A charge, its electric field and its electric flux can propagate through this medium... conductors semi-conductors a planar mirror insulators A charge, its electric field nor its electric flux cannot propagate through in this medium... conductor sacrificial anode insulator water
Answers
A charge, its electric field, and its electric flux can propagate through conductors, semiconductors, and insulators. However, they cannot propagate through planar mirrors.
Conductors, such as metals, allow the free movement of electrons, which allows charges to flow through them. The electric field generated by a charge can extend through the conductor, influencing nearby charges. Similarly, the electric flux, which represents the flow of electric field lines through a surface, can propagate through conductors.
Semiconductors, like silicon, have properties between conductors and insulators. They can carry charges to some extent, although not as effectively as conductors. Charges can create an electric field within a semiconductor and the electric flux can propagate through it, although with some limitations.
Insulators, such as rubber or plastic, do not allow the free movement of electrons. However, charges can still create an electric field within an insulator, and the electric flux can propagate through it. Insulators have high resistance to the flow of charges.
In contrast, planar mirrors do not allow the propagation of charges, electric fields, or electric flux. They are made of materials that reflect light but do not conduct electricity. Therefore, charges cannot move through planar mirrors, and their associated electric fields and electric flux cannot propagate through them.
It's worth noting that a conductor sacrificial anode, like other conductors, allows the propagation of charges, electric fields, and electric flux, as it conducts electricity. Water, on the other hand, is a poor conductor of electricity, but charges can still propagate through it to some extent due to the presence of ions, making it a weak conductor.
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Related Questions
Part A If 5.0 L of antifreeze solution (specific gravity = 0.80) is added to 2.5 L of water to make a 7.5-L mixture, what is the specific gravity of the mixture? Express your answer using two signific
Answers
The specific gravity of the mixture is 0.867.
To find the specific gravity of the mixture, we need to calculate the ratio of the density of the mixture to the density of water.
The specific gravity is defined as the ratio of the density of a substance to the density of water. In this case, we can find the specific gravity of the mixture by calculating the ratio of the density of the mixture to the density of water.
The density of the mixture can be calculated by adding the densities of the antifreeze solution and water in the given proportions.
Let's start by calculating the density of the antifreeze solution. The specific gravity is given as 0.80, which means that the density of the antifreeze solution is 0.80 times the density of water.
Density of antifreeze solution = 0.80 * Density of water
Next, we can calculate the density of the mixture by adding the densities of the antifreeze solution and water in the given proportions.
Density of mixture = (Volume of antifreeze solution * Density of antifreeze solution + Volume of water * Density of water) / Total volume of mixture
Volume of antifreeze solution = 5.0 L
Volume of water = 2.5 L
Total volume of mixture = 7.5 L
Now, let's substitute the values into the equation:
Density of mixture = (5.0 L * Density of antifreeze solution + 2.5 L * Density of water) / 7.5 L
Since we already know that the density of the antifreeze solution is 0.80 times the density of water, we can substitute this value into the equation:
Density of mixture = (5.0 L * 0.80 * Density of water + 2.5 L * Density of water) / 7.5 L
Now, let's simplify the equation:
Density of mixture = (4.0 * Density of water + 2.5 * Density of water) / 7.5
Density of mixture = (6.5 * Density of water) / 7.5
Finally, we can find the specific gravity of the mixture by calculating the ratio of the density of the mixture to the density of water:
Specific gravity of mixture = Density of mixture / Density of water
Substituting the equation for density of mixture:
Specific gravity of mixture = ((6.5 * Density of water) / 7.5) / Density of water
Simplifying the equation:
Specific gravity of mixture = 6.5 / 7.5
Specific gravity of mixture = 0.867 (rounded to three decimal places)
The specific gravity of the mixture is 0.867.
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The table below provides information about several mineral samples that were used during an investigation.
mineral, color, streak, luster, hardness, apatite, pale, green, white, glassy, 5, halite, gray, white, glassy, 2.5, calcite, light, green, white, glassy, 3, feldspar, gray, white, glassy, 6,
Students were given a mineral sample to identify, and they made several observations about the sample. The mineral was green and made a white streak on a streak plate. It also had a glassy luster. The students were able to scratch the mineral with a sample of fluorite. Because of this, they determined that the mineral had a hardness of less than 4. The students summarized this information in the table below.
student, observations, color, green, streak, white, luster, glassy, hardness, less, than, 4,
Based on these observations, what is the identity of this mineral sample?
Apatite
Halite
Calcite
Feldspar
Answers
Answer:calcite
Explanation:
Based on these observations, Calcite is the identity of this mineral sample. Therefore, the correct option is option C among all the given options.
What is mineral?Typically created by inorganic processes, a mineral is a naturally occurring homogenous solid having a specific chemical composition as well as a highly organized atomic arrangement. About 100 of the known mineral species—the so-called rock-forming minerals—make up the majority of the known mineral species, which number in the thousands.
A mineral is different from its laboratory-produced synthetic counterparts since it must by definition develop through natural processes. Based on these observations, Calcite is the identity of this mineral sample.
Therefore, the correct option is option C among all the given options.
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6.
_____is the rate at which an object
changes position
Answers
Answer:
Velocity is the rate at which an object changes position
Wind turbines work by converting __________ energy into _________ energy.
A. Chemical, Electromagnetic
B. Potential, Kinetic
C. Kinetic, Electric
D. Electric, Chemical
Answers
Answer: C
Explanation:
The kinetic energy of the wind turns the turbine which creates kinetic energy of it's own, this rotational kinetic energy can be called mechanical energy and is used to create electricity
A coin is dropped from the top of the Tower of Pisa, 53m above the ground. What is the coin's initial velocity?
Answers
Answer:
Initial velocity U = 0
Final velocity V = 32.23 m/s
Explanation:
Given that a coin is dropped from the top of the Tower of Pisa, 53m above the ground.
What is the coin's initial velocity ?
Since the coin is dropped from the tower, the initial velocity U will be equal to zero.
Therefore, U = 0
But the final velocity V will be calculated by using the formula
V^2 = U^2 + 2gH
V^2 = 0 + 2 × 9.8 × 53
V^2 = 1038.8
V = sqrt ( 1038.8)
V = 32.23 m/s
6. A balloon gathers -0.973 μC of charge as the wind blows it directly East through
Earth's magnetic field (BE = 5.01 x 10-5 T). If the magnetic force on the balloon is
8.11 x 10-10 N West.
what is the
velocity of the balloon?
a.-16.6 m/s
c. 8.44 m/s
b. 3.95 x 10-20 m/s
d. 16.6 m/s
Answers
Answer:
Explanation:
To determine the velocity of the balloon, we can use the formula for the magnetic force on a charged particle moving in a magnetic field:
F = qvB
Where:
F is the magnetic force,
q is the charge,
v is the velocity of the balloon, and
B is the magnetic field strength.
Given:
F = -8.11 x 10^-10 N (West)
q = -0.973 μC = -0.973 x 10^-6 C (the negative sign indicates the charge is negative)
B = 5.01 x 10^-5 T
We can rearrange the formula to solve for v:
v = F / (qB)
Substituting the given values:
v = (-8.11 x 10^-10 N) / (-0.973 x 10^-6 C * 5.01 x 10^-5 T)
v ≈ 16.6 m/s
Therefore, the velocity of the balloon is approximately 16.6 m/s. Option (d) is the correct answer.
Which type of air mass forms over the ocean near the equator?
A
moist and warm
B
moist and cool
C
dry and warm
D
dry and cool
Answers
Answer:
a
Explanation:
Extremely large main sequence stars consume their fuel quickly and burn hot and bright. As they consume all their hydrogen, they become supergiants. Describe the changes that take place, in terms of luminosity and temperature, to these large main sequence stars as they exhaust their hydrogen supplies.
Answers
Answer: Their temperature decreases dramatically, but their luminosity increases only slightly.
Explanation: Edmentum answer
What are the two answeres?
Answers
Answer:
what do u mean?
Explanation:
Answer:
But where is the a Question???
Use this free body diagram to help you find the magnitude of the force F1 needed to keep this block in static equilibrium.
Answers
Static equilibrium means that all forces are equal, so to make this easiest you want to break F1 into it's horizontal and vertical components. As there are no other forces acting in the horizontal, we know the horizontal component of F1 is 40N.
What is static equilibrium ?Dynamic equilibrium is a state in which bodies are moving at a constant speed as opposed to static equilibrium, which is a state in which bodies are at rest (rectilinear motion). The total amount of forces exerted on them in both situations is zero.
When two forces are acting on an object that is in static equilibrium, it indicates that their sum is zero, which makes static equilibrium a useful analytical tool. You may create an equation to figure out the direction and strength of the unknown force if you know the direction and strength of one of the forces.
Thus, Static equilibrium means that all forces are equal, so to make this easiest you want to break F1 into it's horizontal and vertical components.
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(i) a tiger leaps horizontally from a 7.5-m-high rock with a speed of how far from the base of the rock will she land?
Answers
Free fall is the term used to describe objects moving under the weight of the earth. The acceleration in the direction of the ground caused by gravity g, is constant for all of these things, regardless of their mass.
What is gravity-induced vertical motion?Gravity-induced vertical movement Under the weight of the earth's gravity, an object thrown up will eventually return to the ground. As a matter of fact all items close to the world's surface fall with a steady speed increase of around 9.8 (we generally take 10 for straightforwardness in computation).
A vertically thrown or dropped object from a height will travel in a straight line. In the event that then again it is projected with a level speed, the movement is along an explanatory way in an upward plane. Resolving the two-dimensional motion into two distinct straight-line motions, one in the vertical direction and the other in the horizontal direction, makes it simple to analyze the motion.
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Write the formula for a partially inelastic collision and explain what all 6 variables are and the unit each is measured in. State Newton’s 3 rd Law of Motion. State the Law of Conservation of Momentum and explain it in your own way.
Answers
Answer:
i don`t get it
Explanation:
mr campbell sets off in his motor boat
Answers
Ahoy.
Avast.
Calm seas and prosperous voyage, Mr. Campbell.
Thanks for sharing.
Haul up the top sheet, and spanker.
Thar she blows.
A liquid thermometer can be used to test for fevers. When body temperature increases,
the liquid inside the thermometer expands and rises to show a higher temperature reading. Which of the following explanations below best describes the
changes in thermal energy of the particles during this specific example of heat transfer?
A. The thermometer tip is heated by radiation from the person's body. The particles of the thermometer tip then transfer heat by convection through the
liquid inside of it. The particles inside the liquid then convect heat causing the warmer particles to slow down, expand, and rise.
OB. The thermometer tip is heated by conduction from the person's body. The particles of the thermometer tip then transfer heat by convection through the
liquid inside of it. The particles inside the liquid then convect heat causing the warmer particles to slow down, expand, and rise.
OC. The thermometer tip is heated by convection with the person's body. The particles of the thermometer tip then transfer heat by conduction with the
liquid inside of it. The particles inside the liquid then conduct heat causing the warmer particles to speed up, expand, and rise.
O D. The thermometer tip is heated by conduction with the person's body. The particles of the thermometer tip then transfer heat by conduction with the liquid
inside of it. The particles inside the liquid then convect heat causing the warmer particles to speed up, expand, and rise.
hey m
Answers
Answer:A
Explanation:
Hdjfjdjfjr
A liquid thermometer can be used to test for fevers. When body temperature increases, the liquid inside the thermometer expands and rises to show a higher temperature reading, the explanation that describes the change in the thermal energy,
The thermometer tip is heated by conduction with the person's body. The particles of the thermometer tip then transfer heat by conduction with the liquid inside of it. The particles inside the liquid then convect heat causing the warmer particles to speed up, expand, and rise.
What is thermal energy?It can be defined as the form of the energy in which heat is transferred from one body to another body due to their molecular movements, thermal energy is also known as heat energy.
Conduction with the subject's body heats the thermometer's tip. The liquid inside the thermometer is subsequently heated by conduction between the particles of the thermometer tip. The warmer particles then accelerate, expand, and ascend as a result of the heat convecting through the liquid's particles.
Thus, the correct answer is option D.
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is newton third law accurate for electric forces?
Answers
An object with greater charge will exert a greater force on an object than an object with smaller charge would. However, if you consider two charges that exert a force on each other, regardless of the magnitude of charge, both charges will exert an equal force on each other because of Newton's third law.
(8th grade HELP)
1. Inertia causes a stationary object to...
a.stay still
b.move
c.have an increased velocity
d.change it’s speed or direction
2. Once an applied force causes an object to start moving, the object keeps moving because....
a.none of the above
b.the force continues to be applied to it
c.no other force is acting on it
d.it has inertia
Answers
collision
A ball p of mass 0. 25kg, loses one-third of
its velocity when it makes a head-on-collision
with an identical ball Q at rest. After the
Collision, Q moves off with a speed of 2m/s in the
Original direction of P. Calculate the initial
velocity of P.
Answers
After the collision, Q moves off with a speed of 2m/s in the original direction of P, therefore the initial velocity of P is 3 m/s.
What is the initial velocity?The initial velocity is the velocity of an object at the beginning of its motion.
The initial velocity of ball P can be calculated using the conservation of momentum. Momentum is a vector quantity that is equal to the mass of an object multiplied by its velocity. It is conserved in collisions, meaning that the total momentum of all objects before the collision is equal to the total momentum of all objects after the collision.
The momentum of P before the collision is equal to the mass of P multiplied by its velocity (0.25 kg x vP). The momentum of Q before the collision is equal to the mass of Q multiplied by its velocity (0.25 kg x 0 m/s). The total momentum before the collision is therefore equal to 0.25 kg x vP.
After the collision, the momentum of P is equal to the mass of P multiplied by its velocity after the collision (0.25 kg x vP/3). The momentum of Q after the collision is equal to the mass of Q multiplied by its velocity after the collision (0.25 kg x 2 m/s). The total momentum after the collision is therefore equal to 0.50 kg x 2 m/s.
By equating the total momentum before and after the collision, we can calculate the initial velocity of P.
0.25 kg x vP = 0.50 kg x 2 m/s
vP = 8 m/s
Therefore, the initial velocity of ball P is 8 m/s./s
vP = 8 m/s
Therefore, the initial velocity of ball P is 8 m/s.
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suppose you were hired to build a dam. what features would you look for in a site? be sure to consider the impact on living things as well as the physical characteristics of the site.
I need to get it done right now
Answers
Answer: The wall and base
Explanation:
At which position is the northern hemisphere experiencing winter?
The image includes the position and tilt of Earth in its orbit around the sun. Earth is tilted away from the sun in position A. In position B, the sun shines evenly on Earth from pole to pole. Earth is tilted toward the sun in position C. In position D, the sun shines evenly on Earth from pole to pole.
Public Domain
Point A
Point B
Point C
Point D
Answers
When the Earth has tilted away from the sun, as seen in position A in the figure, the northern hemisphere experiences winter.
The northern hemisphere is tilted away from the sun at this position, receiving less direct sunshine and experiencing cooler temperatures.
In contrast, the southern hemisphere is inclined towards the sun and experiencing summer.
The Northern Hemisphere is the portion of the globe north of the Equator. It comprises the majority of North America, Europe, Asia, and parts of Africa. Because of the tilt of the Earth's axis relative to the plane of its orbit around the sun, the Northern Hemisphere experiences various seasons throughout the year.
Summer occurs when the Northern Hemisphere is oriented towards the sun, while winter occurs when it is slanted away from the sun. Spring and fall are the two seasons that fall between the extremes of summer and winter.
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What is the influence of heredity on personality?
Answers
Heredity, also known as genetics, can influence personality traits in several ways.
Firstly, genetics can influence the temperament of an individual, which refers to their innate and consistent patterns of emotional reactivity and self-regulation. Some people are naturally more reactive and emotional, while others are more calm and more relaxed. These differences can be partially attributed to genetic factors.
Secondly, genetics can also play a role in determining certain personality traits, such as extraversion, agreeableness, and conscientiousness. Studies of identical twins, who share 100% of their genes, have shown that these traits are more similar between identical twins than between fraternal twins or non-twin siblings, who share only 50% of their genes on average.
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During a race, a horse's speed increases from 65 m/s to 73 m/s during the last 5.0 seconds of that race What was the rate of acceleration during this time?
Answers
Answer:
1.6m/s²
Explanation:
It was difficult to type the answer here
During a race, a horse's speed increases from 65 m/s to 73 m/s during the last 5.0 seconds of that race, 1.60 m/s² was the rate of acceleration during this time.
What do you mean by an acceleration ?The rate of change of velocity is defined as acceleration. Acceleration usually indicates that the speed is changing, but this is not always the case. When an object moves in a circular path at a constant speed, it is still accelerating because its velocity direction changes.
Acceleration occurs when the speed of an object increases or decreases, or when it changes direction. Acceleration, like velocity, has two types: average and instantaneous.
a = v - v₀ / t
Then, a = 73 × 65 / 5
a = 1.60 m/s²
Thus, 1.60 m/s² was the rate of acceleration during this time.
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Axial resolution is defined as the distance between the dots if measured ______ on the screen.
A. in terms of brightness
B. horizontally (side to side)
C. vertically (up and down)
D. in terms of the thickness of the scanning plane
Answers
Axial resolution is defined as the distance between the dots if measured C. vertically (up and down) on the screen.
In medical imaging, such as ultrasound or CT scans, axial resolution refers to the ability to distinguish two closely spaced structures along the direction of the imaging beam, typically the depth or vertical axis. It is a measure of the system's ability to resolve objects that are positioned at different depths within the body.
The dots mentioned in the question represent the image representation of different structures or points within the body. The axial resolution is determined by the characteristics of the imaging system and is quantified by the minimum distance between two distinct points along the vertical axis that can be resolved as separate entities on the screen.
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Which force(s) drive(s) water circulation in the deep ocean?
Choose all that apply.
wind
differences in water pH
differences in water temperature
differences in water salinity
differences in water density
Answers
A car has a mass of 1000 kg. It is driving to the right.
Draw a free body diagram showing the forces acting on it.
Find it’s weight on Earth.
How do I even draw a body diagram? Please help.
Answers
Answer:
Explanation:
What is a free body diagram?
Answer: a force diagram is a graphical illustration used to visualize the applied forces and resulting reactions on a body in a given condition
Drawing a free-body diagram for this problem
Answer: Look at the attached picture, ask me any questions if you are still confused. It is a little messy since I didn't have my pen.
Find its weight on Earth
Answer: The weight is dependent on the mass of the object and the gravitational constant on the planet. The gravitational constant, in this case, is 9.8.
so the weight = mass * gravitational constant = m * g = 1000 * 9.8
= 9800 N
Hope that helps!
Protons and neutrons are located in the nucleus of the atom.
Please select the best answer from the choices provided
T
F
Answers
Answer:
True
Explanation:
The nucleus contains all of the mass of the atom. Almost all of the mass of the atoms is made up of protons and neutrons.
Answer:
both the neutrons and protons are located in the nucleus of an atom.
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A wave with a frequency of 5.6 Hz is created in an
elastic rope. The diagram below represents a
snapshot of the wave at a given instant of time.
Determine the speed of the wave (in meters/second).
6.8 m
15.9 m
Answers
15.9 meters per second is the wave's speed of frequency . The wave's length was 510/2 meters.
How would you determine a wave's frequency using a formula?The equation f=v f = v can be used to determine the frequency of a wave if the wavelength and speed of the wave are known, where is the wavelength in meters and v is the speed of the wave in m/s. Additionally, this provides the wave's frequency in Hertz.
What does the number 5Hz mean?infrasonic Low-frequency sound, often known as infrasound, is sound that is audible to humans only up to a frequency of 20 Hz, or cycles per second. Thus, 5 Hz is infrasonic.
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Milk of magnesia is a slippery, bitter-tasting white substance that is commonly used as a laxative. If the pH of milk of magnesia is between 10 and 11, it can best be described as a
Answers
Answer:
a moderate base
Explanation:
Milk of magnesia is popularly known as magnesium hydroxide. Magnesium hydroxide Mg(OH)₂ is used as an anti-acid in toothpaste and medically as a mild laxative.
Its pH values range between 10- 11 on the pH scale.
A solution with pH value of 7 is neutral(i.e. neither acidic nor basic.
A pH value which is less than 7 is acidic while a pH value greater than 7 is basic.
For a pH value between 12 -14 on the pH scale is said to be a strong base.
Since Milk of magnesia Mg(OH)₂ pH values ranges between 10- 11 on the pH scale, it is known to be moderately basic.
Which two figures are used to
determine the average speed?
Answers
A traffic-safety engineer is designing a deceleration lane. She is basing the length of
this lane on the distance needed to slow down from 126 km/h to 65 km/h in 8.5 s.
How long should the deceleration lane be?
Answers
The deceleration of the car is observed as 2 m/s^2.
What is deceleration?The term deceleration has to do with the decrease of velocity with time.
Given that;
v = 65 km/h or 18 m/s
u = 126 km/h to or 35 m/s
t = 8.5 s
a = ?
v = u - at
18 - 35 = -8.5a
a = 18 - 35/-8.5
a = 2 m/s^2
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Describe a situation in a basketball game when a player has alot of potential energy
Answers
A situation in a basketball game where a player has a lot of potential energy is during a jump shot.
When a basketball player jumps to take a shot, their body gains potential energy due to their height above the ground. This potential energy is stored in the player's muscles as they prepare to release the ball towards the basket.
The higher the jump, the more potential energy the player has, which can translate to a more forceful and accurate shot. As the player releases the ball and it begins to move towards the basket, the potential energy is converted into kinetic energy. The kinetic energy of the ball is then used to score a basket if it goes through the hoop.
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