The final phase of the order cycle is called order ____.
Suppose you were asked to demonstrate electromagnetic induction. Which of the following situations will result in an electric current?
A magnet is moving toward a wire loop.
A wire loop is moving away from a magnet.
A wire loop is rotated near a magnet.
All of the above
what mechanical layer lies below the lithosphere
Answer: The layer below the lithosphere lies the Asthenosphere.
Explanation:
The asthenosphere is a viscous layer, in which the rocks are solid but has the ability to slightly flow due to deformation. This layer plays a very significant role in the plate tectonic movement, which initiates the motion of the lithospheric crust, due to the generation of the convection current at the mantle. It is present in the upper part of the mantle.
The internal heat from the core of the earth radiates to the mantle, and the magma at the mantle gets heated up and become less dense and rises up, and this magma when reaches on the upper part of the mantle, near the surface, gets cools down and become more dense, and sinks. This continuous circulation of magma in the mantle region is known as the convection current.
The layer below the lithosphere is the asthenosphere, which is semi-fluid and allows the tectonic plates of the lithosphere to move.
Explanation:The mechanical layer that lies below the lithosphere is known as the asthenosphere. This semi-fluid layer is located directly underneath the rigid lithospheric plate and is characterized by its ability to flow and move. Due to intense heat and pressure coming from the earth's core, the rocks in the asthenosphere exist in a plasticky, semi-liquid state, which allows the tectonic plates of the lithosphere to move and shift above it.
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The input force of a pulley system must move 8.0 m to lift a 3,000-n engine a distance of 2.0 m. what is the ima of the system?
Make the following conversion.
45 m = ____ cm
4500
0.45
450
0.045
the combination of all forces acting on an object is called _____.
Match the term to its definition. A. Conduction Heat flowing when a liquid or gas carries the heat B. Convection Heat flowing between two objects that are touching each other C. Radiation Heat flowing in waves
A vector has an x-component of length 10 and a y-component of length 3. What is the angle of the vector? (Hint: Use the inverse tangent.)
A strong magnetic field surrounds earth. How does earths magnetic feild help humans?
Answer:
Earth's magnetic field deviates high energy particles (e.g cosmic rays) that are a risk for human health.
Explanation:
Cosmic rays are high energy charged particles (88% protons, 10% nuclei of helium, 1% heavier nuclei) that came from the outer space. The energies of these particles are in the range of 1 GeV to 10⁸ TeV. Since they are charged particles, they will be deviated by Earth’s magnetic field¹ (as a reminder: A magnetic field applies a magnetic force over a moving charged particle).
Earth’s magnetic field works as a shield to humans against high energy charged particles, if cosmic rays were in touch with a human body, it can break molecules that forms DNA structure². Modifying that structure can lead to diseases as cancer, for example.
Units:
GeV: Giga-electronvolt
TeV: Tera-electronvolt
¹Magnetic field: It is generated around the space of a moving charged particle.
²DNA structure: It is a compound of different molecules that provides information to cells functionality.
When you look into a clear pond, a fish may appear to be in a different position than it actually is. What is this caused by?
A. diffraction
B. dispersion
C. refraction
D. reflection,
How much heat is needed to change 5.42 grams of solid gold to liquid gold at its melting point of 1,063°C? The latent heat of fusion of gold is 66.6 J/g.
Answer:
360.97 J
Explanation:
mass of gold, m = 5.42 g
Latent heat of fusion, L = 66.6 J/g
The amount of heat required to convert 1 kg of solid into liquid state at its melting point is called latent heat.
L = Heat / mass
So, L = Q / m
Q = m L
Where, Q is the amount of heat supplied and L be latent heat of fusion amd m be the mass of substance.
Q = 5.42 x 66.6
Q = 360.97 J
Thus, the amount of heat required to melt the desired amount of gold is 360.97 J.
Select all that apply. A hypothesis is _____. always correct determined before experimentation begins the experimental factor that changes in response to a change in the independent variable testable and falsifiable
A hypothesis is a testable and falsifiable assumption known before experimentation. It's not always correct and does not always change in response to a change in the independent variable. Even when experiments support a hypothesis, it is not confirmed as absolutely correct.
Explanation:A hypothesis is a testable and falsifiable assumption based on what is known. It is determined before any experiment begins and serves as a guide for the collection and analysis of data. For instance, we could formulate a hypothesis like, 'If I water plants with sugar-mixed water, they will grow faster.'. If subsequent experimentation disproves this hypothesis, it must be discarded or reformed.
A hypothesis does not necessarily change in response to a change in the independent variable; rather, it predicts the expected response or outcome. However, a hypothesis is not always correct. It represents our best prediction based on the current information and can often be proven wrong as new data or insights become available via further empirical research.
Furthermore, in scientific research, even though a hypothesis is supported by multiple experiments, it does not confirm it to be correct, as future experiments could contradict it. Also, if a hypothesis explains a large amount of experimental data it could be considered a theory, but even theories can be modified if new data appears.
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A soccer ball is kicked with an initial speed of 8.8 m/s. After 0.179 s it is at its highest point. What was its initial direction of motion?,
The temperature differences seen between quito, ecuador, and guayaquil, ecuador, illustrate the effect of _____. ocean currents cloud cover altitude
This one has got to be the altitude.
Which of the following items is most sensitive to increased acidity in the environment?
Answer: CONCRETE BUILDINGS
Explanation:
i got it right in my quiz
English help please
The last answer says archer
An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. The height of the rebound bounce is measured using a scale positioned behind the ball.
In the above experiment, which condition would not be controlled?
Help please
Water is a compound because it (1 point)
• can be broken down into simpler substances.
• always has two hydrogen atoms for each oxygen atom.
• is made of water atoms joined together.
• both a and b
Which of the following is a heterogeneous mixture? (1 point)
• water in a swimming pool
• sugar water
• a jar of mixed nuts
• stainless steel,
At noon, ship a is 30 nautical miles due west of ship
b. ship a is sailing west at 22 knots and ship b is sailing north at 23 knots. how fast (in knots) is the distance between the ships changing at 5 pm? (note: 1 knot is a speed of 1 nautical mile per hour.)
Because speed is squared in the kinetic energy equation doubling an object's speed will what to its kinetic energy
Record the length of the line shown in millimeters.
Choose one will mark the Brainliest.
34.3
3.43
3.40
3.4
Although Neptune is the farthest planet from the Sun, it travels in a fixed orbit around the Sun and never changes its path. What is the reason for this?
A) The magnetic pull of the Sun holds Neptune in its orbit.
B) The gravitational pull of the Sun holds Neptune in its orbit.
C) The nuclear force acting between the Sun and Neptune holds the latter in its orbit.
D) The repulsive force of bodies outside the solar system holds Neptune in its orbit.
Answer:
B. The gravitational pull of the sun holds Neptune in its orbit.
Explanation:
Whether a farthest planet or a nearest planet, all the planets in the solar system are held in their respective orbits by the mutual gravitational force of attraction. That is, the Sun exerts a gravitational force on the planet and the planet in turn pulls the Sun towards it. These two forces are equal in magnitude and oppositely directed to each other.
That is very well explained by the Newton's universal gravitational law,
As the distance between the Sun and the planet increases, the mutual gravitational force of attraction between the planets will decrease.
Mercury, Venus, Earth , Mars, Jupiter, Saturn, Neptune and Uranus are the planets that belong to the solar system. All these planets are revolving around the Sun.
Answer:
B
Explanation:
The two balls are an "action-reaction" pair. Ball 2 had a reaction to the action of ball 1, but ball 1 also had a reaction to ball 2. Explain how each ball moved after the collision in terms of the forces the balls exerted on each other.
A balloon filled with helium occupies 20.0 l at 1.50 atm and 25.0◦
c. how many moles of helium will there be in the balloon at stp?
By applying the Ideal Gas Law, we find that the helium balloon contains approximately 1.22 moles under the given conditions. This mole amount remains consistent at standard temperature and pressure (STP) as no gas is added or removed.
Explanation:Your question pertains to the concepts of chemical stoichiometry and the gas laws. Given the conditions and the volume of the gas, we start by converting the initial conditions to Standard Temperature and Pressure (STP). Your balloon containing helium is at a volume of 20.0 L, a pressure of 1.50 atm, and a temperature of 25.0°C (or 298.15 K in absolute temperature).
The Ideal Gas Law (PV=nRT) allows us to calculate the number of moles (n) in the balloon initially: n = PV/RT = (1.50 atm * 20.0 L) / (0.0821 L*atm/mol*K * 298.15 K) which results in approximately 1.22 mol of helium.
Now, to find the number of moles at STP, we need to remember that the number of moles remains the same as long as no gas is added or removed. Therefore, your balloon contains approximately 1.22 moles of helium at STP as well.
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There are approximately [tex]1.225\ moles[/tex] of helium in the balloon at STP (Standard Temperature and Pressure).
To find out how many moles of helium are in the balloon at STP (Standard Temperature and Pressure), we'll follow these steps:
Given Data
Volume of the balloon, [tex]\( V = 20.0 \) L[/tex]
Pressure of the helium gas,[tex]\( P = 1.50 \) atm[/tex]
Temperature of the helium gas, [tex]\( T = 25.0 \) ^\circ C[/tex]
Convert Temperature to Kelvin
First, convert the temperature from Celsius to Kelvin:
[tex]\[ T_{\text{Kelvin}} = T_{\text{Celsius}} + 273.15 \][/tex]
[tex]\[ T_{\text{Kelvin}} = 25.0^\circ C} + 273.15 \][/tex]
[tex]\[ T_{\text{Kelvin}} = 298.15 \text{ K} \][/tex]
Calculate the Number of Moles (using the Ideal Gas Law)
The ideal gas law equation relates the pressure, volume, temperature, and number of moles [tex](\( n \))[/tex] of a gas:
[tex]\[ PV = nRT \][/tex]
where:
[tex]\( P \)[/tex] is the pressure in atmospheres (atm)
[tex]\( V \)[/tex] is the volume in liters ([tex]L[/tex])
[tex]\( n \)[/tex] is the number of moles of gas
[tex]\( R \)[/tex] is the ideal gas constant, [tex]\( R = 0.0821 \) L\ atm/mol\ K[/tex]
[tex]\( T \)[/tex] is the temperature in Kelvin ([tex]K[/tex])
First, calculate [tex]\( n \)[/tex] using the ideal gas law:
[tex]\[ n = \frac{PV}{RT} \][/tex]
Now, substitute the given values:
[tex]\[ n = \frac{(1.50 \text{ atm}) \times (20.0 \text{ L})}{(0.0821 \text{ L·atm/mol·K}) \times (298.15 \text{ K})} \][/tex]
[tex]\[ n = \frac{30.0 \text{ atm·L}}{24.485 \text{ L·atm/mol}} \][/tex]
[tex]\[ n = 1.225 \text{ mol} \][/tex]
Compare and contrast the movement of electric charge in a solution with the transfer of electric charge between solid objects.
Electric charge transfer between solid objects involves the movement of electrons, whereas in solutions it involves the movement of both cations and anions. Both processes follow the principle of charge conservation.
Understanding the movement of electric charge requires comparing how it occurs in solutions versus solid objects. In solid objects, charge transfer primarily happens through the movement of electrons. When two solid objects come into contact, electrons can be transferred from one object to another, often facilitated by friction, leading to one object becoming negatively charged and the other positively charged.
On the other hand, in a solution, electric charge is carried by ions. For instance, in an ionic solution like salt water, both positive ions (cations) and negative ions (anions) can move freely. This is different from the transfer between solid objects where only electrons, carrying negative charges, move.
The relationship between the total charges before and after the transfer is that the total amount of charge is conserved. This means the sum of positive and negative charges remains constant, even though the charges might be redistributed. This principle is crucial in both solid object charge transfer and ionic solutions.
So, while the transfer of electric charge between solid objects involves moving electrons, in a solution, it involves the movement of both cations and anions. Both processes abide by the principle of charge conservation, ensuring that the total charge remains constant.
The potential difference in a simple circuit is 9 v and the resistance is 47 ω . what current flows in the circuit? answer in units of
a.
The current flowing in the circuit with a potential difference of 9 volts and resistance of 47 ohms is approximately 0.1915 amperes (A), calculated using Ohm's Law (I = V/R).
The current that flows through a circuit can be calculated using Ohm's Law, which is given by the formula V = IR, where V is the potential difference, I is the current, and R is the resistance. In this case, the potential difference is 9 volts (V) and the resistance is 47 ohms (Ω). To find the current, we rearrange the formula to I = V/R.
Substitute the given values into the formula:
I = 9V / 47Ω
I ≈ 0.1915 A
So the current flowing in the circuit is approximately 0.1915 amperes (A).
Which are ways of showing probability? Check all that apply.
i would say
-50%
-3/4
-25%
-7/8
Answer: a c e f
Explanation:
How does the mass relate to the momentum ?
Match the description of how heat is transferred to the proper term. A. When two things in contact with each other transfer heat Convection B. When a liquid or gas carries heat Conduction C. When waves transfer heat Radiation
these are my answers from the quiz i took
How was the speed of light measured in a precise way?
A. by timing how long it takes for an assistant far away to turn on a lantern after the scientist turns one on
B. by watching for eclipses
C. by timing the speed of falling meteorites
D. by using rotating mirrors to measure light's round trip travel to a distant mountain
:O :/,