The temperature when the pressure in the thermometer is 6.00 atm is T2= 30.933 K
As specified by the IUPAC since 1982, one mole of an ideal gas has a volume of 22.710947(13) litres at standard conditions of temperature and pressure (273.15 K and precisely 105 Pa).
continuous volume,
Constant = PT
P equals pressure.
temperature, or T
Then
TTtri=PPtri
PPtriTtr = 273.16 SoT
Water's triple point temperature is i.
We have provided
P =0.0630 atm
T =348 K
T = 273.16 is the triple point value.
P/Ptri
Ptri = 273.16 then.
PT= 273.16 × 0.0630/348
Ptri = 0.0494 atm.
P =0.00560 atm
Ideal gas is present here at constant volume.
Thus, PT = Constant
P2T2=P1T1
T2 = P2
T1P1=0.00560×348
=0.0630
T2= 30.933 K
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You accidentally drop an eraser out of the window of an apartment 15 m above the groun
e. How long will it take for the Eraser to reach the ground?
Answer:
1.8 seconds
Explanation:
Ignoring air friction
d = 1/2 at^2
15 = 1/2 (9.81) t^2 shows t = 1.75 = 1.8 seconds
Why is it important to center an object you are analyzing in the field of view of the microscope before switching to a higher power lens?
As magnification increases, field diameter decreases and objects at the periphery will no longer be in the visible field.
What is Lens ?A lens is a piece of transparent material that is typically round in shape with two polished surfaces that are either convex (bulging) or concave on one or both sides (depressed). The curves almost always have a constant radius of curvature since they are spherical.
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PLEASE HELP, i really need the help because i dont understand
The y-component of the vector is 4.97 m.
What is a vector?A vector is a quantity that has both magnitude and direction.
To calculate the y-component of the vector in the diagram above, we use the formula below.
Formula:
Y = Hcos∅.......... Equation 1From the question,
Given:
H = 22.3 m∅ = 77.1°Substitute these values into equation 1
Y = 22.3(cos77.1)Y = 22.3×0.223Y = 4.97 m.Hence, the y-component of the vector is 4.97 m.
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When leak channels are present, why does a capacitive current flow in the reverse direction after the stimulus current has ended?
Capacitor always needs a resistive path to charge or discharge.
Suppose the capacitor is charging through the path R1 and its current flow direction is also shown as per the figure.
Now suppose fully charged capacitor is disconnected from the circuit, hence there will be no current flow out from the capacitor.
But practically ideal capacitors do not exist, there must have some leakage paths suppose R2 and i2.
Therefore, we can see that i1 was entering to C but i2 was leaving C. Hence Capacitive current flow is in reverse direction.
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The rate at which a star or other object emits electromagnetic energy into space is called its:________
The rate at which a star or other object emits electromagnetic energy into space is called its luminosity.
What are luminosity and magnitude?A star's luminosity is a measurably inherent characteristic that is independent of distance. On the other hand, the concept of magnitude takes into account distance. According to the inverse-square law, the apparent magnitude is a measurement of how much the flux of light decreases with increasing distance.
The total amount of energy emitted by a star or other celestial object each second is expressed as luminosity abbreviated L. So, this is how much power a star produces. A star's bolometric luminosity is its total power output at all wavelengths.
The quantity of light emitted by a star's surface determines its brightness. How bright a star appears to a detector on Earth is known as apparent brightness. Distance affects how luminosity and apparent brightness differ from one another.
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Describe one way to decide whether a sample of matter is a substance or a mixture
One way to decide whether a sample of matter is a substance or a mixture is by either finding its boiling (liquid) or melting (solid) point.
A substance has a constant boiling/melting point whereas a mixture has different boiling/melting points.
A substance is an element or a compound that cannot be separated using physical or chemical properties. A mixture is made up of two or more compounds which can be separated using physical or chemical properties.
Therefore the easiest way to decide whether a sample of matter is a substance or a mixture is by either finding its boiling (liquid) or melting (solid) point. If after multiple test the result is same it is a substance and if it is different it is a mixture.
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If the device produces 8.5 kw of power on a day when the waves are 1.4 m high, how many kilowatts will it produce when they are 0.625 m high?
The power generated by 1.4 m high waves is 1.69 kW.
We need to know about power to solve this problem. The power generated by waves can be determined as
P = 1/2 . μ . ω² . A² . v
where P is power, μ is the constant of wave media, ω is angular speed, A is amplitude and v is wave speed.
Power is proportional to amplitude squared. Hence
P ~ A²
From the question above, we know that
P1 = 8.5 kW
A1 = 1.4 m
A2 = 0.625 m
By using the ratio of power, we can write
P1 / P2 = A1² / A2²
8.5 / P2 = 1.4² / 0.625²
P = 1.69 kW
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Is the smallest, electrically neutral assemblage of energy and matter that we know exists in the universe. it consists of a nucleus surrounded by a cloud of electrons?
The smallest, electrically neutral assemblage of energy and matter that we know exists in the universe. it consists of a nucleus surrounded by a cloud of electrons is: an atom
The smallest unit of an element that still retains the distinctive behavior of that element is an: atom
A single atom of an element keep its distinctive behavior, that's because the atom is the smallest unit of the composition of a chemical element
What is an atom?The atom is the smallest part of the composition of matter, it is indivisible and is composed of a nucleus that has protons and neutrons, and around the nucleus there are the electrons.
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What is the maximum number of comparisons that a binary search should do for a sorted array of 81,014 elements ?
The maximum number of comparison is 4502
Binary array : it is an array consist of only 0s and 1s only.
Binary search - an efficient algorithm for finding items from a sorted list.
it is called binary because it divide array into tow halves.
It is used to excess data more faster when the space is tight.
binary search will search the array by dividing it into two halves till it find the value.
The main advantage of it is that is more quicker than a serial search.
binary search algorithm can be implemented in the two ways :
1. Iteration method
2. Recursive method
the maximum number of comparisons is 4502.
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A small cube of metal measures 15.2 mm on a side and weighs 17.9 g. what is the density of the metal in g/cm3?
The density of the metal is 5.096 g/cm^3
CalculationWeight of the metal W = 17.9g
Length of the cube of metal = l = 15.2 mm = 1.52 cm
Density = w/v
= w/l*l*l
= 17.9 / (1.52)^3
= 17.9 / 3.512
= 5.096 g/cm^3
The Density = 5.096 g/cm^3
What is Density?Density is a measurement that is seen as one that compares the amount of matter an object has to its volume. The density of a substance indicates how dense it is in a given area.
Density can be formulated as:
D = mass / volume
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Find the weighted average of a data set where 10 has a weight of 3, 40 has a weight of 5, and 50 has a weight of 2.
Answer:43
Explanation: 30,30,40,40,40,50,50,50,50,50
A measure of central tendency called the _____ can be a particularly biased or misleading measure of central tendency when there are a few extreme scores.
A measure of central tendency called the mean can be a particularly biased or misleading measure of central tendency when there are a few extreme scores.
"The statistical metric that identifies a single value as representative of an entire distribution" is the definition of central tendency. It strives to give a precise account of all the facts. It is the lone value that best typifies or reflects the information gathered.
The mean, median, mode, and the midrange are the four indicators of central tendency. The arithmetic mean of the maximum and minimum values in a data set is used here to describe the midpoint or mid-extreme of a set of statistical data values.
A dataset's arithmetic mean (which is distinct from its geometric mean) is calculated by dividing all of the values by the total number of values. Due to the fact that the computation takes into account all values, it is the most widely used central tendency measure.
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A car is decelerating at the rate of 3 km/s 2. if its initial speed is 66 km/s, how long will it take the car to come to a complete stop?
The car with an initial speed of 66 km/s will come to a complete stop at 22 s
The formula for Uniformly varied rectilinear motion (UVRM) and procedure we will use to solve this exercise is:
t = (vf - vi) /a
Where:
vf = final velocityvi = initial velocityt = timea = accelerationInformation about the problem:
vi= 66 km/svf = 0 m/sa= - 3 km/s2t = ?Applying the time formula, we have:
t = (vf - vi) /a
t = (0 m/s - 66 km/s) / - 3 km/s2
t = (- 66 km/s) / - 3 km/s2
t = 22 s
What is acceleration?It is a physical quantity that indicates the variation of velocity as a function of time, it is expressed in units of distance per time squared e.g.: m/sec2 ; km/h2
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if 2 objects are in motion but one has a larger mass does this change the amount of energy that can be transferred during the collision?
Yes, the energy transmission is increased by an object's mass.
When two objects come into touch, they collide. When two items collide, energy is transferred from one thing to the other. Energy is the power to perform tasks (or in more simple terms: energy makes things happen). Any two items that are acting in response to one another create a pair of forces that are of the same size but acting in the opposite direction.
The amount of energy exchanged during a collision depends on the weight and speed of the moving object; bigger objects carry more energy. This explains why truck collisions cause such severe automotive damage. In a collision, the energy carried by the large truck is transferred to the lighter vehicle.
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Heat energy has to do with the energy contained within a system
true or false
science
Answer: The statement is false.
Explanation:
Although adding heat energy to a system raises its temperature, that isn't always the scenario. When you heat water, for example, the temperature rises, but when you heat it to 100 degrees Celsius, the state of the water changes while the temperature stays the same.
An object is 10 cm away from a plane mirror. How far is the object from its image.
Answer:
20cm
It is one of the characteristics of a plane mirror that, the distance of the plane mirror from the object is equal to its distance from the image. Therefore, given distance between object and mirror = 10cm. Distance between mirror and image = 10cm. Thus, the distance between object and image = 10 + 10 = 20cm.
Explanation: :0
If the volume of the cylinder is to be calculated, what would be the total standard deviation of the volume?
first calculate the partial derivatives of the two fromulas for each measured variable. Then you calculate the sum of the products of the errors (Dr, DR, and dh) with the squared corresponding partial derivative.and or the deviation
Example for the length of the mantle:
dm/dR = (R-r)/root(w)
dm/dr = -(R-r)/root(w)
dm/dh = h/root(w)
where w = (R-r)²+h². The squared derivatives are
(dm/dR)² = (R-r)²/w
When it comes to statistics and probability theory, standard deviation is used. It demonstrates the accuracy of your data and is used to measure both variability and diversity.
Standard deviation is calculated by taking the square root of the variance. In contrast to a high standard deviation, which indicates that the entered data points are most likely farther from the mean, a low standard deviation indicates that the entered data points are most likely closer to the mean
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40 POINTS AND RLLY EASY
Which option that best describes the planet Jupiter?
Select one:
a.
-largest and most massive planet in the solar system
- has a huge permanent storm that looks like a red spot in images
- has at least 61 moons orbiting it, some of which are very large
- located closer to the sun than Kuiper Belt
b.
-has highest surface temperature of any planet in the solar system
- roughly the same size as Earth
- has a thick carbon dioxide atmosphere
-orbits the sun
C.
- has landforms made by flowing liquid water
- has many huge on its surface
- gets its red color from iron oxide present in soil and rocks on surface
- reflects light from sun
d. -inside of the planet shrunk, forming large cliffs on the surface
- heavily cratered
- no atmosphere
- has mass
A. Jupiter largest and most massive planet in the solar system
Jupiter has a huge permanent storm that looks like a red spot in images
Jupiter has at least 61 moons orbiting it, some of which are very large
Jupiter located closer to the sun than Kuiper Belt
Which option that best describes the planet Jupiter?Jupiter came on fifth number from the sun and the Jupiter is the massive planet present in our solar system. It contains the big storms like great red spot. The surface of the Jupiter is gas made giant but the surface of the Jupiter is not solid, but it may have a solid inner core about the size of Earth.
The Jupiter contain at least 61 moons which orbiting the Jupiter . The life on the Jupiter is impossible because the Jupiter contain very much pressure, it has volatile surface and the temperature of the Jupiter is very hot than that of the earth.
So we can conclude that option A is the right answer.
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During the resting phase, what is the electric potential energy of a typical na ion outside of the cell?
During the resting phase, −80 mV is the electric potential energy of a typical Na ion outside of the cell
What do you understand by electric potential energy ?The power required to move a charge in opposition to an electric field is known as electric potential energy. A charge must be moved through a stronger electric field with more energy, but it also must be moved through a weaker electric field with more energy.
You cannot see the charge that is waiting to pass through the wires when a light switch is off. That is but one illustration of electric potential energy. Other instances include: a switched-off incandescent light bulb.
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An object that is dropped from a height H falls with a constant acceleration of g. The final
speed, v, just before it reaches the ground can be expressed as v = sqrt(2gh). By how much does the height need to change double the final velocity?
The height has to change by a factor of 1.
What is the height?We can obtain the height from which the object falls using the equations of kinematics under gravity. We can see that the object was dropped from a height thus u = 0 m/s.
We can the write;
v= √2gh
h1 = v^2/2g
When the final velocity is doubled, we have;
2v= √2gh
h2 =4v^2/2g
h2 = 2v^2/g
The height changes by;
2v^2/g - v^2/2g = v^2/g
Thus the height has to change by a factor of 1.
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You ride your bike at a constant speed of 5 for 300 a from your house to the mailbox What was your acceleration for the trip? (1 point)
00
05
O 300 s
Since the speed is the same through out, acceleration for the trip will be zero.
What is Acceleration ?Acceleration is the rate at which velocity is changing. It is a vector quantity.
If you ride your bike at a constant speed of 5 m/s for 300 s from your house to the mailbox, your acceleration for the trip will be equal to zero.
Because Acceleration = Change in speed ÷ time
Since the speed is constant, acceleration = 0/time = 0
Therefore, the acceleration for the trip is zero.
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Answer:
0 m/s^2
Explanation:
No change in speed or direction = constant velocity = no acceleration.
What is the net force on a crate sliding at an unchanging speed when pushed with a steady force of 75 n?
The net force on a crate sliding at an unchanging speed when pushed with a steady force of 75 n is zero.
The total of all forces exerted on an object is known as the net force. A mass can accelerate due to net force. A body is subject to another force whether it is at rest or in motion. When there are a lot of forces acting on a system, the term "net force" is employed.
The total force acting on an object is its net force. Newton's second law, which states that F = ma, where F represents the net force, can be used to compute the net force. The object's mass is given by m. Acceleration is a.
The vector sum of all forces acting on an object is known as the net force. As a result of the fact that a force is a vector and that two forces with identical magnitudes and opposing directions cancel each other out, the net force is the sum of all the forces, or put another way, the net force is the sum of all the forces.
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Match each problem with the correct utility.
the computer is running slowly
sensitive information is not secure
sending a large video file through email
computers in a small business that can't share
information
:: SOHO
:: compression utility
III I
:: encryption :: defragmentation utility
An encryption can be defined as a form of cryptography and it typically involves the process of converting or encoding information in plain text into a code, known as a ciphertext. Generally speaking, an information or data that has been encrypted it can only be accessed and deciphered by an authorized user.
This ultimately implies that, an encryption simply refers to a utility which can be used by an end user to to secure his or her sensitive information from unauthorized access or theft by a hacker (attacker).
In Computer programming, some examples of encryption algorithms include the following:
3DESAESRC4RC5RSAIn Computer technology, a defragmentation utility helps to reorganize (rearrange) the data stored on a disk drive and as such, it would make a computer system to run faster. Also, a compression utility is a type of utility which can be used to reduce the size of a large video file that is to be sent through an email.
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Isotopes share a(n) ____________ but differ in atomic mass because they have different numbers of neutrons.
Isotopes share the same atomic number but differ in atomic mass because they have different numbers of neutrons.
What are isotopes?Isotopes are two or more atom types that share the same atomic number (number of protons in their nuclei), location in the periodic table, and chemical element but have distinct nucleon numbers (mass numbers) as a result of having a different number of neutrons in their nuclei. The term isotope is derived from the Greek roots isos and topos, meaning "the same place," and refers to the fact that multiple isotopes of a single element occupy the same position on the periodic table, even though they have somewhat different atomic weights and physical properties.
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Which persuasive writing strategy involves quoting a consumer, who is satisfied with a specific product or service, in a news release?
In a news release, using a consumer who is happy with a particular good or service as a testimonial might be persuasive.
What do you understand by consumer?Consumers are described as people or organizations who utilize or consume goods and services. Customers might be consumers or exist solely as customers; they are the buyers of products and services inside the economy.
Businesses may select how to promote their goods and services most effectively by comprehending how consumers think, feel, and make decisions. This aids in predicting consumer behavior and helps marketers promote their already-available goods and services.
Consumer behavior is the study of how consumers choose things based on their needs, wants, and desires as well as how they purchase and utilize them.
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Observations and inferences are important in science. How would you explain the difference between these two words?
Answer:
The difference between observations and inferences is observations uses one or more of your five senses to know or determine something. However, inferences are where you make an explanation for the observation. For example, you see steam rising off a coffee cup ( this is an observation). The coffee is hot ( this is an inference).
While passing a slower car on the highway, you accelerate uniformly from 17.5 m/s to 29.5 m/s in a time of 11.1 s. how far do you travel during this time?
When I accelerate uniformly from 17.5 m/s to 29.5 m/s in a time of 11.1 s, I travel 260.85 m
The formula for Uniformly varied rectilinear motion (UVRM) and procedure we will use to solve this exercise is:
x = [(vi + vf) /2] * t
Where:
x = distancevf = final velocityvi = initial velocityt = timeInformation about the problem:
vi= 17.5 m/svf = 29.5 m/s t = 11.1 sx= ?Applying the distance formula, we have:
x = [(vi + vf) /2] * t
x = [(17.5 m/s + 29.5 m/s ) /2] * 11.1 s
x = [(47 m/s ) /2] * 11.1 s
x = (23.5 m/s) * 11.1 s
x = 260.85 m
What is acceleration?It is a physical quantity that indicates the variation of velocity as a function of time, it is expressed in units of distance per time squared e.g.: m/sec2 ; km/h2
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If the bar oa is rotating clockwise with a constant velocity and the collar slides freely, the direction of the reaction force on the collar will be:_______
The direction of the reaction force on the collar will be Non constrained motion direction .
What is the relationship between the magnitude of the angular velocity ω and that of the velocity v ?ω = v / r
Since the cylinder is wrapped about the string, it rolls without slipping with respect to the string. The constraint relationship to assure this kind of motion can be obtained by considering the relative velocity of the point on the cylinder that is in contact with the string with respect to the string it should be zero.
The velocity of the center of the cylinder,
v = dy (t) / dt, r and the rotation rate of the cylinder, ω
We have to first find the velocity of the contact point relative to the center of the cylinder. Since this ignores the translational motion of the entire cylinder with respect to the ground, we then need to add back in the cylinder's center of mass velocity to find the velocity of the contact point with respect to the ground.
So, v (contact) = ωr - v where,
ω is the angular velocity
v is the linear velocity
r is the radius
ω = v / r
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According to einstein’s theory of relativity, what happens to the mass of an object as the object approaches the speed of light?
When an object approaches the speed of light then the he objects mass become infinite.
Einstein theory of relativity is actually fairly simple. It is based on two very simple ideas.
Principle of relativity. Principle of constancy of lightspeed.relativity describes the situation when.
Either body is moved at a speed close to that of the light. Or gravity is very very strong. Or both.in these cases Newtonian theory does not work.
But when the speed are much slower than light. And gravity is not too strong. At that point relativity and Newtonian theory are exactly the same.
the mass of an object becomes infinite as the object approaches the speed of light .
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diagram for terrestial weather
The correct answer of terrestial weather:
The solar insolation in the visible and infrared regions of the solar electromagnetic spectrum is much more than the energy that space weather occurrences release into the troposphere and stratosphere. Despite claims to the contrary, there may be some connection between the Earth's climate and the 11-year sunspot cycle. There is no proof of this. For instance, it has frequently been suggested that the Maunder minimum, a 70-year period almost devoid of sunspots, is correlated to a cooler climate, but these correlations have vanished after further research. Changes in cosmic ray flux are hypothesized to affect how much cloud formation occurs.
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