In addition to friction and the pressure-gradient force, the other force which is influential in the control of wind on earth is Coriolis force.
What is Coriolis force?
The wind's direction is influenced by how the earth rotates on its axis. The Coriolis force is what is known as. It significantly affects the wind's direction of movement.
The pressure gradient force causes winds to cross isobars at right angles, however because of the rotation of the planet, winds are diverted from their intended course.The Coriolis effect, often known as the Coriolis force, is a deviation caused by the rotation of the earth.
As a result, according to Farrell's Law, winds in the northern hemisphere are diverted to the right of their route, whereas those in the southern hemisphere are diverted to the left. The air does not appear to have a deflection force until it is moved, and it grows with wind speed, air mass, and latitude.
In low-pressure locations, the wind blows around it because the Coriolis force and the pressure gradient force operate in opposition to one another. The pressure gradient force is perpendicular to an isobar (cyclonic conditions).
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a fluid exerts an upward buoyancy force on an object immersed in it. in the derivation the buoyancy force exerted on an object by the fluid was ignored but in some instances where the density of the object
Buoyancy is described as follows: "A body experiences an upward force when it is partially or entirely submerged in a fluid. The ability of fluids to pull objects submerged in them upward is known as buoyancy.
An object submerged in a fluid experiences buoyancy force, which pulls it upward. The force that a fluid exerts on an item was disregarded in the calculation of buoyancy.
The buoyancy formula can be calculated as,Fb = Vρg
V is the volume of fluid which displaced by the object , Fb buoyant force,
ρ is the density, and g is the acceleration due to the gravity.
The buoyant force causes things submerged in fluids to experience buoyancy. Therefore, the unit of buoyancy and the unit of force are the same. The SI system of units uses newtons to measure buoyancy (N).You cannot, however, ignore the buoyancy force in some circumstances where the object's density is only marginally higher than the fluid's density.
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Why must microwave towers generally be spaced no more than 30 miles apart to ensure the transmitter and receiver are able to have line-of-sight of each other?.
The distance between stations can only be greater than the visual horizon, or between 30 and 50 miles, due to the requirement of a line of sight (48 to 80 km). The second reason is because, quite surprisingly, microwave networks may have lower latency than fiber, as we have already hinted at.
What is the purpose of a microwave tower?A physical transmission tool called a microwave antenna is used to send microwave signals between two or more places. Antennas are used for radio astronomy, electronic warfare, and broadcasting in addition to other applications.
What function does the microwave antenna serve in the mobile tower?A key system component that enables a microwave system to send and receive data between microwave sites is a microwave antenna. They are typically found at a tower's summit.
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Although ________ satellites are the most expensive to build and launch, they also have the longest orbital life of many years.
Medium Earth Orbit Satellites are the most expensive to build and launch but have the longest orbital life.
A medium Earth orbit Satellites(MEO) is an Earth-centered orbit that is between 1,243 and 22,236 miles (1,243 km) above sea level and is higher than a low Earth orbit (LEO) but lower than a high earth orbit (HEO).
In contrast to the boundary between MEO and LEO, which is an arbitrary altitude determined by recognized practice, the boundary between MEO and HEO is the specific altitude of a geosynchronous orbit, in which a satellite circles the Earth once every 24 hours, or one full revolution of the Earth. All MEO satellites have orbital periods that are fewer than 24 hours, with the shortest periods (for circular orbits at the lowest MEO altitude) being under 2 hours. Solar radiation pressure, which affects satellites on MEO orbits,
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what is the angular momentum lcm of the system before the collision, with respect to the center of mass of the final system?
The exact point of an object measured from all its edge.
What is center of mass?
the center of mass of a distribute of mass in space is the unique point where the weighted relatively position of the devided mass sums to 0. This is a point to which a force of may be applied to cause of a linear acceleration it without an angular acceleration.
Most of the time (not everytime)the centre of mass of an object lies within the object itself.
Eg-the center of mass of a ball in middle of a ball and the centre of mass of a copy is middle of a copy.
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A series lr circuit contains an emf source of 14 v having no internal resistance, a resistor, a 34 h inductor having no appreciable resistance, and a switch. If the emf across the inductor is 80% of its maximum value 4. 0 s after the switch is closed, what is the resistance of the resistor?.
The resistance of the resistor is 394.36ohms.
What is meant by resistance of the resistor ?A resistor's job is to oppose the flow of electricity through it. The Greek uppercase letter omega, or ohm, stands for this and is used to measure electrical resistance.
The ohm () is the symbol for resistance, which is denoted by the letter R. A device created to produce resistance is called a resistor. Resistors can be used to divide voltage, limit current, or produce heat.
In a LR circuit, voltage for a resistor in function of time is given by:
V(t) = ∈ . e[tex]^{-t L/R}[/tex]
ε is emf
L is inductance of inductor
R is resistance of resistor
After 4s, emf = 0.8*19, so:
0.8 × 19 .e [tex]^{-4 22/R}[/tex]
0.8 = e [tex]^{-88 /R}[/tex]
In(0.8) = In (e [tex]^{-88/R}[/tex])
In (0.8) = - 88/R
R = - 88/In(0.8)
R = 394.36
In this LR circuit, the resistance of the resistor is 394.36ohms.
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water is to be pumped to the top of the empire state building, which is 1200 ft high. what gauge pressure is needed in the water line at the base of the building to raise the water to this height?
The gauge pressure needed to water line the base is 3.58 × [tex]10^-^6[/tex] Pa
What is gauge pressure ?The pressure measured in relation to the surrounding atmospheric pressure is known as gauge pressure. A diaphragm sensor can be used to measure gauge pressure, with one side of the diaphragm exposed to the pressure medium that has to be measured and the other exposed to the surrounding atmospheric pressure.
The most popular technique for determining pneumatic pressure is gauge pressure. It is the system's compressed air's relative pressure. Depending on whether the gauge pressure level is above or below the reference atmospheric pressure, it can either be positive or negative.
P = rho x g xh
= 1000kg/m3 x 9.8 N/kg x 1200 ft
= 1000kg/m3 x 9.8 N/kg x 365.76 m
= 3584448 Pa
= 3.58 × [tex]10^-^6[/tex] Pa
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Which type of reaction produces energy and intensely radioactive waste products?.
a) Fission of Uranium is a type of reaction that produces intensely radioactive waste products.
In the field of physics, such a reaction in which a large radioactive atom is broken such that smaller atoms are produced from it is referred to as a fission reaction.
Uranium is an example of a radioactive element that is large and can split into smaller radioactive components. However, as it is a radioactive splitting, vigorous radioactive waste products are produced when an atom of uranium is split. This reaction will be referred to as uranium fission.
Although a part of your question is missing, you might be referring to this question:
Which type of reaction produces energy and intensely radioactive waste products?
a) fission of Uranium
b) fission of Aluminium
c) fusion of Uranium
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an electron moves with velocity v in a direction opposite to the direction of the current in the neighboring long wire. what is the direction of the magnetic force acting on the electron?
An electron moves with velocity v in a direction opposite to the direction of the current in the neighboring long wire the direction of the magnetic force acting on the electron is perpendicular.
We can don't forget this diagram the use of the proper-hand rule. If you factor your pointer finger withinside the course the superb price is transferring, after which your center finger withinside the course of the magnetic area, your thumb factors withinside the course of the magnetic pressure pushing at the transferring price.
The magnetic pressure on a current-wearing cord is perpendicular to each the cord and the magnetic area with course given via way of means of the proper hand rule.Moving electric powered costs produce magnetic fields. F = qv × B. The pressure F is perpendicular to the course of the magnetic area B. It is also perpendicular to the course of the rate v.
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unless otherwise stated in the nec, rules affecting conductors are based on which type of conductors?
Rules affecting conductors are based on Copper and aluminum conductors.
Basically, conductors are the material that is used for the flow of current.
The main reason behind this is free electrons. All the conductors contain large no of free electrons in them which help in the flow of current from one point to another point. Copper and aluminum are the materials that are used as a conductor because they contain large numbers of free electrons and the cost of these materials is also not that much higher as compared to other conductors. Copper and aluminum conductors are easily available materials. Conductor size and area of the materials are also matters which is predefined by the National Electrical Code (NEC). According to the rules of NEC, materials are selected as a conductor. Rules affecting conductors are based on Copper and aluminum conductors.
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The volume of oxygen consumed (in liters per minute) while a person is at rest and while he or
she is exercising (running on a treadmill) was measured for each of 50 subjects. The goal is to
determine if the volume of oxygen consumed during aerobic exercise can be estimated from the
amount consumed at rest. The results are plotted below.
In this study, the response variable is
A) the volume of oxygen consumed at rest.
B) the volume of oxygen consumed while running.
C) the volume consumed at rest or while running. It doesn't matter which is
considered the response.
D) the measuring instrument used to measure the volume consumed.
The results is the volume of oxygen consumed at rest.
What is aerobic exercise?
Exercise of a modest to high intensity that largely relies on the aerobic energy-generating mechanism is known as aerobic exercise (also known as cardio). The term "aerobic" relates to the usage of oxygen to sufficiently meet energy demands during exercise and literally means "related to, involving, or requiring free oxygen".
What is volume?
Volume, which is measured in cubic units, is the area in three dimensions that matter occupies or that is encircled by a surface. The cubic meter (m3), a derived volume unit, is the SI unit of measurement.
In this study, the explanatory variable is:
the volume of oxygen consumed at rest.
Option a) is correct.
independent or explanatory variable is determined from x axis of scatterplot.
Therefore, Option a) is correct, the volume of oxygen consumed at rest.
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when astronomers say that ganymede is a differentiated body, they mean that it:
The Galileo spacecraft of NASA made the revelation that Ganymede is the only moon known to have its own magnetic field in 1996.
What is gaymede?
Around the moon's north and south poles, the magnetic field produces auroras, which are ribbons of blazing, hot, electrified gas.
Because Ganymede is so close to Jupiter, its magnetic field is contained within or incorporated in that of the planet.
The auroras on Ganymede shift along with Jupiter's magnetic field, "rocking" back and forth.
A group of scientists lead by Joachim Saur of the University of Cologne in Germany had the idea to use the Hubble space telescope to learn more about the interior of the moon while observing the rocking motion of the two auroras.
Therefore, The Galileo spacecraft of NASA made the revelation that Ganymede is the only moon known to have its own magnetic field in 1996.
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a mass is hanging from the ceiling by a spring and is oscillating in simple harmonic motion. which of the following will decrease its frequency of oscillation?
The following will decrease its frequency of oscillation The period is reduced to one-half of what it was.
Mass also affects the oscillation period. For example, a stiff spring with constant mass will oscillate for a short period, while increasing mass will oscillate for a long period. Using stiffer springs increases the frequency of the vibrating system.
Adding mass to a system lowers its resonant frequency. More mass means more inertia so you get more periods and this is also affected by the spring constant. The greater the spring constant the greater the force of the spring and thus the shorter the time.
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q2. an object moves in a straight line at a constant speed. is it true that there must be no forces of any kind acting on this object? explain.
It is not true there must be no forces acting on an object that moves in a straight line at a constant speed. All forces act on an object in balanced.
If an object moves in a straight line at a constant speed it means the object has uniform motion. According to Newton's first law if the forces that act on an object in balanced (∑F = 0) so there are two condition
If the object is at rest, it will stay at rest.If the object is in motion, it will stay in motion with a constant speed in a straight line.So there must be forces acting on an object. But, all forces work in balanced.
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A gymnast of mass 66.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81m/s2 for the acceleration of gravity.
Part A:
Calculate the tension T in the rope if the gymnast hangs motionless on the rope. Express your answer in newtons.
Part B:
Calculate the tension T in the rope if the gymnast climbs the rope at a constant rate.
Express your answer in newtons.
Part C:
Calculate the tension T in the rope if the gymnast climbs up the rope with an upward acceleration of magnitude 1.50 m/s2 .Express your answer in newtons.
Part D:
Calculate the tension T in the rope if the gymnast slides down the rope with a downward acceleration of magnitude 1.50 m/s2 .Express your answer in newtons.
The tension in the following parts are:
Part A : T = 647.46 N
Part B: T = 647.46 N
Part C : T = 746.46 N
Part D : T = 548.46 N
Given mass = 66 kg
and the acceleration is 9.81 m/s^2
Part A ; The tension in the rope if the gymnast hangs motionless on the rope is :
T = ma
T = 66 × 9.81
T = 647.46 N
Part B ; tension T in the rope if the gymnast climbs the rope at a constant rate is :
T = 66 × 9.81
T = 647.46 N
Part C : the tension T in the rope if the gymnast climbs up the rope with an upward acceleration of magnitude 1.50 m/s2
here acceleration is 1.50 m/s^2
T = ma + mg
T = 66 × 1.5 + 66 × 9.81
T = 746.46 N
Part D : the tension T in the rope if the gymnast slides down the rope with a downward acceleration of magnitude 1.50 m/s2
T = mg - ma
T = 647.46 - 99
T = 548.46 N
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How did dark matter contribute to the formation of galaxies?.
The gravitational pull of dark matter led to the formation of protogalactic clouds.
Computer models created by scientists to understand how galaxies form show that galaxies form when dark matter coalesces and condenses. Dark matter is invisible matter, and the total mass of the universe is about five times that of normal matter. Scientists believe that dark matter may be responsible for the unexplained movements of stars within galaxies.
Computers play an important role in dark matter data exploration. This allows scientists to create models that predict the behavior of galaxies. Satellites are also used to collect dark matter data. Without dark matter radiation would keep the galactic structure from clumping together for too long essentially wiping it out, and keeping the universe smooth and homogeneous. Our solar system and galaxies are essential to our lives.
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T/F travis and craig are both standard users on the newtork each user has a folder on the network serve r that only they can access
The statement "travis and craig are both standard users on the network each user has a folder on the network serve r that only they can access" will be true.
This situation describes the result of a successful privilege escalation attack. If a user is able to access content that should only be accessible to a different user, it is obvious that a privilege escalation attack has occurred.
Social engineering attacks involve stealing information or convincing someone to perform an inappropriate activity via email, phone, or in person.
A cyberattack called a "privilege escalation attack" aims to break into a system with privileged access without authorization. Attackers take advantage of user error, flawed design, or operating system or web application oversights.
An effective privilege escalation attack would produce the situation described here. A privilege escalation attack has undoubtedly taken place if a user has access to information that should only be available to another user.
Therefore, the given statement will be true.
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it is often recommended that you let your car engine run idle to warm up before driving, especially on cold winter days. while the benefit of prolonged idling is dubious, it is certainly true that a warm engine is more fuel efficient than a cold one. explain the reason for this
It is certainly true that a warm engine is more fuel efficient than a cold one and it is because the engine warms up to an efficient temperature faster than a cold one.
What is Engine?This is also referred to as motor and is known as a machine which is designed or set up to convert one or more forms or types of energy into mechanical energy.
In the case of a warm engine , there is usually more fuel efficiency than a cold one when compared which is because engine warms up to an efficient temperature faster thereby saving fuel in the vehicle or machine involved.
This is therefore the reason why it is often recommended that you let your car engine run idle to warm up before driving, especially on cold winter days thereby making it the correct choice.
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1. find the correlation between the eeg signal and a 15 hz sinusoid and a 25 hz sinusoid. is the eeg signal more similar to a 15 hz sinusoid or a 25 hz sinusoid?
The correlation between an EEG signal and a 15 Hz sinusoid and a 25 Hz sinusoid can be determined by calculating the cross-correlation of the signals.
What is correlation?
Any statistical relation between different random variables as well as bivariate data, whether causal or not, is referred to in statistics as correlation or dependence. Although "correlation" can mean any kind of association inside the broadest sense, in statistics it typically refers to the strength of a pair of variables' linear relationships. Examples of common dependent phenomena also include relationship between parent and child height and the relationship between a good's price and the number of units consumers seem to be willing to buy, as shown in the as such demand curve.
The higher the correlation, the more similar the signals are. Therefore, the EEG signal is more similar to the sinusoid with the highest correlation.
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An electronic cover letter should be _____.a.colorful and flashyb.simple and basicc.long and boringd.messy and brief
An electronic cover letter should be simple and basic.
An electronic cover letter should be written simple and straightforward. It also should be persuasive. In other words, it should make a compelling argument for a company to recruit you. It should use a "you" approach, describing how your history, experience, and personal attributes might benefit the organization. Many writers are hesitant to use the word "I" in a cover letter.
In addition, your cover letter's body paragraphs should convey your unique interest in the electrician position. It should also express your gratitude and respect for the employing company. Explain why you want this job and why it is a good fit for you. Then, briefly describe your relevant achievements.
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a 2 kg ball is revolving 35 times per minute around a circle with a 25 cm radius. what is the centripetal force?
The centripetal force acting on the ball revolving 35 times per minute around a circle with a 25 cm radius is 1.68 N
What is centripetal acceleration?
The characteristic of an object's motion when it travels along a circular-path is known as centripetal acceleration. Centripetal acceleration is the term for any moving object whose acceleration vector is directed toward the center of the circle.
The following informations are given in the question,
mass of the ball, m = 2kg
radius of the ball, r = 25 cm
= 0.25 m
time, t = 60 seconds
No of revoutions completed by the ball = 35
We know, Velocity = (No of revolutions x 2 π r )/t
= 35 x 2 x π x 0.25/ 60
= 0.46 m/s
The acceleration is, a = v^2/r
= 0.46 x 0.46/0.25
=0.84 m/s^2
The required centripetal force = 2 x 0.84
= 1.68 N
Hence, the Centripetal force is 1.68 N
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a mechanical high-speed bat is flying along a path perpendicular to a wall. it emits a sound with a frequency f0 . the night is clear and the air is still. let the speed of sound waves in the still air be vs . the bat hears a sound wave reflected from the wall with a frequency fnew . from this information one can determine the speed vbat at which the bat is flying. install a detector at the wall.
The speed vbat at which the bat is flying is vbat = (1/5) * vs
What is the frequency?
The frequency of a repeating event is its number of instances per unit of time. In some cases, it is also referred to as temporal frequency or ordinary frequency to emphasize differences between spatial and angular frequencies, respectively.
Observed frequency f = (v + vr) * f0 / (v + vs)
given speed of sound v = vs
speed of receiver vr = 0
speed of source vs = - vbat ( - ve as the bat is approaching the wall)
a. 1. f1 = (vs/(vs − vbat))*f0
b. for the bat the wall is emitting waves at f1
fnew = {(vs + vbat) / vs} * f1
7. fnew = (vs + vbat/(vs))*f1
c. fnew = {(vs + vbat) / vs}*f1
= {(vs + vbat) / vs} * {vs/(vs − vbat)}*f0
(3/2) * f0 = (vs + vbat) / (vs - vbat) * f0
3 * vs - 3 * vbat = 2 * vs + 2 * vbat
=> vbat = (1/5) * vs
4. vbat = (1/5) * vs
Hence, the speed vbat at which the bat is flying is vbat = (1/5) * vs
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A child buys a top composed of a thin uniform cylinder and a broad uniform disk. the 13.3 g cylinder has a total length of 6.80 cm. the 42.0 g disk has a radius of 2.30 cm, and its center of mass is located a distance of 1.77 cm from the tip at the bottom of the thin cylinder. the child places the top on its pedestal and gives it an angular speed of 108 rad/s. when she turns to show her parents, she accidentally bumps the top, which begins to precess about a vertical axis through the point where the top contacts the pedestal. as the top precesses, it makes an angle phi=24.4∘ with the vertical axis. determine the precessional angular speed ????p of the top. use ????=9.81 m/s2 for the acceleration due to gravity, and assume that the moment of inertia of the thin cylinder is negligible.
The precessional angular speed Wp of the top while assuming that the moment of inertia of the thin cylinder is negligible is 11.23 rad/s.
What is moment of inertia?In physics, quantitative measure of the rotational inertia of a body. It resists rotational motion and hence called moment of inertia and not moment of force.
How to calculate the precessional angular speed of Wp of the top?
Mass of cylinder, m = 13.3g
Length of the cylinder Lcyl = 6.8cm
The mass of the disk, M = 42g
The radius of the disk, Rdisk = 2.3cm
The center of mass is located at distance, dcom = 1.77cm
The angular speed of the top, w = 108 rad/s
The moment of inertia of the disk
I = 1/2 MRdisk^2
= 1/2 * 42 * 2.3^2
= 111.09 g cm^2
= 111.09 * 10^-3 * 10^-4 kg m^2
I = 1.11 * 10^-5 kg m^2
The moment of inertia is developed in the disk when it is rotating.
The precessional angular speed of the top formula is
Wp = Rdisk (M +m) *g / I*w
= 2.3 * 10^-2 * (42 * 10^-3 + 13.3 * 10^-3) * 9.8 / 1.11 * 10^-5 * 100
= 11.23 rad/s
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following long term potentiation, does the same amount of neurotramsitter relase from the presynatpic neuron cause an increased responsed in the postsynaptic neuron
A substantial body of research has shown that the main neuromodulatory neurotransmitters dopamine (DA), norepinephrine (NE), and acetylcholine (ACh) affect LTP magnitude at the cellular level.
After long-term potentiation has taken place, what happens?There are more AMPA receptor sites present when long-term potentiation takes place, but the presynaptic neuron also appears to undergo long-lasting modifications. After the long-term potentiation has been established, the terminal buttons of the neurons involved release more neurotransmitter.It is believed that a key mechanism underlying learning and memory is long-term potentiation (LTP) of synaptic effectiveness. A substantial body of research has shown that the main neuromodulatory neurotransmitters dopamine (DA), norepinephrine (NE), and acetylcholine (ACh) affect LTP magnitude at the cellular level.To learn more about Long-term potentiation refer to:
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Professor bloom discusses an example where two squares appear different colors although they are the same. What is the explanation for this bias?.
Our brain compensates when we see two squares far away from one another
What is the reason for seening different colors ?Surprisingly, the answer is that squares A and B are the same color, but that your perception of them as different is based on the information about the surrounding colours and shadows.
Professor Bloom claims that this bias results from the brain trying to make up for two squares that are far apart, which he claims is the reason why two squares appear to have different colours when they are actually the same.
Because they absorb some colours (wavelengths) while reflecting or transmitting others, objects appear to be different colors. Our perception of colour is based on the wavelengths that are reflected or transmitted.
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g why are the electric field lines of force perpendicular to the surfaces of conductors in an electrostatic situation?
The electric field lines of force perpendicular to the surfaces of conductors in an electrostatic situation because the electric field is created by the movement of electrons in the conductor. Electrons move in a plane perpendicular to the surface of the conductor, so the electric field is also perpendicular to the surface.
Electric field lines are the imaginary lines which gives the exact idea of electric field.
They are always perpendicular to the surface because according to electrostatics the charges should be at rest but if the electric field lines are not normal then there would be a component of force that would cause the unbalanced force which is absurd in electrostatics.Due to the unbalanced nature of this force, surface currents, or the movement of charges, will be executed so to prevent this situation the electric field must emerge perpendicular to surfaces.
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the horse's center of gravity is not exactly in its middle; it is closer to its front hooves. what does this tell us about the force exerted by the front and back hooves at equilibrium?
At equilibrium, the forces exerted by the front and back hooves must be equal, but the force exerted by the front hooves will be slightly greater than that of the back hooves.
What is equilibrium?
Chemical equilibrium refers to the situation inside a chemical reaction where both the reactants are present at levels that have no further habit of changing over time, preventing any discernible change in the system's properties. Whenever the forward reaction and the reverse reaction move forward at the same speed, this condition results. The forward as well as backward reactions typically have equal, if not zero, reaction rates. The concentrations of a products and reactants do not change on a net basis as a result. Dynamic equilibrium is the name given to such a situation.
This is due to the fact that the horse's center of gravity is closer to the front hooves, and thus the front hooves must exert a greater force in order to keep the horse balanced.
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What do you predict would happen if you brought a negatively charged balloon next to an uncharged piece of paper?.
Answer:
The paper will be attracted to the balloon.
Explanation:
A negative charge represents an excess of electrons. If a negatively charged balloon is brought next to an uncharged piece of paper, the negatively charged electrons would repel the negatively charged electrons present in the molecules on the surface of the paper. This would cause an asymmetric distribution of electrons in the molecules of the paper. The asymmetric distribution would cause a momentary dipole in the affected molecules, with the positive pole oriented toward the balloon. The cumulative effect would be an attractive force between the negatively charged balloon and the uncharged paper.
What are the 4 types of attacks in a software?.
Malware, password, phishing, and SQL injection assaults are the several categories of cyber-attacks.
What exactly are assaults, and what different kinds are there?Network assaults primarily fall into two categories: passive and aggressive. In passive network assaults, malevolent actors observe networks, spy on users, and collect personal information without making any changes. Modifying, encrypting, or corrupting data are all aspects of active network assaults.
What do computer assaults entail?An effort to take down computers, steal data, or utilize a computer system that has been compromised to launch subsequent assaults is known as a cyber attack. Malware, phishing, ransomware, man-in-the-middle attacks, and other cyberattacks are launched by cybercriminals using a variety of techniques.
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two speakers are emitting identical sound waves with a wavelength of 4.0 m. the speakers are 8.0 m apart and directed toward each other, as shown:
Constructive, Destructive, and Something in Between, per the provided statement.
What are frequency and wavelength?The distance between two wave crests, which also applies to troughs, is known as the wavelength. The unit of frequency in frames a second (Hz), which is the quantity of vibrations that cross a specific area in a second (Hertz).
What is the name for a light wavelength?The horizontal space between the wave's two peaks is known as a wavelength. Light's wavelength is used to measure it (in nanometers). Typically, wavelengths in the 400–700 nanometer (nm), or one hundred thousandth of a meter, range are considered to be visible light.
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you drop a rock from a cliff. you know the acceleration due to gravity is -9.8 m/s2. what speed is the rock traveling after two seconds?
By 2 seconds after it starts falling, its velocity is 19.6 m/s (9.8 m/s + 9.8 m/s), due to acceleration due gravity.
What is Gravitational Acceleration?
The acceleration an object experiences as a result of gravitational force is known as acceleration due to gravity. M/s2 is its SI unit. Its vector nature—which includes both magnitude and direction—makes it a quantity. The unit g stands for gravitational acceleration. At sea level, the standard value of g on earth's surface is 9.8 m/s2.
What is gravity?
A body is drawn toward the centre of the earth by the force of gravity. Let's have a look at two bodies with masses ma and mb. When two bodies are subjected to equal forces, the force in terms of mass is given by: The inertial mass of a body is defined as mb = ma [aA/aB].
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