Ampere's Law states that for any closed loop path, the sum of the length elements times the magnetic field in the direction of the length element is equal to the permeability times the electric current enclosed in the loop.
Ampere's Law states that the line integral of the magnetic field around an electric current is proportional to the current, helping in calculating the magnetic field generated by current-carrying wires.
Ampere's Law is a fundamental physical law in electromagnetism, stating that the line integral of the magnetic field (B) around an electric current is proportional to the current (I). This means that for any closed loop, the sum of the magnetic field dot products along the loop is equal to the permeability constant (µ₀) times the current passing through the loop. Mathematically, Ampere's Law is expressed as ∫ B ⋅ dl = μ₀I, where B is the magnetic field, dl is a differential element of the loop C, and μ₀ is the magnetic constant.
Ampere's law helps in determining the magnetic field generated by complex configurations of electric current by breaking it down into segments, each producing a magnetic field as if it was from a long straight wire. The resultant magnetic field is the vector sum of the fields due to each of these segments.
Which of the following is a strategy for remaining alcohol-free?
A.
lie to your parents
B.
know alcohol-related urban myths
C.
seek out situations where alcohol is served
D.
prepare excuses
Answer:
I'm not sure if your question is how do you refuse alcohol but my answer is D.
Explanation:
If you get offered to drink you can use good excuses such as, "That's not really my things sorry." Or " Nah, i'm good". Make sure it is a firm response so the offerers don't keep asking
Hope this helps
if it does please mark brainliest :D
-A. Hazle
Answer:
D.) Prepare excuses
Explanation:
What is formed from nuclear decay?
Answer:
Energy and another nucleus of the new element/particle.
Explanation:
A nuclear decay is an radioactive decay where the nucleus of an atom becomes unstable and loses energy through emitting radiations.For example, there is an alpha decay that release an alpha particle called helium-4, a beta decay that involve releasing a beta particle which normally occurs in a nucleus that has more neutrons than protons.Other decays are the gamma decay,electron capture and the spontaneous fission.Nuclear decay produces a lot of energy and radiations that could harm human cells if exposed.
Nuclear decay results in the formation of new elements or isotopes, which can involve beta decay, gamma decay, and alpha decay processes; notably, in reactors, this can lead to the production of plutonium-239 from uranium, and in supernovae, it results in the emission of gamma rays as elements like nickel decay into stable isotopes.
Nuclear decay forms new elements or isotopes by the transformation of one nuclide into another. This process can occur in various forms, such as beta decay, gamma decay, and alpha decay. For instance, in nuclear reactors, plutonium-239 is formed as a byproduct during the decay of uranium through a successive process where uranium-238 captures a neutron to become uranium-239, which then undergoes beta decay to become neptunium-239 and subsequently undergoes another beta decay to form plutonium-239.
Beta decay involves the conversion of neutrons to protons or vice versa within the nucleus, along with the emission of electrons or positrons and neutrinos or antineutrinos, driving the nuclide towards a stable configuration. Gamma decay involves the emission of high-energy photons, usually after another decay process has left the nucleus in an excited state.
A notable natural occurrence of nuclear decay happens in supernovae, where elements like nickel-56 decay into cobalt-56 and eventually to the stable isotope iron-56, emitting gamma rays that contribute energy to the expanding supernova remnant.
how does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3?
a. increased by a factor of 3
b. it is decreased by a factor of 9
c. it is reduced by a factor of 3
d. it is increased by a factor of 9
The electric potential energy is directly proportional to product of charges, hence when the particle charge is reduced by a factor of 3, the electric potential energy will also be reduced by a factor of 3.
Answer: Option C
Explanation:
Electric potential energy is the potential energy which is conservative to the respective coulomb forces between the two particle charges which are at a specified separation from each other.
Electric potential energy = [tex]\frac{k (q1 q2)}{r}[/tex]
Where the k is the electrostatic constant,
q1 is the first charge.
q2 is the second charge.
r is the distance between q1 and q2.
What is the numerical value, in meters per second squared, of the acceleration of an object experiencing true free fall?
Answer:
9.8 m/s/s
Explanation:
The numerical value, in meters per second squared, of the acceleration of an object experiencing true free fall is 9.8 m/s/s. This is called the acceleration due to gravity.
Answer: 9.8
The velocity of a free-falling object can be discovered by using a simple mathematical formula: v = (9.8 m/s2) * time
Explanation:
Which equation below would you use to determine the number of neutrons in a given nucleus when you are given the atomic number (Z) and atomic mass (A)?
N = A + Z
N = A/Z
N = AZ
N = A – Z
Answer:
A-Z
Explanation:
A proton has an estimated weight of 1.
Answer:
N = A - Z
Explanation:
Atomic number is the number of protons in a nucleus
Atomic mass is the number of protons and neutrons
N will be give when you subtract A from Z giving you the number of neutrons
hope this helps thx
Cars A and B have the same mass, but Car A's speed is 15 mph, whereas Car B is moving at 60 mph. The kinetic energy
of Car B is:
times that of Car A
times that of Car A
2 times that of Car A
4 times that of Car A
16 times that of Car A
Answer:
16 times that of car A
Explanation:
Moving objects have kinetic energy which is calculated using the formula:
E=(1/2)mv² where m is the mass of the object and v is its velocity.
For car A, kinetic energy =1/2×m×15²
=112.5m........................................i
For car B, the kinetic energy =1/2×m×60²
=1800m......................................ii
dividing ii by i we get
1800m/112.5m= 16.07
Therefore The kinetic energy of car B is 16.07 times that of car A
a rabbit moves moves a distance 8cm from P to Q and then moves a distance of 6cm at right angles to PQ ? what is the magnitude of its displacement
Answer:
10cm
Explanation:
While moving distance P to Q the rabbit made a horizontal displacement along the x-axis.Then it moved at right-angle to PQ, which means it made a vertical displacement along the y-axis.The movement thus from P to Q to the end point lets say point E after the vertical movement can be sketched as a right-triangle if you join the endpoint , E to the start point P.
Apply the Pythagorean relationship where the horizontal movement will represent the longer side a, the vertical movement to represent the shorter side b, where as the displacement will be represented by the hypotenuse side c
Hence if; a=8cm, b=6cm, c=?
Apply⇒ a²+b²=c²
8²+6²=c²
64+36=c²
100=c²
√100=c
10cm=c
Magnitude of displacement is 10 cm
Using the Pythagorean theorem, the magnitude of the rabbit's total displacement, which involves two perpendicular displacements of 8 cm and 6 cm, is calculated to be 10 cm.
Explanation:The rabbit's movement involves two right-angle (perpendicular) displacements: from P to Q which is 8 cm, and then a further displacement of 6 cm. To find the total displacement, we can apply the Pythagorean theorem because these displacements are at right angles to each other. This theorem states that in a right-angled triangle, the square of the hypotenuse (the longest side) is equal to the sum of the squares of the other two sides.
So, our calculation will be √(8² + 6²) cm = √(64 + 36) cm = √100 cm = 10 cm. Therefore, the magnitude of the total displacement of the rabbit is 10 cm.
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HCI is___
An acid
A base
A salt
Answer:
Explanation:
As far as I know, when H is the metal, the compound is an acid.
A base has OH as its non metal as in KOH.
A salt has neither.
Why are graphs useful when interpreting data
Answer:
They make trends in the data easier to see.
Downhill skiers race over a course that's 3,500 m long in 2 minutes, 10
seconds. What is their approximate average speed for this course?
O A. 19.2 m/s
O B. 1.67 m/s
O C. 1,667 m/s
O D. 26.9 m/s
SUBMIT
Answer:
=26.92 m/s
Explanation:
Speed is calculated as a ratio of the total distance covered ( It is directionless) to the total time taken to cover the distance.
Average speed= total distance/total time
=x/t
Total distance from the question= 3500m
Total time taken to cover the above distance = 2×60 +10=130 Seconds
Therefore, average speed= 3500m/130 s
=26.92 m/s
Which term best describes the important pieces of information that scientists gather and record during an experiment?
O conclusions
Odata
O research
supplies
Answer:
It will for sure be data, that is the name for information gathered from any experiment
Answer:
data
Explanation:
Data is the set of observations that a scientist gathers during an experiment. When the data is analyzed and used to prove a hypothesis it becomes information.
The conclusion is the inference drawn from the data after analysis.
Data is used to describe observations in both qualitative or quantitative research.
Research is the overall study of an experiment.
what happens in a global convection cell
Answer:
Earth's convection cells and how winds curve due to the Coriolis effect. currents of air or water due to Earth's rotation. Convection also occurs on a global scale. Warm, less-dense air at the equator tends to rise and flow toward the poles.
Explanation:
Answer:
The wind pattern that occurs in the atmosphere of the earth over a large scale refers to the convection cells. The water in the equatorial region receives a maximum amount of sunlight, as a result of which it becomes warm and less dense. This lighter is then rises up forming a low-pressure one and starts moving towards the poles in both the hemispheres. These lighter air mass then cools down as it reaches the poles and eventually gets denser and sinks down. This dense cold water further flows back to the equator moving at the seafloor.
During its motion from the equator to the poles, the air gets deflected due to a force that generates because of the earth's rotation. This force is known as the Coriolis force. This causes the wind to flow in a clockwise manner in the northern hemisphere, and anticlockwise in the southern hemisphere.
Due to this motion of wind and the effect of Coriolis force, the low-pressure zones are formed at the equator and the Arctic and Antarctic circles, whereas the high-pressure zones are formed at the near-tropical region and the poles.
Why are New Hampshire students required to learn about earths systems
Answer:
Explanation:
Why are students in Hawaii required to learn the history of debate surrounding the writing of the first 10 amendments to the constitution? They were not a member of the United States at the time?
The reason they have to learn anything they can about the constitution is because they are governed by it (just as you are).
The reason you have to learn about the Earth's Systems is because currently there is a huge debate about global warming. The problem is that we are not sure what the solution might be and we've already spent billions on reducing our effect on the environment. Billions means your tax dollars (many) or that of your parents. Many scientists are not sure we should be doing anything.
You will enter the work force one day and if you get a good job, you will be taxed. You should never be unaware of what your tax dollars are spent on.
IUPIL U5L
Aluve
TIME REMAINING
01:53:45
EI
and
both agreed that childhood experiences play an important role in the development of oneself
A Sigmund Freud Alfred Adler
B. Carl Jung ... Alfred Adler
C.Carl Jung Erik Erikson
D. Sigmund Freud.. Carl Jung
Please select the best answer from the choices provided
Save and Exit
Next
Submit
Mark this and return
Answer:
The actual correct answer is Sigmund Freud and Alfred Adler
Explanation:
Sigmund Freud and Alfred Adler both agreed that childhood experiences play an important role in the development of oneself.
How is Adler's theory different from Freud's?At the same time as Freud centered on best the inner processes particularly sexual conflicts that have an effect on someone's psychology, Adler changed into adamant that to fully understand someone, a psychologist ought to also remember other inner elements as well as external factors.
Are Sigmund Freud and Alfred Adler related?Adler and Freud belong from Austria. Both went to the equal university i.e. the college of Vienna. Adler became a colleague of Freud, and he also helped in the improvement of psychoanalysis.
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1. What is the system of knowledge and the methods used to find that knowledge?
a. science
b. technology
c. measurement
d. curiosity
2. How are science and technology related?
a. technology is a branch of science
b. science is a branch of technology
c. advances in a science may lead to advances in technology and vice versa
3. Why are scientific models important?
a. they prove scientific theories
b. they help visualize things that are very complex, very large, or very small
c. they never change
4. The variable that is purposely changed and that you wish to test is called?
a. independent
b. dependent
c. controlled
5. An explanation that tries to make sense of your observations based on personal experience and prior knowledge is called?
6. Name two possible ways that scientists use to communicate the results of an investigation?
7. How do scientist who speak different languages make their data understandable to one another?
a. they all use different systems of measurement
b. they all use SI system
c. they communicate through a universal translator
8. What is the definition of the term peer review?
9. Why are peer reviews important? Give one reason
10. Which of following is NOT a branch of natural science?
a. life science
b. earth science
c. physical science
d. social science
11. Name one of the main ideas of physical science?
12. List any 3 main steps of the scientific methods
13. What happens when the data in an investigation does not support the original hypothesis?
a. the scientist gives up and starts an investigation on a new topic
b. the data must be incorrect and is then thrown out
c. the hypothesis is revised
d. the data is altered so that they support the original hypothesis
14. What is a statement that summarizes a pattern found in nature?
a. a scientific law
b. a fact
c. a scientific theory
d. a hypothesis
15. What is the SI units of Thermodynamic temperature?
Answer:
1. science
2. advances in a science may lead to advances in technology and vice versa
3. they help visualize things that are very complex, very large, or very small
4. independent
5. inference
6. by publishing articles in scientific journals
by giving talks at scientific conferences
7. they all use SI system
8. a process in which scientists examine other scientists work
9. scientist receive questions and criticism from their peers
10. social science
11. forces cause changes in motion
12. drawing conclusions
analyzing data
revising a hypothesis
13. the hypothesis is revised
14. a scientific law
15. Kelvin
Explanation:
1.
The system of knowledge and the methods used to find that knowledge is referred to as science
2.
Science and Technology are related in that advances in a science may lead to advances in technology and vice versa
3.
Scientific models are important because they help visualize things that are very complex, very large, or very small
4.
The variable that is purposely changed and that you wish to test is called the independent variable.
5. An explanation that tries to make sense of your observations based on personal experience and prior knowledge is called inference
6. There are a number of possible ways that scientists can use to communicate the results of an investigation;
by publishing articles in scientific journals
by giving talks at scientific conferences
7. Scientists who speak different languages make their data understandable to one another through the use of the SI system .
8. The term peer review refers to a process in which scientists examine other scientists work for the purpose of questioning or criticism.
9. One reason that makes peer reviews important is;
Scientist are able to receive questions and criticism from their peers on a particular work of research.
10. The branches of natural science include;
life science
earth science
physical science
11. One of the main ideas of physical science is that forces cause changes in motion
12. The main steps of the scientific methods include;
drawing conclusions
analyzing data
revising a hypothesis
13. What happens when the data in an investigation does not support the original hypothesis;
the hypothesis is revised
14. What is a statement that summarizes a pattern found in nature?
a scientific law
15. What is the SI units of Thermodynamic temperature?
Kelvin
happiness is to senipah as 517768399 is to what?
Answer:
9386715
Explanation:
The order is reversed and duplicates are removed.
Reversed: 993867715
Duplicates removed: 9386715
Happiness is to 517768399 as senipah is to 9386715. Correct option is C.
To find the relationship between "Happiness" and "517768399" and then apply the same relationship to "senipah," we need to analyze the pattern.
If we rearrange the digits of "Happiness" (8 digits), we get "517768399."
Now, let's rearrange the letters of "senipah" to get "happiness."
So, the correct answer is:
C) 9386715
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Complete question is:
Happiness is to 517768399 as senipah is to
A) 9836715 B) 9386615
C) 9386715 D) 9386517
When __ and magnetic fields both exist, it is called an electromagnetic field.
Hello There!
When "ELECTRIC" and magnetic fields both exist, it is called an electromagnetic field.
An electric field is a field extending outwards in all directions from a charged particle.
Answer:
Electric
Explanation:
electromagnetic fields are created when charged particles are accelerated
How would a small bar magnet be oriented when placed at position x?
A small bar magnet placed at any position will align itself according to nearby magnetic fields. In the magnetic field of a larger magnet, its North pole will point towards the South pole of the larger magnet and vice versa. In the Earth's magnetic field, the magnet's North pole will point towards the Earth's geographical North.
Explanation:To determine how a small bar magnet would be oriented when placed at position x, we must consider the nature of magnetic fields. Every magnet has two poles: a north-seeking pole (N) and a south-seeking pole (S). The orientation of the magnet is dictated by these poles in response to magnetic fields nearby.
Let's say we have a larger stationary magnet with clearly defined North and South poles. If we place the small bar magnet at position x, it will align itself such that its North pole points towards the South pole of the stationary magnet and its South pole points towards the North pole of the stationary magnet. This is because unlike poles attract each other while like poles repel each other.
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A small bar magnet placed at position x will align head-to-tail with Earth's magnetic field, and if near another magnet, it will interact in a way where like poles repel. The bar magnet's orientation will depend on both the Earth's magnetic field and other nearby magnetic fields or magnets.
When a small bar magnet is placed at position x, it will align itself head-to-tail with the natural magnetic field lines of the Earth. This alignment can be affected by the ambient field of the Earth and nearby magnetic materials, but typically, a magnet will settle into an orientation where its north-seeking pole points toward the Earth's magnetic north and the south-seeking pole points toward the Earth's magnetic south.
In the case of two bar magnets, like poles repel and opposite poles attract. If a bar magnet is suspended with the north pole pointing up, it will not only orient along the Earth's magnetic field lines but also interact with any nearby magnets. When placed in proximity to a second magnet with its north pole facing the first magnet's north pole, the second magnet will experience a repulsive force in the +x direction, as implied by the given scenario where one magnet's dipole moment is pointing in the +x direction, and the other's is pointing back towards the origin.
The general behavior of the small bar magnet at position x will follow these principles, and its exact orientation will depend on the specific environmental magnetic influences and interactions with other magnets in the vicinity.
6. In California, changing lanes in the middle of an intersection:
AO is legal only in an emergency
B.O Is only legal when lane lines extend into the intersection
Is illegal
D. Is legal
In California, changing lanes in the middle of an intersection D. is legal.
Although it is legal, it's not necessarily the safest thing to do in an intersection.
In California, changing lanes in the middle of an intersection C. Is illegal
Explanation:Changing lanes in driving refers to the act of moving your vehicle from one lane to another on a multi-lane road or highway. Drivers typically signal their intent to change lanes, check blind spots, and ensure it's safe to do so before making the maneuver to prevent accidents and maintain smooth traffic flow.
Changing lanes in the middle of an intersection in California is illegal. The proper and safe way to change lanes is before entering the intersection and when it is safe to do so. Changing lanes within the intersection can disrupt the flow of traffic and potentially cause accidents.
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Elements in Group VIIIA (also known as Group 18, or the noble gases) have
similar properties because they all have
A. the same number of electron shells
B. full octets
C. the same number of valence electrons
D. the same number of electrons needed to fill their octet
Elements in Group VIIIA (noble gases) have similar properties because they all have full octets in their outer energy shells, making them extremely unreactive due to having complete valence electron configurations.
Elements in Group VIIIA, also known as Group 18 or the noble gases, have similar properties because they all have full octets, which means their outer energy shells are complete. This results in them being very unreactive. The similarity in chemical properties among elements of the same group occurs because they have the same number of valence electrons, which determines how they react.
What type of circuit is illustrated?
A.a closed series circuit
B.an open series circuit
C.an open parallel circuit
D.a closed parallel circuit
An open series circuit is an electrical circuit in which the electric current does not circulate because the switch is open interrupting the flow of current. There must be a closed path for the current to flow through the circuit.
It requires 2.500 joules to raise a certain amount of water
(C = 4.186 Jlg°C) from 20.0°C to 60.0°C.
OOOO
What is the mass of the water that is being heated?
O 159
O 409
O 639
O 809
O 809.
The heat absorbed from the heating of water can be calculated by the product of the mass of the sample, specific heat, and the difference in temperature. From the given data, we can simply calculate the mass of the sample as follows:
H = mC(T2-T1)
2500 = m(4.186)(60-20)
m = 14.93 g.
What is an example of energy conversion?
Energy can be converted from one form to another. Examples: Gasoline (chemical) is put into our cars, and with the help of electrical energy from a battery, provides mechanical (kinetic) energy. Purchased electricity is fed into our TVs and is converted to light and sound.
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The mass of water that is heated under these conditions is calculated to be around 0.149 g using the formula m=Q/(c*ΔT). Therefore, the answer isn't among the given choices.
Explanation:The question is regarding the calculation of mass using energy, specific heat capacity, and change in temperature. This is a direct application of the formula Q=mcΔT, where Q is heat energy, m is mass, c is specific heat capacity, and ΔT is change in temperature. Given that Q = 2.500 joules, c = 4.186 J/g°C, and ΔT = 60.0°C - 20.0°C = 40.0°C, we can rearrange the formula and solve for 'm': m=Q/(c*ΔT). Substituting the given values, we obtain m = 2.500 joules / (4.186 J/g°C * 40.0°C) = 0.149 g; the answer isn't among the provided choices, and a recheck of your problem statement or calculations may be needed.
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An alarm clock has a current of 4.5 amps and a resistance of 3.2 ohms. What is the voltage in the circuit?
A.1.4 volts
B.0.71 volts
C.14 volts
D.46 volts
Answer: C. 14 volts
Explanation:
According to Ohm's law, the voltage [tex]V[/tex] is:
[tex]V=R.I[/tex] (1)
Where:
[tex]R=3.2\Omega[/tex] is the resistance of the clock
[tex]I=4.5A[/tex] is the electric current that flows throgh the clock
Substituting these values in (1):
[tex]V=(3.2\Omega)(4.5A)[/tex] (2)
[tex]V=14.4V\approx14V[/tex]
Answer:
See image
Explanation:
Plato
Hello
I will mark you as a brainliest
Please reply to my question
Difference between land breeze and sea breeze in easy words
Remember, I will mark you as a brainliest
Answer:
The wind will blow from the higher pressure over the water to lower pressure over the land causing the sea breeze. The sea breeze strength will vary depending on the temperature difference between the land and the ocean. At night, the roles reverse. The air over the ocean is now warmer than the air over the land.
Sea breezes occur during hot, summer days because of the unequal heating rates of land and water. During the day, the land surface heats up faster than the water surface. Therefore, the air above the land is warmer than the air above the ocean. Now, recall that warmer air is lighter than cooler air.
A beach ball with a volume of 5,000 cm3 is pushed underwater. What is the magnitude of the buoyant force pushing upwards? The density of water is 1 gram/cm3. 49N 25N 40N 39N
The answer is:
The buoyant force is equal to 49N.
Why?The buoyant force is the force that pushes upwards and object when it's submerged in water, this force is always trying to move the object to the surface of the liquid or water. We must consider that the volume of water or liquid displaced is equal to the volume of the submerged object.
We can calculate the buoyant force using the following formula:
[tex]F_{B}=Density*VolumeDisplaced*GravityAcceleration[/tex]
Where,
Density is the density of the water or liquid.
Volume displaced is equal to the volume of the submerged object.
Gravity acceleration is the acceleration due to gravity.
So, from the statement we know that:
[tex]VolumeDisplaced=BeachBallVolume=5000cm^{3}\\\\Density=1\frac{gram}{cm^{3} }=\frac{0.001kg}{cm^{3} }\\\\g=9.8\frac{m}{s^{2} }[/tex]
Now, substituting and calculating we have:
[tex]F_{B}=Density*VolumeDisplaced*GravityAcceleration[/tex]
[tex]F_{B}=0.001\frac{kg}{cm^{3}*} *5000cm^{3}*9.8\frac{m}{s^{2} }[/tex]
[tex]F_{B}=0.001\frac{kg}{cm^{3}*} *5000cm^{3}*9.8\frac{m}{s^{2} }[/tex]
[tex]F_{B}=49\frac{Kg.m}{s^{2}}=49N[/tex]
Hence, we have that the correct answer is:
The buoyant force is equal to 49N.
Have a nice day!
Which factors affect the electrical force between two objects?
mass and distance between them
charge and distance between them
mass and electric field strength
charge and mass
Answer: Charge and distance between them
Explanation: edge 21
Charge and distance between them affect the electrical force between two objects.
What is an electrical force?An electrical force is a force that acts between objects that have an electric charge. This force is a result of the interaction between the charges of the objects, and it can either be attractive or repulsive depending on the charges of the objects.
The electrical force between two objects is determined by their charges and the distance between them. The strength of the electrical force is proportional to the magnitude of the charges and inversely proportional to the square of the distance between the objects. This relationship is described by Coulomb's law, which states that the force between two point charges is proportional to the product of the charges and inversely proportional to the square of the distance between the charges.
The masses of the objects do not directly affect the electrical force between them. However, the masses of the objects can affect the direction of the electrical force if they are moving, as the force will cause a change in the motion of the objects. The electric field strength is a measure of the strength of the electric force per unit charge and is proportional to the charge density of an object. The electric field strength is not directly related to the mass of an object, but it can be affected by the presence of other charges in the vicinity.
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The horizontal on the periodic table of elements are called periods
Answer:
The answer is true. The horizontal line on the Periodic Table is called periods.
Answer:
Rows
Explanation:
The horizontal _rows_ on the periodic table of elements are called periods.
An 12 N force is applied to a 1 kg object. What is the magnitude of the objects acceleration?
Answer:
a=12 m/s²
Explanation:
Newton's second law of motion states that the acceleration of a body is directly proportional to the force applied and takes place in the direction of force.
This can be summarized as: F=ma, where m is the mass of the object on which force F acts. a is the acceleration due to the force applied.
12N= 1kg×a
a=12N/1kg
a=12m/s²
NaCI is__
an acid
a base
a salt
Answer:
Explanation:
An acid has H as its metal as in H2SO4
A base has OH as its nonmetal as in Mg(OH)2
A salt is made of neither. That's what NaCl is -- a salt.
A series circuit has a battery and resistor and a light bulb with a power of 3.0 W if the current in the circuit is 0.90 A over a period of 20 seconds what is the voltage across a lightbulb
Power = (current)² x (resistance)
Resistance = (power) / (current)²
Resistance = (3 W) / (0.9 A)²
Resistance = 3.333... ohms
That's the total resistance in the series circuit. (3 and 1/3) ohms .
Voltage = (current) x (resistance)
Voltage = (0.9 A) x (3.333... ohms)
Voltage = 30 volts
That's the total voltage ... the battery that's powering the whole series circuit.
Using only the information given in the question, there's no way to calculate how much of the 30V appears across the resistor and how much of it appears across the light bulb.