D is the answer I’m pretty sure
What is another name for the surface of the sun?
Answer: Chromosphere hope this helps :)
Which statement best describes the relationship between work and energy?
Work is the mechanism by which energy is transferred or changed in an object, described by the work-energy theorem. Work done on an object equals the change in kinetic energy, demonstrating the intimate relationship between work and energy, and can be calculated using the formula W = Fd*cos(θ). Energy is defined as the ability to do work, connecting it intrinsically to the concept of work.
The Relationship Between Work and Energy
The statement that best describes the relationship between work and energy is that work is the means through which energy is transferred or transformed from one body or system to another. When work is done on an object by applying a force over a distance, the energy of the object changes. This can be in the form of kinetic energy, which is the energy of motion, or potential energy, which is stored energy due to position or composition. The work done on an object is equal to the change in kinetic energy of the object, which is a concept known as the work-energy theorem.
In mechanical terms, work (W) can be expressed as the product of the force (F) in the direction of displacement times the distance (d) the object moves while the force is applied: W = Fd*cos(θ), where θ is the angle between the force vector and the displacement vector. Work and energy are measurable in the same units, Joules (J), underscoring their close relationship.
In essence, energy is defined as the capacity to do work. Therefore, understanding work is essential to grasping how energy is transferred or conserved within a system. In terms of conservation, the first law of thermodynamics states that the total internal energy change in a system is equal to the heat added to the system minus the work the system performs. Thus, the concept of work serves as a fundamental bridge between force interactions and energy changes in physical systems.
Dimension formula of under root LC
The square root of LC has the dimension of time. Its reciprocal is frequency.
The dimension of under root LC is calculated by taking square root of the multiplication of the dimensions of L (Inductance) and C (Capacitance). Using the dimensions of L as [M][L][T]-2 [I]-2 and C as [M]-1 [L]-2 [T]4 [I]2, the dimension of under root LC is [M]-1/2 [L]-1 [T]2 [I].
Explanation:The question asks for the dimension of under root LC where L is Inductance and C is Capacitance. Both of these are primary physical quantities where the dimension of L is [M][L][T]-2 [I]-2 and the dimension of C is [M]-1 [L]-2 [T]4 [I]2. To find the dimension for under root LC, we can square root the multiplication of the dimensions of L and C, which means that the dimension of under root LC is [M]-1/2 [L]-1 [T]2 [I].
Here, M stands for mass, L for length, T for Time, and I for Current.
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Ben's famliy lives in Florida. His dad wants to cut down the cost of the electricity bill, and he has decided to install some large panels on the roof to absorb energy which can be converted into a useful form for their home. What type of energy will these panels capture?
A) wind energy
B) solar energy
C) kinetic energy
D) photosynthetic energy
Answer:
the answer would be solar energy, because solar panels are used for solar energy and they also cut back on your bill
Answer:
B
Explanation:
can i have brainliest plz
Which statement describes the purpose of forming the North Atlantic Treaty Organization
A. To provide collective defense against the threat of aggression from the Soviet Union and its allies.
The primary purpose of forming the North Atlantic Treaty Organization (NATO) was to provide a collective defense against the threat of aggression from the Soviet Union and its allies during the Cold War era.
Established in 1949, NATO aimed to ensure the security and stability of its member states in the North Atlantic region by promoting military cooperation and mutual defense.
The organization facilitated strategic alliances, joint military exercises, and intelligence sharing among member countries to deter potential aggression and preserve peace in the region.
NATO's formation represented a commitment by member states to support each other in the event of an attack, thereby serving as a cornerstone of transatlantic security and stability during the Cold War period and beyond.
The probable question may be:
Which statement describes the purpose of forming the North Atlantic Treaty Organization
A. To provide collective defense against the threat of aggression from the Soviet Union and its allies.
B. To promote economic cooperation among North Atlantic countries.
C. To establish a military alliance for global peacekeeping missions.
D. To coordinate efforts for environmental conservation in the North Atlantic region.
A wheel is rotating at a rate of 2.0 rev every 3.0s. through what angle, in radian , does the wheel rotate in 1.0s?
Answer:
[tex]4 \pi[/tex]
Explanation:
First of all, let's convert 2.0 rev into radians:
[tex]1.0 rev = 2\pi rad\\2.0 rev = 4 \pi rad[/tex]
This means that the angular speed of the wheel is
[tex]\omega = 2.0 rev/s = 4 \pi rad/s[/tex]
The angle through which the wheel rotates in a time t is given by
[tex]\theta=\omega t[/tex]
And substituting t=1.0 s, we find
[tex]\theta=(4\pi rad/s)(1.0 s)=4 \pi rad[/tex]
Use the diagram below to answer questions 3 -5
What number is at the spot of greatest kinetic energy?
What number is at the spot of least kinetic energy?
What number is at the spot of least gravitational potential energy?
Answer:
344351
Explanation:
can i have brainlyist
Number 1 is at the spot of greatest kinetic energy.
Number 3 is at the spot of least kinetic energy.
Number 1 is at the spot of least gravitational potential energy.
What is energy?Energy is the ability to perform work in physics. It could exist in several different forms, such as potential, kinetic, thermal, electrical, chemical, radioactive, etc. Additionally, there is heat and work, which is energy being transferred from one body to another.
Due to its initial velocity, the bullet will initially have kinetic energy. However, because of the law of conservation of energy, we know that when height is increased, the projectile's kinetic energy will change into gravitational potential energy if there is no air resistance. Because of the gravitational gravity g acting downward, the vertical velocity of the object will initially drop, causing a loss in kinetic energy.
Gravitational potential energy rises as a result of the decrease in kinetic energy. This will carry on until the object reaches its highest point, at which point the gravitational potential energy will be at its highest and the kinetic energy will be at its lowest.
Hence, Number 1 is at the spot of greatest kinetic energy and least gravitational potential energy. Number 3 is at the spot of least kinetic energy.
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Explain how the sun's position in the sky affects the length of shadows
ps.multiple sentences, please
A shadow forms on the side of an object that faces away from the sun. The length of shadows changes as Earth rotates. In the morning, the sun is low in the eastern sky and shadows are long. As time passes in the morning, the sun seems to move higher in the sky.
The size of the object changes with change in the position of the light source.The length of the shadow of the object decreases as the sun position changes from down to top in the sky.
SunlightSunlight has the sun rays. This rays travel to the earth. When the sun rays reach to earth they hit the object comes in his way. If the sun rays hit the opaque body ( a body that absorb some light when light fall on it) the light can not pass through them and the shadow appears.
What is the affect pf sun's position on the length of shadows?The shape of a object determine the shape of the shadow made by him but the size of the object does not depends on the size of the object.
The size of the object changes with change in the position of the light source.The shadow appears in the opposite direction from where the sunlight falls on body.
At the outdoor, when there is sun in the sky, the size of the shadow is different at different sun position on the sky.
At the time of morning the sun is in the east direction low level at sky. At this position the sun rays passes through the objects vertically. It results in the long shadow of the object in the west direction.At the time of noon the sun is at top of the sky. The sun rays fall on a object vertically. The shadow made by the object is smaller or nothing as the opposite surface is grounded. Thus in the noon time the shadow length is smaller.At the time of evening the sun is again down in the sky. The sun rays falls vertically, Hence the shadows made by the object is longer and in the east direction.Hence the length of the shadow of the object decreases as the sun position changes from down to top in the sky.
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Kinetic energy is measured in units of
If the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.
Kinetic energy is usually measured in units of Joules (J); one Joule is equal to 1 kg m2 / s2.
Kinetic energy is the energy of motion and is measured in Joules (J), which equates to kg · m²/s² in SI units. This is because it represents the same physical property as work and energy in physics.
Explanation:Kinetic energy is measured in units of joules (J), which are also the units for work and energy. This is because kinetic energy, the energy of motion, is related to the work done on an object and is a form of energy. The joule is defined as 1 kg · m²/s² in standard SI units, meaning it represents the amount of kinetic energy held by an object with a mass of 2 kilograms, moving with a velocity of 1 meter per second.
Historically, energy was measured in units of calories, but the SI unit of heat, work, and energy is the joule. One Joule is equivalent to 1 kg m²/s², which is also called 1 newton-meter. To standardize its definition, 1 calorie has been set to equal 4.184 joules.
The kinetic energy of an object can be calculated by the equation KE = 1/2mv², where 'm' is the mass of the object and 'v' is its velocity. This equation demonstrates that kinetic energy is proportional to the square of an object's speed, highlighting the relationship between energy, mass, and motion.
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An atomic nucleus is composed of A) protons. B) protons and neutrons. C) protons and electrons. D) protons, neutrons, and electrons.
Answer:
B
Explanation:
The nucleus is made up of protons and neutrons, and electrons float around the neucleus in the electron cloud.
The atomic nucleus is made up of two particles that are protons and neutrons.
Answer: Option B.
Explanation:
The atom has the core part as the nucleus in the center part of the atom. The nucleus consists of two particles. These are namely, protons and neutrons.
Proton contains a positive charge but whereas the neutron does not have any charges; therefore, the nucleus acquires the positive charge of the proton. Both of them together constitute the atomic mass and the mass number.
what are most elements on the periodic table?
Answer:
Metals, nonmetals and metalloids.
Explanation:
Answer:
Is metals, Non metals, Metalloids
The periodic table on the left separates elements into three groups : the metals (green in the table), nonmetal (orange), and metalloids (blue) . most elements are metal. they are usually shiny,very dense , and only melt at high temperatures .
Which of the following statements is true?
Concrete absorbs visible light and re-radiates it as infrared energy.
Concrete cannot absorb infrared energy.
Concrete absorbs infrared energy and re-radiates it as visible energy.
Concrete reflects all light.
Answer:
Concrete absorbs visible light and re-radiates it as infrared energy.
Explanation:
As we know that concrete will not reflect 100% light incident on it but it will absorb few energy and remaining energy is reflected back.
So here when visible light incident on the concrete then few of its energy is absorbed by is and then the remaining energy is reflected back.
Since the reflected energy must be less than the energy which incident on the concrete so here we will say that the reflected waves must be of less frequency range
so here most appropriate energy range of reflected wave is infrared waves
so here correct answer will be
Concrete absorbs visible light and re-radiates it as infrared energy.
Answer:
Concrete absorbs visible light and re-radiates it as infrared energy.
Explanation:
Plants make energy. Some of it they use to preform the necessary functions of living. What do they do with the excess energy?
Answer:
They can use it for when they are dormant in the winter or to grow more sources for storing and creating energy, or they store the energy (this energy would be considered stored energy).
What is pitch related to in terms of sound? Does it affect the speed? If so, how?
Answer:
Pitch is the listener's perception of the frequency of sound, but it does affect the speed.
Explanation:
Depending on the frequency at which the sound waves that produce them vibrate, sounds have a higher or lower pitch.
What is the pitch of the sound?A low frequency, such as 55 Hz, is heard as a low pitch and a high frequency, such as 880 hertz [Hz; cycles per second], as a high pitch.
In frequency, hertz units are used. The pitch of a sound wave increases with the speed of oscillation.
Pitch and sound frequency are connected. The frequency increases as the pitch rise. The length of the vibrating item affects the frequency and pitch of the vibration.
For instance, a shorter string vibrates more quickly than a longer string, producing a greater frequency and pitch.
Therefore, the pitch is related to in terms of sound The higher the pitch of the sound, the higher the frequency, and vice versa, hence they are directly correlated.
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Which of the following is the correct name for CCl4
Answer:
Tetrachloromethane
Explanation:
The correct name for CCl₄ is carbon tetrachloride.
Carbon tetrachloride is an organic compound composed of one carbon atom bonded to four chlorine atoms.
It is a colorless, heavy liquid with a sweet odor. Carbon tetrachloride has been widely used in the past as a solvent for various purposes, including cleaning, degreasing, and as a fire extinguishing agent. However, its usage has significantly decreased due to its harmful effects on human health and the environment.
Carbon tetrachloride CCl₄ is toxic and poses serious risks such as liver damage, respiratory issues, and environmental pollution. Therefore, its use has been restricted or banned in many countries.
Therefore, CCl₄ is officially known as carbon tetrachloride.
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A car headed north at 15m/s experiences an acceleration of 2.5 m/s2 for 3 s. What is the final velocity of the car
Answer:
= 22.5 m/s
Explanation:
The acceleration of a moving body is calculated by the formula;
a = (v-u)/t
Where; a is the acceleration of the body
v is the final velocity of the body
u is the initial velocity of the body and
t is the time taken
In this case;
u = 15 m/s
a = 2.5 m/s²
t = 3 seconds
2.5 m/s² = ( v- 15 m/s)/3 seconds
2.5 × 3 = v - 15
7.5 = v - 15
v = 7.5 + 15
= 22.5 m/s
A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. The car has —— energy. Calculate it
Answer:
A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. The car has Kinetic energy.
kinetic energy = 896000 joules
Explanation:
Kinetic energy is an energy a mass of body possess by reason of it motion. Kinetic energy depends on the mass and speed of a body . Kinetic energy is a scalar quantity, this means it has only magnitude but no direction.
Since the car is on motion the energy the car possess is a kinetic energy. Kinetic energy can be calculated using the formula below.
kinetic energy = 1/2 × mass × velocity²
kinetic energy = 1/2mv²
m = 1120 kg
v = 40 m/s
kinetic energy = 1/2 × 1120 × 40²
kinetic energy = 1/2 × 1120 × 1600
kinetic energy = 1792000/2
kinetic energy = 896000 joules
Given the mass and velocity of the travelling car, the energy it will posses is 896000J
Given the data in the question;
Mass of the car; [tex]m = 1120kg[/tex]
Speed or Velocity of the car; [tex]v = 40m/s[/tex]
Energy; [tex]K_E = \ ?[/tex]
Since the car is moving, it will posses a Kinetic Energy.
Kinetic Energy [tex](K_E)[/tex] is the form energy a matter or particle possesses due its motion. It is directly proportional to object's mass and the square of its velocity.
[tex]K_E = \frac{1}{2} mv^2[/tex]
We substitute our given values into the equation
[tex]K_E = \frac{1}{2}\ *\ 1120kg\ *\ (40m/s)^2\\\\ K_E = \frac{1}{2}\ *\ 1120kg\ *\ 1600m^2/s^2\\\\K_E = 896000kg.m^2/s^2\\\\K_E = 896000J[/tex]
Therefore, Given the mass and velocity of the travelling car, the energy it will posses is 896000J
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A car makes sound as it moves toward a stationary observer. What best describes the sound wave heard by the observer compared with the sound heard by the car’s driver?
higher frequency; shorter wavelength
higher frequency; longer wavelength
lower frequency; shorter wavelength
lower frequency; longer wavelength
Answer:
The frequency will be higher, meaning the wavelength will be shorter.
Answer:
higher frequency; shorter wavelength
Explanation:
As we know that by Doppler's effect of sound we have a formula of apparent frequency observed by stationary observer when source is coming closer to it is given by
[tex]f_{app} = f_o(\frac{v}{v- v_s})[/tex]
now when source will come closer to stationary observer than the apparent frequency observed by the observer will be greater than the actual frequency heard by the driver
now we also know that the formula for wavelength is given by
[tex]\lambda = \frac{speed}{frequency}[/tex]
so here the wavelength will be smaller by that observer as frequency will be more.
so correct answer will be
higher frequency; shorter wavelength
Witch sentence states Newton third law
Answer:
option b
Explanation:
if two object collide each object exerts a force equat to and in the opposite direction each other
Both a fire blanket and the spray from a fire extinguisher put out a fire by pressing down on the fire and pushing any oxygen away. When there is no oxygen, the fire stops. Sometimes it is safe to pour water on a fire to put it out, but if a fire is ever caused by electrical energy, water will spread the fire.
With this in mind, what most likely explains why it is important to make sure hands are dry before working with any scientific electrical equipment?
Fires are started by water.
Germs should not be electrified.
Water can carry electricity.
Wet fire blankets will not work.
Answer:
Water can carry electricity
Explanation:
While pure water does not conduct electricity, ionized water does. It is common that water is ionized than is pure, unless it is purified. The dissolved ions in the water are what makes the water conduct electricity. Handling electric equipment with wet hands may lead to electrocution.
Answer: C.) Water can carry electricity.
Explanation:
The case of Plessy v. Ferguson, which affirmed the system of segregation, was subsequently overturned in which of the cases listed below?
Select one:
A. Tinker v. Des Moines
B. District of Columbia v.Heller
C. Marbury v. Madison
D. Brown v. Board of Education
brown v board of ed
becasue i remember trust me
Answer: BROWN V BOARD OF EDUCATION.
…Court in the case of Plessy v. Ferguson established the doctrine of “separate but equal.”…. Jim Crow law. …1954 the Supreme Court reversed Plessy in Brown v. Board of Education of Topeka. It declared segregation in public schools unconstitutional, and, by extension, that ruling was applied to other public facilities.
Explanation:
A car’s engine stalls going up a hill and slows down as a result. Which statement describes the energies of the car?
A) The kinetic energy increases and the gravitational potential energy remains the same. C) The kinetic energy decreases and the gravitational potential energy remains the same. B) The kinetic energy increases and the gravitational potential energy decreases. D) The kinetic energy decreases and the gravitational potential energy increases.
Answer:
D) The kinetic energy decreases and the gravitational potential energy increases.
Explanation:
Kinetic energy is the energy possessed by a body or an object while in motion. This energy is given by 1/2mv², where m is the mass of the object and v is the velocity. Kinetic energy will decrease as a car is going up hill as the speed will be decreasing.Potential gravitational energy is the energy possessed by a body while at rest and is given by mgh, where m is the mass, g is the gravitational acceleration and h is the height. In this case, the potential energy will be increasing as the car is going up hill as the height will be increasing.Answer:
D) The kinetic energy decreases and the gravitational potential energy increases.
which is true of magnetic field lines, but not electric field lines
A) they are not affected by their own source
B) they show which way iron shavings would align themselves
C) they re stronger near the source and get weaker farther away
D0 the closer the fields lines, the stronger the fields
Answer:
B) they show which way iron shavings would align themselves
Explanation:
Let's analyze each statement:
A) they are not affected by their own source --> this is true for both magnetic and electric fields. In fact, both fields are produced (and so affected) by a source (a magnet or a current in the magnetic field case, and an electric charge in the electric field case)
B) they show which way iron shavings would align themselves --> this is only true for the magnetic field. In fact, the pieces of iron will align according to the magnetic field; however, since they are electrically neutral, they are not affected at all by an electric field.
C) they re stronger near the source and get weaker farther away --> true for both magnetic and electric fields.
D) the closer the fields lines, the stronger the fields --> also true for both magnetic and electric fields.
So, the correct answer is B.
Answer:
B) they show which way iron shavings would align themselves
Explanation:
What happens to the current in a circuit if the resistance in the circuit is increased
Answer:
Current Flow and Ohm's Law
Ohm's law is the most important, basic law of electricity. It defines the relationship between the three fundamental electrical quantities: current, voltage, and resistance. When a voltage is applied to a circuit containing only resistive elements (i.e. no coils), current flows according to Ohm's Law, which is shown below.
I = V / R
Where:
I =
Electrical Current (Amperes)
V =
Voltage (Voltage)
R =
Resistance (Ohms)
Ohm's law states that the electrical current (I) flowing in an circuit is proportional to the voltage (V) and inversely proportional to the resistance (R). Therefore, if the voltage is increased, the current will increase provided the resistance of the circuit does not change. Similarly, increasing the resistance of the circuit will lower the current flow if the voltage is not changed. The formula can be reorganized so that the relationship can easily be seen for all of the three variables.
The Java applet below allows the user to vary each of these three parameters in Ohm's Law and see the effect on the other two parameters. Values may be input into the dialog boxes, or the resistance and voltage may also be varied by moving the arrows in the applet. Current and voltage are shown as they would be displayed on an oscilloscope with the X-axis being time and the Y-axis being the amplitude of the current or voltage. Ohm's Law is valid for both direct current (DC) and alternating current (AC). Note that in AC circuits consisting of purely resistive elements, the current and voltage are always in phase with each other.
Exercise: Use the interactive applet below to investigate the relationship of the variables in Ohm's law. Vary the voltage in the circuit by clicking and dragging the head of the arrow, which is marked with the V. The resistance in the circuit can be increased by dragging the arrow head under the variable resister, which is marked R. Please note that the vertical scale of the oscilloscope screen automatically adjusts to reflect the value of the current.
See what happens to the voltage and current as the resistance in the circuit is increased. What happens if there is not enough resistance in a circuit? If the resistance is increased, what must happen in order to maintain the same level of current flow?Explanation:
Which hand is negatively charged
Answer:
Its B. I got it from my question that I asked.
Explanation:
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This is the person is the one that answered it right mlboeckel26
Answer: The right hand rule is a way to predict the direction of a force in a magnetic field. To predict the behavior of positive charges, use your right hand. To predict the behavior of negative charges, use your left hand.
Explanation: If your thumb points in the direction of the velocity and your fingers point in the direction of the magnetic field, your palm points in the direction of the force.
Entropy can only be decreased in a system if ...
a)heat is removed
b)disorder is increased
c)energy is added
d)efficiency is zero
ANSWER FAST PLEASEEEEEE
Answer:
a)heat is removed
Explanation:
Entropy is the a stare of randomness or disorderliness of the particles of a system.
The entropic level of a system depends on temperature and physical state of matter.
With increasing temperature, the randomness of the particles of a system increases. When heat is removed from a system, the entropy reduces and orderliness is approached. For example, the entropy of steam would decrease if we place it in a refrigerator. In the refrigerator, work is done on the steam to remove the heat and reduce the temperature. The vapour moves from gas to liquid and then to a more ordered ice.
When disorder increases, entropy increases also.
When we add more energy to a system, it causes a rise in randomness.
Answer:
it is not a) heat is removed
Explanation:
just got it wrong because of the previous reply :(
which of the following describes the relationship between the area of piston and the force exerted?
Answer:
Pascal`s Principle
Explanation:
Answer:
Pascal's Principle
Energy conversion from potential energy (the energy of position or composition) to kinetic energy (the energy of motion) is illustrated by the diagram of a roller coaster.
Answer: Give the full question bro
Explanation:
Final Answer:
The roller coaster diagram illustrates the conversion of potential energy to kinetic energy.
Explanation:
4. The statement "The roller coaster diagram illustrates the conversion of potential energy to kinetic energy" refers to the fundamental concept of energy transformation in the context of a roller coaster.
The roller coaster starts with potential energy, often at its highest point, due to its position above the ground. As it descends, gravitational potential energy is converted into kinetic energy, showcasing the principle of energy conservation.
The roller coaster's potential energy is a result of its height, and according to the law of conservation of energy, this potential energy is transformed into kinetic energy as the coaster accelerates downwards.
The correct option here is the explanation that focuses on the conversion of potential energy to kinetic energy, as this accurately captures the key concept highlighted in the question.
Therefore, the correct option is the explanation emphasizing the conversion of potential energy to kinetic energy.
In summary, the roller coaster diagram exemplifies the conversion of potential energy (associated with height or position) into kinetic energy (related to motion), showcasing the interplay between these two forms of energy.
The equation of trajectory of a projectile is y=10x-(5/9)x^2 if we assume g=10m/s^2, the range of projectile in meters is?
Answer:
18 m
Explanation:
y = 10x − 5/9 x²
When the projectile lands, y=0:
0 = 10x − 5/9 x²
0 = x (10 − 5/9 x)
x = 0, 18
The range of the projectile is 18 m.
A spring is characterized by a spring constant of 60 N/m. How much potential energy does it store, when stretched by 1.0 cm?
Answer:
The potential Energy stored in the spring = 0.003 J
Explanation:
Potential Energy: This is the energy possessed by a body by virtue of its position. The ability to stretched or compressed an elastic material to do work is called the elastic potential energy. The unit of elastic potential energy is Joules (J).
Elastic potential energy can be represented mathematically as
W = 1/2ke² ............................... Equation 1
Where W = Elastic potential Energy, k = force constant of the spring. e = extension.
Given: k = 60 N/m, e = 1.0 cm = (1/100) m = 0.01 m.
Substituting these values into equation 1,
W = 1/2(60)(0.01)²
W = 30×0.0001
W = 0.003 J.
Thus potential Energy stored in the spring = 0.003 J
To calculate the elastic potential energy stored in a spring with a spring constant of 60 N/m stretched by 1.0 cm, use the formula U = 1/2 [tex]kx^{2}[/tex], which yields 0.003 joules for this case.
The question involves calculating the elastic potential energy stored in a spring with a known spring constant when it is stretched by a certain amount. In Physics, to find the potential energy stored in a spring, we can use the formula:
U = 1/2 [tex]kx^{2}[/tex]
Where U is the elastic potential energy, k is the spring constant, and x is the displacement of the spring from its equilibrium position. For this particular spring, with a spring constant of 60 N/m and stretched by 1.0 cm (which is 0.01 m), we can calculate the potential energy as follows:
U = [tex]\frac{1}{2}[/tex] × 60 N/m × [tex](0.01 \text{ m})^2[/tex]
= [tex]\frac{1}{2}[/tex] × 60 × 0.0001
= 0.003 J
Therefore, the spring stores 0.003 joules of potential energy when stretched by 1.0 cm.