The energy conservation that occurred in the circuit when a 12 V battery is connected to a resistor, a light bulb, and a buzzer is light energy (light bulb) and to sound energy (buzzer).
What is energy conservation?The principle of energy conservation states that energy can neither be created nor destroyed but can be transferred from one form to another.
When a 12 V battery is connected to a resistor, a light bulb, and a buzzer, the energy conservation that occur in the circuit is light energy (light bulb) and to sound energy (buzzer).
Thus, the energy conservation that occurred in the circuit when a 12 V battery is connected to a resistor, a light bulb, and a buzzer is light energy (light bulb) and to sound energy (buzzer).
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When an objective lens is 20x and the ocular lens is 10x, the total magnification of a specimen will be:_________.
The total magnification will be 200x.
What is Magnification?It quantifies the comparison of the image's size to that of the object's size. In terms of how big or little the picture is produced, it informs us about the image. The height of the picture divided by the height of the object is known as magnification. m=hiho.
Objective lens - An essential component of the microscope's optics is the objective lens. The sample, specimen, or item being examined is situated close to the microscope's objective. It plays a crucial part in imaging since it creates the initial magnified picture of the sample.
Ocular lens - The component of the microscope known as the eyepiece, or ocular lens, is responsible for enlarging the picture created by the objective so that it can be viewed by the human eye.
20x objective lens was used by specimen
10x ocular lens was also used by him.
we have to find the total magnification.
For calculating the total magnification we 'll simply do multiplication
Total Magnification = 20 × 10x
Total Magnification = 200x
So , the total magnification will be 200x .
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Read the scenario below and answer the question that follows. susan was in her algebra class preparing to take a test. her instructor, mrs. williams, tells susan, "try hard, even though math can be difficult for women to succeed in." what is the most likely effect of mrs. williams’ comment on susan’s test performance, and why? a. improved performance due to study behavior b. improved performance due to mores c. reduced performance due to stereotype threat d. reduced performance due to cultural shaping please select the best answer from the choices provided a b c d
The correct option is (c) reduced performance due to stereotype threat.
What is a culture of learning?
A culture of learning, or learning culture, is one in which employees continuously seek, share, and apply new knowledge and skills to improve individual and organizational performance.
How does culture affect learning?
Through the rewards and penalties it administers for each distinct conduct, a culture establishes context for behavior. Cultures reinforce appropriate behavior and deter inappropriate behavior via influencing behavior.Why is culture important in learning?
Students learn more deeply about the subject matter when working and learning in a classroom with people from different origins and cultures. Additionally, it teaches students how to participate in a diverse workplace using their unique skills and perspectives.Learn more about culture of learning
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Help me on the question below please
Answer:
C. tiny particles called charges flowing through the wires.
Explanation:
Hello!An electric current is a stream of charged particles, such as electrons or ions, moving through an electrical conductor or space. It is measured as the net rate of flow of electric charge through a surface or into a control volume.
Hope it helps!
Answer:
c
Explanation:
electric current is tiny particles called charges flowing through the wires
pls mark me brainliest :)
120-v rms voltage at 1000 hz is applied to an inductor, a 2. 00-μf capacitor and a 100-ω resistor. if the rms value of the current in this circuit is 0. 680 a, what is the value of the inductor?
The inductance of the inductor is 35.8 mH.
What is inductance?
Inductance, which would be defined as the proportion of voltage to current change rate, is what distinguishes an inductor from other electrical devices. The magnetic field induced on the coil causes inductance. The coil's form is one of the many elements that affect it.
Calculation:
Provided that,
voltage = 120 V
frequency = 1000Hz
capacitor (C) = 2.00μF
current = 0.680 A
We have to find out the inductance of that inductor by using the formula of the current,
I = V/Z
Z = [tex]\sqrt{R^{2} +(Lw - \frac{1}{Cw)^{2} } }[/tex]
Now putting the value of Z into this equation we get:
I = [tex]\frac{V}{\sqrt{R^{2}+(Lw - \frac{1}{Cw})^{2} } }[/tex]
0.680 = [tex]\frac{120}{\sqrt{100^{2}+(L* 2\pi *1000 - \frac{1}{2*10^{-6}*2\pi *1000 })^{2} } }[/tex]
L = 35.8 mH
Therefore it is concluded that the inductance of the inductor is 35.8 mH.
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If we want to build a telescope that detects radio waves, we must build it with a very large dish since radio waves have very large wavelengths,
a) true
b) false
Building a telescope that detects radio waves must be built with a very large dish since radio waves have very large wavelengths is regarded as a true statement and is denoted as option A.
What is Wavelength?This is defined as the distance between two successive crests or troughs of a wave.
Radio waves have the longest wavelength in the electromagnetic spectrum which is therefore the reason why a very large dish is built to detect it.
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Consider the 5-bit generator, g=10011, and suppose that d has the value 1010101110. what is the value of r? show all the steps including the checking at the receiver
Consider the 5-bit generator, g=10011, and suppose that d has the value 1010101110. Then the value of r is 0100.
We obtain 1011011100 when we divide 10011 by 1010101010 0000, with a remainder of R=0100 in 5-bit generator
A generator converts mechanical energy into electrical energy. When you are not linked to the power grid, it supplies electricity to your devices and appliances. Generators are critical safety equipment during natural disasters like hurricanes and snowstorms, as well as any power outage.
It operates on the principle of the faraday law of electromagnetic induction. According to the faradays law, whenever a conductor is placed in a fluctuating magnetic field, EMF is induced and thus induced. A standby generator can power a medium-sized home for up to 3,000 hours on average, while it is not suggested that you run a generator for more than 500 hours continually. Although both EMF and terminal potential difference (V) are measured in volts, they are not the same thing.
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explain how potential and kinetic energy are at play when we talk about Newton's second law of motion
Potential and kinetic energy are at play when we talk about Newton's second law of motion through the various positions in relation to the bodies involved.
What is Newton's second law of motion?This law states that force is equal to the rate of change of momentum and is denoted as F = mv where m is mass and v is velocity.
Potential energy is the energy is possessed by a body by virtue of its position while kinetic energy is possessed by a body by virtue of its motion. Both forms of energy are influenced by forces and are equal to the total momentum.
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Examine Figure 1. During the process of beta decay, which statement correctly compares the parent nucleus and the daughter nucleus?
A
The parent has a different mass number than the daughter.
B
The parent has a different atomic number than the daughter.
C
The parent has the same number of neutrons as the daughter.
D
The parent has the same number of electrons as the daughter.
Beta decay forms a daughter nucleus with a different atomic number than the parent nucleus. The correct answer is option B.
A nucleus loses an electron when it emits the beta particles. The parent and daughter nuclei share the same atomic mass because the mass of an electron is so much less than that of a proton or neutron. The offspring nucleus has an atomic number that is one higher than the parent nucleus.
There are mainly two types of beta decay: beta plus (positron decay) and beta minus (electron decay). The daughter atomic number reduces by one after beta plus decay (the nucleus loses one positive charge) and rises by one after beta minus decay (the nucleus loses one negative charge).
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If a total force exerted by water in a container with a bottom area of 3 square meters is 900 newtons, what's the water pressure at the bottom of the container?
Answer:
300 Pa
Explanation:
P=F/A
= 900/3
= 300 Pa
The capacity for doing work that a body possesses because of its position or configuration is known as:____.
The capacity for doing work that a body possesses because of its position or configuration is known as Potential Energy.
What is Potential energy?Potential energy in physics is the energy that an item retains as a result of its position in relation to other objects, internal tensions, electric charge, or other elements.The gravitational potential energy of an object, which is based on its mass and distance from another object's center of mass.The elastic potential energy of an extended spring, and the electric potential energy of an electric charge in an electric field are examples of common types of potential energy.The joule, denoted by the letter J, is the energy unit in the International System of Units (SI).Potential energy is connected to forces that affect a body in such a way that their combined work is only dependent on the body's beginning and ultimate positions in space.At any point in space, these forces, also known as conservative forces, can be represented by vectors that are gradients of a particular scalar function known as potential.To know more about potential energy with the given link
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A charge q = -10 µc experiences an electrostatic force of 35 mn to the left. What is the magnitude and direction of the electric field?
A charge q = -10 µc experiences an electrostatic force of 35 mn to the left.
The magnitude of electric field will be = 35 * [tex]10^{2}[/tex] N/C
Direction of the electric field will be from left to right
The force exerted by a charged body on another charged or uncharged body is called electrostatic force. This force is known as non-contact force because these forces comes into play even when the bodies are not in contact with each other.
Electric field, an electric property associated with each point in space when charge is present in any form. The magnitude and direction of the electric field are expressed by the value of E, called electric field strength or electric field intensity or simply the electric field.
given
q ( charge ) = -10 µc
Electrostatic force = 35 mN
Electric field = Force on charge / charge
= 35 * [tex]10^{-3}[/tex] / (-10 * [tex]10^{-6}[/tex])
= - 35 * [tex]10^{2}[/tex] N/C
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Help pls this aint physics.
Answer:
Human beings can see "visible" light.
Visible light is considered to be between 4000-7000 Angstroms or
400-700 millimicrons
1 Angstron = 1E-10 m
1 Millimicron = 10 Angstroms
At a speed of 0. 93 ccc, a spaceship travels to a star that is 8. 5 lyly distant. part a according to a scientist on earth, how long does the trip take?
At a speed of 0. 93 ccc, a spaceship travels to a star that is 8. 5 ly distant part and according to a scientist on earth 2.3 years the trip takes.
Spacecraft
A spacecraft is a vehicle or machine designed to fly in outer space. A type of artificial satellite, spacecraft are used for a variety of purposes, including communications, Earth observation, meteorology, navigation, space colonization, planetary exploration, and transportation of humans and cargo.
Satellites, rovers, and space stations are collectively referred to as spacecraft. In science fiction, a big, manned spacecraft that is not a satellite is commonly referred to as a spaceship.
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Calculate the energy of the red light emitted by a neon atom with a wavelength of 703. 2 nm. plank's constant (h) = 6. 62607 × 10-34 j. s
The energy of the red light emitted by a neon atom is 2.827*10^-19J
Light produces photons which might be small packets of power. as the atoms of an object are heated, it results within the manufacturing of photons. The electrons locate pleasure from the warmth and produce extra energy. This power emits inside the shape of a photon, and extra photons are released because the cloth becomes hotter.
The SI unit of wavelength is metre typically denoted as m. at the same time as measuring wavelength the multiples or fractions of a metre is also used. extensively, exponential powers of 10 are used while wavelengths are of a huge property. while there are shorter wavelengths they're expressed as negative exponential.
c=3*10^8 h=6.626*10^-34
wavelength= 703.2*10^-9m
E=2.827*10^-19J
Hence energy of the red light is 2.827*10^-19J.
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Briefly explain how einstein's special theory of relativity explains the perpendicular (right hand screw like) behavior of moving charges without recourse to invoking the concept of a magnetic field.
Einstein's special theory of relativity explains that the electric and magnetic fields are both can formulate together in mathematically.
It is given Einstein's special theory of relativity.
It is find the Einstein's special theory of relativity explains the perpendicular behavior of moving charges without recourse to invoking the concept of a magnetic field.
What is Einstein's special theory of relativity?
As we know that one charge creates a field and its that field that actually exerts a force on the other charge. Here we it gives the relationship of two fields like electric field and magnetic field and gives the formula for electromagnetic objects.
Special relativity fixes the problem by the points that the magnetic force in one frame of reference easily be an electric force in other and also some of the combination of them in a frame.
Thus, Einstein's special theory of relativity explains that the electric and magnetic fields are both can formulae together in mathematically.
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Explain the relation between Joule and Erg.
Answer:
Both erg and Joule are units of Energy in the CGS and S.I system respectively.
Joule and erg can also be written as (kg m2/s2) and (g cm2/s2) respectively.
Explanation:
1 Joule = 107 erg ⇒ 107 kg m2/s2.
==> One erg of energy is the amount of work done when one dyne of force acts through a distance of one centimeter.
==> One Joule of energy is the amount of work done when one Newton of force (100,000 dynes) acts through a distance of one meter (100 centimeters).
==> That makes one Joule the same amount of energy as 10 million (10⁷) dynes.
A car travelling at 3.50 m/s [w] speeds up to 14.8 m/s [w] in 3.17 s. determine the acceleration of the car.
The acceleration of the car is 3.56 m/s².
What is acceleration?Rate of change of velocity with time, both in terms of speed and direction. A point or object going straight ahead is accelerated when it accelerates or decelerates.
Some characteristics of acceleration are-
Acceleration is a vector quantity since it has a both magnitude and a direction. A vector quantity is also velocity. The velocity vector change during a time interval divided by that of the time interval is the definition of acceleration. The limit of both the ratio of the change in speed throughout a given interval of time approaches zero determines the instantaneous acceleration (at the specific time and location) ( Instantaneous rates of change). For instance, acceleration will be stated as metres per second if velocity is represented in meters per second.The formula for acceleration is;
[tex]\bar{a}=\frac{v-v_{0}}{t}=\frac{\Delta v}{\Delta t}[/tex]
[tex]\begin{aligned}&\bar{a}=\text { average acceleration } \\&v=\text { final velocity } \\&v_{0}=\text { starting velocity } \\&t=\text { elapsed time }\end{aligned}[/tex]
The starting velocity is 3.50 m/s
The final velocity is 14.8 m/s.
The elapsed time is 3.17 s.
Substitute all the values in the formula of acceleration;
[tex]\bar{a}=\frac{14.8-3.50}{3.17}\\\bar{a}=3.56[/tex]
Therefore, the acceleration of the car is 3.56 m/s².
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Will a beam of light that is, at first, in air and oriented perpendicular to the surface of a body of water be deflected as a result of the transition into water?.
It does not deflect, the light's direction will not change
When a light ray is incident from a medium such as air onto a more dense medium such as glass or water, the refracted ray always lies closer to the perpendicular than does the incident ray.
What happen when light ray passes from one medium to another ?Refraction occurs when light travels from one medium to another which changes the speed at which the light travels. This causes light to bend upon incidence with the interface of a new material.
The frequency of the light ray remains same when it travels from one medium to another because it depends on the source of light. But the wavelength and speed vary because they depend on the medium through which the light passes.Learn more about Light ray here:
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Part a a calorimeter consists of an aluminum cup inside of an insulated container. The cup is weighed on a top-loading balance and is found to have a mass of 31. 91 g. A reaction is conducted in the calorimeter, raising the temperature from 21. 2 c to 26. 1 c what is the change in heat q for the aluminum cup in units of j? aluminum has a specific heat of 0. 903 j 1 ? 1 write your answer to the correct number of significant figures.
Answer:
141 J
Explanation:
The lowest sig digits in a calculation determine the sig dig of the answer
The temps are listed with 3 significant digits and the spec heat is 3 sig digits (the mass has 4 sig digs) .....so answer will need 3 digits
31.91 g * .903 J/g-C * (26.1 - 21.2 C) = 141 J (three sig dig)
What are the factor affecting the moment of force
Answer:
distance and the amount of the force
Explanation:
moment = f x d
Find the equivalent resistance of this
circuit.
R₁
www
960 92
I
R₂
www
640 Ω
Reg?
Ra
W
180
Explanation:
1/R = 1/R1 + 1/ R2
1/R = 1/960 + 1/640
1/R = 5 / 1920
R = 384 ohmSo , Req = 384 + R3
Req = 384 + 180
Req = 564 ohm[tex]\huge\red{A}\pink{N}\orange{S}{W}\blue{E}\green{R} [/tex]
Req = 564 ohmWhy does the Big Bang theory predict that the cosmic background radiation should have a perfect thermal radiation spectrum
Answer:
The background radiation came from the heat of the universe, with a peak corresponding to the temperature of the universe.
Roughly to what height would a 5 kg stone need to be raised in order to have the same stored energy as the energy stored in the defibrillator capacitor?
8.16m is the required height, a 5kg stone need to be raised.
One sort of potential energy is gravitational potential energy, which is equal to the product of the object's mass (m), the gravitational acceleration (g), and the object's height (h) as measured in relation to the ground's surface (the body).
We obtain the formula by considering the work done in raising a mass m through a height h.
Work in elevating mass m through height h is equal to force times distance.
The force must be greater than the mass m's weight, hence F = mg.
Work done = mgh = gravitational potential energy
Energy = Mass of the object × gravitational acceleration × height.
Mass of the stone = 5kg
Equating ;
∴ 400 J = 5 kg × 9.8 m/s² × height
Height = 8.16 m
Therefore, 8.16m is the required height.
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One or more objects may be created from a(n) ________.
a. field
b. instance
c. method
d. class
The answer is (d) class
One or more objects may be created from a class.
Class objects normally have methods that perform useful operations on their data.
What is class?
A class in object-oriented programming is a template specification of the method s and variables in a certain type of object. As a result, an object is a specific instance of a class that holds real values rather than variables. The class is a key concept in object-oriented programming.You may also construct a class object and use it in another class. This is frequently used to improve class structure (one class has all of the properties and methods, while the other class contains the main() method (code to be run).To learn more about class visit:
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One or more objects may be created from a class.
Class objects contains methods which perform useful operations on their data.
A class in object-oriented programming refers to a template specification of the methods and variables in a a type of object.
An object is a specific instance of a class that holds real values rather than variables.
The class is a key concept in object-oriented programming.
We may also construct a class object and use it in another class. It is frequently used to improve the structure of class.
Hence, one or more objects may be created from a class.
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Given two different resistances, how does the rate of joule heating in them differ if they are connected to a fixed voltage source in series and in parallel?
In series combination less rate of joule hating should be observed as compared to when connected in parallel combination .
Joule heating, also known as resistive, resistance, or Ohmic heating, is the process by which the passage of an electric current through a conductor produces heat.
Joule's first law states that the power of heating generated by an electrical conductor equals the product of its resistance and the square of the current:
When two or more resistors are connected end to end consecutively, they are said to be connected in series combination. The combined resistance of any number of resistances connected in series is equal to the sum of the individual resistances.
When two or more resistances are connected between the same two points, they are said to be connected in parallel combination. The reciprocal of the combined resistance of a number of resistances connected in parallel is equal to the sum of the reciprocals of all the individual resistances.
Rate of joule heating can be calculated by the formula
Power = [tex]V^{2}[/tex] / R
V = voltage
R = resistance
When both are connected in series than their equivalent resistance will be more as compared to when they are connected in parallel.
Power is inversely related to resistance , if voltage is constant
In series combination less rate of joule hating should be observed as compared to when connected in parallel
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A 4. 0 g sample of ra-226 decays to 1. 0 g. if the half-life of ra-226 is 1620 years, how much time has elapsed?
The time elapsed is 3229.2 days.
First-order reactions include those in radioactive decay. The reduction in radioactive nuclei per unit of time is the rate of decay, or activity, of a sample of a radioactive substance.
The Radioactive Formula is given by
[tex]N =[/tex] N₀ [tex](\frac{1}{2} )^\frac{t}{T}[/tex]
Where N₀ = The initial quantity of the substance.
N = The quantity remained.
T = the half-life of the decaying quantity.
t = time elapsed
The initial quantity of the substance = 4.0 g
The quantity remained = 1.0 g
The half-life of the decaying quantity = 1620 years
Using formula;
[tex]1.0 = 4.0 (\frac{1}{2} )^\frac{t}{1620} \\[/tex]
[tex]log \frac{1.0}{4.0} = \frac{1}{1620} log \frac{1}{2}\\[/tex]
[tex]log 0.25 = \frac{t}{1620} log 0.5\\[/tex]
[tex]-0.60 = \frac{t}{1620} (-0.301)\\[/tex]
[tex]t = \frac{972}{0.301} \\[/tex]
[tex]t= 3229.2 sec[/tex]
Therefore, the time elapsed is 3229.2 days
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A transverse travelling sinusoidal wave on a string has a frequency of 100hz a wavelength of 0.040m and an amplitude of 2mm the max velocity of any point on the string is
Vmax = 1.258 m/s
Maximum velocity of any point on the string is 1.258 m/s.
Maximum velocity is given by,
Vmax = Aω
where,
V = velocity
A = amplitude
ω = angular displacement
ω is given by,
ω = 2[tex]\pi[/tex]f
where f = frequency
ω = 2[tex]\pi[/tex]f
= 2*3.147*100
= 629.4 rad
A = amplitude = 2mm
Vmax = Aω
= 2 ×[tex]10^{-3}[/tex] × 629.4
= 1.258 m/s
Maximum velocity = Vmax = 1.258 m/s
Maximum velocity of any point on the string is 1.258 m/s.
What is meant by sinusoidal wave?The curve representing a smooth repeated oscillation is known as a sine wave or sinusoidal wave. The sine wave is "the wave form in which the amplitude is always proportional to sine of its displacement angle at every point in time," according to the definition. Sine waves can be added together to create any wave.What makes a wave a sinusoidal wave?The waveform shape created by our straightforward single loop generator is then frequently referred to as a sine wave since it is seen to have a sinusoidal shape. Because it is based on the trigonometric sine function used in mathematics (x(t) = Amax. sin), this sort of waveform is known as a sine wave.
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A resistor, an inductor, and a capacitor are connected in series to an ac source. under what conditions will the impedance of the circuit increase as the inductive reactance increases?
180° is the phase angle. An AC source is linked in series with a resistor, an inductor, and a capacitor. Inductive reactance rises with frequency because an alternating current has a time-averaged rate of change that is proportional to frequency.
Impedance of RLC series circuit
2= P²R² + (XL-X₁) ²
Here & 4 tan² (x₁=X₂) $ R +1 180° tan (XL R tan 180° = XL-X C R XL-XC R ..
XL-XC R X₁-X ₁ = 0 XL = Xc 2 = √√√ R² + 0² 2 2 = R
Resonance is the condition in question here. When induction occurs as well as capacitive reactances equal are equivalent but cancel due to the fact that they have degrees of phase separation. During resonance, Impedance is very low.
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What is the total rate at which electrical energy is dissipated in the 5. 0 ω resistor?.
Total rate at which electrical energy is dissipated
is 5W
Given:
Resistance = 5 ohm
To Find:
total rate at which electrical energy is dissipated
Solution:
The power dissipated in a resistor can be obtained by Ohm's law as P=VXI, where V = voltage and I = current. So, energy dissipated is given by P x t (time)
P = (I)^2R
Let's assume current given is 1
P = 1 x 5
P = 5 W
So, total rate at which electrical energy is dissipated is 5W
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Which of the following are possible units for a spring constant? O A. J/m B. N/km O.C. cm/N O D. J/N
The answer is B.
We use the spring constant in Hooke's Law, which is : F = -kx
It can be rearranged so it is equal to the constant :
k = F ÷ x
Common units of Force (F) : N, kg m/s²
Common units of displacement (x) : cm, m, km
The dimensionally correct unit from the given options is :
⇒ N/km