The greatest energy, shortest wavelengths, and highest frequency are found in gamma rays. The lowest energy, longest wavelengths, and lowest frequencies of all EM radiation are found in radio waves.
Are people electromagnetic beings?Yes, radiation is produced by people. Most of the electromagnetic radiation that humans emit is infrared radiation, which has a frequency lower above visible light. This result does not just apply to people. Thermal radiation is produced by every item having a temperature greater than zero.
What exactly is electromagnetic energy?Radiant energy that moves in waves at the pace of light is known as electromagnetic energy. Radiant energy, electromagnetic waves, electromagnetic waves, illumination, or even the movement of irradiance are other names for it. Radiation from an electromagnetic field may transfer heat.
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2 and the mass of the stoplight is 15 kg, what can you determine about the tension in the string t2?
If 1 < 2 and the mass of the stoplight is 15 kg, the tension in the string T2 is T1 < T2.
Why is there tension?The pulling force conveyed axially by a string, cable, chain, or other similar single constant object, or by every end of a rod, or other similar three-dimensional object, is referred to as tension. The response pair of forces acting at the ends of the aforementioned elements can also be used to describe tension.
How is the tension inside a string determined?Utilize the following formula, adding the three variables mentioned above, to determine the stress of a string in pounds: Tension is calculated as (UW x (2 x L x F)2) / 386.4. Simply multiply the result by 4.45 to get the result in Newtons.
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What is a common characteristic of scientific models?.
The most significant and distinguishing aspect of science is that it relies on information acquired from verifiable sources, such as direct factual observation.
Which 3 modeling paradigms exist?A three-part modeling paradigm: environments, systems, and both symbolic and real-world objects, phenomena, and objects. There is a conceptual difference between enterprise and systems representations, with the former being open-ended and pragmatic and the latter being limited and standardized.
Why are models based on science used?Scientific models are used in a number of scientific fields, from physics and chemistry to ecology and the Earth sciences, to describe and predict the behavior of real things or systems.
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once hydraulic pressure exceeds psi, the system can power the landing gear, main gear doors, flaps, speed brake, and nose wheel steering
This is the measure of the change in pressure from one point in a hydraulic system to another.
It either represent the loss between two points or the energy extracted from from a system to do work (as in a hydraulic motor).Pressure drop is also referred to as “Delta P”.ΔP=P-P'Many factors contribute to this concept but the largest factor is generally the viscosity of the fluid. This along with the conduit diameter (hose/pipe diameter), volume flow rate and the distance between the two points being measured as all contribute to the final loss in pressure or pressure drop.Line loss pressure drop then configures into the inefficiency of a system and affects how much heat must be removed.To learn about hydraulic system -
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How do quotas benefit domestic producers and cost domestic consumers?.
Quotas benefit and protect producers of goods in the domestic economy but consumers end up paying more when domestically produced goods cost more than imported goods.
Countries sometimes impose quotas on certain products in order to reduce imports and increase domestic production. In theory, quotas increase domestic production by limiting competition with foreign countries. Government programs that enforce quotas are often referred to as protectionist policies.
Import quotas restrict market access for imported products. The result is usually higher domestic prices paid by consumers. This leads to lower consumer surplus and lower real incomes. It may also reduce the choice consumers have in the market. A policy of reducing quantities is called a quota which is a government-imposed limit on the number of goods that can be bought or sold.
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use the instantaneous center of zero velocity to determine the angular velocity !ab of link ab and the velocity vb of collar b for the instant depicted. assume the quantities !0 and r to be known.
When the mass is at its equilibrium position (which corresponds to x=0), the velocity of the mass will be maximum.
Instantaneous center:
It is the center about a body moves in planer motion. The velocity of Instantaneous center is zero and Instantaneous center can be lie out side or inside the body. About this center every particle of a body rotates.
From the diagram
Where these two lines will cut then it will the I-Center. Point A and B is moving perpendicular to the point I.
If we take three link link1,link2 and link3 then I center of these three link will be in one straight line It means that they will be co-linear.
Therefore, when the mass is at its equilibrium position (which corresponds to x=0), the velocity of the mass will be maximum.
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What is the interaction between two magnets?.
The direct interaction between two magnetic dipoles is referred to as magnetic dipole-dipole interaction, or dipolar coupling.
There are north and south poles on every magnet. The same poles repel one another whereas opposite poles are drawn to one another. The north-seeking poles of the iron's atoms line up in the same direction when it is rubbed against a magnet.
The laws of electromagnetism cause magnets to exert forces and torques on one another. Microcurrents of electrically charged electrons orbiting nuclei and the intrinsic magnetism of the basic constituent particles (such as electrons) that make up the material are what cause the magnetic fields that attract objects.
Today's technologically significant groups of materials, such as magnetic recording materials, magnetic carriers, and magnaflux sensors used to detect cracks, all depend on magnetic interactions.
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consider a binary liquid mixture of a and b, where a is volatile and b is nonvolatile. the composition of the solution in terms of mole fraction is xa
The composition of the solution in terms of mole fraction will simply be equal to the mole fraction of the volatile liquid.
It is given that the liquid a is volatile and b is non-volatile. Since the solute a is not volatile, the mole fraction of the solute is not to be taken into account for. Being non-volatile, the liquid aa will not be contributing to the partial pressure. Hence, the partial pressure will only depend on the mole fraction of b which is given to be volatile.
Therefore, here we will only have to consider the mole fraction of the volatile liquid b and not the involatile liquid a.
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1. for the image formed by a converging lens, when the magnification m is negative, is the image upright or inverted relative to the object?
The image is reversed when the magnification is negative. The rays on the far side of a converging lens diverge if the object is placed closer to it than the focal length allows.
Converging lenses—can they magnify in the wrong direction?Since a convex lens can create both virtual and physical images, it can provide either positive or negative magnification. For a virtual image, magnification is beneficial; for a real image, it is detrimental. A negative magnification might either be actual or imaginary.
An image that is magnified negatively is real since it is inverted. The picture is smaller than the object when the magnification is less than 1.
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what string tension would produce the same frequency on a smaller violin with a string length of 0.235m if the linerar density remains constant
If the linerar density stays constant, which it does when the string length is 0.235 meters, the same frequency would be produced by the same string tension of 41.58 N on a smaller violin.
f1=196 Hz
l1=0.33 m
t1=82N
Now f1=1/2l1√T1/μ
μ=4.9*10⁻³ kg/m
f2=f1=196 Hz
196=1/2*L₂√T₂/μ
T₂=41.58 N
In physics, tension is defined as the pulling force transmitted axially by a string, rope, chain, or similar object, or by each end of a rod, truss member, or similar three-dimensional object. Tension can also be defined as the action-reaction pair of forces acting at each end of the aforementioned elements.A force known as tension is particularly effective on medium-length materials like rope and cord that are also flexible. A gravitational force still exists in tension. When the body is moving upward, the tension is denoted by the formula T = W + ma.
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What is the distance of two objects the attraction?.
The attraction between two objects at a distance is the Gravitational force.
An attraction force that exists between all mass-bearing objects is the gravitational force. A massed object draws another massed object; The force's magnitude is inversely proportional to the square of the distance between the two objects and directly proportional to their masses.
Mathematically it can be written as
F = G × m₁m₂/d²
m₁ and m₂ are the masses of the objects in kilograms, and d is the distance between them in meters. G is the universal gravitational constant, which means that it is the same everywhere in the universe.
And G = 6.67 x 10⁻¹¹ N m² / kg²
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(Complete question)
What is the attraction between two objects at a distance?
(6%) Problem 9: You have a horizontal grindstone (a disk) that is 91 kg, has a 0.33 m radius, is turning at 92 rpm (in the positive direction), and you press a steel axe against the edge with a force of 15 N in the radial direction
Part (a) Assuming that the kinetic coefficient of friction between steel and stone is 0.20, calculate the angular acceleration of the grindstone in rad/s2 Part (b) What is the number of turns, N, that the stone will make before coming to rest?
The angular acceleration of the grindstone is 0.199 rad / s²and the number of turns, N, that the stone will make before coming to rest is 36.94 rev.
(a)To solve this, we will use Newton's second law for rotational movement, i.e. torque
τ = I α
⇒ f × r = I × α
Now we write the translational Newton equation in the radial direction
N- F = 0
⇒N = F
The friction force equation is
f = μ N
⇒ f = μ F
The moment of inertia is
I = ½ m r²
Let's replace in the torque equation
(μ F) r = (½ m r²) α
α = 2 μ F / (m r)
α = 2 (0.2)15/ (91 × 0.33)
α = 0.199 rad / s²
b) Using the relationship of rotational kinematics
w² = w₀² - 2 α θ
0 = w₀² - 2 α θ
θ = w₀² / 2 α
Reducing the angular velocity,
w₀ = 92 rpm (2π rad / 1 rev) (1 min / 60s) = 9.634 rad / s
θ = (9.634)² / (2 × 0.199)
θ = 232 rad
Reducing radians to revolutions
θ = 232 rad (1 rev / 2π rad)
θ = 36.94 rev
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determine the inductive time constant if the current in an rl circuit builds up to one-third of its steady-state value in 5.00 s.
The answer is C = 1/R = 12.346
Solution:
1/R(5) = 1/0.405
1/R = 5/0.405
C = 1/R = 12.346
The time constant of an inductive circuit is the time it takes for the voltage across the inductor to reach 63% of its initial value. If a fraction of the total flux is linked between two coils, the amount of flux linkage can be defined as the fraction of the total flux linkage possible between the coils.
This fractional value is called the coupling coefficient and is given the letter k. An argument is deductive if the argument believes that the truth of the premises reliably establishes the truth of the conclusion. An argument is inductive if the argument believes that the truth of the premises only provides good reason to believe that the conclusion is likely to be true.
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calculate the ratio of the magnetic and electric forces on the plates and show that the magnetic force is always smaller.
FF=EvB=vEB=cv represents the relationship between the electromagnetism forces acting on the plates.
What do you think an electrical force is?Electric force is the interaction of any opposite charges bodies that is either repellant or attracting. The impact and effects it has on the target body are outlined by Newton's theory, just like any other force. A number of forces affect objects, including the electric force.
What other sorts of electric forces exist?Electric Forces as well as Their Types: Attractive and repulsive electrical forces are the two main types of electrical forces. Charges that are opposed to one another attract one another whereas those that are similar repel one another.
The magnetic force is always smaller as - The magnetic field's strength is determined by the charge's velocity, such as the current flowing through a wire (v=a few cm/s), or by the distance from the source. a radius of an electron ([tex]r=10^-15[/tex]). The Magnetic-field is substantially smaller than the E-field unless there are electromagnetic waves (EM-waves), in which case the magnetic field is equivalent to the electric field.
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Find the power received by the telescope from such a signal
The following formula can be used to determine a telescope's resolving power: Resolving power is calculated as 11.25 seconds of arc divided by d, where d is the objective's diameter in centimeters.
A telescope can have one of three different powers. They are the ability to resolve, gather light, and amplify.
What is the telescope's power?
Divide the telescope's (in mm) focal length by the eyepiece's (in mm) focal length to calculate power (in mm). You can modify the telescope's power by swapping out one eyepiece with one focal length for another.
The height of the image divided by the height of the object is known as magnification.
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What happens to the balance of a reversible reaction at equilibrium when temperature is increased?.
The endothermic reaction now has the upper hand in the reaction's balance.
What is meant by endothermic reaction?
Endothermic reactions are chemical processes in which the reactants absorb heat energy from their surroundings to produce products.
Exothermic refers to chemical reactions that release energy. More energy is produced than is needed to break the bonds between the reactants when bonds are formed in exothermic process products. Chemical processes that can release or absorb energy are referred to as endothermic.
Endothermic chemical reactions are those that generally absorb (or use) energy. When bonds in the reactants are broken in endothermic reactions, more energy is absorbed than is released when new bonds are formed in the products.
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How long is a 20 meter wavelength?.
A 20-meter wavelength is 14.000 MHz to 14.350 MHz.
Wavelength can be defined as the distance between two consecutive peaks or valleys. Measured in the direction of the wave. The wavelength of light is an important property that determines the properties of light. Red light has a different wavelength than blue light, and green light has a different wavelength from both.
Wavelength is the distance between two wave crests and the same for wave troughs. Frequency is the number of oscillations that pass through a particular point in one second, measured in cycles per second. The wavelength of light is defined as the distance between two successive peaks or troughs of a light wave.
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when does cross bridge cycling end? view available hint(s)for part g when does cross bridge cycling end? cross bridge cycling ends when calcium release channels in the sarcoplasmic reticulum open. cross bridge cycling ends when atp binds to the myosin head. cross bridge cycling ends when calcium ions are passively transported back into the sarcoplasmic reticulum. cross bridge cycling ends when sufficient calcium has been actively transported back into the sarcoplasmic reticulum to allow calcium to unbind from troponin.
Cross bridge cycling comes to a stop when enough calcium is processes take place back into the bloodstream to enable calcium to reassign from troponin.
What purpose does the sarcoplasm serve?In striated muscle, the sarcoplasmic reticulum (SR) serves as the primary intracellular calcium storage and is crucial in controlling excitation-contraction coupling (ECC) and intracellular calcium contents during contraction and relaxation.
What is sarcoplasmic thickening?More fluid flows to the muscles during a workout to supply energy. The term "sarcoplasmic hypertrophy" describes the expansion of this fluid's volume. Although it does not boost strength, it might give the appearance that muscles are bigger.
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Do quotas increase exports?.
No, quotas do not increase exports.
Quotas damage exporters because they limit the number of products that the exporter can promote in a country. With an absolute allowance, there may be a difficult restriction on the number of products the exporter can promote, so it should take delivery of lower income or boost its prices for you to earn the same quantity.
A quota or protectionism is a government-imposed exchange limit proscribing the quantity or value of products a nation imports or exports at some stage in a selected time.
Quotas can also limit home corporations’ potential to ship products to different countries. Quotas are distinct from price lists, which tax imports and exports. instead, they vicinity a difficult limit on imports and exports and are often used along with tariffs.
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How do you calculate the force of gravity FG between two objects?.
Gravity = (gravitational constant × mass of first object × mass of the second object) / (distance between centers of two objects)².
Gravity is the force by which a planet or other object pulls an object toward its center. Gravity keeps all the planets in orbit around the sun. The attractive force between any two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
The magnitude of this force depends on the mass of each object and the distance between the centers of the two objects. Mathematically, we say that gravity depends directly on the mass of an object and is inversely proportional to the square of the distance between them. Since gravity is a force, it provides the only way for objects to exchange energy and transform it into different states.
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TRUE/FALSE. when a semi-truck collides with a mini-cooper, the force that the truck exerts on the cooper is about 12 times larger than the force that the cooper exerts on the truck, if the mass of the cooper is 12 times smaller.
The statement that says the force that the truck exerts on the cooper is about 12 times larger than the force that the cooper exerts on the truck, if the mass of the cooper is 12 times smaller is false.
Newton's third law of motion says that for every action there is an equal and opposite reaction. This means that the magnitude of reaction force is equal and direction is opposite to the applied force.
So during collision the force exerted by the mini-cooper on the semi truck will be same the force exerted by the semi truck on the mini-cooper. When considering law of conservation of momentum and energy, the force exerted is not included, since it is same.
Therefore, the statement is false
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A radio antenna broadcasts a 1.0 MHz radio wave with 25 kW power. Assume the radiation is emitted uniformly in all directions. 1) what is the wave's intensity 30 km from the antenna 2) what is the electric field amplitude at this distance?
The radio antenna broadcasts a 1M Hz radio wave with 25 kW power.
1) The wave's intensity 30 km from the antenna is 8.842 * 10⁻⁶ W/m².
2) The electric field amplitude at this distance is 81.4 V/m.
The intensity of wave equation is given as
I = P/4πr²
where P is the power of radio wave (25 * 10³ W)
r is the distance from the source (30 * 10³ m)
I = (25 * 10³) / 4π (30 * 10³)² = 0.0000088419 W/m² = 8.842 * 10⁻⁶ W/m²
The relation between intensity of the wave and the electric field is given as
I = 0.5 * c * ε₀ * E²
where, c is the speed of light
ε₀ is the electric permitivity
E is the electric field
Now, let us make E as the subject,
E = √(2I/c ε₀) = √(2 * 8.8 * 10⁻⁶)/(3 * 10⁸ * 8.85* 10⁻¹²) = √(17.6 * 10⁴ / 26.55) = 0.814 * 10² = 81.4 V/m
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block a below weighs 1.90 n, and block b weighs 4.20 n. the coefficient of kinetic friction between all surfaces is 0.30. find the magnitude of the horizontal force necessary to drag block b to the left at constant speed if a and b are connected by a light, flexible cord passing around a fixed, frictionless pulley.
The magnitude of the horizontal force necessary to drag block b to the left at constant speed is 2.52 N.
Calculation:-
F - T -f₁ - f₂ = 0
⇒ F = -T + f₁ + f₂
f₂ = μk(ma + mb)g
f₁ = μkmag
T = μmag
F = μmag + μkmag + μk(ma+mb)g
F = 3 × 0.30 × 1.40 + 0.30 × 4.20 = 2.52 N
Force is a push or pulls upon an item because of the object's interaction with some other object. pressure is a power that can exchange the motion of an object. A force can reason an object with mass to alternate its speed, i.e., to boost up. pressure also can be described intuitively as a push or a pull. A force has each significance and course, making it a vector amount.
The phrase 'Force' has a unique meaning. At this degree, it is absolutely appropriate to describe a force as a push or a pull. A force is not something that an object consists of or 'has in it. A force is exerted on one object through another. The concept of a force isn't always restricted to living matters or non-living matters.
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spheres a and b are identical in size and made from the same conducting material. sphere a is attached to an insulating rod, and sphere b is suspended from an insulating thread. sphere a initially has a charge of 10 nc, and sphere b is initially uncharged. question which of the following best represents the distribution of charge on the surfaces of spheres a and b when sphere a is brought near sphere b?
The two metal spheres will reach their equal potential when they come into contact. Additionally, when the metal spheres have the same radius, the identical potential results in the same charges.
The charge distribution at each phase will now be as follows:
Initial values are: A=+6q B=-3q C=0.
A=+1.5q B=+1.5q C=0 Spheres A and B touched and separated. When two spheres touch, charges will be divided equally and the overall charge will be preserved.
After touching, A increases by 0.75q, B increases by 1.5q, and C increases by 0.75q (same logic as above)
When C and B are touched, A = +0.75q, B = +1.125q, and C = 1.125q.
So, qc=+1.125q will be the ultimate charge on sphere C.
Generally speaking, potential describes a skill that is still being developed. The term is used in a wide range of disciplines, from physics to the social sciences, to describe objects that are in a state where they have the capacity to change in a variety of ways, from the straightforward release of energy by objects to the realization of abilities in people.
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The Tornado i a carnival ride that conit of a vertical cylinder that rotate rapidly about it vertical axi. A the Tornado rotate, the rider are preed againt the inide wall of the cylinder by the rotation, and the floor of the cylinder drop away. The force that point upward, preventing the rider from falling downward, i a) friction force. C) gravity. B) a normal force. D) a tenion force
Normal forces are those that are directed upward force and stop the rider from falling downhill. The normal force is the pressure that surfaces provide to stop solid objects from piercing one another.
In touch, normal force is a force. Two surfaces cannot exert a normal force on one another if they are not in contact.
The Tornado is a roller coaster that features a vertical cylinder that spins quickly around its vertical axis. The rider is pushed against the inside wall of the cylinder by the rotation of the tornado, and the cylinder's floor falls away. Normal forces are those that are directed upward and stop the rider from falling downhill.
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Radio stations can broadcast their signals over great distances. Which property enables a radio station signal to travel far from the source?.
The property that makes the radio waves to travel over a very large distance is the fact that it has a long wavelength.
What are radio waves?We know that radio communication have given birth to the modern communication gadgets that we have now that involves the fact that we can be able to send signals over a very long distance.
It should be noted that the use of the radio waves is made quite easy because the radio waves can be able to travel across a very large distance and can be able to move at a very fast pace from one place to the other.
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Answer:
Explanation:
a
when drawing a lewis structure for a free radical, which type of atom is more likely to receive the unpaired electron? select the correct answer below: the more electronegative element the less electronegative element the heavier element the lighter element
The less electronegative element is more likely to receive the unpaired electron.
What is lewis structure?A Lewis Structure is a very simplified representation of the valence shell electrons in a molecule. It is used to show how the electrons are arranged around individual atoms in a molecule. Electrons are shown as "dots" or for bonding electrons as a line between the two atoms.
What is free radical?A free radical can be defined as an atom or molecule containing one or more unpaired electrons in valency shell or outer orbit and is capable of independent existence.
What is unpaired electron?An electron, in an atomic orbital, for which there is no other electron in the same orbital but with opposite spin; a characteristic of free radicals and other reactive species.
What is electronegative element?Electronegativity is a chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.
Why the less electronegative element is more likely to receive the unpaired electron?A more electronegative element is more likely to be surrounded by more electrons and fulfill its octet. A less electronegative element is more likely to have the electron deficiency, in this case the unpaired electron.
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The tub is in the shape of a rectangular box that is 0. 5 foot wide, 4 feet long, and 3 feet deep. What is the rate of change of the depth of the water in the tub at time t=6 ?.
Based on the information given, the rate of change of the depth of the water in the tub at time t=6 will be 0.25029 ft/min.
What is the formula of water depth?The straightforward formula "d/2 = vt" is used to determine the depth "d" because the speed of sound in water is known.
The water in the tub has a surface area of 0.5 feet by 4 feet, it should be mentioned. As a result, when t=6, the rate of change of volume will be determined as follows:
V'(6) = F(6) -L(6) (6)
V'(6) = arctan(/2 -6/10) – 0.03(20(6)-62 – 75) = 0.77058 – 0.27000
V'(6) = 0.50058
As a result, the relationship between the rate of change in depth and volume may be seen in the formula V = Bh, where B is the prism's base area and h is the product of V/B h', V', and B h'(6).
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how long (in ns) does it take light to travel 1.00 m in vacuum? express your answer with the appropriate units.
It take light to travel 1.00 m in vacuum is 3.33 nano secs.
What is vacuum?
A space that is entirely devoid of matter a space that has been artificially partially (to the greatest extent possible) evacuated using an air pump. rarefaction at pressures lower than atmospheric pressure.
What is light ?
The electromagnetic radiation known as "light" is visible to the human eye. The wavelengths of electromagnetic radiation span a very large range, from radio waves with wavelengths measured in meters to gamma rays with wavelengths less than about 1 1011 meters.
apply C = S/t
so time t = 1/3e8
t = 3.33 nano secs.
Therefore, it take light to travel 1.00 m in vacuum is 3.33 nano secs.
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which of the following is a false statement about the methods? group of answer choices the time class has three constructors. time() is the default constructor. equals, lessthan, and tostring are all accessor methods. there are no static methods in this class. increment is a mutator method.
There are no static methods in this class is correct statement.
We are physically surrounded with friction. An object moving along a path is resisted by a force known as static friction. Lastly, use an easy example to comprehend it. Think about the activity we perform frequently called walking. We are constantly in contact with the floor while we work. Motion presses against the ground as we move it backward, and we then advance our feet.
One key concept to be aware of in order to minimize friction is the fact that it operates in the opposite direction from relative motion. This phenomena may be useful for reducing the speed of the action until it eventually comes to a stop.
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which type of magnetic material cannot be used to make permanent magnets: a ferromagnetic substance, an antiferromagnetic substance, or a ferrimagnetic substance?
Antiferromagnetic materials are magnetic materials that cannot be used to create permanent magnets.
Explain about the Antiferromagnetic materials?In the case of anti-ferromagnetism, materials that exhibit magnetic ordering below a certain temperature exhibit magnetic magnetism.
Antiferromagnetic substances have magnetic moments that are antiparallel to the applied magnetic field, while ferromagnetic substances have magnetic moments that are parallel to the applied magnetic field. This causes antiferromagnetic materials to have zero total magnetism and positive magnetism for ferromagnetic materials.
Two magnetic characteristics of materials are ferrimagnetism and anti ferromagnetism. Ferrimagnetic materials are strongly drawn to a magnetic field in contrast to antiferromagnetic materials. Other magnetic properties of matter include para magnetism, ferromagnetism, and diamagnetism.
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