Physics
Kinematics, force analysis, electricity, and equation-driven reasoning.
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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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purpose - to calculate the density of the five blocks in this phet simu…
f) materia g) espacio h) restar; final
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which of the following lakes is the largest lake in africa, the worlds …
C. Lake Victoria
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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
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match the cable names to their correct images. port names displayport v…
DisplayPort - Picture 2, VGA - Picture 3, HDMI - Picture 1
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loans from banks money given by the federal government to states for sp…
Question 25: B. Executive Branch Question 26: A. Legislative Branch
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name & science #: marsha date: determination of microscopic measurement…
\(240000\ \text{μm}\) (\(2.4\times 10^{5}\))
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part 5: trials table - data interpretation use the table below to answe…
1. The average speed of Object A is 5 m/s and the average speed of Object B is 5 m/s. 2. Neither object has a higher average speed. 3. They are equally fast, difference in speed i…
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determining the effect of voltage and resistance on electric current us…
An increase in voltage results in an increase in current. An increase in resistance results in a decrease in current.
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the court case plessy v. ferguson challenged the legality of poll taxes…
racially - segregated train cars
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speed & average speed practice worksheet - 7th grade part 1: vocabulary…
1. Distance 2. Time
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pregunta 1 de 10 ¿qué característica de seguridad funciona para ralenti…
A. Barras de control
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¿cuál de estas describe una similitud entre la energía nuclear y los co…
D. A medida que ambos combustibles experimentan reacciones, se libera calor, que se utiliza para realizar trabajo.
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in a closed system, an object with a mass of 10 kg moves at a velocity …
12 kg - m/s
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pregunta 1 de 10 ¿cuál de estas opciones describe una razón por la cual…
D. Es importante utilizar energía 'verde' para proteger nuestro medio ambiente.
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pregunta 1 de 10 ¿cuál de estos es un desafío relacionado con las reacc…
# Breve Explicación: La fusión nuclear requiere condiciones extremas de temperatura y presión para que los núcleos atómicos se fusionen. Crear un entorno donde esto ocurra de form…
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one object is traveling northeast with a momentum of 12 kg - m/s, while…
8 kg - m/s northeast
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cuando un núcleo absorbe un neutrón y luego se fragmenta, se producen m…
D. Uranio - 235
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a football kick returner catches the ball just as a player from the opp…
130 kg - m/s
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durante un terremoto, el sistema de enfriamiento de una reacción nuclea…
C. Un colapso
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take a look 18. explain how does static electricity build up in clouds?
Clouds contain water droplets and ice crystals. Friction and collision during their movement transfer electrons, separating charges. Positive charges move to the top and negative …
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la moderación de neutrones se utiliza para contrarrestar: a. la posibil…
B. La baja concentración de uranio - 235 en la naturaleza.
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newtons cradle is a contraption where metal balls hang from a frame. wh…
friction force
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pregunta 1 de 10 las reacciones de fisión nuclear en cadena no ocurren …
B. Enriquecimiento
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a car is moving towards a person at 0.02 km/s. the speed of light is 30…
B. 300,000 km/s
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question 36 (2 points) which of the following is a sustainability initi…
LED lighting retrofits
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en una central nuclear, los trabajadores usan ropa protectora y dosímet…
DO. contener la radiación.
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question 13 (1 point) listen which of the following does not describe t…
(13) a system that controls skeletal muscle (14) sympathetic division (15) parasympathetic division
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two workers are pushing on the same large crate. one worker pushes east…
D. 855 N to the north and 795 N to the east
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pregunta 1 de 10 un neutrón en movimiento libre es absorbido por el núc…
DO. El átomo se vuelve inestable y se desgarra.
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part 3. solve the problems show your work for each question. 1. a car t…
1. 60 miles per hour 2. 8 meters per second 3. 60 miles per hour 4. $\frac{1}{15}$ km per minute 5. 400 miles per hour
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question 35 (2 points) which sector often uses infection control protoc…
B. Healthcare
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unit 4 review quiz question 10 (1 point) planning, motivation, and soci…
(Question 10) B. Frontal lobe (Question 11) A. Limbic system (Question 12) Sensory receptor → afferent nerve fiber → interneuron → efferent nerve fiber → gland
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reading check 17. define what is electric discharge?
Electric discharge is the release and flow of electricity through a medium in an electric field, often involving charged - particle movement.
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use the equation of motion to answer the question. $x = x_0 + v_0t+\fra…
11 m
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which two values would likely be equal for the object during the times …
mass