The scuffing of your feet on a dry day is an example of a triboelectric effect.
What is triboelectric effect?
The triboelectric effect, also known as triboelectric charging, is a type of contact electrification in which certain materials become electrically charged after coming into contact with a different material. This occurs when electrons are transferred between the materials when they come into contact and separate. Common examples of the triboelectric effect include static electricity when a person scuffs their feet on carpet and then touches a metal doorknob, or when a balloon is rubbed against a person’s hair and then sticks to a wall. The triboelectric effect is a key component of many everyday items such as batteries, capacitors, and paint.
The scuffing of your feet on a dry day is an example of a triboelectric effect. This is when two different materials come into contact and electrons move from one material to another. This can cause a buildup of electric charge on one of the materials. In this case, the electrons move from the carpet to your feet, giving your feet a charge of -55 µC.
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a passenger is smoking in the backseat of a moving car. to remove the smoke, the driver opens his window just a bit. explain why the smoke is drawn to and out of the driver’s window.
The smoke is drawn to and out of the drivers window because the car is in the motion.
In physics, motion is a function of a body's position or orientation over time. Translation is defined as movement along a line or a curve. Rotation is a motion that modifies a body's orientation. In all scenarios, the acceleration and directed speed of every point on the body are equal (time rate of change of velocity). Motion that involves both translation and rotation is the most generic type. Every movement has a frame of reference to which it is relative. A body is not in motion when it is said to be at rest; rather, it is being characterized in relation to a frame of reference that is moving with the body.
When the car is in the motion, the air outside the car is moving with velocity relative to that of car.The motion of the car is creating a pressure imbalance with the outside air.The air moving around the car has less pressure than the air inside the car, so a vacuum is created when you open a window, drawing the air out.
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if you want to increase the amplitude of her motion as quickly as possible, how much time should you wait between pushes?
If you want to increase the amplitude of her motion as quickly as possible, the time should you wait between pushes is 2.9 s.
One whole cycle of a periodic motion is frequently described in terms of the time period, a fundamental concept in physics. It is the reciprocal of the motion's frequency.
Given:
Length, l = 2.1 m
The time period is given by:
T = 2π ( l /g )ˣ
Here, the value of x is 0.5, acceleration due to gravity (g).
Substitute the values:
T = 2 × 3.14 ( 2.1 ÷ 9.8 ) ˣ
T = 2.9 s
Hence, if you want to increase the amplitude of her motion as quickly as possible, the time should you wait between pushes is 2.9 s.
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After some ancient bones were excavated, carbon was taken from one of the bones to find that there was 44% as much 14C as from current bones. The decay constant of 14C is k≈ 0.0001216, for time in years. How many years old is the bone?
The bones are 6751 years old.
We know that time of a reaction is given by:
kt = ln(A'/A)
where,
k = reaction constant = 0.0001216
A' = initial concentration
A = final concentration = 44% A = 0.44A
Putting these values in above equation we get:
t = ln(1/0.44)/ 0.0001216
= 6751 years
So, the bones are 6751 years old.
All radioactive reactions are first order reaction.
A first-order reaction is one in which the rate of reaction is proportional to the concentration of the reactant. To put it another way, doubling the concentration doubles the reaction rate. A first-order reaction can have one or two reactants, as in the case of the decomposition reaction.
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two rockets are fired simultaneously from a ledge at a height of ℎ. neglecting air resistance and assuming rockets are particles, which rocket hits the ground first? briefly justify your answer.
If two rockets are fired simultaneously from a ledge at a height of ℎ and if we neglect the air resistance and assumed rockets are particles both of them hit the ground at the same time due to projectile motion as it only depends upon gravitational force.
This kind of motion is known as projectile motion. Projectile motion is the motion of any object or particle thrown in to the air or projected in to the air. Except the initial force by which it is projected the only force the particle experiences is the gravity which is constant. Here the object or particle projected or thrown is known as projectile and the path it follows is known as trajectory. The formula of time in projectile motion is T=2vsinθ/g. here time only depends upon gravitational force if both particles are projected at the same speed. there are three types of projectile motion.
1. Vertical projectile motion
2. Horizontal projectile motion
3. Oblique projectile motion
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(a)what distance will the bicycle travel with one rotation of the wheels? give the exact distance and an approximation to the nearest tenth of an inc
The distance traveled by the bicycle in one rotation of the wheel is approximately 78.5 inches.
What do you mean by circumference?It is defined as the product of the diameter of the circle (the distance across the circle through its center) and π (pi), a mathematical constant approximately equal to 3.14. The formula for the circumference of a circle is:
C = 2πr
where r is the radius of the circle, which is half the length of the diameter.
The concept of circumference is used in many areas of mathematics and science, such as geometry, trigonometry, physics, and engineering. For example, in physics, the circumference of a wheel is used to calculate its rolling distance and the circumference of a pulley can be used to determine its mechanical advantage. In engineering, the circumference of a pipe or a cylinder is used in fluid mechanics to calculate the flow of liquids and gases.
The distance traveled by a bicycle in one rotation of the wheel can be calculated using the circumference of the wheel. The circumference of a circle is given by the formula:
C = 2πr
where C is the circumference, π is approximately equal to 3.14, and r is the radius of the circle. In this case, the radius of the wheel is equal to half the diameter, so:
r = 25 in / 2 = 12.5 in
Substituting this value into the formula for the circumference gives:
C = 2π * 12.5 in = 25π in
So, the distance traveled by the bicycle in one rotation of the wheel is approximately equal to 25π inches. To the nearest tenth of an inch, this distance is:
25π ≈ 78.5 in
So, the distance traveled by the bicycle in one rotation of the wheel is approximately 78.5 inches.
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Which of the following are the examples of atmospheric pressure?A Fountain bottleB Ping pong funnelC Million dollar betD All of the above
Atmospheric pressure: The force exerted by air; the pressure in the atmosphere. b: the pressure within a container caused by atmospheric gas compression The car tire's air pressure was measured in pounds per square inch.
The force exerted on a surface by the weight of air is defined as air pressure. The average sea-level air pressure of 101.325 kPA is an example of air pressure. noun.
The gravitational attraction of the planet on the atmospheric gases above the surface causes atmospheric pressure, which is a function of the planet's mass, the radius of the surface, the amount and composition of the gases, and their vertical distribution in the atmosphere.
The following are the examples:
blowing up a balloon.
Using the flush button on the toilet.
Wind instruments are musical instruments.
To water the plants, use a sprinkler hose.
Air pressure is required for bicycles, automobiles, and other vehicles.
I'm having a shower.
The air pressure keeps the body shape.
Changes in atmospheric pressure cause climatic changes.
Therefore, we can say that Fountain bottle, ping pong funnel as well as million dollar bet are examples of atmospheric pressure.
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Someone help me please
Option B and D are valid because tension equals weight of 2 kg mass, which is 19.6 N force.
What is tension?Tension is defined in physics as the pulling force transferred axially by a string, rope, chain, or similar item, or by each end of a rod, truss member, or similar three-dimensional object; tension may alternatively be defined as the action-reaction pair of forces operating at each end of those elements. Tension is described as the force transferred through a rope, string, or wire when it is pulled by opposing forces. The tension force is directed along the wire's length, pulling energy evenly on the bodies at the ends. Every physical item that comes into contact with another puts some force on it.
Here,
Option B and D is correct that is tension is equal to weight of 2 kg mass that is 19.6 N force.
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what is the approximate period of the planet in days?
Earth's mean distance from the Sun is 1.495x108 kilometres, and its orbital period is 365 days. In 365.256 days (1 sidereal year), the Earth completes one orbit, covering 940 million kilometres (584 million mi).
One rotation of the Earth takes 24 hours, while that of Mars takes 25. The gas giants spin quite quickly. Jupiter's revolution takes only 10 hours to complete. Neptune takes 16 hours, Saturn 11 hours, and Uranus 17 hours. The length of time it takes an astronomical object to complete one orbit around another object is known as the orbital period (also known as the revolution period). In astronomy, it typically refers to bodies like planets or asteroids revolving about the Sun, as well as moons circling other stars, exoplanets, and double stars.
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the gold medal winner in olympic downhill skiing manages to descend the course at 0.87c. how do they perceive the length of the course (in km), compared to the measurement of 3 km made by the organizers? show your work!
The gold medal winner in Olympic downhill skiing perceives the length of the course to be 4.1 km, compared to the measurement of 3 km made by the organizers.
The length of an object as perceived by an observer moving at a significant fraction of the speed of light (such as 0.87c) is affected by relativistic length contraction. According to the theory of special relativity, the length of an object measured by a stationary observer and by an observer moving at a significant fraction of the speed of light will differ. The length of the object as perceived by the moving observer is given by the Lorentz factor:
L = L0 / √(1 - v^2 / c^2)
where:
L is the length of the object as perceived by the moving observer
L0 is the length of the object as measured by a stationary observer
v is the velocity of the moving observer (0.87c)
c is the speed of light (3 x 10^8 m/s)
Plugging in the values:
L = 3 km / √(1 - (0.87c)^2 / c^2) = 3 km / √(1 - 0.7569) ≈ 4.1 km is the perceived length.
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The physical environment (for example, our living spaces) that we, as individuals, create __________________. A. Is unrelated to our communicationb. Reveals information about ourselvesc. Is a minor aspect of communicationd. Helps to build relationships.
The correct option is (b) reveals information about ourselves. The physical environment (for example, our living spaces) that we, as individuals, create "reveals information about ourselves".
The physical environment can be used to reveal our thoughts, emotions and beliefs. It can also be used to reveal our hidden secrets and mysteries. To be effective in life, we must be aware of the physical environment in which we live.
This awareness can be used to our advantage or against us. For example, if we don't know the floor plan of our home, we may not be aware of the potential dangers that may lurk there. Likewise, we are less likely to respond appropriately to an uncomfortable situation when we are unaware of the emotions around us.
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if we made a model in which the sun was a typically sized orange, then the earth would be about the size of a group of answer choices black bean grain of salt grape peanut m
The Sun is about the size of an orange, so the Earth would be about the size of a grape compared to it. This is because the Earth is much smaller than the Sun.
If the sun was a typically sized orange, the Earth would be about the size of a grape.The Sun is about the size of an orange, so the Earth would be about the size of a grape compared to it. This is because the Earth is much smaller than the Sun, with a diameter of around 7,917 miles, while the Sun has a diameter of around 864,000 miles. To put this into perspective, the Earth would be a tiny speck of dust compared to the size of the orange Sun. Thus, the Earth would be about the size of a grape if the Sun was a typically sized orange.
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I need help on a 250 WORD ESSAY. Argue whether or not you feel it is more important that researchers focus on individual difference or individual similarity in their study of personality development
When studying personality development, both individual differences and individual similarities play an important role. However, the relative importance of these two aspects is a matter of debate among researchers. Some argue that it is more important to focus on individual differences, while others believe that individual similarities should be given more weight.
Individual differences refer to the ways in which people are unique from one another. Researchers who focus on individual differences study the various personality traits, habits, and behaviors that make each person unique. This approach has the advantage of allowing researchers to better understand the complexities of individual personality and behavior. By exploring the specific differences between people, researchers can gain insights into the ways in which personality develops and evolves over time.
On the other hand, researchers who focus on individual similarities aim to identify common patterns and traits that exist across a large population. This approach has the advantage of allowing researchers to identify broad trends and general principles that can be applied to a large number of individuals. By focusing on the similarities between people, researchers can gain a better understanding of the underlying causes of personality development and the common processes that occur.
In conclusion, both individual differences and individual similarities are important to consider when studying personality development. Ultimately, the choice of which aspect to focus on depends on the specific goals and objectives of the research project. By exploring both individual differences and individual similarities, researchers can gain a more comprehensive understanding of personality development and the ways in which it influences behavior.
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a 200 g ball of clay traveling to the right overtakes and collides with a 400 g ball of clay traveling to the left at 3.0 m/s . the balls stick and move to the left at 5.0 m/s . what was the speed of the 200 g ball of clay?
The speed of the 200g ball before the collision was 9.0 m/s.
To find the speed of the 200g ball before the collision, we can use the conservation of momentum principle. The total momentum of the system before the collision is equal to the total momentum after the collision.
Momentum before = Momentum after
(200g) * v1 + (400g) * (-3.0 m/s) = (600g) * (-5.0 m/s)
Solving for v1:
v1 = (400g * 3.0 m/s + 600g * 5.0 m/s) / 200g
v1 = 9.0 m/s
So, the speed of the 200g ball before the collision was 9.0 m/s.
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why is the persistence method of forecasting limited?
Forecasting involves making predictions about the future. Forecasts are often predicated on historical data.
What is Forecasting?Because the future is uncertain, forecasts must often be revised, and actual results can vary greatly. Making future forecasts is a part of forecasting.
Companies utilize forecasting in finance to predict earnings or other statistics for upcoming periods. Forecasts are used by traders and analysts in value models, to time trades, and to spot trends.
Historical data is frequently the foundation of forecasts. Forecasts frequently need to be updated since the future is unpredictable, and actual outcomes can differ substantially.
Therefore, Forecasting involves making predictions about the future. Forecasts are often predicated on historical data.
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Michael rides his bike south on First Street at 5 m/s. Officer Wilson sees him go right past him, from the corner of Ocean and First streets. Officer Wilson speeds after Michael on his bicycle, catching up to him after one block, when he reminds him to wear his helmet. Which statement is the most accurate description of their motion?
Group of answer choices
They are both moving at the same speed.
They both have the same displacement.
They are moving in opposite directions.
They are both moving at the same velocity.
They both have the same displacement- is the most accurate description of their motion.
What is displacement?A displacement is a vector in geometry and mechanics that has a length equal to the shortest distance between a point P's initial and final positions.
It calculates the length and angle of the net motion, or total motion, in a straight line from the starting point to the destination of the point trajectory. The translation that links the starting point and the ending point can be used to spot a displacement.
As both Michael and Officer Wilson have same initial position and final position, they both have the same displacement.
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A point charge 1.1 µC is located at the center
of a uniform ring having linear charge density
9.9 μC/m and radius 2.16 m.
9
R
a
Find the total electric flux through a sphere
centered at the point charge and having radius
Ra. The value of the permittivity of a
vacuum is 8.8542 x 10-12 C2/N. m².
Answer in units of Nm²/C. Answer in
units of Nm²/C.
The total electric flux through a sphere centered at the point charge is 1.24 x 10⁵ Nm²/C.
What is the total electric flux through the sphere?
The total electric flux through the sphere is the resultant of the electric field due to all the charges existing in the space, and the magnitude is calculated by applying the following formula.
Ф = ( Q ) / ( ε₀ )
where;
Q is the magnitude of the chargeε₀ is permittivity of free spaceФ = ( 1.1 x 10⁻⁶ ) / ( 8.8542 x 10⁻¹² )
Ф = 1.24 x 10⁵ Nm²/C
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Consider a comet which passes through its aphelion at a distance r_max from the sun. Imagine that, keeping r>max fixed, we somehow make the angular momentum l smaller and smaller, though not actually zero; that is, we let l ---> 0. Use equations (8.48) and (8.50) to show that is this limit the eccentricity epsilon of the elliptical orbit approaches 1 and that the distance of closest approach r_min approaches zero. Describe the orbit with r_max fixed but l very small. What is the semimajor axis a?
The orbit with r_max fixed but l very small is a parabola. The semimajor axis a is r_max.
What is the orbit ?An orbit is the path of a celestial object or spacecraft around a star, planet, or moon. The path is usually elliptical in shape, and a celestial object's orbital speed varies depending on its distance from the central body. An object's orbital period, or the amount of time it takes to complete one full orbit, is determined by the size of its orbit and its distance from the central body. The gravitational force of the central body affects the path of an object's orbit, and the orbital speed of the object is determined by the gravitational force and the distance of the object from the central body.
Using equations (8.48) and (8.50), we can rewrite the eccentricity of the elliptical orbit as:
\epsilon = \sqrt{1 + \frac{2l^2}{\mu r_{max}^2}}
In the limit l --> 0, the eccentricity approaches 1 and the distance of closest approach r_min approaches zero.
The orbit with r_max fixed but l very small is a parabola. The semimajor axis a is r_max.
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which domain of a typical it infrastructure includes cabling, servers, and wireless access points?
The domain of IT infrastructure that includes cabling, servers, and wireless access points is known as the Network Infrastructure domain. It is the backbone of the IT infrastructure and plays a crucial role in the efficient functioning of an organization's communication.
The Network Infrastructure domain involves the physical and logical connectivity of the various devices, computers, and servers within an organization. This includes the installation and maintenance of cables, such as Ethernet cables, which are used to connect devices to the network. The servers, on the other hand, are used to store and manage the data and applications required by the organization.
Wireless access points, which are also an important component of the Network Infrastructure domain, provide wireless connectivity to the devices within an organization. They are connected to the network using cables and act as a bridge between the wireless devices and the wired network. Wireless access points support the deployment of wireless networks, which are becoming increasingly popular due to the mobility and convenience they provide.
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Which energy source causes the solar panel to generate electrical energy?
Answer:pv cells using electricity
Explanation:
The sunlight is the energy source causes the solar panel to generate electrical energy.
What is energy?
The definition of energy is "capacity to do work, which is ability to apply force causing displacement of an object." Energy is just the force that moves objects, despite this definition's seeming complexity.
What is electrical energy ?
A charged particle's ability to start an action or move an item is known as electrical energy. Electrical energy is produced as a result of electrons moving between atoms. Electrical energy is used to operate appliances like toasters and phone chargers every time you put them into a wall socket.
Sunlight energy is captured by the PV cells in a solar panel when the sun shines on it. By generating electrical charges that move in reaction to an internal electrical field within the cell, this energy generates electrical currents that allow electricity to flow.
Therefore, sunlight is the energy source causes the solar panel to generate electrical energy.
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must two quantities have the same dimensions if you are adding them?
a. yes b. no
Yes, when ever you add or subtract quantities they must have the same units or dimensions.
ABOUT DIMENSIONIn physics measurements apart from units and units, there are also what are referred to as dimensions.
Definition dimensions in mathematics are measurements of length, width, or height that are extended in a certain direction. Where every form of matter on earth has dimensions, including physical quantities. Dimensions show what basic quantities are used in a measurement. Thus, dimensions in physics are a way of writing quantities that show the constituent quantities. Dimensions in measurements do not consider numerical values (quantities).
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According to Coulomb's law, charges of larger magnitude interact stronger than those of smaller magnitude. Is this true or false?
The given statement 'According to Coulomb's law, charges of larger magnitude interact stronger than those of smaller magnitude' is true.
"According to Coulomb’s law, the force of attraction or repulsion between two charged bodies is directly proportional to the product of their charges and inversely proportional to the square of the distance between them."
Mathematically, it is given as, F = 1/4π∈₀k (q₁q₂/d²)
where, ∈₀ is the permittivity of free space
k is relative permittivity
q₁, q₂ are charges
d is the distance
The law only applies to point charges that are at rest. It is difficult to implement Coulomb’s law where charges are in arbitrary shape because in such cases, we cannot determine the distance between the charges.
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laser doppler flowmetry uses an infrared laser to measure blood flow velocity. compared to ultrasound, the percent change in frequency using this technique is: a. smaller. b. the same. c. larger. d. zero.
laser doppler flowmetry uses an infrared laser to measure blood flow velocity. compared to ultrasound, the percent change in frequency using this technique is a)smaller.
What is laser Doppler flowmetry?
Laser Doppler flowmetry (LDF) is a non-invasive method for the continuous measurement of microvascular blood perfusion in a variety of tissue types. Blood perfusion (blood flow) is estimated by illuminating a tissue sample with single-frequency light and processing the frequency distribution of the backscattered light.
What is the principle of Doppler flow meter?
A Doppler ultrasonic flow meter uses a transducer to emit an ultrasonic beam into the stream flowing through the pipe. For the flow meter to operate, there must be particulates, such as solid particles or air bubbles, in the stream to reflect the ultrasonic beam.
What wavelength is laser Doppler flowmetry?
In normal skin, and with laser Doppler instruments with a probe with standard fiber separation (0.25 mm) and 780 nm wavelength, the measuring depth is 0.5–1 mm and the measurement volume is approximately 1 mm3.
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PLEASE HELP ME!!
Question in image.
The fill in the gap answer is given below:
From there, it is pumped to the lungs through two vessels called the pulmonary arteries.
These arteries are an exception to the rule since they carry oxygenated blood to the lungs.
Gas exchange occurs in the lungs at the alveoli.
Blood enters the left atrium of the heart.
Blood must be distributed to all of the body's cells (1). Oxygen first enters the body when inhale (2). Oxygen is carried by red blood cells (3). Deoxygenated blood travels through the vena cava (4) to the right atrium (5) of the heart. It first enters the right ventricle (6), and is pumped to the lungs for gas exchange (7), where oxygen is taken in and carbon dioxide is expelled. From there, it is pumped to the lungs (8) through two vessels called the pulmonary (9) arteries. 10 Oxygenated blood to the Body(11), 12 Gas exchange occurs in the lungs at the Alveoli 13, From the lungs, 14. oxygenated blood travels through the 15. pulmonary veins, and enters the 16. left side of the heart. This is also an exception to the rule as these veins carry 17. oxygenated blood to the heart. 18. Oxygenated blood first enters the 19. left atrium, then moves to the 20. left ventricle, Then it is pumped out through the aorta (21) onto the body (22) and distributed to the cells body (23).
What is blood?Blood is a bodily fluid that circulates through the circulatory system of an organism, carrying oxygen, nutrients, hormones, and waste products to and from the cells. Blood is made up of red and white blood cells, platelets, and plasma. Red blood cells are responsible for carrying oxygen, while white blood cells help the body fight infections and diseases.
Therefore, Platelets play a role in blood clotting, and plasma is the fluid portion of blood that contains proteins and other substances. Blood plays a vital role in maintaining the health and well-being of an organism.
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See transcribed text below
Directions: Summarize how blood travels throughout the body using the following terms
and the sentence frames below. Each word should be used just once.
capillaries blood venacava left oxygen heart upper
eftatrium oxygenated lungs pulmonary right atrium deoxygenated
red blood cells inhale pulmonary right ventricle lungs lower Gas exchange
ventricle oxygenated aorta
1 must be distributed to 2l of the body's cells, Oxygen first
enters the body when | 2 Oxygenis carried by 3,
inthe 4. Deoxygenated blood travels through the inferior and superior
5 Itfirst enters the 6. . and is pumpedto the
T From there, it is pumped to the 8 through two vessels
called the 9. areries. These arteies are an exception to the rule
since they carry 10 bloodtothe
1 2 occurs inthe lungs at the 13,
From the lungs, 14. blood travels through the
15. veins, and enters the 16. side of the heart. This is also
an exception to the rule because these veins carry 17. bloodtothe
18, Oxygenated blood frstenters the 19, then moves to the left
2 Then itis pumped out through the 21 ontothe
2 and 23 body
What is open circuit output?
Answer:
A circuit in which the continuity is broken due to which the electric current can not flow is known as the open circuit. In an open circuit, the current flowing is zero, thus no power dissipates from an open circuit.
Explanation:
You're welcome.
A unipolar output whose sole connection to a supply voltage is made by an active component, often a transistor, within the integrated circuit is termed as the open circuit output.
What is defined as the open circuit output?When the active device is turned on, the output voltage reaches the supply voltage to which it is connected (via into the active device);
because when device is turned off, the output impedance for any other integrated circuit terminal is high, and the output voltage is ascertained by external circuit that the output is connected.Output are typically categorized in accordance with the name of the active device component within in the integrated circuit to which they are attached, for example, open-collector output, expansive output, etc.
Thus, a unipolar output whose sole connection to a supply voltage is made by an active component, often a transistor, within the integrated circuit.
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what are three new things that you learned about the milky way galaxy?
Three things learned about the Milky Way galaxy are that it has billions of stars, has a halo, is composed of dust and gas
Facts about the Milky Way galaxyThe galaxy is actually a collection of various kinds of stars with their respective solar systems. The Milky Way galaxy has a cost of about 200 to 400 billion stars. However, the most that humans see are only about 2,500 stars.
The Milky Way galaxy is composed of dust and gas. This material is the material that makes up the luminous material of the Milky Way Galaxy, which is about 10 to 15 percent. The thickness of this dust can deflect visible light. However, infrared light can pass through this dust.
The Milky Way Galaxy has a Halo, which is a halo of light within the Milky Way Galaxy.
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Two guitarists attempt to play the same note of wavelength 6. 48 cm at the same time, but one of the instruments is slightly out of tune and plays a note of wavelength 6. 53 cm instead.
The phenomenon of "beats" occurs when two guitarists try to play the same note, but one is just a little out of tune.
Two waves collide and produce a variable amplitude, which is a beat.
The difference in frequency between the two notes is equal to the amount of beats per second.
The difference in wavelength in this situation equals the difference in frequency, therefore
The number of beats per second is (6.48 cm - 6.53 cm) / (wavelength).
A single strike on an object, like a drum, or the movement of an object, like your heart; the sound that this produces.
A sequence of repeated strikes on an object, such as a drum, or repeated movements of an object; the sound produced by these repetitions.
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A 16.0 kg cart is being pulled by
a 95.4 N force to the right, and
a 36.0 N force to the left. What
is the acceleration of the cart?
(Unit = m/s?)
The acceleration of the cart is 3.71m/s².
How to calculate acceleration?Acceleration refers to the rate of change of the velocity of an object with respect to time. It is measured in m/s².
The acceleration of a body can be calculated by dividing the force by the mass as follows:
Acceleration = Force ÷ mass
According to this question, a 16.0 kg cart is being pulled by a 95.4 N force to the right, and a 36.0 N force to the left.
The net force = 95.4N - 36.0N = 59.4N
Acceleration = 59.4N ÷ 16kg = 3.71m/s²
Therefore, 3.71m/s² is the acceleration of the cart.
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intentional destruction of tissue by caustic chemical, electric current, laser, or freezing. is called
Intentional destruction of tissue by caustic chemical, electric current, laser, or freezing is called ablation.
Ablation is a medical procedure used to remove or destroy abnormal or diseased tissue. The method used for ablation depends on the type and location of the tissue, and the desired outcome of the procedure. For example, electrical current can be used to destroy heart tissue causing an arrhythmia, while lasers can be used to remove unwanted skin growths. Freezing can be used to destroy abnormal tissues in the uterus or prostate, while caustic chemicals can be used to treat certain types of cancer.
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the kinematic viscosity and specific gravity of a liquid are 3.5e-4 m2/s and 0.79, respectively. what is the dynamic viscosity in si units? note that the kinematic viscosity is the dynamic viscosity normalized by the density:
Answer:
The dynamic viscosity of the liquid in SI units is 2.79e-2 Pa.s.
Dynamic viscosity can be calculated from the kinematic viscosity and the specific gravity of the liquid as follows:
Dynamic viscosity (μ) = Kinematic viscosity (ν) * Density (ρ)
Given:
Kinematic viscosity (ν) = 3.5e-4 m2/s
Specific gravity (SG) = 0.79
Density (ρ) = SG * Density of water (1000 kg/m3)
Therefore,
ρ = 0.79 * 1000 kg/m3 = 790 kg/m3
And,
Dynamic viscosity (μ) = ν * ρ
= 3.5e-4 m2/s * 790 kg/m3
= 2.79e-2 Pa.s
So, the dynamic viscosity of the liquid in SI units is 2.79e-2 Pa.s.
Dynamic viscosity is a property of a fluid that measures its resistance to flow. It is a measure of the internal friction of a fluid and is related to the fluid's ability to transfer momentum from one point to another. The dynamic viscosity of a fluid is determined by several factors, including its temperature, pressure, and composition. In SI units, dynamic viscosity is usually expressed in Pascal-seconds (Pa.s), also known as the Poise. Dynamic viscosity is an important property in many engineering applications, such as the design of piping systems, the selection of pumps and valves, and the calculation of heat transfer rates in fluid-based systems.
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Our atmosphere developed as a result of volcanic eruptions, why aren't there higher traces of atmospheric carbon dioxide, one of the principal volcanic gases?
Large quantities of dust from the volcanic eruption's surrounds are released into the atmosphere. Materials like volcanic ash and gases also accompany eruptions.
These gases make a significant contribution to the atmospheric greenhouse gas inventory.
Volcanoes' explosivity during eruptions is mostly caused by the gases inside of them. A volcano might be more explosive the more gases it contains. There is a lot of carbon dioxide, methane, etc. in these gases. They are overwhelmingly greenhouse gases.
An eruption is also accompanied by dust particles. The wind has the ability to hang this particles for a long time in the sky.
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