system failed to explain the retrogra…
The invention of the telescope provided new evidence to support the heliocentric model.
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ancient philosophers such as aristotle and ptolemy developed versions o…
motion of celestial objects
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which illustration best illustrates a geocentric model of a solar syste…
The first illustration (the one with the blue - dot selection) best illustrates a geocentric model as it shows Earth at the center with other bodies orbiting around it.
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multiple - choice question what did galileo invent? thermometer thermog…
C. thermoscope
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section 1: variables 1. program: write a python program that prompts th…
```python favorite_color = input("Please enter your favorite color: ") birth_year = input("Please enter your birth year: ") print(f"Your favorite color is {favorite_color} and you…
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3. a waterfall is located 45.0 m downstream from where the boat is laun…
1. Minimum boat speed in the first case: $\frac{20}{3}\approx6.67$ m/s 2. Minimum boat speed in the second case: $\frac{40}{3}\approx13.33$ m/s 3. The boat can cross the river wit…
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which model involved gold foil? bohr model cloud model rutherford model…
C. Rutherford Model
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multiple choice question which reflex is mediated by the brain? crossed…
None of the above. (None of Crossed - extensor, Tendon, or Stretch are mediated by the brain; they are spinal reflexes)
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4. a speedboat with a speed of 20 m/s crosses a 120 m river with a curr…
a. Approximately $20.9$ m/s b. Approximately $125.29$ m c. The downstream displacement is halved. d. The time remains the same.
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3. the riverboat crosses an 80m wide river with a boat velocity of 5 m/…
a. Approximately 6.4 m/s b. 16 s c. 64 m d. i. Time to cross stays the same (16 s), downstream distance decreases to 32 m. ii. Time to cross decreases to 8 s, downstream distance …
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can we forge against these enemies a grand and global alliance, north a…
First question: Pathos Second question: Stirring passion and emotions
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3. the riverboat crosses an 80m wide river with a boat velocity of 5 m/…
a. Approximately 6.4 m/s b. 16 s c. 64 m
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phet simulator - density purpose: to calculate the density of the five …
Debes llenar la tabla con los valores medidos y calculados. Por ejemplo, para el bloque A: - Si la masa medida es $M_A$ kg, el volumen inicial $V_{iA}$ L, el volumen final $V_{fA}…
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question 3 of 20 read this list: • citizens cannot be forced to house s…
B. The Petition of Right
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2. which of the following would cause the boat to reach the opposite sh…
C. The river flows south at 2 m/s, D. The river flows south at 4 m/s
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which of the following lakes is the largest lake in africa, the worlds …
C. Lake Victoria
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purpose - to calculate the density of the five blocks in this phet simu…
f) materia g) espacio h) restar; final
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for questions 1 and 2: consider a boat which begins at point a and head…
b. The river is 120 meters wide. c. The boat heads across the river at 6 m/s.
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1 # correct the print statement to use f - strings in the print functio…
```python a = 1 # assume some value for a b = 2 # assume some value for b c = 6 print(f"a = {a}, b = {b}, c = {c}") ```
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the two magnets shown below attract each other. only one magnetic pole …
The pole adjacent to the labeled "N" pole is "S". The opposite end of the top magnet is "S", and for the bottom magnet, the end adjacent to the top - magnet's "S" is "N", and the …
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question 13 0.2 pts scholars may disagree about the age or point in tim…
Reaching adulthood is based on marker events such as getting married.
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which equation is correct according to ohms law? v = ir i = \\frac{r}{v…
First option. V = IR
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if voltage in a circuit is constant, the current can be cut to half of …
C. two times
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a light bulb has a resistance of 360 ω. what is the current in the bulb…
0.33 A
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what is the resistance of a light bulb if a potential difference of 120…
240 $\Omega$ (corresponding to the last option)
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a circuit has a current of 2.4 a. the voltage is increased to 4 times i…
It should increase to four times its value.
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which symbol and unit of measurement are used for resistance? symbol: r…
A. symbol: R; unit: Ω
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# correct the print statement to use f - strings in the print function …
print(f"a = {a}, b = {b}")
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jaipal measures a circuit at 1.2 a and 24 ω. using ohms law, what can h…
C. voltage (V)
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kaya collects the data shown in the table. what is the resistance in th…
20 Ω
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which of the following bodies of water is a saltwater lake that is loca…
A. the Aral Sea
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felipe is a soccer coach. he carries his teams soccer balls in a wagon.…
When Felipe starts pulling the wagon forward, the soccer balls roll toward the back of the wagon.
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which statement describes the relationship of resistance and current? r…
Resistance is inversely proportional to current because $R=\frac{V}{I}$.
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multiple choice: there is only one correct answer. what is the final va…
$a = 7$, $b = 6$, $c = 6$
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question 12 0.2 pts what type of intelligence refers to the broad range…
B. Practical
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lacey is scuba diving for treasure and brings what she finds back up on…
Lacey's hands exert an upward force on the treasure that is the same magnitude as the downward force the treasure exerts on her hands.
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which symbol and unit of measurement are used for voltage? symbol: v; u…
C. symbol: V; unit: V
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seth is playing basketball and jumps in the air to make a shot. which s…
In order to accelerate upward, Seth must exert a force on the ground that is greater than his weight.
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which statement describes how newtons first law of motion is involved i…
The skateboard remains stationary until Tori pushes on the ground.
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ninas car stalls out on the side of the road. she calls a tow truck to …
The car pulls on the tow truck with the same force as the tow truck pulls the car: Newton's third law of motion More force is required to tow the car up a hill than to tow it on f…
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match each of newtons laws of motion to the statement it best describes…
1. Newton's first law of motion: The bowling ball will move at a constant velocity until it strikes the pins. 2. Newton's second law of motion: Upon colliding, the less massive pi…
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8. what could be added to figure 2 so that it better shows how the sun …
The sun heating up the ocean, and the ocean heating up the air above it, causing differences in air pressure.
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match each of newtons laws of motion to the statement it best describes…
1. Newton's third law of motion: The ground pushes back on Camilla's feet with the same force that Camilla pushes on the ground. 2. Newton's second law of motion: If the net force…
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which equation is correct according to ohm’s law? r = vi v=\frac{i}{r} …
D. $V = IR$
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relating current and voltage use the drop - down menu to answer the que…
Increase the voltage.
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ocean yet boston can get significantly colder than lisbon. which of the…
The ocean currents that affect Boston are cold and the currents that affect Lisbon are warm.
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what do we call stars with low surface temperature and high luminosity?…
red supergiants
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9. the ocean absorbs more energy from the sun and releases it more slow…
C. Temperatures inland will be more extreme compared to temperatures in coastal areas.
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what do we call stars with high surface temperature and high luminosity…
blue giants
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what material will stop a beta particle? clothes sheet metal skin paper
B. sheet metal
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in the thomson model, he discovered the existence of what particle? qua…
B. Electrons
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6. since the suns rays hit some parts of earth at more direct angles th…
C. all of these are correct
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why is it risky to use public wi - fi for online banking or shopping? i…
Bad actors can intercept your data.
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question 8 0.2 pts employees who terminate employment at one point in t…
A. boomerang employees
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who or what has the power to \declare war\, according to the u.s. const…
Congress
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3. bostons land is part of the ___ while the nearby ocean is part of th…
D. geosphere, hydrosphere
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a playa is a(n) __________. a. natural lake that is dry for long period…
A. natural lake that is dry for long periods of time
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what role does media play in shaping perceptions of gender and sexualit…
For the first question: Media reinforces traditional norms and stereotypes, Media challenges traditional norms and promotes inclusivity. For the second question: They intersect wi…
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what do we call stars with high surface temperature and low luminosity?…
white dwarfs
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what type of radiation is most penetrating? alpha delta beta gamma
D. Gamma
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multiple - choice question more questions about the h - r diagram. on w…
main sequence
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section 3 - light show your work for 10, 11 & 12 to get credit c = 3 x …
The frequency and wavelength of light waves are inversely proportional. ### Question 8
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stu wanted to calculate the resistance of a light bulb connected to a 4…
No, Stu's answer is not correct. The correct resistance is $8\ \Omega$ using the formula $R = \frac{V}{I}$, where $V = 4.0\ V$ and $I = 0.5\ A$.
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which of these particles was discovered first? quarks neutrons protons …
D. Electrons
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calculating voltage a toy car has a 1.5 - a current, and its resistance…
3
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how does the current in a circuit change if the resistance is doubled? …
The current is halved.
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calculate the potential difference across a 25 - ω resistor if a 0.3 - …
$7.5$
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calculating the resistance of a lamp the current flowing through a lamp…
80
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identifying the parts of ohms law. use the drop - down menu to answer t…
current
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1.4.3. reassigning variables content introduction to computer science v…
```python hero = "Josephine" print("Welcome to Planet Python, " + hero + "!") print("Congratulations, " + hero + " you are the hero!") ```
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calculating voltage rory uses a battery to power a light bulb with a re…
$1.5$
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variables - why should we care? your task in the code editor, go ahead …
```python # Change the name of the player so that it is Eliza instead of Kimani player_name = "Eliza" print("Welcome to Planet Python, " + player_name + "!") print("Congratulation…
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a wire with a resistance of 20 ω is connected to a 12 - v battery. what…
$0.6$
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question 42 (2 points) which of the following is an example of predicti…
Infrared thermography
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which of these are microsoft user account types? choose three answers. …
Limited users, Standard users, Administrative users
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identifying the quantities in ohm’s law what quantities are related by …
voltage, current, resistance