Answer:
White with black lettering
Explanation:
Generally they are yellow with black lettering but that's for highways at least the state I live in.
Hope this helps!
A high-voltage power line is a catenary described by y = 9cosh(x/9) find the ratio of the area under the catenary to its arc length.
The correct answer for the ratio of the area under the catenary to its arc length is 12 : 1 .
y = 12cosh(x/12) Since the анс length from FGN) on the interval [c, d] is Arc length =
Let y' =f'(x) prime = derivative of 12cosh(x/12) for x = Sinh(x/12) .
. A(x) length = ∫√1+ Sinh² (1/2). dx
= int c ^ d sqrt(cosh^2 (alpha/12)) * dx
= integrate d from c to d cosh( x 12 )* dx
=[12. sinh(x/12) ] e ^ d
= 12[sinh(d/12) - sinh(c/12)]
and area under f(x) on the interval [c, d]
Area = ∫ f(x).dx from [c,d ]
= 144[sinh(d/12) - sinh(c/12)]
the area ratio of the area under the catenary to it's length is
= 144[sinh((d)/12) - sinh(c/12))/ 12[sinh( d/ 12 ) -sinh( c /12 )] .
=12
So, ratio is 12:1
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Identify the type of circuit in which the user retains the physical path through the network, but only for the duration of a call.
Switched Circuit: This type of connection only maintains a dedicated physical circuit or path between two network nodes for the duration of the connection before data may be transmitted.
What do you mean by circuit?A circuit in electronics is a complete circular channel via which electricity flows. A current source, conductors, and a load make up a straightforward circuit. The term circuit can be used in a broad sense to refer to any permanent path that energy, data or a signal can go through.
What are the 3 types of circuits?Circuits can be divided into three categories: series, parallel, and series-parallel. The typical configuration of a single electrical circuit includes one or more resistance or load devices.
What function does a circuit represent?The closed loop in which electricity can move is referred to as a circuit. Electricity can flow in a closed circuit without interruption from the power source through the conductor or wire to the load before returning to the ground or power source.
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A star that has exhausted its supply of hydrogen is considered _____. group of answer choices
a. depleted
b. eroded
c. mature
d. dead
Answer:
A mature star is a star that has exhausted its supply of hydrogen
Explanation:
For the most part, a star is powered by nuclear fusion. The energy is first produced by the fusion of hydrogen atoms in the core of a main-sequence star. Later, when the helium predominates in the core, stars like the Sun begin to fuse hydrogen along a spherical shell around the core. This allows the star to steadily increase in size, passing through the subgiant stage and eventually reaching the red giant stage.
When they reach this stage, the hydrogen in them nearly completely depletes, and they get brighter and hotter, eventually becoming low-mass white dwarfs.
When a star's supply of hydrogen in its core runs out, leaving only helium, the outward force provided by fusion begins to diminish, and the star can no longer maintain equilibrium. When the force of gravity exceeds the force of internal pressure, the star begins to disintegrate. The outcome of this collapse is determined by the mass of the star.
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A flea jumps straight up to a maximum height of 0.410 mm . what is its initial velocity v0v0v_0 as it leaves the ground
v₀= 2.83478394238 is its initial velocity v₀ as it leaves the ground.
What is velocity?The rate at which an object's position changes when observed from a specific point of view and when measured against a specific unit of time is known as its velocity.
What about the velocity formula?The equation v = s/t denotes the vector variable velocity (v), which quantifies movement (or change in location, s), over change in time (t).. Speed (or rate, r) is a scalar number that represents the amount of time (t) spent traveling in relation to the amount of distance (d), as shown by the equation r = d/t.
According to the given statement:Maximum Height h= 0.410 m
acceleration g= 9.80 m/s² down
let initial speed is Vo.
At maximum height final speed of flea is zero.
From kinematic equation,
v² = v₀² + 2as
0² = v₀² - 2gh
v₀² = 2gh
v₀= [tex]\sqrt{2gh}[/tex]
v₀= [tex]\sqrt{2*9.8*0.41}[/tex]
v₀= 2.83478394238.
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when the capacitor fully charges and saturates in voltage, do you expect the voltage across the capacitor to be the same as the battery voltage, less than the battery voltage, or greater than the battery voltage?
When the capacitor is fully charged, the potential difference across the capacitor is equal to the voltage source.
Capacitor is a device which stores charges. Charges come from the current passing through it.
The charges stored in a capacitor is called capacitance.
Its unit is farad (F)
No current flows in the circuit when a capacitor is fully charged because the potential difference across the capacitor is equal to the voltage source.
Here, the charging current will be zero such that capacitor voltage equal to source voltage.
When the capacitor is fully charged, the potential difference across the capacitor is equal to the voltage source.
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True or false: in applying the pythagorean theorem to vector addition, the resultant vector is given by the perpendicular vector.
It is False in applying the pythagorean theorem to vector addition, the resultant vector is given by the perpendicular vector
What is Pythagoras theorem ?A useful technique for figuring out the outcome of adding two (and only two) vectors that form a right angle to one another is the Pythagorean theorem. The technique cannot be used to combine more than two vectors or to combine vectors that are not at a 90-degree angle.
The Pythagorean Theorem is named for Pythagoras of Samos, a religious figure and mathematician who held the view that everything in the cosmos is made up of numbers. (There are numerous ways to demonstrate this.) The side opposite the right angle is known as the hypotenuse in a right triangle.The Pythagorean Theorem demonstrates how the side lengths of a right triangle can be calculated from the sum of the areas of three intersecting squares. This theorem is a very helpful tool that serves as the foundation for more intricate trigonometry ideas like the Pythagorean theorem's opposite.Learn more about Pythagoras theorem here:
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A balloon is a sphere with a radius of 5.0 m. the force of air against the walls of the balloon is 45 n. what is the air pressure inside the balloon?
The air pressure inside the balloon is: 0.1432 Pa
The formulas and procedures that we will use to solve this problem are:
a = 4 * π * r²P = F/aWhere:
a = area of the spherer = radiusπ = mathematical constantP = PressureF = Forcea = surface areaInformation about the problem:
r = 5.0 mF = 45 N1 Pa = N/m²1 N = kg * m/s²a=?P=?Using the formula of the sphere area we get:
a = 4 * π * r²
a = 4 * 3.1416 * (5.0 m)²
a = 314.16 m²
Applying the pressure formula we get:
P = F/a
P = 45 N/314.16 m²
P = 0.1432 Pa
What is pressure?It is a physical quantity that expresses the force applied on the area of a surface.
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1) If students spend more time using TikTok, then they will read fewer books. Independent Variable:
Dependent Variable:
Answer: number of books
Explanation:
Which has the highest heat capacity? (values of heat capacities and calculations are unnecessary).
Water has the maximum specific heat capacity of any fluid.
The amount of heat that one gram of a material needs either absorb or lose in order to alter its temperature by a degree Celsius is known as specific heat. This equates to one caloric, or 4.184 Joules, for water.
High heat capacity: what is it?Consider the amount of time it takes for a pot to get warm to the touch on the stove as opposed to how long it takes for the water within to warm up. A substance with a high heat capacity may absorb a lot of heat before registering a change in temperature.Why does water have the greatest ability to retain heat?Although the hydrogen bonds in water are much too weak to be compared to intra - molecular bonds like covalently or ionic bonds, they are nevertheless strong enough to require a lot of energy to break. Water boils at 100°C for this reason.
Many people believe hydrogen bonding is the cause of water's high specific heat.
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The density beyond which people cease to be nutritionally self-sufficient is called:________
Physiological nutrition is the density at which people are no longer self-sufficient in terms of nutrients.
How the body absorbs nutrients from food, how we get the energy we require, how we use nutrients, and how all of this relates to health and disease are all topics covered by nutrition physiology.
Why does physiology need nutrition?
Nutritional requirements exist in addition to daily energy requirements in order to keep the body from losing its own proteins, carbs, and lipids. Such molecules must be replenished frequently because they are constantly broken down.An organism uses food to prolong its life through some kind of biochemical and physiological process known as nutrition. It gives living organisms nourishment that can be transformed into energy and chemical building blocks.The ingestion of nourishment, meeting psychological needs, and bodily adjustment are the three purposes of food.To learn more about Physiological nutrition, visit:
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4. Computer programmers in the 1970s thought 8 kilobytes was a lot of memory and the
computers fit the space of about 10 textbooks. Some cell phones today can store 128
Gigabytes. How many 1970 computers would it take to match the memory of a cell
phone today?
Answer:
1.28E11 / 8.0E3 = 1.60E7 computers (16,000,000 computers)
Ordered: vistaril 75 mg im now. used with permission from pfizer, inc how many ml will you give for each dose?
Option c) 1.5 ml of volume will be given for each dose.
How does Vistaril work and what does it do?The prescription drug Vistaril is used as preoperative sedation, to treat anxiety symptoms, and to cure skin hives or itching. Vistaril may be taken either on its own or along with other drugs.
The class of medications that includes Vistaril includes antiemetic agents, first-generation antihistamines, and piperazine derivative antihistamines.
What Vistaril side effects might there be?Serious adverse reactions to Vistaril include:
Heartbeats that are rapid or hammering, headaches accompanied by chest pain, extreme dizziness, fainting, and convulsions (seizures)
Immediately seek medical attention if you experience any of the above symptoms.
The most typical Vistaril side effects include:
Fatigue, headache, dry mouth, and rash on the skin
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Convert the following temperatures.
a. 75 K to degrees Fahrenheit
b. 96°F to degrees Celsius
What is the composition, in atom percent, of an alloy that consists of 92.5 wt g and 7.5 wtu? the atomic weights for silver and copper are 107.87 and 63.55 g/mol, respectively.
The composition in atom percent of an alloy that consists of 92.5 wt. g and 7.5 wtu is 12 %
Silver's atomic weight = 107.87 gm / mol
Weight in atoms of copper = 63.55 gm / mol
Percentage of silver weight =-92.5 %
Percentage of copper = 7.5 %
Percent composition of silver =
Weight of silver * weight of copper / percent of silver * weight of Copper + percent of copper * weight of silver *100
= 92.5 * 63.55 / 92.5 * 63.55 + 7.55 *107.87 *100
= 87.9%
Percent composition of copper =
Percent of copper * weight of silver / percent of silver * weight of Copper + percent of copper * weight of silver *100
=7 .5 * 63.55 / 92.5 * 63.55 + 7.55 *107.87 *100
=12.1 %
The atomic mass of an element is defined as ?This statement is False.
Atomic mass (sometimes known as atomic weight, however this term is erroneous because the mass is a property of the body while the weight depends on gravity) is the mass of an atom that corresponds to a certain chemical element. Typically, the uma (u) is employed as a unit of measurement. where u.m.a. stands for "unit of atomic mass." In honor of the English chemist John Dalton, this unit is also frequently referred to as the Dalton (Da). The Dalton is equal to one-twelfth of the mass of the carbon-12 nucleus, the most common isotope of carbon. It roughly equates to the mass of a proton (or a hydrogen atom). It is referred to as "uma," while "amu" is also its English abbreviation (Atomic Mass Unit). However, The suggested character is "u".
The weighted average of the masses of each isotope of each chemical element, which takes into account their relative abundance, is typically used to calculate the atomic masses of the chemical elements. This is what accounts for the discrepancy between an element's atomic mass in umas and the number of nucleons that contain the nucleus of its most prevalent isotope.
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A donkey starts from rest and accelerates for 6.7 s at a rate of 1.6 m/s².
What is the maximum speed the donkey achieves? Round your answer
to 2 decimal places.
The maximum speed of the donkey is 10.72m/s
The question is based on the principle of motion in one dimension and hence formulas of motion in one dimension can be applied.
It is given that donkey attains an acceleration of 1.6 m/s^2
The time taken to accelerate to given speed is 6.7 seconds
We use the formula v=u + at to find the fastest speed
v is the final or maximum speed
u is the initial speed which in this case is 0 as the donkey is at rest
a is the acceleration of the donkey
t is the time taken in seconds
v = u + at
v= 0 + 1.6 x 6.7
= 10.72 m/s
Hence the donkey obtains the speed of 10.72 m/s
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Astronomers typically measure the color of stars at multiple wavelengths. the difference in the magnitude of the stars as measured in two parts of the spectrum is known as its:________
Astronomers typically use filters that exclusively transmit light from a specific narrow band of wavelengths to measure a star's apparent brightness in order to determine the precise color of a star (colors).
Around 0.001 magnitude of starlight may be measured with accuracy by photoelectric photometers. The method of surface photometry, which gauges apparent magnitude in magnitudes per square arcsecond, can also be applied to extended objects like planets, comets, nebulae, and galaxies. The varied hues are caused by the light's estimated blackbody radiation, which is more sensitive to the star's temperature than to the specifics of its composition. As a result, astronomers can gauge a star's surface temperature by observing its hue.
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What approach responds to the limitations of the other legacy-measuring methods?
The other-legacy measuring methods' weaknesses are addressed by the bottom-up approach.
An organizational decision-making process known as a "bottom-up approach" begins at the bottom of the hierarchy rather than the top. In actuality, this means that choices won't always be made by the CEO or department head (this is known as a top-down approach).
What distinguishes a bottom-up strategy from a top-down approach?
When choices affecting the entire organization are made, top-down management is used, whereas bottom-up management involves all teams in these types of decisions.The bottom-up approach often focuses its analysis on specific traits and micro features of a single stock. The focus of bottom-up investment is on fundamentals that apply to individual companies or industries.What bottom-up management has to offer:
Promoting cooperation.Enhancing morale. Creating new insights. Enabling your group.To learn more about Bottom-up approach, visit:
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what is nuclear emission?
Blood contains different parts mainly plasma and red blood cells when people give blood there are machines that separate
The correct answer is centrifuge.
Your complete blood is drawn out during an apheresis procedure, which is used to donate platelets. Your blood is spun in a centrifuge to separate your plasma, platelets, and red blood cells. As the blood is divided, the heavier reds cells drop to the bottom and are given back to you.
Between the liquid plasma and the platelets that are tracked into a small pouch that is wrapped around the centrifuge cylinder as the liquid plasma rises. When you donate blood, your spleen releases stockpiled platelets into your bloodstream in an effort to stop the bleeding.
As a result, more platelets and plasma are collected, enabling you to donate one, two, or even three doses of platelets in a single visit. Your healthy bone marrow quickly starts producing additional platelets from stem cells to replace those that have been given while this is happening.
Since only one donor is used for the donation, platelet donors are able to provide patients with a greater amount and higher-quality platelets to aid in their fight for survival.
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After oxygen has been administered, the next priority intervention the nurse would initiate for a patient with a pulmonary embolus is the administration of which of these therapies?
After oxygen has been administered, the next priority intervention the nurse would initiate for a patient with a pulmonary embolus is the administration of IV Heparin.
What is Heparin?Heparin is a prescription medicine used to treat and prevent symptoms of blood clots caused by medical conditions or medical procedures. Heparin may be used alone or with the other medications. Heparin belongs to a class of drugs called the Anticoagulants, Cardiovascular, Anticoagulants, Hematologic.
What are the side effects of Heparin?Heparin may cause serious side effects including:
skin warmth or discoloration,
chest pain,
irregular heartbeats,
shortness of breath,
dizziness,
anxiety,
sweating,
unusual bleeding or bruising,
severe pain or swelling in your stomach, lower back/growing
dark or blue-colored skin on your hands/feet,
nausea,
vomiting,
loss of appetite,
unusual tiredness,
bleeding that will not stop,
nosebleed,
blood in the urine or stool,
black or tarry stools,
coughing up blood or vomit that looks like the coffee grounds,
skin changes where the medication was injected,
fever,
chills,
runny nose,
watery eyes,
easy bruising,
purple or red spots under your skin,
sudden numbness or weakness,
problems with vision or speech, and
swelling or redness in an arm or leg
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use the midpoint rule with n = 4 to estimate the work w (in j) done by the force in moving an object from
The work w (in j) done by the force in moving an object is 222.4 J
We know that,
[tex]M_{n}[/tex] = ∑[tex]_{i = 1}^{n}[/tex] f ([tex]m_{i}[/tex] ) Δ
where,
i = [tex]i^{th}[/tex] rectangle
n = Number of rectangles
f ([tex]m_{i}[/tex] ) = Function of the curve evaluated at the midpoint of the [tex]i^{th}[/tex] rectangle
[tex]m_{i}[/tex] = Midpoint of [tex]i^{th}[/tex] interval
Δ = Width of each rectangle
Given that,
x 5 9 13 17 21 25 29 33 37
f(x) 5 5.5 6.8 8.8 9.8 8.1 6.7 5.4 4.2
n = 4
Δ = ( 37 - 5 ) / 4
Δ = 8
∫[tex]_{5} ^{37}[/tex] f (x) dx = ∑[tex]_{i = 1}^{4}[/tex] f ([tex]m_{i}[/tex] ) Δ
∑[tex]_{i = 1}^{4}[/tex] f ([tex]m_{i}[/tex] ) Δ = 8 ( 5.5 +8.8 + 8.1 + 5.4 )
∑[tex]_{i = 1}^{4}[/tex] f ([tex]m_{i}[/tex] ) Δ = 222.4
∫[tex]_{5} ^{37}[/tex] f (x) dx = 222.4 J
The midpoint rule, also known as the midpoint Riemann sum is used to estimate integral of a function or area under a curve.
Therefore, the work w (in j) done by the force in moving an object is 222.4 J
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When the electron in h is in the 1st excited state the energy range for range 2 is?
For electron in 1st excited state of H the energy range for range 2 is 1.9eV-3.4eV
Why are photons emitted?The excited state of an atom is typically not the most stable state. There is a chance that an electron will drop spontaneously from one excited state to one with a lower (more negative) energy level. An electron releases the extra energy, which is positive, when it moves from one level to another by emitting a photon
What are the three groups for first excited state of hydrogen where the photon interacts with hydrogen?The various groups are
1)Range 1: 0eV to 1.8eV
2)Range 2: 1.9eV to 2.4eV
3)Range 2:>3.5eV
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Materials whose constituent particles are bound by which type of bond are generally expected to have the lowest melting temperatures?
Materials whose constituent particles are bound by Vander waal's type of bond are generally expected to have the lowest melting temperatures
What is Vander waal's interaction ?When two atoms are close enough to each other that their outer electron clouds just barely contact, van der Waals interactions take place. This causes charge oscillations that produce a unidirectional, nonspecific attraction.
Hydrogen bonding, dispersion forces, and dipole-dipole interactions are examples of van der Waals forces.Van der Waals forces come in three different flavours: dispersion (weak), dipole-dipole (medium), and hydrogen (strong). Polar molecules and ions join together to produce ion-dipole bonds, which connect ionic species to covalent molecules. Usually, these chemicals form medium- to strong-bonding structures.Learn more about Van der Waals forces here:
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A sample of gas in a closed container at a temperature of 76°c and a pressure of 5. 0 atm is heated to 399°c. What pressure does the gas exert at the higher temperature? report your answer in atmospheres to one decimal place.
By using ideal gas approximation, the final pressure is 9.6 atm.
We need to know about ideal gas to solve this problem. The ideal gas will follow the rule
P . V = n . R . T
where P is pressure, V is volume, n is the amount of substance, R is the ideal gas constant (8.31 J/mol.K) and T is temperature.
In the isochoric process where the initial and final volume is the same, the temperature and pressure will follow the rule
P1/T1 = P2/T2
where P1 is initial pressure, P2 is final pressure, T1 is initial temperature and T2 is final temperature. (Temperature in Kelvin)
From the question above, we know that:
P1 = 5.0 atm
T1 = 76°C = 349 K
T2 = 399°C = 672 K
By substituting the parameters, we get
P1/T1 = P2/T2
5.0/349 = P2/672
P2 = 9.6 atm
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Autotransformers are especially practical if the difference between the primary and secondary voltages is _____.
Autotransformers are especially practical if the difference between the primary and secondary voltages is realtively small.
What is Autotransformer?An autotransformer is a type of electrical transformer that has just one winding. The word "auto" refers to a single coil that runs autonomously, not to a system that runs without human intervention. The primary winding and secondary winding sides of an autotransformer are distinct portions of the same winding. While there is no metallic conducting channel between the primary and secondary windings of a normal transformer, they are separate. The autotransformer winding has at least three taps that are utilized to connect electrical appliances. In terms of size, weight, and cost, autotransformers usually outperform conventional dual-winding transformers, but they also have the disadvantage of lacking electrical isolation between the primary and secondary circuits. Autotransformers also have advantages in terms of reduced leakage reactance, fewer losses, lower excitation current, and higher VA rating for a given size and mass.Learn more about the Autotransformer with the help of the given link:
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___________ measurements of the orbital radii of six of the planets were very accurate compared to our modern values.
Copernicus measurements of the orbital radii of six of the planets were very accurate compared to our modern values.
Describe Copernican heliocentrism.Nicolaus Copernicus created the Copernican heliocentrism astronomical theory, which was first presented in print in 1543. This theory put the Sun in the centre of the cosmos, stationary, and had Earth and the other planets orbit it at uniform speeds in circular orbits modified by epicycles. The geocentric Ptolemaic paradigm, which put Earth at the centre of the cosmos for ages, was replaced by the Copernican model.
Although he had shared a draught of his own heliocentric theory with peers before 1514, he did not choose to publish it until after being persuaded to do so by his student Rheticus.
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A jetliner goes from rest to a takeoff speed of 183 mi/h in 36.1 s. what is the magnitude of its average acceleration?
A jetliner goes from rest to a takeoff speed of 183 mi/h in 36.1 s.
the magnitude of its average acceleration is 81.80
CalculationTake off speed of the jetliner = 183 mi/h
so time taken = 36.1s
average acceleration = change in velocity / time taken
= (183 x 1609.3)/ 3600
= 81.80 m/[tex]s^{2}[/tex]
What is average acceleration?The rate at which an object’s velocity changes is measured as its acceleration. Since it is a vector, speed and direction are also included. In the SI, acceleration is measured in meters per second squared (m s 2).
An object’s velocity is how quickly it is travelling in a specific direction. A vector, that is. In the SI, velocity is measured in meters per second (m s).
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What is the average rate of decomposition of a3 in the time interval 20-30 seconds?
5.0E-6(0.000005) is the average rate of decomposition of a3 in the time interval 20-30 seconds.
what is decomposition?Decomposition, often known as rot, is the breakdown of dead organic matter into more basic organic or inorganic components such carbon dioxide, water, simple sugars, and mineral salts.The procedure, which is a component of the nutrient cycle, is crucial for recycling the limited amount of stuff that takes up real estate in the biosphere.After a live thing dies, its body starts to decay.Animals like worms also contribute to the breakdown of the organic compounds. Decomposers are organisms that carry out such processes.Despite the fact that no two creatures degrade in exactly the same way, they all go through the same sequential phases.Taphonomy, which comes from the Greek word taphos, which means tomb, is the broad name for the science that examines decomposition.To learn more about decomposition, refer to the following link:
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As your friend skateboards down a hill, you measure their velocity at 1.0-second
intervals. You record the following data: ((0.0 s, 0.0 m/s), (1.0 s, 2.3 m/s),
(2.0 s, 4.6 m/s)}. Determine your friend's acceleration.
Answer:
what does the acronym VAT stand for
The correct answer for the acceleration is [tex]2.3[/tex] m/s².
Given:
Initial velocity:- [tex]0.0[/tex] m/s
Final velocity:- [tex]4.6[/tex] m/s
Time interval:- [tex]2.0[/tex] seconds
Acceleration calculated here will be average acceleration:
From equation of motion:
[tex]v= u+at[/tex]
[tex]a = \dfrac{v-u}{t}[/tex]
[tex]= \dfrac{4.6 -0.0}{2}[/tex]
[tex]= 2.3[/tex]
Acceleration is [tex]2.3[/tex] m/s².
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Suppose the irregularly
shaped object is a massive whale shark that
is about to be moved into a cube-shaped
aquarium tank. How might you combine the
"Length × Width x Height" formula with the
displacement method to determine the
shark's volume? Explain.
The displacement method can be used to determine the shark's volume by measuring the corresponding volume of the displaced water in the can.
How to measure the volume of irregular shapeIf the object has an irregular shape , the volume can be measured using a displacement can.
The displacement can is filled with water above a narrow spout and allowed to drain until the water is level with the spout. As the irregular object is lowered into the displacement can, the water level rises.
The level of water displaced is the volume of the irregular shape.
Thus, the displacement method can be used to determine the shark's volume by measuring the corresponding volume of the displaced water in the can.
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