D: Neither ultrasonic nor infrasonic vibrations can be heard by humans.
Answer
D. Neither ultrasonic nor infrasonic vibrations can be heard by humans.
Explanation
Human hearing is somehow limited. Frequencies below 20 Hz cannot be heard by human and sounds of frequencies above 20,000 Hz too. The sounds of frequency below 20 Hz are known as the infrasonic sounds. Those above 20,000 Hz are called Ultrasonic sounds.
People who view society as a set of interrelated parts that work together to produce a stable social system are said to employ the
a.
manifest function.
c.
interactionist perspective.
b.
theoretical perspective.
d.
functionalist perspective.
The people who see society as a collection of interconnected components that cooperate to create a stable social order are said to use a Functionalist Perspective. Hence, option D is correct.
What is a Functionalist Perspective?Each component of society is interrelated and contributes to the stability and smooth operation of society as a whole, according to the functionalist perspective in sociology. For instance, the government pays for the education of the family's children, who then pay taxes that the state needs to function.
In other words, the family depends on the school to assist kids in getting decent careers as adults, so they can support and raise their own families.
If everything works out, society's constituent elements provide production, stability, and order. If things do not go as planned, the components of society must then adjust to reestablish a new order, stability, and productivity.
Hence, the people who see society as a collection of interconnected components that cooperate to create a stable social order are said to use a Functionalist Perspective.
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Floods, droughts, fires, and earthquakes are examples of _____.
Natural disasters
Explanation;Floods, droughts, fires, and earthquakes are examples of natural disasters.Natural disasters are events that occur as a result of natural processes of the earth and cause adverse effects. They include, floods, volcanic eruptions, tsunamis, tornadoes, and hurricanes among others.These events are extreme, sudden events caused by environmental factors that injure people and damage property. For example, floods and earthquakes may strike anywhere on earth , often without warning.If you hit another object with your vehicle, your _____ will be slowed or stopped by the force of impact caused by that object upon impact.
Consider the transition from the energy levels n = 3 to n = 6. what is the wavelength associated with this transition, in nm?
In egypt, the physiologic density is ______ greater than the arithmetic density [estimate value], because _______ [reason for difference].
Which of the following is a clue of a chemical change?
A. iron changes color when heated
B. gas bubbles form in boiling water
C. balls of wax form when melted wax is poured into ice water
D. a gas forms when vinegar and baking soda are mixed
How much force is needed to accelerate your body at a rate of 2 m/s2 if you weigh 45 kg?
if a 25kg block is being suspended 3 meters in the air, what is the potenti energy
An astronaut is taking a space walk near the shuttle when her safety tether breaks. what should the astronaut do to get back to the shuttle
An untethered astronaut can return to the shuttle by using conservation of momentum or a safety jetpack known as Simplified Aid for EVA Rescue (SAFER). The first method involves throwing an object in the opposite direction, and the other involves using SAFER to propel back.
Explanation:If an astronaut finds themselves adrift in space without a tether, their best bet would be to try and use conservation of momentum to return to the shuttle. They can do this by throwing an object in the opposite direction they wish to travel -- such as a tool or even their own glove. This action would propel them back towards the shuttle due to Isaac Newton's Third Law of Motion: For every action, there is an equal and opposite reaction.
Additionally, astronauts carry a safety jetpack called a Simplified Aid for EVA Rescue (SAFER) during spacewalks. They could use this to propel themselves back towards the shuttle.
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As much as 90% of the matter in the universe may be unseen “dark matter.” where is this dark matter?
Final answer:
Dark matter is an unseen substance that makes up about 90% of the universe's mass, detectable through its gravitational effects on visible matter. It exists in a halo around galaxies and is essential for understanding the universe's composition and expansion fate.
Explanation:
The unseen matter that may constitute as much as 90% of the universe is known as dark matter. This dark matter is not directly observable because it does not emit or reflect any electromagnetic radiation. However, its existence is inferred from gravitational effects on visible matter, radiation, and the large-scale structure of the universe.
For example, galaxies contain far more mass than can be accounted for by the visible objects we can observe, and this extra mass is attributed to dark matter. The rapid rotation of stars on the outskirts of galaxies is one such gravitational effect indicating the presence of dark matter in a halo around the galaxies.
Discovering the true nature of dark matter is crucial as it may provide insights into particle physics and cosmology. There are theories that dark matter could be composed of neutrinos with a small mass or entirely new types of particles that have never been detected.
The understanding and evidence of dark matter continue to evolve, highlighting its importance in the universe's critical density and its possible role in the ultimate fate of the cosmic expansion.
If you lose __________, braking may cause the vehicle to steer left or right unpredictably.
Answer:
Steering control
Explanation:
If you lose Steering control , braking may cause the vehicle to steer left or right unpredictably. Steering is collection components and linkages that control the direction of wheel of vehicle on road. Once the steering control is lost , the driver is not able to guide the vehicle and on braking, the vehicle can move in any direction unpredictably.
Wich group contains elements that are mostly likely to have similar properties
The length of a sheet of U.S. standard (letter-size) paper is closest to
Answer:
I think is 8.5" x 11"
Explanation:
What is the weight, in pounds, of a 255-kg object on jupiter? express the weight numerically in pounds?
The weight of a 255-kg object on Jupiter is approximately 1421.6 pounds, after converting kilograms to pounds and adjusting for Jupiter's greater gravitational force.
Explanation:To calculate the weight of a 255-kg object on Jupiter, we need to convert the mass in kilograms to pounds and then consider Jupiter's stronger gravitational pull. The weight calculation on Earth uses the conversion where 1 kg is equivalent to 2.205 pounds. However, since Jupiter's gravity is approximately 2.53 times that of Earth, we must multiply the Earth weight by this factor. Using the provided conversion factor, 255 kg on Earth is equivalent to 255 kg × 2.205 lb/kg which is approximately 561.975 lb. To find the weight on Jupiter, multiply this result by Jupiter's gravity factor: 561.975 lb × 2.53 = 1421.59725 lb. Considering significant figures based on the conversion factor of pounds and tenths place rounding, the weight would be reported as 1421.6 lb.
A laser used to dazzle the audience at a rock concert emits blue light with a wavelength of 463 nm . calculate the frequency of the light.
The wavelength of light is given as 463 nm or can also be written as 463 x 10^-9 m. [wavelength = ʎ]
We know that the speed of light is 299 792 458 m / s or approximately 3 x 10^8 m / s. [speed of light = c]
Given the two values, we can calculate for the frequence (f) using the formula:
f = c / ʎ
Substituting the given values:
f = (3 x 10^8 m / s) / 463 x 10^-9 m
f = 6.48 x 10^14 / s = 6.48 x 10^14 s^-1
f = 6.48 x 10^14 Hz
Final answer:
The frequency of blue light with a wavelength of 463 nm is calculated using the speed of light and the formula for frequency, resulting in a frequency of 6.48 × 10¹⁴Hz.
Explanation:
To calculate the frequency of blue light emitted by a laser at a rock concert with a wavelength of 463 nm, we use the formula c = λf, where c is the speed of light (3.00 × 108 m/s), λ is the wavelength in meters, and f is the frequency in Hertz (Hz).
First, convert the wavelength from nanometers to meters: 463 nm = 463 × 10-9 meters.
Next, plug the values into the formula: f = c / λ = (3.00 × 10⁸ m/s) / (463 × [tex]10^-^9[/tex] m) = 6.48 × 10¹⁴ Hz.
Therefore, the frequency of the blue light is 6.48 × 10¹⁴Hz.
What effect does heating a solid to a high temperature have on its crystal lattice?
The lattice breaks apart and the ions flow freely. Gradpoint answer
Lines with irregular meter and length are called _____.
Lines with irregular meter and length are called Free Verse.
Free Verse, a literary device in literature refers to the poetry which is free from defects of regular rhythm or meter and length. There is no rhythm of the words, and no rhyme scheme in such kind of literary pieces. These kind of poems simply do not follow the rules of poetry.
Which rf characteristic best determines the range of a 2.4 ghz ism signal?
A ufo was detected on the radar flying 7400 miles in 3 min, what is the estimated speed per hour?
The human body is an organism made up of cells, tissues, organs, and organ system. Here are examples of three types of muscle tissue that are made of very different cells. How can scientists determine what type of cells make up each of these three tissues? A) By using a magnifying glass to observe each tissue. B) By collecting the tissues of people who have died and making observations. C) By dissecting the tissues and then making observations using a dissecting scope. Eliminate D) By placing samples of each tissue on a slide and viewing the slides using a microscope.
Which type of noise has sound at every frequency within the range of human hearing?
Answer:
Explanation:
Noise which falls under human hearing range means from 20 Hz to 20,000 hz has sound at every frequency. The audible range from human is 20-20,000 hz so every noise within this range is audible to humans. Some animals such as whale, dolphin, bat communicate( to get their prey) beyond this range.
What best describes the overall impact of wilhelm roentgen's discovery of x-rays?
A force scale is attached to a stack of books lying on a flat table. 1.What happens to the size of the static frictional force as you begin to pull on the force scale? 2.What happens to the stack of the books if the applied force exceeds the maximum static frictional force? 3.What is the minimum size for the static frictional force, and under what conditions will the minimum static frictional force be observed? 4.What type of friction acts when the books are at rest but a force is exerted?
Static frictional force matches the applied force up to its maximum, after which the books slide, switching to kinetic friction. Minimum static friction is zero and occurs with no applied force. When resting books are subjected to a force below the static threshold, static friction acts.
Explanation:Frictional Forces and a Stack of Books
When you begin to pull on a force scale attached to a stack of books lying on a table, the size of the static frictional force initially increases to match the applied force, up to its maximum value. If the applied force exceeds this maximum static frictional force, the books will begin to slide across the table, transitioning to a state where kinetic friction is acting on them. The minimum size for the static frictional force is observed when there is no applied force, and in such cases, it is effectively zero. While the books are at rest and a force is exerted that is below the static friction threshold, the type of friction acting is still static friction.
What is the most relevant characteristic of motion
What is the term for the disturbed water left behind as a boat moves through the water?
Answer:
Wake
Explanation:
As a boat moves through a water body (sea, river or ocean), the propeller causes the water to be separated as the boat moves. This separated water forms a new pattern based on the disturbance conferred by the boat. The disturbed water forms a visible huge flow of water sideways and backwards (based on the speed, size and weight of the boat). This disturbed water is referred to as the wake of the boat.
Liquid flows through a 4.0 cm diameter pipe at 1.0 m/s. there is a 2.0 cm diameter restriction on the line. what is the velocity in this restriction?
The question pertains to the principle of continuity in fluid dynamics. When fluid flows from a wider to a narrower part of a pipe, its velocity increases to ensure that the mass flow rate remains constant. The velocity at the restriction can be found by plugging the appropriate area and velocity values from the wider part of the pipe into the continuity equation.
Explanation:The subject in question relates to the physics principle of fluid dynamics. Specifically, we're discussing the continuity equation, which states that the mass flow rate must be constant throughout the pipe, irrespective of changes in the pipe's diameter. This is because the fluid is incompressible, meaning the same amount of fluid must flow past any point in the tube in a given time to ensure continuity of flow. Consequently, when the cross-sectional area of the pipe decreases, the velocity increases.
The formula that represents the continuity equation is A₁V₁= A₂V₂, where A represents the cross-sectional area of the pipe and V represents the velocity of the fluid. To find the velocity at the restriction (V₂), we must plug in the values for A₁, V₁, and A₂. Here, A₁ is the cross-sectional area of the larger part of the pipe, V₁ is the velocity in the larger pipe, and A₂ is the cross-sectional area of the restricted part.
To calculate A₁ and A₂, we use the formula for the area of a circle, which is A=πr². For A₁, r (radius) is half of the larger diameter, that is, 2 cm and for A₂, r is 1 cm (half of the restricted diameter). Substituting these values into the continuity equation will yield the desired velocity at the restriction (V₂).
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If 3.5 paper clips = 1.0 pencils and your paper is 1.5 pencils long, how many paper clips long is your paper?
If 3.5 paper clips = 1.0 pencils and your paper is 1.5 pencils long, then your paper would be 5.25 paper clips long.
What is the scale factor?It is defined as the multiplication factor used for the design of an object with respect to some other object. the scale is generally used to design prototype designs of large objects. It is also used in interior design planning rooms.
It is multiplied by the design dimension to get the actual size of the object or product.
As given in the problem If 3.5 paper clips = 1.0 pencils and your paper is 1.5 pencils long, this means the scale factor of the pencil as a paper clip is 3.5
1 pencil = 3.5 paper clips
1.5 pencils = 1.5 × 3.5 paper clips
= 5.25 paper clips
Thus, If 3.5 paper clips = 1.0 pencils and your paper is 1.5 pencils long, then your paper would be 5.25 paper clips long.
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Which one of these foods must be cooked to at least 165°f?
a. ground beef
b. pork
c. vegetables
d. chicken?
Among the foods mentioned - ground beef, pork, vegetables, and chicken - chicken is the one that must be cooked to at least 165°F to safely consume and ensure all harmful bacteria have been killed.
Out of the foods listed - ground beef, pork, vegetables, and chicken - the one that must be cooked to at least 165°F (73.9°C) is chicken.
Poultry, including chicken, should be cooked to a minimum internal temperature of 165°F as recorded on a food thermometer, to kill off any harmful bacteria that may be present. The safe minimum cooking temperature for ground meat, such as ground beef and pork, is lower at 160°F. Vegetables can be eaten raw or cooked to any preferred temperature.
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Which statement best explains why electricity should be conserved?
A. Fossil fuels generate electricity and are limited in supply.
B. Fossil fuels generate electricity and are exspensive.
C. Power plants use a lot of resources and never produce a lot of electricity
D. Power plants can use only one type of resource to produce electricity.
If a proton is released at the equator and falls toward earth under the influence of gravity, the magnetic force on the proton will be toward the ____ assuming the magnetic field is directed toward the north at this location.
The magnetic force on a proton falling towards Earth at the equator, with the Earth's magnetic field directed north, will be towards the west due to the right-hand rule for magnetic forces on charged particles.
Explanation:If a proton is released at the equator and falls towards Earth under the influence of gravity, and assuming the magnetic field is directed toward the north at this location, the magnetic force on the proton will be towards the west. This assertion is based on the right-hand rule for magnetic force, which states that if you point the fingers of your right hand in the direction of the proton's velocity (downward towards Earth), and bend your fingers in the direction of the magnetic field (north), your thumb will point in the direction of the magnetic force on a positively charged particle, which in this case is to the west.
This scenario exemplifies the interaction between charged particles and magnetic fields. The force on a charged particle moving through a magnetic field is always perpendicular to both the velocity of the particle and the magnetic field, which can result in circular or helical motion depending on the context.