The demand function for product x is given by q subscript x superscript d equals 360 minus 7 p subscript, consumer surplus do consumers receive. increase by 35,000 units of the good, when p subscript x equals 11.
The sum of the patron surplus and producer surplus is the total gains from trade. Consumer surplus consumers measures the benefit to buyers of participating in a very market.
It's measured because the amount a buyer is willing to purchase is decent minus the number a buyer actually pays for it. The total surplus in an exceedingly market consumers could be a measure of the overall wellbeing of all participants during a market.
Consumer surplus is the difference between willingness to get hold of an honest and also the price that customers actually purchase it. Consumer surplus is an economic measurement to calculate the benefit (i.e., surplus) of what consumers are willing to obtain an honest or service versus its value. The patron surplus formula is predicated on a theory of utility.
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You watch two otters cross a river of width d with water flowing at vw. Otter 1 swims across the river perpendicularly to the shore (but ends up actually swimming diagonally from the reference frame of a person standing on the shore because the river flows in a direction perpendicular to the direction the otter swims). Otter 2 swims in a direction that takes her directly across the river, on a path that is actually perpendicular to the shore as seen from a person standing on the shore. Each otter swims at vo relative to the water and they take the paths described above. How much longer does the Otter 2 take to cross the river? To answer this, derive an expression for the ratio of the time taken by the Otter 2 to cross the river divided by the time taken by the Otter 1 to cross the river. Get the ratio in terms of vo and vw and select the correct answer.
The fur of a sea otter is the densest of any animal, having the most hairs per square inch of any other species. Even while floating in the water, their thick fur keeps the animal warm and dry.
Sea otters decrease heat loss when the water is too cold by floating on their backs with their feet out of the water. To increase their surface area when trying to dissipate heat, sea otters spread their feet out underwater. Sea otters typically spread out or tuck their feet up to maintain body heat. The amount of food available to sea otters would decrease if prey species in their environment declined as a result of changing temperatures.
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In a mass spectrometer, a compound is first vaporized and converted into ions, which are then separated based on a difference in their _______________________.
The correct answer is their difference in the charge to mass ratio a mass spectrometer, a compound is first vaporized and converted into ions .
Mass spectrometry is a technique for determining the mass-to-charge ratio (m/z) of one or more molecules in a sample. These measurements are frequently used to calculate the precise molecular weight of the sample components.
The speed at which positively charged ions move through a vacuum chamber toward a negatively charged plate is measured by mass spectrometers. ToF, magnetic sector, and quadrupole mass spectrometers are all commonly used in SIMS instrumentation.The MS/MS has three major advantages: the ability to study numerous molecules regardless of whether they are from the same structural family or not; the ability to highlight the specific metabolites of a disease; and it is an automated technique that allows for large-scale analysis.
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Which component does the nurse analyze to identify patient problems and select appropriate nursing diagnoses? plan of care
Nursing diagnoses are created by analyzing and grouping patient assessment data in order to pinpoint patient issues and choose the best nursing diagnoses.
What do you understand by diagnoses?The practice or process of diagnosing a disease based on its symptoms and characteristics. a: the conclusion drawn from a doctor's diagnostic. b: the investigation or analysis of the nature, cause, or occurrence of a condition, circumstance, problem, or engine problems diagnostic.
Identifying a disease or problem and separating it from other potential disorders is the process of diagnosis. The word's root is the Greek word gnosis, which means knowledge. imaging using magnetic resonance.
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according to coulomb’s law, which has a greater effect on the force of attraction, increasing the magnitude of thecharge of oppositely charged particles or decreasing the distance between the charges? explain your reasoning
According to Coulomb's law distance between the oppositely charged particles will have a greater effect on the force of attraction between them.
The force of attraction is more affected by distance. The electric force of attraction diminishes by 1/r2 as the distance between the charges grows. For instance, since the repulsive force is inverse, if the distance between the two electrons were to double, it would do so by a factor of 4 rather than 2. (because of the square).
To summarize, according to Coulomb's law, the force of attraction will have the greatest dependence on the distance between the two oppositely charged particles rather than growing with the quantity of charged particles.
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A(n) _________ uses capacitors and inductors that are tuned to remove particular harmonic frequencies.
A passive harmonic filter uses capacitors and inductors that are tuned to remove particular harmonic frequencies.
A passive harmonic filter is the part of motor systems and utilizes capacitors to carry out different functions.
It is an important component that is installed in the inner side of the motor drive structure to block harmonic frequency.
There are diverse frequency drives in the motor system that produce a lot of distortion.
The purpose of harmonic filter is to reduce the noise produced by distortion.
Furthermore, if the problem is not adequately addresses then it can cause damage to nearby devices or equipment.
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Which of the following are examples of lowering unwanted friction? (SELECT ALL THAT APPLY)
A Nonstick coatings on cooking pans.
B
Putting salt or sand on icy roads.
c The holes in an air hockey table causing the puck to slide around.
D Putting chalk on your hands
before mountain climbing.
A Nonstick coatings on cooking pans.
B. Putting salt or sand on icy roads.
D Putting chalk on your hands before mountain climbing.
are examples of lowering unwanted friction
How can the friction between two surfaces be reduced?We may greatly reduce friction by polishing surfaces or by using a lot of lubricants like oil, water, or grease, but we cannot completely eliminate friction.
Nowadays, low friction coatings are a common form of industrial coating. Because of their low coefficient of friction, these coatings are given this moniker. Low coefficient of friction coatings come in a variety of forms, including PTFE, tungsten disulfide, molybdenum disulfide, etc.
A low coefficient of friction value means that less effort is needed to cause sliding than would be needed if the coefficient of friction were to be high.
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A beam of blue light in air is incident on a glass plate. will the beam transmitted through the glass plate emerge parallel to the incident beam?
If the top and bottom surfaces of the glass plates are parallel to each other, the incident and emergent beam will be parallel to each other no matter the wavelength (colour) of beam.
CASE 1 : The surface in which the beam is incident is parallel to the surface from which the beam is emitted. In this case, the incident and emergent ray are always parallel to each other no matter the wavelength (colour) of beam.CASE 2 : The surface in which the beam is incident is not parallel to the surface from which the beam is emitted. In this case, the incident and emergent ray are not parallel to each other.Refractive index is the lights bending ability when moving from one medium to another. Refractive index varies with colours but not angle of incidence and emergence.
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A cloud drifted above an airplane that was flying at 5,300 meters per minute. At a constant velocity, the cloud moved 4,620 meters to the east in 27.5 minutes. What was the cloud’s velocity?
The cloud is moving at a 352 m/min speed.
An object must move at a consistent speed and direction in order to have a constant velocity. The object can only move in a straight line if the direction is constant. So, motion in a straight line at a constant speed is defined as having a constant velocity.
The speed of the cloud remains constant. As a result, we can calculate the cloud's velocity by dividing the distance it traveled over time: -\sv=d/t
where v is the speed, d is the distance, and t is the duration.
7920 meters were covered by the cloud in 22.5 minutes, so:
- V = 7920/22.5, V = 352 m/min
Consequently, the cloud's speed was 352 m/min.
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A copper wire has a diameter of 1.572 mm. what magnitude current flows when the drift velocity is 2.29 mm/s? take the density of copper to be 8.92 103 kg/m3.
By using the drift velocity of the electron, the current flow is 6.02 ampere.
We need to know about drift velocity of electrons to solve this problem. The drift velocity can be determined as
v = I / (n . A . q)
where v is drift velocity, I is current, n is atom number density, A is surface area and q is the charge.
From the question above, we know that
d = 1.572 mm
r = (0.001572 / 2) m
v = 2.29 mm/s = 0.00229 m/s
ρ = 8.92 x 10³ kg/m³
q = e = 1.6 x 10¯¹⁹C
Find the atom density
n = Na x ρ / Mr
where Na is Avogadro's number (6.022 x 10²³), Mr is the atomic weight of copper (63.5 g/mol = 0.635 kg/mol).
n = 6.022 x 10²³ x 8.92 x 10³ / 0.635
n = 8.46 x 10²⁷ /m³
Find the current flows
v = I / (n . A . q)
0.00229 = I / (8.46 x 10²⁷ . πr² . 1.6 x 10¯¹⁹)
0.00229 = I / (8.46 x 10²⁷ . π(0.001572 / 2)² . 1.6 x 10¯¹⁹)
I = 6.02 ampere
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A ray of light in air strikes a glass surface. is there a range of angles for which total internal reflection occurs? explain.
No, there is no range of angles for total internal reflection(TIR).
What is total internal reflection?Total internal reflection (TIR) is an optical phenomenon when waves arriving at the interface (boundary) of two media, such as water and air, are entirely reflected back into the first (internal) medium rather than being refracted into the second (external). It happens when the waves are incident on the interface at a suitably oblique angle and the second medium has a higher wave speed (i.e., lower refractive index) than the first. TIR occurs not only with electromagnetic waves like light and microwaves but also with other types of waves, including sound and water waves. For instance, the water-to-air surface in a typical fish tank, when viewed obliquely from below, reflects the underwater scene like a mirror with no loss of brightness.
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Glass is an example of a/an _____________.
Answer:
solid
Explanation:
it's not liquid, nor gas, so solid.
True or false kinetic energy is the energy associated with its position or composistion
Kinetic energy is not the energy associated with its position or composition.
Energy is the crucial for sustenance of every being. The potential energy is present in every object and cannot be given to another object. Explosives contain the chemical potential energy that is released as kinetic energy and heat after ignition.
What is the kinetic energy?Kinetic energy is not energy associated with the position or composition. It is the energy related with the motion.
The total energy of the universe is a constant as energy can be changed from one form to another but cannot be created nor destroyed. Systems changes in order to lower their potential energy. Energy can be changed from one type to the another. Energy is capacity to do work.
Kinetic energy, form of the energy that an object or a particle has by reason of its motion. If the work, which transfers energy, is done on an object by applying net force, the object speeds up and thereby gains kinetic energy. The kinetic energy is a property of a moving object or particle and depends not only on its motion but also on its mass.
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a block of metal has a width of 3.2 cm , a length of 17.1 cm , and height of 4.5 cm . its mass is 1.5 kg . calculate the density of the metal.
The density of the metal is 0.006 Kg / [tex]cm^{3}[/tex]
We know that,
ρ = m / V
V = l w h
where,
ρ = Density
m = Mass
V = Volume
l = Length
w = Width
h = Height
Given that,
m = 1.5 kg
l = 17.1 cm
w = 3.2 cm
h = 4.5 cm
V = 17.1 * 3.2 * 4.5
V = 246.24 [tex]cm^{3}[/tex]
ρ = 1.5 / 246.24
ρ = 0.006 Kg / [tex]cm^{3}[/tex]
Density is defined as the amount of matter present in an enclosed boundary. It is represented as ρ.
Therefore, the density of the metal is 0.006 Kg / [tex]cm^{3}[/tex]
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Two locomotives approach each other on parallel tracks. each has a speed of 150 km/h with respect to the ground. if they are initially 9.5 km apart, how long will it be before they reach each other?
Two locomotives with a speed of 150 km/h each, reach the other in: 1.9 min
The formula of reach time and procedure we will use to solve this problem is:
Tr = x/(v2+v1)
Where:
Tr = reach timex = separation distancev2 = velocity of the faster mobilev1 = velocity of the slowest mobileInformation about the problem:
x = 9.5 kmv2 = 150 km/hv1 = 150 km/hTr=?Applying the reach time formula we get:
Tr = x/(v2+v1)
Tr = 9.5 km/(150 km/h + 150 km/h)
Tr = 9.5 km/(300 km/h)
Tr = 0.032 h
By converting the time units from (h) to (min) we have:
0.032 h * (60 min / 1h) = 1.9 min
What is velocity?It is a physical quantity that indicates the displacement of a mobile per unit of time, it is expressed in units of distance per time, for example (miles/h, km/h).
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Are the stack temperature and oxygen reasonable for these operating conditions? if not, what oxygen and stack temperature would you recommend if not? what is the efficiency with your chosen values?
Stack temperatures typically range from 350 to 450 degrees Fahrenheit. A 2.5% efficiency loss occurs for every 100 degrees over that temperature. The majority of buildings schedule annual boiler cleanings at regular intervals, but if you see those figures rise, it's time for a cleaning.
Excess air is required to completely burn the fuel since the air and fuel cannot combine exactly in a burner. Additionally, any leaks in the heater will draw air into the firebox that doesn't pass through the burners since the furnace or boiler firebox operates at a little negative gauge pressure. Fuels that are gaseous, like natural gas, burn more readily than fuels that are liquid or solid. Depending on the fuel type, different surplus air requirements will apply.
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A westward-
moving motorcycle increases its speed from 5.0
m/s to 25.0 m/s in 2.5 seconds.
magnitude=
direction=
A westward-moving motorcycle increases its speed from 5.0 m/s to 25.0 m/s in 2.5 seconds. Magnitude= direction=
Calculation
The magnitude comes according to the formula (V-U)/T
Here U (initial velocity) = 5 m/s
V (final velocity) = 25 m/s
Time taken (T) = 2.5 s
So, going according to the formula,
we will have the magnitude = (25 – 5)/ 2.5
So, the magnitude is 20/2.5 = 8
So, the magnitude is 8
And since the speed is increasing, hence the direction would be in the same direction as the body is moving. It means the direction is in westward direction.
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Elemental phosphorus occurs as tetratomic molecules, p4. what mass (kg) of chlorine gas is needed to react completely with 356 g of phosphorous to form phosphorus pentachloride?
The Mass of chlorine gas is [tex]2.60[/tex] × [tex]10^{3}[/tex] [tex]g Cl_{2}[/tex]
Mass of [tex]P_{4}=455 g[/tex]
Phosphorus and Chlorine gas are the reactants.
Phosphorus pentachloride is the product.
[tex]_P_{4}(S)+_Cl_{2}(g) ------- > _PCl_{5}(S)[/tex]
Place 1,10 and 4 as the coefficients of [tex]P_{4} ,Cl_{2} ,[/tex] and [tex]PCl_{5}[/tex]
[tex]_P_{4}(S)+10Cl_{2}(g) ------- > 4PCl_{5}(S)[/tex]
Multiply the calculated number of moles of [tex]Cl_{2}[/tex] by its molar mass. The molar mass of [tex]Cl_{2}[/tex] is 70.90 g/mol.
Mass of [tex]Cl_{2}[/tex] needed = 36.7232 mol [tex]Cl_{2}[/tex] × [tex]\frac{70.90 g Cl2}{1 mol Cl2}[/tex] = [tex]2.60[/tex]×[tex]10^{3}[/tex] [tex]g Cl_{2}[/tex]
What is elemental phosphorus used for?Fertilizers are the principal application for phosphorus, which is used in the form of concentrated phosphoric acid. Additionally, insecticides, detergents, plasticizers, and baking powder all contain phosphorus-based chemicals.
Phosphate is a key component of fertilisers and supports high crop yields. It is essential to the entire agriculture sector and cannot be easily replaced. Phosphate rock mining, however, is occurring at an unsustainable rate. By utilising microorganisms to precipitate the phosphorus, some researchers are attempting to recover phosphorus from wastewaters.
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What led to a change in the model of the atom?
Answer:
Rutherford's experiment
Explanation:
Rutherford's experiment prompted a change in the atomic model. If the positive alpha particles mostly passed through the foil, but some bounced back. AND if they already knew that the electron was small and negative, then the atom must have a small positive nucleus with the electrons around them.
Calculate the linear density of iron along [110] and [111] directions (r = 0.124 nm)
The linear density of iron along [110] and [111] directions are
[tex]LD(100) = 2.851 nm^{-1[/tex]
[tex]LD(111) = 1.646 nm^{-1}[/tex]
Linear Density = No of atom centered on the direction vector / Length of direction vector.
[tex]LD(100) = \frac{1 atom}{2R\sqrt{2} }\\LD(111) = \frac{1 atom}{2R\sqrt{6} }[/tex]
[tex]R = 0.124 nm[/tex]
So, it becomes,
[tex]LD(100) = \frac{1}{2 * 0.124 \sqrt{2} } \\= > 2.851 nm^{-1}[/tex]
[tex]LD(111) = \frac{1}{2 * 0.124\sqrt{6} } \\ = > 1.646 nm^{-1}[/tex]
Hence, the linear density of iron 110 is 2.851nm⁻¹ and the linear density of iron 111 is 1.646nm⁻¹.
Does linear density remain constant ?If a material has a non-uniform cross section, the linear mass density is a constant term that allows us to calculate the mass of the material at any given length between x = 0 and x = L. The cgs unit is g/cm whereas the SI unit for linear mass density is kg/m.
The linear density of the string and the tension in the string both affect how quickly a wave moves along a string. A string's linear density is its mass per unit length. In general, a wave's speed is determined by the square root of the medium's elastic property to inertial property ratio.
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The density of mercury is 13,580 kg/m3 and the density of water is 1000 kg/m3. the specific gravity of mercury is _____.
A fluid's specific gravity is determined by comparing its density to the density of a standard reference fluid, often water.
13,580,1000 ≈ 13.6
What is the weight density of mercury?Mercury is a highly heavy, dense metal that is silver-white and liquid at normal temperature. Because water has a density of 1.0 g/mL, and mercury has a density of 13.5 g/mL, it feels quite weighty for such a small amount of mercury.
Mercury also has a very high surface tension, which causes tiny mercury droplets to condense on glass to create virtually spherical beads. Liquid mercury can be used in thermometers like the lab thermometer below because it expands and shrinks predictably with temperature. However, due to the element's health risks, the usage of mercury thermometers has generally been discontinued.
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If the truck were instead traveling at this speed in the westbound lane, what would be the relative velocity between you and the truck?
65 mi/h would be the relative velocity between you and the truck.
What is velocity?Speed is the directional speed of an item moving as a sign of its pace of progress ready as seen from a specific casing of reference and as estimated by a specific norm of time. Speed is a principal idea in kinematics, the part of traditional mechanics that depicts the movement of bodies. It could sound convoluted, yet speed is fundamentally speeding in a particular course. It is a vector amount, and that implies we want both extent (speed) and bearing to characterize speed. The SI unit of it is meter each second (ms-1 ). In the event that there is a shift in extent or the course in the speed of a body the body is supposed to speed up.
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After the core of a sun-like star starts to fuse helium on the horizontal branch, the core becomes?
After the core of a sun-like star starts to fuse helium on the horizontal branch, the core becomes hotter.
What is a horizontal branch?This stage of stellar evolution is experienced by intermediate-mass stars, or those with masses between 0.8 and 8 M$, which includes the bulk of the galaxy's stars, including the Sun. These stars spend time on the Red Giant Branch after leaving the Main Sequence, where hydrogen burning in a shell around the central core causes their atmospheres to expand. Helium, a byproduct of the hydrogen shell-burning, is deposited in the core, raising its temperature to the point at which the triple alpha process is triggered. Three helium nuclei, often known as "alpha particles," combine during this process to create carbon-12. If this and another helium nucleus fuse, oxygen-16 is created.
The helium flash, which marks the beginning of this helium fusion in the star core, causes the temperature to rise as the radius falls, maintaining a steady luminosity. Stars in this phase are known as Horizontal Branch stars because they travel to the left, roughly horizontally, over the Hertzsprung-Russell diagram as a result of their constant luminosity and rising temperature.
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which three workers use technologies that apply the Doppler effect
A. an ultrasound technician
B. a pilot who needs to avoid bad weather
C. an insurance building inspector
D. a race-car mechanic
The three workers that use technologies that apply the Doppler effect are;
an ultrasound techniciana pilot who needs to avoid bad weathera race-car mechanicWhat is the Doppler effect?The term Doppler effect has to do with an increase or decrease in the frequency of sound as the observer moves towards or away from the source of the sound.
We know that;
fo = (v + vo/v + vs) fs
fo = frequency of the observer
v = velocity of sound
vs = velocity of source of sound
vo = velocity of observer
fs = true velocity of sound
The three workers that use technologies that apply the Doppler effect are;
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Of wavelenghts that we can use most effectively for remote sensing which correspond to both an atmospheric window and/ or the peak energy level of the sun?
Remote sensing - it is the process of detecting the characteristics of an area measuring it's reflected and emitted radiation at a distance.
IR (Infrared) is the radiation emitted from earth surface in the form of heat.
The wavelength that we use most effective for the remote sensing is of range 3µm - 35µm.
This the longest wavelength used in remote sensing.
wavelength is distance between two crests or to trough.
It is denoted by λ
λ = v/f
where λ = wavelength
v = velocity
f = frequency
unit of wavelength is meter.
A peak is highest point of wave and valley is the lowest point.
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Tides are strongest when the:________
a. sun is setting
b. earth, moon, and sun are in line.
c. body of water is very large.
d. moon and sun are at right angles to the earth.
Tides are strongest when the earth, moon and sun are in line.
What are tidal waves?A tidal wave is a periodically occurring shallow water wave brought on by the ocean's gravitational interactions with the Sun, Moon, and Earth. Despite the fact that tides have nothing to do with tsunamis, the phrase "tidal wave" is frequently used to describe them. A storm surge, storm flood, tidal surge, or storm tide is a tsunami-like occurrence of rising water that frequently occurs along coastlines during low-pressure weather systems like cyclones. It is calculated as the increase in water level over the average tidal level and excludes waves.
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Most often, a blackbody curve will have its maximum in what region of the electromagnetic spectrum?.
A blackbody curve will have its maximum in the visible region of the electromagnetic spectrum.
The blackbody graph illustrates how the intensity of light that is radiated changes as a blackbody is heated to a specific temperature.
According to the blackbody graph, a blackbody radiates energy over the whole electromagnetic spectrum once it reaches a temperature of 3,000 K. However, at a wavelength of about 1000 nm, the energy is released most strongly. This is a part of the electromagnetic spectrum's infrared range.
A few other essential points about the blackbody graph:
The total amount of energy radiated increases with temperature. No matter the temperature, the graph's red lines all follow the same pattern. The intensity of electromagnetic radiation peaks at a specific wavelength even if it is emitted across the entire spectrum.The wavelength with the highest radiation intensity varies with temperature. The radiation is most intense in the yellow-green region of the spectrum at 4,000 K. Due to the blackbody's tremendous radiation in the visible region of the electromagnetic spectrum, at 6,000 K, it would emit white hot. Keep in mind that white light is the simultaneous emission of all visible colors.Read more about Blackbody Graph:
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A. draw a longitudinal wave and label the following properties: rarefaction, wavelength, and compression. is light or sound a longitudinal wave? (3 points)
The longitudinal wave and its labels have been shown in the following diagram attached.
What is a wave?A wave is an energetic disturbance in a medium that doesn’t include any net particle motion.
Elastic deformation, a change in pressure, an electric or magnetic intensity, an electric potential, or a change in temperature are some of the possible manifestations. Physics studies a wide variety of waves. Some waves can travel through a tangible medium, while others can do so without one.
Wireless electromagnetic
Microwaves.
X-ray.
Radio frequency.
Ultraviolet rays.
Whether you’re discussing waves or vibrations, all of them may be classified according to the following four factors: amplitude, wavelength, frequency, and speed.
What are its types?Electromagnetic and mechanical waves are the two main categories of waves. Water waves, sound waves, and waves on ropes or springs are all examples of mechanical waves. In a medium, mechanical waves can move (such as air, water, glass, or rock). Magnetic waves can move through a material or through a void.
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give 5 applications of radiation in physics
Explanation:
1) Nuclear magnetic resonance imaging.
2) X-ray system.
3) Medical application.
4) Positron emission tomography.
5) Imagery techniques
What type of spectrum, if any, would be produced if the light radiated by a heated atomic gas were to be dispersed through a prism?
Complete Question
What type of spectrum, if any, would be produced if the light radiated by a heated atomic gas were to be dispersed through a prism? A. a continuous band of color B. a continuous band of color with some dark lines (missing wavelengths) C. only blue light D. only red light E. discrete lines of different colors
Discrete lines of different colors
What happens to light when dispersed through prism ?When light passes through a heated atomic gas and then dispersed through the prism, A line spectrum is obtained always. This happens because when, heated atoms of the gas will be in excited state, these excited state atoms t will emit lights of specific frequency particular to the gas. Thus, a spectra containing lines of discrete colors is obtained on the screen.
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Your friend moved from chicago to buenos aires, argentina and said that she has observed constellations that cannot be seen in chicago. could this be true? group of answer choices
Yes, if my friend moved from Chicago to Buenos Aires, Argentina and said that she has observed constellations that cannot be seen in Chicago, because, two stars in same constellation may be actually very far away from each other.
What are constellations?Constellations are the groups of stars. The constellations you can see at night depend on your location on the Earth and the time of year. Constellations were named after objects, animals, & people long ago. Astronomers today still use the constellations to name stars and meteor showers. A constellation is group of stars that looks like a particular shape in the sky and has been given a name. These stars are far away from the Earth and they are not connected to each other at all. Some stars in a constellation might be close while others are very much far away. But, if you were to draw lines in the sky between the stars like a dot-to-dot puzzle – and use lots of imagination – picture would look like an object, animal, or person.
Why constellation is so important?constellation, in astronomy, any of certain groupings of stars that were imagined—at least by those who named them—to form conspicuous configurations of the objects or creatures in the sky. Constellations are useful in assisting the astronomers and navigators to locate certain stars.
Certain constellations can only be seen in Northern Hemisphere but disappear in Southern Hemisphere, the vice-versa is true as well. The Earth is a globe because constellations appear to shift and disappear due to spherical curvature of the Earth.
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