This suggests the percentage of those who come lower back on your blog each and every week after their first visit.
As an example, if this week you had one hundred human beings go to your blog and inside the week one column, it suggests seventeen percent. which means of the initial a hundred human beings, seventeen got here returned. underneath week two in case you see eight percent, that means of the preliminary a hundred human beings, eight humans came lower back in two weeks.
This quantity will keep getting smaller, but the goal is to get humans back as often as viable. That increases belief, social shares, and the capability of people to link to you, and it even will increase the odds that the vacationer will convert right into a customer. The Pageviews column tells you ways generally each individual blog published was regarded in the decided on time-frame. The specific Pageviews column simply to the right of it tells you ways a lot of those pageviews were from precise visitors
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Which model of the fate of the universe, if correct, is most likely to predict a second Big Bang?
A. Cosmological Model
B. Open Universe Model
C. Atomic Theory Model
D. Closed Universe Model
Option D) is the correct answer. The Closed Universe model of the fate of the universe, if correct, is most likely to predict a second Big Bang.
The Closed Universe Model describes a hypothetically ever-expanding universe that contains a sufficient amount of matter in it a so that the gravitational pull due to the stored mass is enough to reverse the observable expansion of the universe through its gravitational contraction.
It is predicted that according to this model, the closed universe will folds back on itself like a saddle.
This could result in a second Big Bang.
According to Albert Einstein, the general shape of the universe depends upon the average density of matter and energy in the universe. For a closed universe, the ratio of average density to critical density ( for which the universe is flat) is more than one.
Hence, the Closed Universe Model is most likely to predict a second Big Bang.
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Using the rydberg equation, calculate the wavelength (in meters) of the light absorbed by a hydrogen atom when n jumps from 3 to 5.
The wavelength released in transition energy is 683.68 nm.
We need to know about transition energy to solve this problem. Electrons in a hydrogen atom can move to another level of energy. It is also called a transition. In this process, electrons will absorb or release their energy to move. The transition energy can be determined as
ΔE = E2 - E1
where ΔE is transition energy, E2 is the final state of energy and E1 is the initial state of energy.
The state energy of a hydrogen atom can be calculated by
E = -(13.6) / n² eV
E = h.c / λ
where n is the number of energy states, h is Planck constant (4.136 x 10¯¹⁵ eV/Hz), c is speed of light (3 x 10⁸ m/s) and λ is wavelength.
Rydberg has been simplified how much wavelength released or absorbed by this equation
1/λ = R (1/n1 - 1/n2)
where R is Rydberg constant (1.097 × 10⁷ /m)
From the question above, we know that
n1 = 3
n2 = 5
By substituting the following parameter, we get
1/λ = R (1/n1 - 1/n2)
1/λ = 1.097 x 10⁷(1/3 - 1/5)
1/λ = 146266.67
λ = 6.8368 x 10¯⁷ m
λ = 683.68 nm
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object tendency to resist change
2) In a computer simulation, Jeffrey moves a magnet (Magnet 2) toward
another magnet (Magnet 1) that cannot move. What happens to the
potential energy in the system of magnets?
In a computer simulation, Jeffrey moves a magnet (Magnet 2) toward the another magnet (Magnet 1) that cannot move. The potential energy in the system of magnets increases because Magnet 2 moves against the magnetic force.
What do you mean by potential energy?In physics, potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or the other factors.
Common types of the potential energy include the gravitational potential energy of an object, the elastic potential energy of an extended spring, and the electric potential energy of an electric charge in an electric field. The unit for energy in the International System of Units (SI) is joule, which has the symbol J.
Potential energy is associated with the forces that act on a body in a way that the total work done by these forces on the body depends only on the initial and the final positions of the body in space. These forces, that are called the conservative forces, can be represented at every point in space by vectors expressed as the gradients of a certain scalar function called potential.
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What is the peak current through a 590 w room heater that operates on 220 v ac power?
The peak current through a 590 w room heater that operates on 220 v ac power is 5.86 A.
DescriptionThe largest amount of current that an output is capable of providing for brief periods of time is known as the peak current.
When an electrical device or power source is turned on for the first time, a large initial current known as the peak current flows into the load, starting at zero and increasing until it reaches a peak value.
How is peak current determined?For instance, the connection between RMS and Peak Current is as follows when the AC waveform is a perfect sine wave.
RMS Current is equal to Peak Current times 0.70 or Peak Current times 1.41.
The peak current or the RMS current?An alternating current can be expressed using two numbers: RMS and peak. RMS and Peak differ most when it comes to peak.
CalculationHere on we have
P = 500 W
V = 120V
Then according to the expression for current,
I = P/V
= 500W/ 120V
= 4.16A
Then for peak current is,
Imax = [tex]\sqrt{}[/tex]2I
= (1.41) (4.16A)
= 5.86A
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Which answer best describes the processfor calculating the volume of a solution where 5.7 g of ca(no3)2(aq) is dissolved in a 4.00 m aqueous solution?
The volume of solution is 8.67ml, while calculating the volume of a solution where 5.7 g of ca(no3)2(aq) is dissolved in a 4.00 m aqueous solution.
DescriptionThe value of 6.023 x 1023 is equal to one mole of any substance (Avagadro number). It can be used to quantify the chemical reaction’s byproducts.
The symbol for the unit is mol. How are the number of moles determined?When we know the mass of a compound, we may calculate how many moles there are.
Therefore, we can calculate the number of moles in a sample by simply weighing it and multiplying the result by the molecular weight. The number of moles is equal to the quotient we arrive at in this case.
How many moles are there in chemistry?A mole is 6.02214076 x 1023 of any chemical unit, including atoms, molecules, ions, and others.
CalculationMaa of Ca(NO3)2 = 5.7g
Molar mass of Ca(NO3)2 = 164.09 g/mol
Number of moles of solute [Ca(No3)2] = mass/molar mass
= 5.7/ 164.09 g/mol
= 0.0347 mol
Hence the number of moles of solute is 0.0347 moles
Then we have
Molarity of solution = 4 M
Molarity = Moles of solute/ Volume of solution(l)
Volume of solution (L) = Moles of solute [Ca(No3)2] / Molarity of solution
= 0.0347 / 4
=0.00867 L
= 8.67 ml
Hence the volume of solution is 8.67
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2) A girl walks to the east 40m, to the south 70m and then to
the west 40m, what is the distance.
and displacement of the girl
The correct answer is 70 meter displacement in the east.
Let's assume that he departs from point O and follows the path ABC.
The man's displacement will be revealed if we join the start and end points of the path he took.
O's distance from A is 40 meters.
70 meters separate A and B.
From B to C, it is 40 meters.
Distance from B to C equals the distance between O and A.
We're looking for the displacement, which is the separation between points O and C.
The opposing sides of a rectangle are equal. Hence A to B is separated by the distance from O to C.
Distance from A to B equals displacement.
70 meter displacement in the east.
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I need help with this ASAP.. I have to get it done right now
. It is pass due
The map of the world temperature zones gives;
23. Zone A = The North Frigid zone
Zone B = The North Temperate zone
Zone C = The Torrid
Zone D = The South Temperate zone
Zone E = The South Frigid zone
24. Zone C, the Torrid zone
25. Zone C, the Torrid zone
26. The Torrid zone
What are the temperature zones?23. The five temperature zones of the world based on the annual temperatures are;
The north frigid zone
The north temperate zone
The torrid zone (tropics)
The south temperate zone
The south frigid zone
Each of the five zones shown on the map are;
Zone A = The North Frigid zone
Zone B = The North Temperate zone
Zone C = The Torrid zone Tropics
Zone D = The South Temperate zone
Zone E = The South Frigid zone
24. The name of the temperature zone that includes the equator is; Zone C, the Torrid zone (The tropics).
The Equator is located around the horizontal line that runs around the center of the Earth at 0 ° latitude.
25. The zone that has the greatest amount of human habitable land mass is; Zone C, the Torrid zone, which covers 40% of the geographic surface of the Earth.
26. The zone that has the highest temperature all year round is the zone farthest from the north and south Frigid zone which is the Torrid zone
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Answer:
the answer is A.Explanation:
The moon takes roughly 28 days to complete one orbit around earth. If the orbital radius of the moon were twice its actual value, its orbital period would be.
If the orbital radius of the moon were twice its actual value, the orbital period would be approximately 79 days.
The motion of planets and their satellites is governed by Kepler’s Laws.
Kepler’s Laws are as follows:
Law of OrbitsLaw of AreasLaw of PeriodsAccording to the law of periods, the square of the time period of a body revolving around another body is proportional to the cube of the distance between the two bodies
The above statement is given by the following formula
T^2 ∝ R^3
Putting T1 = 28 days , T2 = x and R2 = 2R1
T1/T2 =(R1/R2)^3
28/x = (1/2)^3
x = 79 days.
Thus, If the orbital radius of the moon were twice its actual value, the orbital period would be approximately 79 days.
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If the orbital radius of the moon were twice its actual value, the orbital period would be approximately 79 days.
The motion of planets and their satellites is governed by Kepler’s Laws.
Kepler’s Laws are as follows:
Law of Orbits
Law of Areas
Law of Periods
According to the law of periods, the square of the time period of a body revolving around another body is proportional to the cube of the distance between the two bodies
The above statement is given by the following formula
T^2 ∝ R^3
Putting T1 = 28 days , T2 = x and R2 = 2R1
T1/T2 =(R1/R2)^3
28/x = (1/2)^3
x = 79 days.
Thus, If the orbital radius of the moon were twice its actual value, the orbital period would be approximately 79 days.
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Find a vector equation for the tangent line to the curve of intersection of the cylinders x^2 y^2=5 and at the point . answer
Literally, it meant that the circle formed by x² + y² = 25 "contains" the curve. C is more specifically located on the 5 radian cylinder's edge.
The circle x²+y²=25 makes up each bend of the cylinder, as you can see.
The cylinder has two key characteristics, namely surface area and volume because it is a three-dimensional form. The combined curved surface of the cylinder and the areas of the two rotating bases make up its whole contact area.
A cylinder's volume is the term used to describe the three-dimensional space it takes up.
On the cylinder's 5 radian edge, C is located.
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What do you feel is the most important aspect of measurement that staffing professionals need to know?
Measurement refers to the strategy that's utilized to relegate a number to a specific parameter / indicator / characteristics of an article that's assist utilized to compare with other measured numbers. For example, measurement of inflation is done as a rate alter in cost. Here, inflation may be a macroeconomic pointer. Assist, current expansion can be compared with the past. Similarly, efficiency of an worker is also measure in terms of unit / quality created in a given time period. Further, it is utilized to compare with standard productivity level.
Each estimation gives numerical result and numerical result of estimation changes with the sort of estimation and information. For example, estimation of area gives information in square meter or square feet. But, estimation of GDP provide the information in terms of Million / Billion or Trillion. Hence, with the change of information types, measurement unit changes. For exactness and standardization of comes about, standard units of estimation are settled and practiced over the globe.
Representation of information figures as a portion of estimation can moreover be done in:
Table form
Charts
Graphical representation
Above representation helps in comparative analysis.
Types of information can too be:
Discrete
According to the information sorts, suitable estimation procedure is adopted. Staffing Experts need to know the appropriate estimation strategy to degree the execution of workers against the benchmark standards. They ought to too know the measurement of credentials of potential recruits. It is their ethical obligation to select as it were those who can convey the leading comes about for the company. It can as it were be done through proper measurement. Client Company contracts staffing Experts to bring in able initiates to the company. Presently, it is the ethical obligation of Staffing Experts to degree the candidates without any bias / prejudice.
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The ph of a 0.60 m aqueous solution of formic acid is 1.98. what is the ka for formic acid?
The ph of a 0.60 m aqueous solution of formic acid is 1.98 then the [tex]K_a[/tex] for formic acid will be 1.86×[tex]10^{-4}[/tex].
What is an Aqueous solution?Any solution where the solvent is water (H2O) is referred to as an aqueous solution. When a species' name appears in a chemical equation, the symbol (aq) is used to denote that the species is in an aqueous solution.
Despite being frequently referred to as the universal solvent, only hydrophilic compounds dissolve in water. Acids, bases, and many salts are examples of hydrophilic molecules. Hydrophobic substances tend to not form aqueous solutions and do not dissolve well in water. Several organic compounds, such as fats and oils, are examples.
According to the question,
HCOOH ⇄ [tex]H^{+}[/tex] + [tex]HCOO^{-}[/tex]
[[tex]H^{+}[/tex]] [tex]10^{-1.98}[/tex]
=0.0104713
Now,
I 0.60 0 0
C -x +x +x
E 0.60-x x x
[tex]K_a[/tex]= x²/(0.60-x)
Here,
x=0.0104713
[tex]K_a[/tex]=(0.0104713)²/(0.60-0.0104713)
[tex]K_a[/tex]=1.86×[tex]10^{-4}[/tex]
Hence, the [tex]K_a[/tex] for formic acid will be 1.86×[tex]10^{-4}[/tex].
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A car is traveling with a speed of 60.5 miles per hour (mi/h). What is the car's speed in meters per second (m/s)?
The speed of 60.5 miles per hour (mi/h) expressed in meters per second (m/s) is: 27.046 m/s
To solve this problem the we have to convert the units with the given information.
Information about the problem:
v = 60.5 miles/hv(m/s) = ?1 h is equivalent to 3600 s1 mile is equivalent to 1609.34 mBy converting the velocity units from (miles/h) to (m/s) we have:
60.5 miles/h * (1609.34 m / 1 miles) * (1 h / 3600 s) = 27.046 m/s
What is unit conversion?It is the transformation of a value expressed in one unit of measurement into an equivalent value expressed in another unit of measurement of the same nature.
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A person walks forwards 3 steps in 1 second. Then, the person walks backwards 3 steps in 1 second. Sketch the position-time graph for his movement.
1 What was his distance travelled?
2What was his displacement?
please with your graph
Answer:
Traveled = 6 steps displacement = 0
Explanation:
see attached 'sketch'
What are the typical patterns of gdp, both in the long run and in the short run?
The typical patterns of GDP, both in the long run and in the short run, will be fluctuate.
What is GDP?GDP can be defined as across domestic product in which the markets are the company economy is being measured. It is relation to the monetary policy and the market value of the good which is being brought or sold in the market
There will be a GDP that will be running for the long run and also in the short run depending on the economic condition. This determines to start the good for the services retailing provided is in the flow or not, this depends on the flow of money in the market.
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What is the mass of a cylinder of lead that is 1.80 in diameter, and 4.12 in long?
The mass of a cylinder of lead that is 1.80 in diameter, and 4.12 in long is 1960 g.
Simply put, density is a measurement of how tightly packed the mass of an object or material is. The mass-to-volume ratio of an object is how scientists describe density. How densely a substance is packed is shown by its density. Density is defined mathematically as Mass/Volume.
Radius of the lead cylinder = diameter / 2 = 1.80 / 2 = 0.9 in = 0.9 × 2.54 cm = 2.29 cm
Height of lead cylinder = 4.12 in = 4.12 × 2.54 cm = 10.46 cm
Volume of cylinder = π[tex]r^2h[/tex] = 3.14 × 2.292 × 10.46 = 172.24 [tex]cm^3[/tex] = 172.24 ml
Mass of lead cylinder = Density * Volume = 11.4 × 172.24 =1960 g
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Calculate the magnitude of the electric field and also the magnitude of the electric field
The electric field formula E=kQr2 E = k Q r 2 (where k is Coulomb's constant, and the units of the electric field are Newtons/Coulomb) gives the strength or magnitude of the electric field for a charge Q at a distance r from the charge.
To calculate the size of the electric field, we can apply the equation E = k | Q | r 2. If the electric potential is known at every point in a region of space, the electric field can be derived from the potential. In vector calculus notation, the electric field is given by the negative of the gradient of the electric potential, E = −grad V.
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A video recorder is loaded with a tape which plays for 180 minutes.
The length of the tape is 260 m.
(a) (i) Calculate the speed of the tape, in metres per minute.
The speed of the tape, in metres per minute is 1.44 meter per minute
What is speed?Speed is the distance travelled per unit. Mathematically, it can be expressed as:
Speed = distance / time
With the above formula, we can obtain the speed of the tape. Details below
How to determine the speed of the tapeThe following data were obtained from the question:
Distance = 260 mTime = 180 minutesSpeed =?The speed of the tape can be obtained as illustrated below:
Speed = distance / time
Speed = 260 / 180
Speed = 1.44 meter per minute
Thus, the speed of the tape is 1.44 meter per minute
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In the figure below the card Is flicked with a push . It was observed that the card moves ahead while coin falls in glass
The cards are observed to move forward as the coins gel in the jar. This happens because the coin has rest inertia. Rest inertia is the resistance that an object exerts at rest. resist change and fall into the glass.
Coins have inertia. If you move the card slowly, it won't be fast enough to overcome this force. With a quick flick, the coin stays in one place and falls into the cup. A stationary object remains stationary. You could change position and fall to the ground or be inside the glass. This is because the paper changes its position when a strong force is applied or a quick pull is applied.
The law of inertia, also known as Newton's first law, states in physics that if an object is at rest or moving in a straight line with a constant velocity, it is at rest or moving in a straight line with a constant velocity. We assume that This is when a force is applied.
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Gravity pulled three toy cars of different masses down an inclined ramp. The toy cars hit a bumper at the bottom of the ramp.
What is the ratio of the masses of the toy cars?
1:2:3 1:3:6 1:6:12 1:9:18
The ratio of the masses of the toy cars is 1 : 3 : 6.
Effect of gravity on masses
When the mass of object increases, the force of gravitational attraction between them also increases.
Ratio of the masses of the toy cars
The ratio of the masses of the toy cars is calculated as follows;
Ratio of masses = 0.3 kg/0.3 kg : 0.9 kg/0.3kg : 1.8 kg/0.3 kg
Ratio of masses = 1 : 3 : 6
Thus, the ratio of the masses of the toy cars is 1 : 3 : 6.
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If you walk north toward the front of the ship, with a speed of 1.8 with respect to the ship, what is your velocity with respect to the land?
The velocity remains the same as the person is walking on the land itself. so, velocity with respect to land is 1.8m/s.
The velocity of an object in relation to another observer is known as its relative velocity. It is the pace at which one object's relative location changes in relation to another object over time. in this case the vector addition of object with respect to ship is added to land but since the object itself move on the ground it becomes zero. so, the velocity is 1.8m/s itself. velocity is a term that describes the speed and direction of a point's motion. For example, a circular path's direction is always perpendicular to a line from the point to the circle's center. A point always moves in a direction that is tangent to its path (a radius).
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Find the sum of the forces
200N <————————-> 160N
The sum of the forces F[1] = 200 N and F[2] = 160 N acting opposite to each other in vector form is 40 [tex]a_{x}[/tex] along the negative x - direction.
We have two forces of 200 N and 160 N acting opposite to each other.
We have to determine their sum.
What is Force?Force is the product mass and acceleration of a body. Mathematically -
F = m x a
According to the question -
We have two forces represented by two vectors having angle of 180 degrees between them. The mathematical representation of these vectors is shown below -
F[1] = + 160 [tex]a_{x}[/tex]. [along the positive x - axis].
F[2] = - 200 [tex]a_{x}[/tex]. [along the negative x - axis].
Now, the sum of the forces will be -
F(N) = F[1] + F[2] = 160 [tex]a_{x}[/tex] + (- 200 [tex]a_{x}[/tex]) = - 40 [tex]a_{x}[/tex]
Hence, the sum of the forces is 40 [tex]a_{x}[/tex] along the negative x - direction.
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A 9.4-kw electric resistance heater in a room is turned on and kept on for 36 min. the amount of electric energy (round to nearest 1 kj) used is?
By using power, the electric energy is 20304 kJ.
We need to know about power to solve this problem. Power is the energy dissipated because of resistance. The magnitude of power is proportional to current and voltage. It can be determined as
P = I . V
where P is power, I is current and V is voltage.
The electric energy can be calculated by this equation
W = P . t
where W is electric energy and t is time
From the question above, we know that
P = 9.4 kW = 9.4 x 10³ W
t = 36 min = 2160 seconds
By substituting the following parameters, we get
W = P . t
W = 9.4 x 10³ . 2160
W = 20304 x 10³ joules
W = 20304 kJ
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What is the index of refraction of a material in which the red-light wavelength is 450 nm?.
The index of refraction of the material through which red light passes is n = 1.44
What is the refractive index?The index of refraction is the ratio of the speed of propagation of the speed of light in a vacuum to the speed of light in a given medium.
n = c/v
What is Refraction?The relationship is studied by Snell's Law, and relates the index of refraction in different media and allows us to find the angles of refraction of a ray of light, by means of the equation:
The wavelength of red light in vacuum is 650nm, if in the material the wavelength value is 450nm, we apply the following equation:
f = C/λ
f = 3×10⁸m/s / 650×10⁻⁹m
f = 4.61×10¹⁴ Hz
V = λf
V = 450×10⁻⁹m * 4.61×10¹⁴ Hz
V = 207450000 m/s
n = 3×10⁸m/s / 207450000 m/s
n = 1.44
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Two identically charged particles separated by a distance of 1.00 m repel each other force 1.00 n. what is the magnitude of the charges
By using electrostatic force, the charge is 1.05 x 10¯⁵ C..
We need to know about electrostatic force to solve this problem. The electrostatic force is a force caused by two charges separated at a distance. It can be determined as
F = k . Q1 . Q2 / r²
where F is force, k is coulomb's constant (9 x 10⁹ Nm²/C²), Q is charge and r is radius.
From the question above, we know that
Q1 = Q2 =Q
r = 1 m
F = 1 N
By using the equation, we can calculate the charge
F = k . Q1 . Q2 / r²
1 = 9 x 10⁹ . Q . Q / 1²
Q² = 1/(9 x 10⁹)
Q = 1.05 x 10¯⁵ C
Hence, the charge is 1.05 x 10¯⁵ C.
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A 15.2 kg mass has a gravitational potential energy of -342 j. how high from the ground is it?
According to potential energy, the height of the object is 2.296 meters.
We need to know about potential energy to solve this problem. The potential energy is the object's energy caused by its position. Potential energy can be determined as
PE = m . g . h
where PE is potential energy, m is mass, g is the gravitational acceleration (9.8 m/s²) and h is height.
From the question above, we know that
PE = 342 joules
m = 15.2 kg
By substituting the given parameters, we can calculate the height
PE = m . g . h
342 = 15.2 . 9.8 . h
148.96 h = 342
h = 2.296 meters
Hence, the height of the object from the ground is 2.296 meters.
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Between coconut and husk which one will have the highest density?
Answer:
I think the answer is coconut
Explanation:
please make my answer as brainelist
electricity consumption, cost and environmental impact of electricity provision at local, national and global scale.
The environmental problems directly related to energy production and consumption include air pollution, climate change, water pollution, thermal pollution, and solid waste disposal. The emission of air pollutants from fossil fuel combustion is the major cause of urban air pollution.
Any substance (solid, liquid, or gas) or energy can cause pollution (such as radioactivity, heat, sound, or light). Both naturally occurring contaminants and imported substances/energies can be considered pollutants, which are the elements of pollution. Despite the fact that natural disasters can result in environmental contamination, the word pollution often suggests that the toxins came from an artificial source, or a source made possible by human activity. Point source and nonpoint source pollution are two common categories of pollution.
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If the net torque acting on the ruler from the example was positive instead of zero, what would this say about the angular acceleration? what would happen to the ruler over time?
As total torque is positive . That means it will not be in state of rotational equilibrium . So it will rotate about its centre of mass. Net torque will produce angular acceleration
What is angular acceleration?Angular acceleration, moreover called rotational acceleration, could be a quantitative expression of the change in precise velocity that a spinning object undergoes per unit time. It may be a vector quantity, comprising of a magnitude component and either of two characterized directions or senses. The size, or length, of the angular acceleration vector is specifically relative to the rate of change of precise speed, and is measured in radian s per moment squared (rad/s 2 or rad · s -2 ). Then again, the precise acceleration magnitude can be communicated in degrees per moment squared (deg/s 2 or deg · s -2 ).
The direction of the angular acceleration vector is opposite to the plane in which the turn takes put. In case the increment in angular speed shows up clockwise with regard to an observer, at that point the precise increasing speed vector focuses absent from the spectator. In case the increment in angular speed shows up counter clockwise, at that point the precise increasing speed vector focuses toward the eyewitness.
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What kingdoms fall under archaea ?
