1012, a record is declared as follows: the first letter in the first name is stored in location 1000. Each letter takes one location and an integer takes two locations.
Multiplication and Division of Integers: the merchandise of a positive integer and a negative integer is negative: the merchandise of two positive integers is positive. The product of two negative integers is positive.
They are important because they assist to facilitate certain calculations by including integer negative numbers. In addition, they also include all negative and positive numbers without a percentage point.
The whole numbers are real numbers that don't have fractions, decimals, and negative numbers. It's neither positive integer nor negative. Zero obeys the rule of whole numbers. Positive numbers are greater than 0 and located to the proper of 0 on the variety line.
Negative numbers are but 0 and located to the left of 0 on the variety line. The quantity zero is neither positive nor negative. Zero is neither positive nor negative. It's the sole number with such characteristics.
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Find the power that is absorbed or supplied by the network elements in fig p1.32
The power that is absorbed or supplied by the network elements is 32 W
The quantity of energy moved or converted per unit of time is known as power in physics. The watt, or one joule per second, is the unit of power in the International System of Units. Power is also referred to as activity in ancient writings. A scalar quantity is power.
Looking at diagram (a), we will analyze each element separately.
P(2A) = -20(2)
(Negative because the current is entering the negative terminal)
P(2A) = -40W
Which means 40W of power is supplied by the 2A element.
P1 = (6)(2)
P1 = 12W
Therefore, 12W of power is absorbed by element 1.
P(14v) = (14)(2)
P(14v) = 28W
Thus, 28W are absorbed by the 14v element.
We will now look at diagram (b).
P(4A) = (16)(−4)
P(4A) = −64W
Which means 64W are supplied by the 4A element.
P1 = (8)(4)
P1 = 32W
P1 = 32W
Therefore, 32W are absorbed by element 1.
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What is the x-component of the total electric field due to these two charges at a point on the x-axis?
Find the total x - component of the electric field at that point and get the resultant or the algebraic sum.
The electric field is a vector as it gives the force on a unit positive test charge placed at some distance from a charge.The electric field due to each charge at that point on the x-axis can be found using the Coulombs formula: [tex]\vec{E} = \frac{1}{4\pi\epsilon}\frac{Q}{r^2}[/tex].Then one needs to get the x-component of the electric field at the point due to each charge using the concept of the resolution of forces. Once the x-components are found, one needs to get the resultant or the algebraic sum of them to calculate the x-component of the total electric field.For extra knowledge, how to find the components of a given vector can be found here: https://brainly.com/question/28524840#SPJ4
The coupling constant (j) for bromoethane is 7 hz when the 1h nmr spectrum is acquired at 250 mhz. what is the coupling constant between these protons when the spectrum is acquired at 500 mhz?
The coupling constant between these protons when the spectrum is acquired at 500 MHz is 7Hz.
Coupling Constant:
The coupling constant of a molecule changes when the molecular structure of the component varies. Thus the coupling constant of a particle doesn't depend on the strength of the field and other factors.
Given that,
The coupling constant of bromoethane when the spectrum acquired is
J=7Hz.
The frequency acquired for the coupling constant is f=250MHz
The coupling constant of a molecule is independent of the resolution thus if the resolution of the molecule is either 250 MHz or 500 MHz or any other value the coupling constant remains the same. It only varies when the molecular structure of the element changes.
Therefore,
Thus the coupling constant of Bromoethane at 500 MHz is 7Hz.
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A variable has a mean of 1,400 and a standard deviation of 100. a. using chebyshev's theorem, what percentage of the observations fall between 1,100 and 1,700?
According to Chebyshev's Theorem, the percentage of data within k standard deviations of the mean must be at least 1 - 1/k2 for any distribution, normal or otherwise.
In this instance, the mean is 1600 and the standard deviation is 120. The boundaries are set at 1240 and 1960. 360 data points are below and above the mean here. Considering that the standard deviation is 120 and that the mean is within 3 standard deviations of that value (360/120), k is equal to 3. As a result, 1 - 1/32 equals 1 - 1/9. This is 8/9, or almost 89%.
There is a range of 1360 to 1840. Within two standard deviations of the mean, this is 240 above and below the mean. Consequently, at least a fraction of the data fall inside this range.
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Homework Help!! Thsnkyouu
A. The frisbee will remain in the air for 5.88 s
B. The horizontal distance the frisbee will go is 29.4 m
A. How to determine the time the frisbee will remain in the airThe time the frisbee will spend in the air can be obtained as illustrated below:
Height (h) = 169.2 mAcceleration due to gravity (g) = 9.8 m/s²Time (t) =?169.2 = ½gt²
169.2 = ½ × 9.8 × t²
169.2 = 4.9 × t²
Divide both side by 4.9
t² = 169.2 / 4.9
Take the square root of both side
t = √(169.2 / 4.9)
Time = 5.88 s
How to determine the horizontal distanceThe horizontal distance travelled by the frisbee can be obtained as follow:
Initial velocity (u) = 5 m/sTime (t) = 5.88 sHorizontal distance (s) =?s = ut
s = 5 × 5.88
Horizontal distance = 29.4 m
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By observing the direction of current flow through the circuit, v oltage _____ can be determined.
Voltage polarity can be determined by the direction of current flow through the circuit
What is voltage polarity?All voltages and currents possess both magnitude and polarity. One current flows through the entirety of a series circuit with its polarity flowing from the negative battery terminal to the positive battery terminal. Polarities are also seen in voltage dips across loads. Utilizing the electron current's direction as a starting point is the simplest method for determining these polarities. The voltage is then negative where the electron current enters the load (Figure 31). No matter how many or what kind of loads are present in the circuit, this remains true. The potential drop is opposite of the source across the load. In opposition to the source voltage, the voltage dips lower it for the other loads.
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What is the minimum diameter of a steel wire if it is to support a mass of 80 kg? the elastic limit of steel is 5.0*10^8 pa
The minimum diameter of a steel wire is 1.41mm
STRESS : The restoring force per unit area. unit of stress is N/m²
It is denoted by σ
σ = F/ A
Where σ = stress
F = force
A = area
force = ma
Area of a steel wire is πr²
2r = d
so area becomes
π(d/2)² =πd²/4
here , mass = 80kg
elastic limit = 5.0×10⁸kg
using these values
σ = mg/ πr²
5×10⁸ = 80×10³ × 9.8/ π*d²/4
π *d²/4 = 784 ×10³ / 5×10⁸
= 156.8 ×10⁻⁵
d² = 19.9×10⁻⁵
d = 1.41 mm
The minimum diameter of a steel wire is 1.41mm
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Julian is having trouble coping with stress and setting goals. what is he most likely struggling with?
Julian is having trouble coping with stress and setting goals. He is most likely struggling with emotional heath.
How we feel and think affects our emotional well-being. It is about how we feel about ourselves, how we handle difficult situations, and how we acknowledge both our own and other people's feelings.
This comprises resilience, self-acceptance, self-esteem, and the capacity to control intense emotions. Social. Friends are crucial because they make our life more enjoyable, companionable, and supportive.
Emotional stability is a state of calmness and emotional control. Resilience is the capacity to handle life's hardships. optimism: having a good outlook on life and the future. Self-esteem is the attitude you have toward oneself.
Depression, anxiety, stress, having a negative body image, grieving a loss, becoming a new parent, and other significant life changes can all have an impact on your mental and emotional well-being.
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What type of telescope would you want to suggest to an amateur star-gazer for its ease of set up and its ability to stay aligned easily?
OA compound
OB refracting
OC reflecting
OD. radio
In a population of 200 mice brown fur is dominant to gray fur. of 120 of the 200 mice have brown fur, what is the frequenzy?
The frequency of the mice with brown fur is 0.77.
Using the Hardy-Weinberg Principle, we can find out the frequency of occurrence of alleles of a gene or a locus.
The algebraic equation for Hardy-Weinberg Principle is,
p^2 + 2pq + q^2 = 1
Here, p^2 represents the frequency of the dominant allele
q^2 represents the frequency of the recessive allele
2pq represents the frequency of heterozygotes
Out of 200 mice, 120 have brown fur and brown fur is the dominant allele.
Thus, the frequency of brown fur is
p^2 = 120/200 = 0.6
p = 0.77
Hence, the frequency of the mice with brown fur is 0.77.
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The last quarter phase of the moon? rises at sunrise. rises at sunset. sets at sunset. crosses the meridian at sunrise. sets at sunrise.
The correct answer for the The last quarter phase of the moon is it crosses the meridian at sunrise .
A third quarter moon, or last quarter moon, rises around midnight and sets around noon. The Moon is nearly back to the point in its orbit where its dayside faces the Sun directly, and all we see from our vantage point is a thin curve.
The Last or Third Quarter is when we can see half of the Moon's illuminated portion and half of its shadow portion. This is why this phase is commonly referred to as Half Moon. We can only see half of the Moon because it is at a 90-degree angle to the Earth and Sun.
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In which environment(s) is a population of seed-eating birds likely to undergo adaptive radiation? check all that apply.
a relatively recent volcanic island with a wide variety of vegetation.
Adaptive radiations can be caused by intrinsic variables (also known as "important adaptive innovations") that improve the availability of niches to a diverging lineage, or by external factors (such as the creation of new ecological opportunities through the emergence of fresh environments). existence of populations of recently diverged closely related species. The first half of this century's naturalists believed that three ecological processes led to adaptive radiation: phenotypic differentiation of populations through resource-based divergent natural selection, phenotypic differentiation through resource competition (ecological opportunity), and phenotypic differentiation through divergent character.
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An object is dropped from the rest near the surface of the earth. if the time interval durinh which it falls is cut in half, the distance it fall will:________
If the time interval during which it falls is cut in half, the distance it fall will be decreased by a factor of 4.
When there is an uniform acceleration,
s = vt - 1/2 a[tex]t^{2}[/tex]
where,
s = Displacement or distance travelled
v = Final velocity ( Here v = 0 )
a = Acceleration
t = Time
[tex]s_{1}[/tex] = - 1/2 a[tex]t_{1} ^{2}[/tex]
[tex]s_{2}[/tex] = - 1/2 a[tex]t_{2} ^{2}[/tex]
Given that,
[tex]t_{2}[/tex] = [tex]t_{1}[/tex] / 2
[tex]t_{1}[/tex] = 2 [tex]t_{2}[/tex]
Rate of change of displacement [tex]s_{2}[/tex] / [tex]s_{1}[/tex] = ( - 1/2 a[tex]t_{2} ^{2}[/tex] ) / ( - 1/2 a[tex]t_{1} ^{2}[/tex] )
= [tex]t_{2} ^{2}[/tex] / 4[tex]t_{2} ^{2}[/tex]
[tex]s_{2}[/tex] = [tex]s_{1}[/tex] / 4
The equation s = vt - 1/2 a[tex]t^{2}[/tex] is an equation of motion. Equations of motion describes a physical system's motion with respect to time.
Therefore, If the time interval during which it falls is cut in half, the distance it fall will be decreased by a factor of 4
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If the position function of a particle is a linear function of time, what can be said about its acceleration?
The acceleration of the particle will be 0.
We have position function of a particle is a linear function of time.
We have to determine its acceleration.
What is Acceleration ?The rate of change of velocity with respect to time is called Acceleration.
According to the question -
Assume that the linear function of position of a particle is as follows -
x = mt + c
Where x is displacement of particle and t is time.
Now, Differentiating with respect time, we get velocity -
[tex]$\frac{dx}{dt} = \frac{d}{dt}\;(mt+c) = m[/tex]
Differentiating again with respect time, we get acceleration -
[tex]$\frac{d^{2} x}{dt^{2} } = \frac{d}{dt}\;m = 0[/tex]
Hence, the acceleration of the particle will be 0.
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I need help with #25 PLEASEEEE!!
I DONT UNDERSTAND
Which term best describes a soft drink?
a) heterogeneous mixture
b) pure substance
c) homogeneous mixture
d) compound
A soft drink is a homogeneous mixture.
All of the ingredients in a homogeneous mixture are dispersed equally, and in soft drinks, ingredients including sugar, carbon dioxide, and water combine to produce a single phase. A soft drink is therefore an uniform composition.
Mixtures are the combination of substances ?A mixture could be homogeneous or heterogeneous.
A mixture refers to a combination of two or more substances that are not chemically combined together. They may be solids, liquids or gases.
A mixture may be composed of substances in the same phase or different phases. If substances are combined in the same phase to form a mixture then the mixture is homogeneous. If substances in different phases combine to give a mixture then the mixture is heterogeneous.
Examples of homogeneous mixtures are salt and water solutions while examples of heterogeneous mixtures are sand and water as well as oil and water.
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Ammonia (nh3) and ammonium ion (nh4 ) can work together as a buffer in living systems. how do they carry out this function?
When modest amounts of strong acids or bases are added to a weak acid (or base), it forms a solution known as a buffer that resists pH changes.
The ammonium buffer, which is an aqueous solution of NH3 (ammonia) and NH4Cl (ammonium chloride), mixed in equal molar ratios, is a typical buffer, as the question implies. This creates an alkaline buffer with a pH of roughly 9.20, or higher than 7. It's interesting to note that as long as your concentrations stay the same, nothing else matters. Since ammonia is a weak base, the equilibrium will be located far to the left:
NH4+(aq) + OH NH3(aq) + H2O(l) (aq)
Additionally, a soluble salt called ammonium chloride will also be present in solution.
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Complete the sentences to describe the difference between static and dynamic equilibrium.
An object in equilibrium has a net force of
. Static equilibrium describes an object at
having equal and balanced forces acting upon it. Dynamic equilibrium describes an object in
having equal and balanced forces acting upon it.
To complete the sentences, we have
An object in equilibrium has a net force of zeroStatic equilibrium describes an object at rest having equal and balanced forces acting upon it. Dynamic equilibrium describes an object in motion having equal and balanced forces acting upon it.What is equilibrium?Equilibrium is the phenomenom in which no net force acts on an object.
What is Static Equilibrium?Static equilibrium is equilibrium is which the body is at rest and has equaland balanced forces acting on it.
What is Dynamic Equilibrium?Dynamic equilibrium is equilibrium is which the body in motion and has equaland balanced forces acting on it.
So, to complete the sentences, we have
An object in equilibrium has a net force of zeroStatic equilibrium describes an object at rest having equal and balanced forces acting upon it. Dynamic equilibrium describes an object in motion having equal and balanced forces acting upon it.Learn more about equilibrium here:
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Astronomers have not yet been able to detect planets outside our solar system. true false
When a person is
nearsighted, an eyeglass lens is needed to
bend light entering the eye away from the
optical axis. What type of lens will do this?
The bar on the histogram with endpoints 60 to 120 has a height of 0.14. what does this mean?
The correct answer he bar on the histogram with endpoints 60 to 120 has a height of 0.14 means 14% of the items were lost.
A histogram is a graph that uses rectangles to show the frequency of numerical data. The height of a rectangle (the vertical axis) represents the distribution frequency of a variable (the amount, or how frequently that variable appears).
The histogram is a popular graphing tool that is used to summarize discrete or continuous data that is measured on an interval scale. It is often used to illustrate the major features of the distribution of the data in a convenient form.
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If your engine is flooded with gasoline, you should push the ____ to the floor and hold for _____.
a. accelerator, 5 seconds
b. accelerator, 1 minute
c. brake, 1 minute
d. brake, 5 seconds
If your engine is flooded with gasoline, you should push the brake, to the floor and hold for 5 seconds.
What is gasoline?Gasoline or petrol is a transparent, petroleum-derived flammable liquid that is used primarily as a fuel in most spark-ignited internal combustion engines. Gasoline is already considered frozen if it turns into a thick sludge or wax. To totally avoid frozen gasoline inside the car, focus on preventing the fuel line from freezing during winter. Stale gasoline can be dangerous as it contains a combination of over 150 chemicals that can destroy both animal and human lives. Gasoline vapors are heavier than air, so they settle on the ground and travel like a liquid. Because of this, they often find their way into drains, basements, and sewer lines.
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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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At highway speeds, a particular automobile is capable of an acceleration of about 1.8 m/s 2 . at this rate, how long does it take to accelerate from 65 km/h to 120 km/h?
A particular automobile with an initial speed of 65 km/h will come to 120 km/h in 8.49 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= 65 km/hvf = 120 km/ha= 1.8 m/s2t = ?By converting the velocity from km/h to m/s, we get:
65 km/h * (1000 m / 1 km) * (1 h / 3600 s) = 18.056 m/s
120 km/h * (1000 m / 1 km) * (1 h / 3600 s) = 33.33 m/s
Applying the time formula, we have:
t = (vf - vi) /a
t = (33.33 m/s - 18.056 m/s) / 1.8 m/s2
t = 15.274 m/s / 1.8 m/s2
t = 8.49 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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The motivations that underlie behaviors can be difficult to measure because :________-
Because,
- The respondents might not be able to explain their actions.- Respondents may be able to explain their conduct, but the explanation they give may not be the underlying cause.What does motivation explain about behavior?The mechanism that starts, directs, and sustains goal-oriented behaviour is known as motivation. For instance, it spurs you on to get that job promotion or helps you maintain your weight loss. Simply defined, motivation encourages you to take steps that advance your goals.
The word "motivation" is widely used in ordinary speech to refer to the factors influencing someone's actions. It is what spurs people into taking certain actions. The biological, emotional, social, and cognitive variables that drive human behaviour are all included in motivation.
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sketch the graph of density against temperature of water between 0°c and 10°c
Answer:there is the scetch in the picture
Explanation:
Johnny Hotfoot slams on the brakes of his car mov- ing at 60 mph (26.7 m/s) and skids to a stop in 4 s. (a) What is the deceleration of the car? (b) How far does it skid?
At 60 mph (26.7 m/s), Johnny Hotfoot slams on the brakes of his car and skids to a stop in 4 s. (A) How fast is the car slowing down? (b) The extent of the skid.
If the car had been traveling at 40.0 m/s, it would have slid 27.2 m.
The frictional force opposes the linear force pulling on the automobile. Consequently, m is the vehicle's mass, an is its acceleration, and c is its coefficient of friction.
The normal force is R.
given the aforementioned variables
Find the length of the skid if the vehicle had been traveling at 40.0 m/s.
The car would have skidded 27.2 meters if it had been driving at 40.0 meters per second.
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1. Convert the following measurements to the units specified.
2.5 days to seconds
Answer: 216000
Explanation:
60 seconds in 1 hour
24 hours in a day = 1440
148 hours in 7 days
If you throw a ball straight upward at a speed
of 10 m/s, how long will it take to reach zero
speed? How long will it take to return to its
starting point? How fast will it be going when
it returns to its starting point?
Explanation:
hey! what's up dude
the answer of this will be 1. 1 sec
2. 2sec
3. 10 m/s
hope you find help
now the reson for this will be
let's look in 1st part
we will use v=u+at
where v will be zero at highest pont u is 10m/s
we can take g as 10 or 9.8
so
0=10-10t
so it becomes
-10/-10=t
so 1 sec will be the answer
in 2nd part same time will be taken to come back so total time will be 2 sec
3rd part we can use v=u+at
where we have to find v, u=10 g=-10 and t=2 sec
now v=10-20 so v= -10 m/s
since in question it's asking abaout speed and as speed is a scaler quantity so answer will be mode of -10 so it becomes 10m/s
hope it's help you..
How long does it take a message to travel from earth to a spacecraft at mars at its closest to earth (about 56 million km)?
A message to travel from earth to a spacecraft at mars as its closest to earth is about 3.11 minutes.
To find the time, the given values are,
Distance = 56 million kilometers.
What is distance?The amount of space or the length between two points or two objects is said to be distance.The length of displacement between two points.Distance can be measured through meters.Distance is a scalar quantity.
Here,
A message needs to be traveled to mars from earth and the distance between Earth and Mars (given) s = 56 million km
Speed of light = 3.00—10^5 km/ sec
As We know Velocity,
Velocity = distance / time
=> time = distance / velocity
Time taken t = 56 million km / 3.00—10^5
= 56 x 10^6 / 3 x 10^5
= 186.666 sec
Time taken t = 3.11 min.
So, the message to travel from earth to a spacecraft at mars as its closest to earth is about 3.11 minutes.
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