Potable water is fit for drinking. Option E
What is portable water?Potable water is water that is safe for human consumption and considered fit for drinking. It is free from harmful bacteria, viruses, chemicals, and other contaminants that can cause health problems.
Potable water can come from different sources such as groundwater, surface water, or treated wastewater, and it is typically treated and disinfected to ensure its safety before being distributed to consumers.
Portable water isn't known as industrial wastewater, irrigation water, groundwater and sewage.
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What is the source of Jupiter's nonthermal radio radiation?
a. the gravitational attraction of Jupiter's moons
b. the Great Red Spot
c. thermonuclear fusion in Jupiter's core
d. charged particles moving in a magnetic field
The source of Jupiter's nonthermal radio radiation is d) charged particles moving in magnetic field. Jupiter has strong magnetic field that traps particles from solar wind and the Jovian moons.
Theses particleare accelerated by the magnetic field and produce synchrotron radiation, which is a type of nonthermal radio radiation. The intensity of the radiation is strongest near Jupiter's magnetic poles, where the magnetic field is strongest. The Great Red Spot and thermonuclear fusion in Jupiter's core do not contribute to the nonthermal radio radiation. The study of Jupiter's nonthermal radio radiation helps scientists better understand the planet's magnetic field and the interactions between the planet and its surrounding environment.
The thermal and nonthermal radio leptons (electron and pair) produced by synchrotron, bremsstrahlung, and Compton processes, as well as bound-bound and bound-free transitions of high-Z elements, emit high-energy radiation from compact astrophysical objects. The Monte Carlo (MC) methodology is the most effective and precise way to predict the transport of high-energy radiation because Compton scattering is a major radiation process in this regime.
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A box moves 5\,\text m5m5, start text, m, end text horizontally when force F=20\,\text NF=20NF, equals, 20, start text, N, end text is applied at angle \theta=45\degreeθ=45°theta, equals, 45, degree. What is the work done on the box by FFF during the displacement?
Answer:
70.71
Explanation:
Given that :
Force (F) = 20N
Distance moved (d) = 5 m
θ = 45°
Workdone on the box :
Workdone (W) = Fdcosθ ; where ;
F = Force, d = Displacement, θ = angle
W = 20 * 5 * cos45°
W = 100 * 0.7071067
W = 70.71 Nm
The (hypothetical) \( \mathrm{ABC} \) index spot price is currently at 1302 and the continuously compounded riskfree ratais \( 6 \% \) p.a. The 6 -month observed futures price on the index is 1335 . W
The implied annualized risk-free rate of return for holding the futures contract is approximately 8.51%.
In this scenario, the futures price of the ABC index is higher than the spot price, indicating a positive cost of carry. To calculate the implied annualized risk-free rate of return, we can use the formula:
Implied Annualized Risk-free Rate = (Futures Price - Spot Price) / Spot Price * (365 / Time to Expiration)
Given the spot price of 1302, the futures price of 1335, and a 6-month expiration period, we can plug these values into the formula:
Implied Annualized Risk-free Rate = (1335 - 1302) / 1302 * (365 / 0.5)
Calculating the expression yields approximately 0.0851 or 8.51%. This implies that holding the futures contract on the ABC index would yield an annualized risk-free return of 8.51% if the current market conditions persist.
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The above given question is incomplete, below a complete question is written:
The (hypothetical) ABC index spot price is currently at 1302, and the continuously compounded risk-free rate is 6% per annum. The 6-month observed futures price on the index is 1335. What is the implied annualized risk-free rate of return for holding the futures contract?
Holly is conducting an experiment in which she changes the voltage across a circuit and records the relative brightness of a light bulb in the circuit. She takes notes in the notebook below.
How might these notes be useful?
A.
They could help her teacher to understand what she did in the experiment.
B.
They could help someone interested in conducting the same experiment.
C.
They could help her remember the experiment in the future.
D.
all of these
Reset Submit
Answer:
all of these
Explanation:
Answer:
D.all of there
Explanation:
a torpedo fired from a submerged submarine is propelled through the water eit ha speed of 20.00m/s and explodes upon impact with a target 2000.0m away. if the sound of the impact in heard 101.4s after the torpedo was fired, what is the speed of sound in water
The speed of sound in water made by a torpedo with a speed of 20.00m/s and explodes upon impact with a target 2000.0m away is 19.72 m / s
v = d / t
v = Velocity
d = Distance
t = Time
d = 2000 m
t = 101.4 s
v = 2000 / 101.4
v = 19.72 m / s
Velocity of an object is the object's rate of change of position with respect to time. It is mostly denoted as m / s.
Therefore, the speed of sound in water is 19.72 m / s
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what is one way that astronomers have actually gotten an idea of the age of the surfaces of terrestrial planets other than the earth? group of answer choices bringing back samples and run radioactive dating tests measuring the thickness of the atmosphere above each surface counting craters looking at the colors different surfaces show
The suitable method to determine the age of the surface of terrestrial planets is the crater counting. Because, as the age of the planet increases, its crater count also increases.
What is crater counting?Crater counting a proper method to estimate the age of a planet's surface. Based on this method an assumption is made that the a piece of new planetary surface doesn't have impact craters.
The rate of accumulation of impact craters increases with the age of the planetary surface. Counting the number craters per given area helps to determine how long they have created there and thus, how long the surface has formed.
Dating of samples with radioactive isotopes is used find the age of rocks. Similarly measuring atmospheric thickness and color analysis does not give an idea about the age of the surface of planets. Hence, option c is correct.
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d. how do the equations above support your predictions of brightness and the pattern shown on the right?
The equations above provide a detailed understanding of the relationship between the variables that affect the brightness and pattern shown on the right. They take into account factors such as the distance between the light source and the object, the angle of incidence, and the reflectivity of the object's surface.
By plugging in different values for these variables, we can predict how bright the object will appear and what kind of pattern it will create. This level of detail allows us to make accurate predictions and ensure that our designs will achieve the desired visual effect.
It would be helpful to know the specific equations and the pattern. However, general explanation of how equations can support predictions of brightness and patterns.
Equations can support predictions of brightness and patterns by:
1. Identifying the variables: The equations may involve variables related to light intensity, distance from the source, and other factors affecting brightness and patterns.
2. Quantifying the relationship: The equations may establish a mathematical relationship between the variables, which can be used to predict how changes in one variable will affect the brightness and pattern.
3. Providing a basis for comparison: By plugging in values for the variables, you can calculate the predicted brightness and patterns for different situations and compare them to each other.
4. Verifying predictions: You can use the equations to test your predictions against experimental data and confirm their accuracy.
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when a student shines a 480 nm laser through this grating, how many bright spots could be seen on a screen behind the grating?
Depending on the spacing of the grating, there can be up to four bright spots seen on the screen behind the grating.
A grating is composed of multiple lines that are etched onto a surface, and when a light passes through these lines, it is split into its component wavelengths. Since the laser is 480 nm, the diffracted light will be composed of 480 nm light.
When light is shone through a grating, it diffracts and produces a pattern of bright spots and dark fringes on a screen placed behind the grating.
Depending on the spacing of the grating, there can be up to four bright spots seen on the screen behind the grating.
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how is the internal energy of the particles in the brake pads affected by the increase in temperature?
Answer:
increasedExplanation:As the temperature is increased the more the energy store
why energy crisis may create big problem in the near future.
Answer:
Most energy crises have been caused by localized shortages, wars and market manipulation. Some have argued that government actions like tax hikes, nationalisation of energy companies, and regulation of the energy sector, shift supply and demand of energy away from its economic equilibrium.
the closer an object is to the center of earth, the ___________ the gravitational force on that object.
Answer:
Greater
Explanation:
Fg=force of gravity
Fg= (Gm_1m_2)/r^2
as r, radius to the center of the body (Earth), dec, the denominator gets larger thus causing a smaller Fg.
\(\lim_{r \to \ 0} Fg=infinity\)
According to ohms law, as the voltage increases across a 40 ohm resistor what happens to the current, resistors, and resistance
Answer:
As the voltage increases, the current flowing through the circuit increases while the resistance of the resistor remains constant.
Explanation:
Ohm's law states that the current flowing through a circuit is directly proportional to the applied voltage.
V = IR
where;
I is the current
R is the resistance
V is the applied voltage
Based on this law (Ohm's law), as the voltage increases, the current flowing through the circuit increases while the resistance of the resistor remains constant.
Using the correct IUPAC nomenclature, what is the correct name, formula,
and classification of a compound that contains two nitrogen atoms and one
oxygen atom?
O A. Mononitrogen dioxide, N20, covalent compound.
B. Nitrogen dioxide, NO2, ionic compound.
O C. Dinitrogen monoxide, N20, covalent compound.
D. Nitrogen oxide, No, ionic compound.
Answer: C is right
Explanation:
N and O are no-metals and forms covalent bonds.
Usually they need a. Prefix whic tells number of atoms in compound
What types of human and animal behavior are "complex, unlearned, and rigidly patterned"?
Answer:
Instincts
Explanation:
instincts are complex, unlearned behaviors that are present throughout a species and genetically transmitted.
How is the independent variable affected by the dependent variable
Answer:
A dependent variable is a variable that is tested in an experiment. An independent variable is that can be modified. Depending on what you are testing, the dependent variable will change accordingly to the dependent variable.
- I'm reading this back and it doesn't make much sense, if you want me to reword this I can
An inner city revitalization zone is a rectangle that is twice as long as it is wide. The width of the region is growing at a rate of 24 m per year at a time when the region is 300 m wide. How fast is the area changing at that point in time
Answer:
\(\frac{dA}{dt} = 28800 \ m^2/year\)
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Geometry
Area of a Rectangle: A = lwAlgebra I
Exponential Property: \(w^n \cdot w^m = w^{n + m}\)Calculus
Derivatives
Differentiating with respect to time
Basic Power Rule:
f(x) = cxⁿ f’(x) = c·nxⁿ⁻¹Explanation:
Step 1: Define
Area is A = lw
2w = l
w = 300 m
\(\frac{dw}{dt} = 24 \ m/year\)
Step 2: Rewrite Equation
Substitute in l: A = (2w)wMultiply: A = 2w²Step 3: Differentiate
Differentiate the new area formula with respect to time.
Differentiate [Basic Power Rule]: \(\frac{dA}{dt} = 2 \cdot 2w^{2-1}\frac{dw}{dt}\)Simplify: \(\frac{dA}{dt} = 4w\frac{dw}{dt}\)Step 4: Find Rate
Use defined variables
Substitute: \(\frac{dA}{dt} = 4(300 \ m)(24 \ m/year)\)Multiply: \(\frac{dA}{dt} = (1200 \ m)(24 \ m/year)\)Multiply: \(\frac{dA}{dt} = 28800 \ m^2/year\)Answer:
28,800 m²/yr
Explanation:
This rectangle has dimensions such that:
width = wlength = 2wWe are given \(\displaystyle \frac{dw}{dt} = \frac{24 \ m}{yr}\) and want to find \(\displaystyle \frac{dA}{dt} \Biggr | _{w \ = \ 300 \ m} = \ ?\) when w = 300 m.
The area of a rectangle is denoted by Area = length * width.
Let's multiply the width and length (with respect to w) together to have an area equation in terms of w:
\(A=2w^2\)Differentiate this equation with respect to time t.
\(\displaystyle \frac{dA}{dt} =4w \cdot \frac{dw}{dt}\)Let's plug known values into the equation:
\(\displaystyle \frac{dA}{dt} =4(300) \cdot (24)\)Simplify this equation.
\(\displaystyle \frac{dA}{dt} =1200 \cdot 24\) \(\displaystyle \frac{dA}{dt} =28800\)The area is changing at a rate of 28,800 m²/yr at this point in time.
What are the differences between ohmic and non-ohmic conductors?
Answer:
The difference between ohmic and non-ohmic conductor is that an Ohmic conductors have linear relationship between voltage and current, whereas the non-Ohmic conductors do not have linear relationship between voltage and current. The conductor is whether ohmic or non ohmic can be verified with Ohm's law.
Explanation:
What does storm signal number 1 mean?
Storm signal number 1 is a form of weather caution issued via the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) to alert the public to the opportunity of a tropical cyclone entering the USA.
When a storm sign number 1 is raised, it method that a tropical cyclone, along with a tropical despair or tropical hurricane, is expected to affect a particular region within the next 36 hours.
The winds related to the cyclone aren't yet strong sufficient to cause widespread harm, but they may be sufficient to disrupt transportation and different outside sports.
Throughout storm sign number 1, the general public is cautioned to be vigilant and take precautions, which include securing loose items and staying indoors if feasible.
Fishermen are recommended to keep away from going out to sea, and small vessels are cautioned to take refuge. PAGASA issues hurricane signal warnings up to a wide variety of five, with better numbers indicating more intense climate situations.
The warnings are a crucial tool for helping the general public to put together for and stay safe throughout tropical cyclones, which could reason extensive damage and loss of life within the Philippines.
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C is correct just an FYI
Answer:
Huh?
Explanation:
A beam of light passes through the air (n = 1. 00) and enters a diamond (n - 2. 42) at an angle of incidence of 40 degrees. Use Snell's Law to find the angle of refraction in the diamondIf the diamond is placed in a tank of water (n - 1. 33) and the beam of light enters the diamond at the same angle of incidence, what would be the new angle of refraction Show all work
Explanation:
This is the correct answer...
I hope you understand...
Help help help help help help help
Answer:
4
Explanation:
A bobsled is traveling at 18.6 m/sec. The operator uses the brake for 2.60 seconds, slowing the sled to 14.2 m/sec.
Answer:
iiiiiiiiiiiiii8iiiiiiiiiiiii
List some endurance training exercises.
Answer:
•Walking briskly
• Running /jogging
•Dancing
•biking
The radius of our Sun is 6.96 108 m, and its total power output is 3.85 1026 W. (a) Assuming the Sun's surface emits as a black body, calculate its surface temperature. K (b) Using the result of part (a), find ?max for the Sun. nm
The maximum wavelength of radiation emitted by the Sun is approximately 504 nm (in the visible light range, in the purple-blue region).
To calculate the surface temperature of the Sun, we can use the Stefan-Boltzmann law, which states that the total power output of a black body is proportional to the fourth power of its temperature.
The equation is:
P = σT^4
where P is the total power output, σ is the Stefan-Boltzmann constant (5.67 x 10^-8 W/(m^2·K^4)), and T is the temperature in Kelvin.
We can rearrange this equation to solve for T:
T = (P/σ)^(1/4)
So, using the given value for the total power output of the Sun (3.85 x 1026 W) and the value for the Stefan-Boltzmann constant:
T = (3.85 x 1026 W / (5.67 x 10^-8 W/(m^2·K^4)))^(1/4) = (6.8 x 1033)^(1/4) = 5.78 x 10^3 K
So, the surface temperature of the Sun is approximately 5780 K.
(b) To find the maximum wavelength of radiation emitted by the sun, we can use Wien's displacement law, which states that the maximum wavelength of radiation emitted by a black body is inversely proportional to the temperature of the black body.
The equation is:
λ_max = b/T
where λ_max is the maximum wavelength, b is Wien's constant (2.89 x 10-3 m·K) and T is the temperature in Kelvin.
So using the value for the temperature of the sun that we calculated previously and Wien's constant:
λ_max = 2.89 x 10-3 m·K / 5780 K = 0.000504 m = 504 nm.
So, the maximum wavelength of radiation emitted by the Sun is approximately 504 nm (in the visible light range, in the purple-blue region
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A super dart of mass 20 g, traveling at 350 m/s, strikes a steel plate at an angle of 30� with the plane of the plate, as shown in the figure. It bounces off the plate at the same angle but at a speed of 320 m/s. What is the magnitude of the impulse that the plate gives to the bullet?**Theres a simple image that could be helpful that i can't seem to upload but basically its two 30 degree angles on a vertical line, diagonally facing each otherA) 6.7 N ? s B) 0.30 N ? s C) 4.3 N ? s D) 0.52 N ? s E) 300 N ? s
The magnitude of the impulse that the plate gives to the bullet is 6.7 N, Option a.
How to solve for the magnitudeThe formula for impulse is given as m*deltav
convert 20 grams to kg
= 20 x 1000
= 0.020kg
We would have to find the paralle; impulse and also solve for the perpendicular impulse.
The parallel impulse is given as:
0.020kg * (320 - 350)m/s * cos30
= 0.020 * -30 * 0.8660
= -0.5196
Next we have to solve for the perpendicular impulse
0.020kg * (320 + 350)m/s * cos30
0.020 * 670 * 0.8660
= 6.7
the mag impulse is given as;
\(\sqrt{6.7^2 + 0.52^2}\)
= 6.7 N/S
Option A is correct
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You are gardening in the peak of summer, it hasn't rained in a week, and your plants are looking rough. You decide to water the plants for an hour. The next day you come back to the garden, and the plants look in worse shape than they did previously, as if none of that water made it to the plant. With what you know from class, please try and explain what is happening to your plants.
In the peak of summer, it hasn't rained in a week, and the plants are looking rough, so watering the plants for an hour is a good idea.
However, the next day, you come back to the garden, and the plants look in worse shape than they did previously, as if none of that water made it to the plant. Plants absorb water through their roots. The root system of a plant is responsible for drawing water and nutrients from the soil. A plant's root system must be able to absorb water quickly in order for the plant to grow and thrive. When the soil around the root system is dry, the roots will stop growing and will not be able to absorb water.
It may even start to die. Watering plants during the peak of summer is important because it will help keep the soil moist and prevent the roots from drying out. However, watering a plant too much can be harmful. If a plant is overwatered, the water may not be able to penetrate the soil and reach the roots. Instead, it may just sit on top of the soil, causing the roots to rot and die. This can cause the plant to wilt and die.To summarize, if the soil around the plant is too dry, the roots may not be able to absorb the water you gave them, causing the plant to look worse than before. Conversely, overwatering can also be harmful because the water may not be able to penetrate the soil and reach the roots, causing the roots to rot and die.
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Is the image formed by a plane mirror always real?
True or false?
What is the instantaneous velocity at t 1?.
Given that our line depicts the displacement of our object over time and that an object's instantaneous velocity (at t=1 is zero) is the derivative of that object's displacement at a particular point.
As we saw in the section above, we can also state that the instantaneous velocity at time t = 1 is roughly 2 meters per second. The limit of an object's average velocity as time passes toward zero is the object's instantaneous velocity.
By dividing the amount of time it took an object to go a certain distance by the overall distance, one can calculate the object's initial velocity. V, d, and t are the variables in the equation:
V = d/t, where V is the speed and t is time.
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1
Which of the following is NOT true of gravitational force?
It is a noncontact force.
It depends on speed.
It depends on mass.
It depends on distance.
Answer:
The answer to your query would be the Second Answer Choice.
Explanation:
> We can find that this is the answer by using the process of elimination. A quick explanation of this is marking the answers that don’t make sense so we know they can’t be the answers. Let’s do this,
> As for “It is a noncontact force”, this is correct, as gravity does not require contact, nor is it possible to come into contact with gravity. This is correct, so this is not our answer. Remember we are trying to find which is NOT correct.
> As for “It depends on speed”, this is not correct, as gravity does not rely or take in the speed or velocity of an object. If something were to be going 100 MPH , it would be feeling the same gravitational force as something standing still. This is most likely our answer, although we may find another one, so we cannot assume.
> As for “It depends on mass”, this is a correct statement, as the more mass something has, the more gravity acts upon it. If something were to have no mass, there would be no gravity on that object. Once again, since we are looking for something that is NOT correct, this is not our answer.
> As for “It depends on distance”, this is also a correct statement, as the further away something is, the less the gravity of another object acts upon it. The closer, and the more it acts upon it.
> Since the only thing we found to be NOT true (and therefore matching the description of the question) was “It depends on speed”, that is our answer to the question.
> I hope the successfully answered your question and any more queries on the subject you may have had. #LeariningWithBrainly
Answer:
B
Explanation:
It depends on speed. This is not true. Guy above explains it very well.
What is a metallic bond?
Explain in like a simple way please