The total amount of water vapor in the atmosphere remains approximately the same over time.
What is the Water Cycle?The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow. Water in different phases moves through the atmosphere (transportation). Liquid water flows across land (runoff), into the ground (infiltration and percolation), and through the ground (groundwater). Groundwater moves into plants (plant uptake) and evaporates from plants into the atmosphere (transpiration). Solid ice and snow can turn directly into gas (sublimation). The opposite can also take place when water vapor becomes solid (deposition).
In conclusion, water continually evaporates, condenses, and precipitates, and on a global basis, evaporation approximately equals precipitation. Because of this equality, the total amount of water vapor in the atmosphere remains approximately the same over time.
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a point at an antinode of the standing wave on the wire travels from its maximum upward displacement to its maximum downward displacement in 8.40 msms . what is the wire'??s mass?
The relation between the time-period of the transverse wave for the third harmonic and the time between the maximum displacement and minimum displacement is [tex]=16.3 \mathrm{~g}[/tex]
[tex]$$T_3=2 t$$Substitute$8.40 \mathrm{~ms}$[/tex]
for t in the above expression.
[tex]$$T_3=2(8.4 \mathrm{~ms})\left(\frac{10^{-3} \mathrm{~s}}{1 \mathrm{~ms}}\right)$$[/tex]
The wave velocity can be given by the following expression [tex]=0.0168 \mathrm{~s}[/tex]
[tex]v=\frac{\lambda_3}{T_3}[/tex]
Here,
[tex]$$\lambda_3$$[/tex]
is the frequency of third harmonics and
[tex]$$T_3$$[/tex]
is the time-period of third harmonics.
Substitute [tex]$0.1296 \mathrm{~m}$[/tex] for
[tex]$$\lambda_3$$[/tex]
and
[tex]$0.0168 \mathrm{~s}$ for$T_3$[/tex]
[tex]\begin{aligned}& v=\frac{0.1296 \mathrm{~m}}{0.0168 \mathrm{~m}} \\& =7.714 \mathrm{~m} / \mathrm{s}\end{aligned}[/tex]
The expression of the wave velocity is given by the following expression.
[tex]v=\sqrt{\frac{T}{m / L}}[/tex]
Rearrange the above expression for
[tex]$$m$$[/tex]
[tex]\text { Substitute } 5.00 \mathrm{~N} \text { for } T, 0.1944 \mathrm{~m} \text { for } L \text {, and } 7.714 \mathrm{~m} / \mathrm{s} \text { for } v \text { in the above expression. }[/tex]
[tex]\begin{gathered}m=\frac{(5.00 \mathrm{~N})(0.1944 \mathrm{~m})}{(7.714 \mathrm{~m} / \mathrm{s})^2} \\=(0.0163345 \mathrm{~kg})\left(\frac{1000 \mathrm{~g}}{1 \mathrm{~kg}}\right) \\=16.3 \mathrm{~g}\end{gathered}[/tex]
The anti-nodes in the standing waves are at a distance half a wavelength. The time-period is twice the time from maximum displacement to minimum displacement of the anti-node.
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Kendell's mom buys him a new bowling ball that has a mass of 4 kg. He rolls the ball with an average speed of
30 m/s. What is the average kinetic energy of Kendell's ball when rolling?
Answer:
1800J
Explanation:
E = ½mv²
E = ½(4)(30)²
E = 2 x 900
E = 1800J
a baseball is thrown by a pitcher at 95 mph through standard air. the diameter of the baseball is 2.82 in. estimate the drag force on the baseball
The baseball's drag force, FD, is equal to 0.4995 Jlb. The baseball has a 2.82-inch diameter.
What does a force mean in science?In physics, the word "force" appears to have a clear definition. A force does not "be in it" or "be contained by" an object. A force from another can exert pressure on something.
What do force and motion mean?In essence, force is a push or pull that has an impact on anything or energy as a feature of physical motion or movement. It happens when two things get in touch. In addition, while a body is moving, it is considered to be in motion.
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when you looked at solar activity on the heliophysics event registry website, on which date did you find activity on the sun?
You did look at solar activity on the heliophysics event registry website, and we found activity on the sun on the specified day.
What three sorts of solar occurrences are there?Any natural occurrence in the upper atmosphere of the sun is referred to as a solar phenomenon. Solar flares, prominences and filaments, and coronal mass ejections are three different categories of solar phenomena.
How can I follow the cycle of solar activity the best?The simplest way we can investigate how solar activity changes over time is to survey sunspots, which is also how we track the solar cycle. Sunspots are associated with the Sun's natural 11-year cycle, during which the planet's surface changes from calm to turbulent.
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a 40cm diameter wheel accelerates uniformly from 240 rpm to 360 rpm in 6.5 seconds. how far will a point on the edge of the wheel have traveled in this time
Answer:
S = V1 t + 1/2 a t^2 distance traveled for linear acceleration
θ = ω1 t + 1/2 α t^2 equivalent angle for rotational acceleration
ω1 = 240 / min * 2 π * 240 / (60 s/min) = 8 π / s
ω2 = 360 rpm = 12 π / s
α = 4 π/ 6.5 s^2 = .62 π / s^2 angular acceleration
θ = 8 π / s 6.5 s + .62 π / 2 * 6.5^2
θ = 52 π + 13 π = 65 π = 65 * π / (2 π / rev) = 32.5 rev
1 rev = 2 * π * R = 2 * π * .4 m = 2.51 m / rev
S = 32.5 rev * 2.5 m/rev = 81 m
.An object has a mass of 10 kg and an acceleration of 20 m/s2. What is the force on the object?
The force acting on the object is 200 Newton.
What is force?The definition of force in physics is: The push or pull on a massed object changes its velocity. An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude.
Given that mass of the object: m = 10 kg.
acceleration of the object = 20 m/s^2.
Hence, according to Newton's 2nd law of motion:
Force = mass × acceleration
= 10 × 20 Newton
= 200 Newton.
Hence, the force on the object is 200 Newton.
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Forensic scientists immerse glass evidence into a medium to determine its refractive index. Which medium is usually used for determining the refractive
index?
A. water
B. air
C. oil
D. gel
The refractive index is typically determined in a vacuum medium.
In what kind of medium is the refractive index normally calculated?A refractometer is the tool used to measure refractive index (RI). A refractometer is frequently used to determine the refractive index of liquid samples. It does this by measuring how much light is bent when it enters the sample from the air.
How do forensic scientists use refractive index?In forensic laboratories, measuring refractive index is a common way to look into glass microtraces. The technique's cost-effectiveness and reproducibility are advantages, but it also works well for analyzing minute fragments.
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A ball rolled toward Manny while he was playing soccer. If Manny’s foot kicks the ball as shown in the picture, which will most likely happen to the ball?
answer choices
- The ball will stop rolling.
- The ball will roll toward the east.
- The ball will continue rolling west.
- The ball will go straight up in the air.
Answer:
no photo
Explanation:
sorry i cannot see a photo can you send it to me?
a vertical spring scale can measure weights up to 210 n . the scale extends by an amount of 13.5 cm from its equilibrium position at 0 n to the 210 n mark. a fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.15 hz . part a ignoring the mass of the spring, what is the mass m of the fish?
sheesh sheesh
Explanation:
it would take approximately years to receive light from a civilization on the opposite side of the galaxy. a. 100000 years. b. 10 yrs. c. 100 yrs. d. 1/4 of a year.
It would take approximately 100,000 years to receive light from a civilization on the opposite side of the galaxy. The correct answer is, therefore (a) "100,000 years".
This is because the distance between the Earth and the opposite side of the galaxy is approximately 100,000 light-years. Light travels at a speed of approximately 300,000,000 meters per second, so it would take approximately 100,000 years for light to travel from the opposite side of the galaxy to the Earth.
A light-year is a unit of distance that is equal to the distance that light travels in one year. Light travels at a very high speed, approximately 300,000,000 meters per second, so it is able to cover a large distance in a relatively short amount of time.
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Which two waves
combine to form a surface wave?
•
two transverse waves
•
two longitudinal waves
O a transverse wave
a and a longitudinal wave
a transverse wave and a light wave
A surface wave is a combination of a transverse wave and a longitudinal wave
What is a surface wave?A surface wave is a mechanical wave that propagates along the interface between differing media. A surface wave is made up of transverse and longitudinal wave
A transverse wave is a wave in which particles of the medium move up and down perpendicular to the direction of the wave. A longitudinal wave is a wave in which particles of the medium move parallel to the direction of the wave.
Surface waves usually have larger amplitudes and longer wavelengths than body waves, and they travel more slowly than body waves do.
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a dog lifts a 0.75 kg bone straight up through a distance of 0.11 m. How much work was done by the dog ?
The work done by the dog is 0.81J.
What is work done?Work done is a measure of energy expended in moving an object; most commonly calculated by multiplying the force by the distance.
It is said that no work is done if the object does not move.
The work done on an object is the amount of energy transferred to an object through work.
According to this question, a dog lifts a 0.75 kg bone straight up through a distance of 0.11 m. The force applied to break the bone must be calculated first as follows:
Force = mass × acceleration
Force = 0.75kg × 9.8m/s²
Force = 7.35N
Work done = 7.35N × 0.11m = 0.81J
Therefore, 0.81J is the work done by the dog.
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after i stops my lexus engine, the warning sign appears when open door, but off when close the door, why?
Your door-ajar light may turn on for a variety of reasons depending on the type of vehicle you drive: a dome light short in terms of electricity. The anti-theft system experienced an electrical short. a door switch that was stuck to the "open" setting.
The effects that an electrical short has.Appliance damage, electrical shock, or even a fire may result from a short circuit. And if you don't take any steps to prevent short circuits, the likelihood that these events will occur will only rise.
An electrical short, also known as a short circuit, is a low-resistance connection between two conductors, which are components allowing electricity to flow through them. A short happens when a current takes an unintended detour instead of taking the intended path.
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a positive charge is moving to the right and experiences an upward magnetic force. in which direction must the magnetic field have a component?
The rightward motion of a positive charge is accompanied by an upward magnetic pull. There must be a component of the magnetic field that enters the page.
How does magnetic force work?The total force operating on an electric charge can be expressed as the sum of the electric force and the magnetic force acting on the object if a point charge q is placed in the presence of both a magnetic field of magnitude B (r) and an electric field of magnitude E (r).
How does a magnetic field respond to an electric current?Electric Field A magnetic field forms around a wire when an electric current flows through it. The magnetic field also creates a ring of concentric circles around the wire.
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the newly joined elephant member blames the lack of success of the band on the numbers of bits used in sampling the data. a recent publication about bulls and cows and their origin on nearby planets suggests that elephants of one gender are extremely sensitive to small changes in sound amplitude - as opposed to elephants of the opposite gender. if, as the publication claims, those elephants are capable of noticing a 1:297,921 change in sound amplitude then how many bits should be used in the recording per data sample to reproduce this effect?
Elephants communicate over vast distances using infrasound and seismic waves in addition to touch, sight, smell, and sound. Elephants have been compared to primates and cetaceans in terms of intelligence.
Elephants can expand their nostrils by over 30%, expanding the nasal volume by 64%, and inhaling at a rate of more than 150 m/s (490 ft/s), which is around 30 times faster than a human sneeze. Males When they reach adolescence, elephants leave their family groups and may live alone or with other guys. When searching for a mate, adult bulls typically interact with family units. They experience musty, a state of elevated testosterone and hostility that aids in both dominance over other males and successful reproduction. Calves depend on their moms for up to three years and are the center of attention in their family groupings. Elephants in the wild have a lifespan of up to 70 years.As a result of the sound continuing to reflect off the numerous surfaces in a reflecting environment, the sound in that space continues to exist even after the sound production has stopped. The amount of time (measured in seconds) it takes for the volume of a reverberant or reflected sound to diminish by a particular amount is known as the reverberation time.
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Find the y-component of this
vector:
42.2°
101 m
Remember, angles are measured from
the +x axis.
Y-component (m)
The y-component of the given vector is 67.84 m.
What is a vector quantity?The quantities that exhibit both magnitude and direction can be defined as vector quantities. For example, a boy is riding a cycle with a velocity of 30 km/hr in a southeast direction. Then to define the velocity, we require two things which are the magnitude of the velocity and the direction. Therefore, it expresses a vector quantity.
The components of the vector can be represented as:
x = r cosθ
y = r sinθ
Given the value of r, = 101 m
The angle, θ = 42.2°
The y-component of this vector can be calculated as:
y = 101 ×sin 42.2°
y = 67.84 m
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Does the addition od 5N forces always give a 10 N force?
if we have a system that uses 5 volts with a frequency of 1ghz and the power used is 3 watts, what is the power draw when we increase the frequency to 3ghz?
Processor-A uses 20 W of power components and 80 W cpu dynamic power 3 GHz.
Static power: What does that mean?When there is no design activity occurring, static power—also known as "leakage"—is used up. It closely relates to the transistor's idle current, which is based on the transistor's characteristics.
Power is it static or is it dynamic?While leakage, or the current that passes through a transistor while there is no activity, makes up static power, switching or short-circuit power are components of dynamic power. Any of the following things may influence each power component's value: Activity. Frequency.
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Which of the following statements is correct?
A) The internal energy of a system increases when more work is done by the system than heat was flowing into the system.
B) The internal energy of a system decreases when work is done on the system and heat is flowing into the system.
C) The system does work on the surroundings when an ideal gas expands against a constant external pressure.
D) All statements are true.
E) All statements are false.
This is a state function, and the internal energy is the sum of the kinetic and potential energies of all the particles in the system.
How can one define the internal energy of a system?A system's internal energy is the sum of all the energies that are present in it, including the mechanical, chemical, potential, kinetic, and so forth. The unit of measurement for internal energy is the letter J, which stands for joules (J).The total internal energy of a system with particular limits is made up of the kinetic energy brought about by the motion of molecules, the potential energy brought about by their vibrational motion, and the electric energy of the atoms contained within those molecules.The internal energy is an initial- and boundary-dependent state function.An abundance of internal energy exists.ΔU = q + W serves as the fundamental formula for the internal energy for a closed system.Heat, internal energy change, and mechanical work are all represented by the unit ΔU.To Learn more About internal energy refer To:
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how would you characterize atmospheric conditions if the adiabatic lapse rate is steeper than the environmental lapse rate
The atmosphere is deemed to be completely unstable if the environmental lapse rate is higher than the dry adiabatic lapse rate.
How do lapse rate circumstances relate to the stability of the atmosphere?
Higher than dry-adiabatic lapse rates are unstable and promote vertical motion. In the absence of saturation, an atmospheric layer is neutrally stable if its lapse rate coincides with the dry-adiabatic rate. Any existing vertical motion is neither slowed down nor accelerated in this case.
What separates adiabatic lapse rate from environmental lapse rate?
The adiabatic lapse rate is the rate at which an air parcel's temperature is varying adiabatically.
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Hydroelectric systems generate electricity using the energy of falling water. A pumped storage hydroelectric system can also be used as a way of storing energy for future use. Explain how
It is obvious that In the pumped storage method, a pumped water is stored in a reservoir using unique pumps. Electric pumps consume electric power, however, and so the logic of the pumped storage methods seems poor but this is not so. Water is usually pumped during off-peak hours of power consumption. An essential reason for the pumped storage method is water-level control to make sure that the power station operates at all means or indefinitely. This reason reflects the economics of power generation as well.
what is hydroelectric system?
hydroelectric is a renewable energy also known as hydroelectric power,( hydropower), electricity that is produced from generators driven by turbines that convert the potential energy of falling or flowing water into mechanical energy.
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Question 8 of 10
Based on the diagram, which statement explains how energy is conserved
during this chemical reaction?
A
Potential energy
of a system
I
1
I
1
Reaction progress
B
C
OA. The potential energy lost by the reaction system (C) is gained by
the surroundings.
B. The potential energy changes indicated by A and B involve energy
lost by the surroundings.
OC. The potential energy gained by the reaction system (A) is lost from
the surroundings.
OD. The potential energy lost during the formation of products (B) is
lost by the surroundings.
Jy
SUBMIT
The statement that explains how energy is conserved during this chemical reaction is " The potential energy lost by the reaction system (C) is gained by the surroundings".
option A is the correct answer.
What is law of conservation of energy?
The law of conservation of energy states that energy can neither be created nor destroyed but can be transformed from one form to another.
Based on the law of conservation of energy, the potential energy of a system can be converted into kinetic energy or heat energy gained by the surrounding.
ΔP.E = ΔH
Pf - Pi = C
where;
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a 97.5 kg bungee jumper jumps off a bridge and undergoes simple harmonic motion. if the period of oscillation is 11.2 s, what is the spring constant of the bungee cord?
According to the given statement 4.88 N/m is the spring constant of the bungee cord.
What is the spring constant k?The spring stiffness is quantified by the spring constant, or k. For various springs and materials, it varies. The stiffer the spring is and the harder it is to stretch, the bigger the spring constant. K stands for the proportionality constant, commonly referred to as the "spring constant." The k variable in Hooke's law (F = -kx) represents stiffness and strength in simple words.
Briefing:Mass m= 97.5 kg
period T= 11.2s
The period expression is provided as
T=2π√m/k
Substitute
11.2= 2*3.142*√97.5/k
square both sides
11.2^2= 2*3.142*97.5/k
125.44= 612.69/k
k=612.69/125.44
k= 4.88 N/m
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when the distance between two masses doubles, the strength of the gravitational force between them ―
When the distance between two masses doubles, the strength of the gravitational force between them is decreased by a factor of 4.
Gravitational Force:
Any two mass-containing objects are attracted to one another by gravitational force. Because it consistently attempts to pull masses together rather than pushing them apart, the gravitational force is known as attractive. In reality, everything in the cosmos is tugging on everything else, including you! Newton's Universal Law of Gravitation is what it is known. Admittedly, you aren't pushing on those other objects all that much because you don't have a very large mass. Additionally, items that are very far apart from one another do not clearly tug on one another. However, we can calculate the force because it exists.
It is given by,
[tex]F=\frac{GMm}{r^{2} }[/tex]
We can clearly evaluate from the above formula that
[tex]F[/tex] ∝ [tex]\frac{1}{r^{2} }[/tex]
So,
When the distance between two masses doubles, the strength of the gravitational force between them is decreased by a factor of 4.
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Two forces of 5N and 12N act at a point The two force first act in opposite directions
a, Make a sketch showing the direction of the forces.
b, calculate the resultant of the forces and mark its direction on your sketch.
The resultant of the force that acts in opposite directions is 7 N.
What is the resultant force?We know that the resultant force is the force that has the same effect in magnitude and direction as two or more forces that is acting together. We have to note that the force that is actinmg on an object is a vector quantity. The implication of this is that the magnitude and the direction of the forces that are acting on the body is very important.
By the use of the law of vectors we can be able to write in the case of the question that we have here, we can see that the forces are acting in the opposite directions. The implication of this is that we would have to subtract the forces so as obtain the resultant force.
We have to note that when we have opposite forces, one is said to be positive and the other negative and the resultant force can be found by subtraction. As such the resultant force can be obtained from;
Let the +B force be 12 N
Let the -B force be 5N
12 N - 5 N = 7 N
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a 7.0-g bullet is fired into a 1.5-kg ballistic pendulum. the bullet emerges from the block with a speed of 200 m/s, and the block rises to a maximum height of 12 cm. find the initial speed of the bullet. (please do not include units in your answer)
The initial speed of the bullet is 200 m/s.
What is Conservation of momentum?Conservation of momentum is a law of physics which states that the total momentum of a system remains constant over time. This means that when two or more objects interact, the total momentum of the system remains the same before and after the interaction. The law of conservation of momentum is applicable to both isolated systems and systems that interact with external forces. It is an important concept in a variety of applications ranging from collisions of particles to the motion of galaxies. Conservation of momentum also plays an important role in the field of quantum mechanics.
The initial speed of the bullet can be calculated using the conservation of momentum equation:
m₁v₁ + m₂v₂ = m₁v′₁ + m₂v′₂
where m₁ is the mass of the bullet, v₁ is the initial speed of the bullet, m₂ is the mass of the pendulum, v₂ is the initial speed of the pendulum, v′₁ is the final speed of the bullet, and v′₂ is the final speed of the pendulum.
In this problem, m₁ = 7.0 g, v₁ = ?, m₂ = 1.5 kg, v₂ = 0 m/s, v′₁ = 200 m/s, and v′₁ = 0 m/s.
Substituting this into the equation, we get:
7.0 g x v₁ + (1.5 kg)(0 m/s) = 7.0 g(200 m/s) + (1.5 kg)(0 m/s)
Solving for v₁, we get:
v₁ = 200 m/s
Therefore, the initial speed of the bullet is 200 m/s.
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3. A car travels 64.4 km in 0.5 hr. Calculate the car's average speed in km/hr.
Answer:
128.8Km/h
Explanation:
S=d/t
=64.4/0.5
=128.8
Classify the type of reaction below.
C2H6 + O2
--> CO2 + H2O
a. Synthesis
b. Decomposition
c. Combustion
d. Single Replacement
e. Double Replacement
Answer: Synthesis
Explanation: You are combining multiple Elements
3. You drive on NH-4 from New Delhi to Agra, half the time at 55 km/h and the other half at 90 km/h. On the way back you travel half the distance at 55 km/h and the other half at 90 km/h. What is your average speed (a) from New Delhi to Agra, (b) from Agra to New Delhi, (c) for the entire trip? (d) What is your average velocity for the entire trip?
Answer:
below
Explanation:
d = distance from ND to A
Average speed = total d / total time
a) total distance = d
= 1/2 t * 55 + 1/2 t * 90 total time = t
average speed = d / t = (1/2 t *55 + 1/2 t*90) / t
= 1/2 *55 + 1/2 * 90 = 72.5 km/hr av
b) time at 55 = 1/2d /55 time at 90 = 1/2 d 90
rate = d / t = d /( 1/2 d 55 + 1/2 d 90) = 1 / ( 1/110 + 1/180) = 68.3 avg
c) and d) are the same question?
total d /total time = avg 2d /( d / 72.5 + d/ 68.3) = 70.3 km/hr
100 POINTS AND BRAINLIEST IF YOU CAN ANSWER
On a position vs. time graph for an object, a horizontal line segment indicates that the object is
A. at its starting location.
B. not moving and is at rest.
C. located at ground level.
D. moving at a constant rate.
Answer:
The answer is D. moving at a constant rate.
Explanation:
I've had this question before.
In the position-time graph, the horizontal line segment indicates that the object is not moving and is at rest. Therefore, option (B) is correct.
What is the Position Time Graph?The position vs time graph on which the instantaneous position of a particle is plotted on the y-axis and the time is plotted on the x-axis is called the Position-Time graph.
In the position vs time graph always take an independent variable on the x-axis and dependent variables must be plotted on the y-axis. Through mathematical function, the dependent variable will be dependent on the independent variable.
In the case of the Kinematic equation of uniform acceleration, the position can be defined as a dependent variable and time will be the fundamental independent variable.
The case of the horizontal line in the position vs. time graph indicates that the position of the object is not changing with time so it is at rest.
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