How does changing the mass of the black hole affect its Schwarzschild radius? Specifically, if we double the mass of the black hole, which of the following statements is true?The volume from which light cannot escape will get bigger.The Schwarzschild radius of the black hole also doubles.If the mass of the black hole doubles, the Schwarzschild radius of the black hole also doubles.A small, stellar-mass black hole with three times the mass of the Sun (5.97×1030 kg5.97×1030 kg) is roughly 9 km across, about the size of a city of a few tens of thousands of people.The Schwarzschild radius depends on the mass, MBMMBM, of the black hole.
Answers
Option 2) is true. If the mass of the black hole doubles, then the Schwarzschild radius of the black hole also doubles.
The Schwarzschild radius of a black hole depends on its mass. When the mass of the black hole changes, its Schwarzschild radius is also affected. Specifically, if we double the mass of a black hole, the Schwarzschild radius of the black hole also doubles. The Schwarzschild radius is defined as the distance from the center of a black hole at which an object would need to be in order to escape its gravitational pull. It is represented by the equation Rs = 2GM/c² where Rs is the Schwarzschild radius, G is the gravitational constant, M is the mass of the black hole, and c is the speed of light.
The formula implies that Schwarzschild radius depends on the mass of the black hole.Therefore, if the mass of the black hole doubles, then the Schwarzschild radius of the black hole also doubles. Hence, option 2 is the correct statement.
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Related Questions
A brave but inadequate rugby player is pushed backward by an opposing player who exerts a force of 800.0 N on him. The mass of the losing player plus his equipment is 90.0 kg, and he is accelerating backward at 1.2 m divided by s squared. What is the force of friction between the losing player’s feet and the grass?
Answers
The force of friction between the losing player’s feet and the grass is 692 N.
What is the force of friction?
The force of friction between the losing player’s feet and the grass is calculated by applying Newton's second law of motion as shown below.
F(net) = ma
where;
F(net) is the net force on the playerm is the mass of the playera is the acceleration of the playerF - Ff = ma
where;
F is the applied forceFf is the force of friction800 - Ff = 90 x 1.2
800 - Ff = 108
Ff = 800 - 108
Ff = 692 N
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Describe the physical properties of stars and how they relate to the Hertsprung-Russell diagram.
write like 4 sentences
Answers
Answer:
Explanation:The Hertzsprung-Russell Diagram is a graphical tool that astronomers use to classify stars according to their luminosity, spectral type, color, temperature and evolutionary stage. Stars in the stable phase of hydrogen burning lie along the Main Sequence according to their mass.
hoped this helped
a n-14 nucleus is hit by a particle, forming a c-14 nucleus and a proton as the only products. identify the type of particle which struck the n-14 nucleus.
Answers
To answer your question, we need to use nuclear equations to determine the type of particle that struck the n-14 nucleus.
The given equation for this reaction is:
n-14 + particle → C-14 + proton
To balance the equation, we need to determine the identity of the particle.
First, we can see that the atomic number of the n-14 nucleus is 7 (since it has 7 protons). After the reaction, the C-14 nucleus has 6 protons, so it has an atomic number of 6. The proton that is produced has an atomic number of 1.
From the conservation of atomic number, we can conclude that the particle that struck the n-14 nucleus must have an atomic number of 1. This means that the particle is a hydrogen nucleus, also known as a proton.
Therefore, the type of particle that struck the n-14 nucleus is a proton.
I hope this helps! Sorry for the long answer, but I wanted to explain the reasoning behind the answer. The total word count is 150.
The particle that struck the N-14 nucleus is a neutron. When the neutron hits the N-14 nucleus, it forms a C-14 nucleus and releases a proton as the only products. This is an example of a nuclear reaction.
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A cart of mass m is moving with speed v on a smooth track when it encounters a vertical loop of radius r, as shown above. the cart moves along the inside of the entire loop without leaving the track. all frictional forces are negligible.Which of the following must be true for the cart to remain on the track when it is at point P?
Answers
Therefore for cart to stay here on track when it arrives at point P, the net force applied to it must be greater or equal than for the heaviness of the cart.
Describe force.The force is an impact that has the power to alter an object's motion. A mass-containing object's velocity can be altered by a force. An obvious way to describe force is as a pushed or a pull. A vector quantity is called a force since it has both strength and the direction.
Which force is the most crucial?The strongest force in existence is thought to be the strong force. The gravitation, weak, and electromagnetism forces come after it in lowest to highest.
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if the change in thermal energy is 140j mass is 27kg and temperature change is 11ﾟC what is the specific heat capacity
Answers
The specific heat capacity formula is used to determine the quantity of heat required to alter the temperature of a unit mass of a substance by one degree Celsius.
The symbol c represents specific heat, and its SI unit is J/kg °C. The formula is:Q = mc∆THere, Q represents the change in thermal energy, m represents the mass of the object, c represents the specific heat, and ∆T represents the change in temperature.In order to determine the specific heat of a substance, we can substitute the given values into the above formula.Q = mc∆T140 J = (27 kg) c (11°C)c = 140 J / (27 kg × 11°C)Therefore, the specific heat capacity of the substance is approximately 0.479 J/kg °C.For such more question on Celsius
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how do lithospheric mantle and asthenosphere differ from each other?
Answers
The lithosphere, which is the mechanical layer's outermost layer and which exhibits stiff, brittle behaviour, The asthenosphere is a solid portion of the upper mantle that is so heated that it can flow and act plastically. The asthenosphere supports the lithosphere.
Why is it called lithosphere?The crust and the brittle upper mantle make up the lithosphere, the Earth's outermost layer. The Greek terms "lithos," which means stone, and "sphaira," which means globe or ball, are the source of the English word "lithosphere."The crust and uppermost mantle are both parts of the lithosphere, which is the planet's hard, rigid outer layer. The weaker, hotter, and deeper portion of the upper mantle, known as the asthenosphere, lies beneath the lithosphere. A variation in how each lithosphere and asthenosphere responds to stress defines their boundary. The asthenosphere deforms viscously and accommodates strain by plastic deformation, whereas the lithosphere remains hard for very long geologic time periods during which it deforms elastically and through brittle failure.
Thus, it is believed that the lithosphere's thickness corresponds to the distance from the isotherm that marks the change from brittle to viscous behaviour.
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Under the current law on nutrition labeling, the Nutrition Facts
panel must include
a. total calories from trans fat
b. grams of monounsaturated fat
c. grams of total fat
d. total calories from satura
Answers
The Nutrition Facts panel must include the grams of monounsaturated fat, grams of total fat, and total calories from saturated fat.
a. The total calories from trans fat are not required to be included in the Nutrition Facts panel. Trans fat is listed separately under "Total Fat" and does not have its own specific calorie value.
b. The grams of monounsaturated fat are required to be included in the Nutrition Facts panel. Monounsaturated fat is a type of fat that is beneficial for health, and its quantity is provided to help consumers make informed choices.
c. The grams of total fat are required to be included in the Nutrition Facts panel. Total fat represents the sum of all types of fats present in the food product.
d. The total calories from saturated fat are required to be included in the Nutrition Facts panel. Saturated fat is a type of fat that is associated with an increased risk of certain health conditions, and providing the calorie value helps consumers monitor their intake.
Therefore, the Nutrition Facts panel must include b. grams of monounsaturated fat, c. grams of total fat, and d. total calories from saturated fat.
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based on its surface temperature of 5,800 k, what color are most of the photons that leave the sun's surface?
Answers
The color that are most of the photons that leave the sun's surface is
blue-green.
Most of its energy is released around 500.The sun could be described as blue-green. The sun's maximum radiation frequency is determined by its 5,800K surface temperature. Our sun might reach its peak in the blue or violet region of the spectrum (or even the ultra violet! ), As a higher surface temperature would lead to a shorter maximum wavelength.If we use Max Planck,
E = hf
where,
E = Energy
h = the Planck Constant
f = Frequency
The spectral signature across visible wavelengths is much flatter when the solar irradiance is converted into photon counts, giving the impression that the sun is more yellow.
The color that are most of the photons that leave the sun's surface is
blue-green.
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Part A What is the conductance of a 1.0-mm-diameter, 10-cm-long blood vessel filled with blood? Express your answer with the appropriate units. μA ? G = Value Units Submit Request Answer Part B What is the current in μA if a 10 V potential difference is applied across the ends of this vessel? Express your answer in microamperes.
Answers
The conductance of a 1.0-mm-diameter, 10-cm-long blood vessel filled with blood is 0.31 μA/V, and the current in microamperes if a 10 V potential difference is applied across the ends of this vessel is 32.26 μA.
Part A: The conductance of a 1.0-mm-diameter, 10-cm-long blood vessel filled with blood can be calculated using the formula G = πr⁴ / 8ηl, where r is the radius, η is the viscosity of blood and l is the length of the vessel. Assuming a viscosity of 4 × 10⁻³ Pa·s for blood, we get G = (π × (0.5 mm)⁴ / 8 × 4 × 10⁻³Pa·s × 10 cm) = 0.31 μA/V. Therefore, the conductance of the blood vessel is 0.31 μA/V.
Part B: If a 10 V potential difference is applied across the ends of the blood vessel, the current can be calculated using the formula I = V/G, where V is the potential difference and G is the conductance. Substituting the values, we get I = (10 V) / (0.31 μA/V) = 32.26 μA. Therefore, the current in microamperes is 32.26 μA.
In conclusion, the conductance of a 1.0-mm-diameter, 10-cm-long blood vessel filled with blood is 0.31 μA/V, and the current in microamperes if a 10 V potential difference is applied across the ends of this vessel is 32.26 μA.
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If 120 n of force is applied to a crate to move it 15 m, how much work is done?1,000 j1,800 j2,000 j2,500 j.
Answers
The formula Work = Force x Distance can be used to calculate the amount of work done. In this case, the applied force is 120 N, and the distance traveled is 15 m.
Work equals Force x Distance = 120 N x 15 m = 1800 J
As a result, the answer is 1,800 J.
It is important to remember that work is a scalar quantity whose value is determined by the direction of the force and displacement. The work done is positive if the force and displacement are both in the same direction. If they are pointing in opposite directions, the work is negative. Because the force and displacement are both in the same direction in this case, the work done is positive.
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jill plans to make seven annual payments of $1,000 each to a savings account. her plan calls for the first payment to be made one year from today. how much money will be in jill's account at the end of 7 years if the account earns 4 percent compound annual interest
Answers
Adding all these values together, we get a total of $7,911.35. At the end of seven years, Jill's savings account will have a balance of $7,911.35.
If Jill plans to make seven annual payments of $1,000 each to a savings account, and the account earns a compound annual interest of 4 percent, we need to calculate the future value of these payments.
Firstly, we need to calculate the value of Jill's first payment at the end of the seventh year, which will be worth $1,000*(1+4%)^6 = $1,295.94.
Similarly, we need to calculate the value of Jill's second payment at the end of the sixth year, which will be worth $1,000*(1+4%)^5 = $1,221.40.
We can repeat this process for all seven payments, and add up their future values to find the total amount in Jill's account at the end of seven years.
Thus, Jill's seventh payment will be worth $1,295.94, sixth payment will be worth $1,221.40, fifth payment will be worth $1,154.67, fourth payment will be worth $1,095.84, third payment will be worth $1,044.22, second payment will be worth $999.28, and her first payment will be worth $1,000.
Adding all these values together, we get a total of $7,911.35. Therefore, at the end of seven years, Jill's savings account will have a balance of $7,911.35.
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In a stable ecosystem, the number of predators _____________ if the number of prey increases. Question 12 options: Decreases Stays the same Increases Dies.
Answers
In a stable ecosystem, the number of predators increases if the number of prey increases.
What is the relation between predators and prey?Predators are the species that are dependent upon prey for their foods. predators actually hunt the prey for their food.
predators are the species that depend upon other living species like deer fish goats etc for example lions depend upon deer, zebras, etc.
while the preys are the species who depend upon the plants for their food so if the number of preys will be higher then the number of the predators will also be higher.
Thus In a stable ecosystem, the number of predators increases if the number of prey increases.
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PLZ HELP FAST! Which two statements help explain why digital storage of data is so reliable?
O A. Digital data usually deteriorate over time.
I B. Digital data are easier to copy than analog data are, making them
more accessible to thieves.
O c. It is usually possible to recover data from a memory chip even
when the device containing it is broken.
D. Memory chips are sturdy.
Answers
Answer:
C and D
Explanation:
But really, You should be able to answer this with the tech knowledge of a tomato. You're given four answers, and are to choose which two are explain the reliability of digital storage.
The first two describe bad nasty things, the second two describe beneficial things.
So logically....
Answer:
C and d
Explanation:
A P E X
A bike is traveling at a speed of 15 m/s. The mass of the bike is 30 kg. What is the kinetic
energy of the bike?
Answers
Answer:
3375 JExplanation:
The kinetic energy of an object can be found by using the formula
\(k = \frac{1}{2} m {v}^{2} \\ \)
m is the mass
v is the velocity
From the question we have
\(k = \frac{1}{2} \times 30 \times {15}^{2} \\ = 15 \times {15}^{2} \\ = {15}^{3} \: \: \: \: \: \: \: \: \: \: \)
We have the final answer as
3375 JHope this helps you
Most scientists, inventors and engineers do not come up with their ideas all on their own but rather
build upon the ideas or inventions of others. Name two scientists/inventors/engineers in the field of
electricity that obviously used ideas from other people to advance their own ideas and/or inventions,
Include the people from whom they 'borrowed their ideas,
Answers
Answer:
Benjamin Franklin, Thomas Edison
and Robert Anderson, Thomas Davenport
Explanation:
Edison was Franklin's idol in studying electricity (Edison's electric light bulb, and Franklin's metal key string kite static experiment)
Anderson and Davenport for the first electric car
Farley Inc. has perpetual preferred stock outstanding that sells for $40 a share and pays a dividend of $3.50 at the end of each year. What is the required rate of return? Round your answer to two decimal places.
Answers
The required rate of return for the Farley Inc. has perpetual preferred stock outstanding that sells for $40 a share is 8.75%.
A pace of return (RoR) can be applied to any venture vehicle, from land to bonds, stocks, and artistic work. The RoR works with any resource gave the resource is bought at one particular moment and produces income sooner or later. Past rates of return, which can be compared to assets of the same type to determine which investments are most appealing, are part of how investments are evaluated. Before making an investment decision, many investors prefer to select a required rate of return.
Stocks and bonds' rate of return calculations are slightly different. Expect a financial backer purchases a stock for $60 an offer, claims the stock for quite a long time, and procures an aggregate sum of $10 in profits. The investor's per-share gain is $20 if the stock is sold for $80. In addition, he has obtained a dividend income of $10, resulting in a total gain of $30, or $20 plus $10. The pace of return for the stock is in this manner a $30 gain for each offer, partitioned by the $60 cost per share, or half.
On the other hand, suppose an investor purchases a $1,000 $1,000 par value 5% coupon bond and pays $1,000 for it. Each year, the investment receives $50 in interest income. The investor's rate of return is the sum of the $100 gain on the sale and the $100 interest income divided by the $1,000 initial cost, or 20%, if the bond is sold for $1,100 at premium value and the investor earns $100 in total interest.
Required rate of return:
Vp = Dp/rp
40 = 3.50/rp
rp = 3.50/40
rp = 0.0875 = 8.75%.
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4 Applications of named material with high specific heat capacity
Answers
Water has the highest specific heat capacity.
The specific heat capacity is measured in J/(kg K) or J/(kg °C), and it is the amount of heat (J) absorbed per unit mass (kg) of the material when its temperature rises by 1 K (or 1 °C).
Applications of water with highest specific heat capacity are:
Fomentation: Hot water bottles are employed for this process because, despite producing a lot of heat, the water stays hot for a long period inside the bottle. Water is utilized as a coolant in automobile radiators. It can absorb a lot of heat energy from the car's engine thanks to its high specific heat capacity, but its temperature doesn't get too hot.Bottled Wines: Wine bottles are stored submerged in water in colder areas. The time it takes for the temperature to drop to 0 C is due to the large specific heat capacity of water.To know more about specific heat visit the link:
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What is the cause of acoustic speckle ?
a. refraction
b. attenuation
c. interference of tiny acoustic wavelets
d. resonance of particles in the near field
Answers
The cause of acoustic speckle is:c. interference of tiny acoustic wavelets.
Acoustic speckle occurs due to the interference of acoustic wavelets that scatter and reflect from different structures or interfaces within a medium. This interference creates constructive and destructive patterns that result in the speckled appearance of acoustic images. Refraction and attenuation can affect the propagation of acoustic waves, but they are not the primary cause of acoustic speckle. Similarly, the resonance of particles in the near field can lead to acoustic scattering, but it is not directly related to the formation of speckle patterns.
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When comparing groups of stars, which group has relatively
low luminosities and temperatures?
Select one:
O a. Supergiants
O b. Red dwarfs
O c. Main sequence
O d. White dwarfs
Check
Answers
A train increases its speed steadily from 10 m/s to 20 m/s in
1 minute.
a What is its average speed during this time, in m/s?
Answers
Answer:
15m/s
Explanation:
add the two speeds and divide by 2
10+20=30
30/2=15
the amount of energy available per kilogram of the resource is called ____.
Answers
The amount of energy available per kilogram of the resource is called energy density.
Energy density is the amount of energy stored in a particular mass of a substance. Energy per unit volume or energy per unit of mass are both ways to express energy density. A high energy density means that more energy is stored in the same amount of mass or volume. Materials with a high energy density are regarded as ideal for producing energy.Energy density is determined by the mass and chemical structure of the material, which affects the potential amount of energy that can be extracted from it. Fossil fuels, for example, have a high energy density since they contain a large amount of potential energy that can be extracted via combustion. However, renewable energy sources like wind and solar have a lower energy density, and their potential energy output is determined by environmental conditions like wind speed and sunlight intensity.
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which color of visible light would have the least energy? which would have the most energy? how do you know?
Answers
The color of visible light that would have the least energy is red. On the other hand, the color of visible light that would have the most energy is violet.
This is because red light has the longest wavelength and the lowest frequency out of all the colors in the visible spectrum. Violet light has the shortest wavelength and the highest frequency out of all the colors in the visible spectrum.
This relationship between wavelength, frequency, and energy can be explained by the relationship between electromagnetic waves and energy. All electromagnetic waves, including visible light, have a certain amount of energy that is proportional to their frequency. The higher the frequency, the more energy the wave has.
This relationship can also be seen in the electromagnetic spectrum, where higher energy waves (such as X-rays and gamma rays) have shorter wavelengths and higher frequencies, while lower energy waves (such as radio waves) have longer wavelengths and lower frequencies.
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if you double the mass of an object while keeping the acceleration constant, you will double the force on the object halve the force on the object have no effect on the force of the object quadruple the force on the object
Answers
If you double the mass of an object while keeping the acceleration constant, you will double the force on the object.
According to Newton's second law of motion, the force acting on an object is directly proportional to the product of its mass and acceleration. Mathematically, this relationship is expressed as F = m * a, where F is the force, m is the mass, and a is the acceleration.When the acceleration is held constant and the mass is doubled, the force on the object will also double. This can be understood by rearranging the equation to F = (m * a) / 2 and observing that the acceleration remains unchanged while the mass is doubled. As a result, the force must also double to maintain the balance of the equation.
Therefore, doubling the mass of an object while keeping the acceleration constant will double the force on the object.
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A Blowhard Tests of lung capacity show that adults are able to exhale 1.5 liters of air through their mouths in as little as 1.0 second.
If a person blows air at this rate through a drinking straw with a diameter of 0.55 cm, what is the speed of air in the straw?
If the air from the straw in part A is directed horizontally across the upper end of a second straw that is vertical, as shown in the figure(Figure 1), to what height does water rise in the vertical straw?
Answers
The speed οf air in the straw is apprοximately 63.24 m/s.
The water will rise tο a height οf apprοximately 204.9 meters in the vertical straw.
How Tο determine the speed οf air in the straw?Tο determine the speed οf air in the straw, we can use the principle οf cοnservatiοn οf mass. Since the vοlume οf air expelled in 1 secοnd is 1.5 liters, which is equivalent tο 0.0015 m³, we can calculate the speed using the equatiοn:
Speed = Vοlume / Area
The area οf the straw can be calculated using its diameter:
Area = π * (radius)²
Given that the diameter οf the straw is 0.55 cm, we cοnvert it tο meters by dividing by 100:
Radius = 0.55 cm / 2 / 100 = 0.00275 m
Substituting the values intο the equatiοn, we have:
Area = π * (0.00275)² ≈ 2.372e-5 m²
Nοw we can calculate the speed:
Speed = 0.0015 m³ / 2.372e-5 m² ≈ 63.24 m/s
Therefοre, the speed οf air in the straw is apprοximately 63.24 m/s.
Fοr part B, we need tο cοnsider the Bernοulli's principle, which states that as the speed οf a fluid increases, its pressure decreases. When the air blοws hοrizοntally acrοss the upper end οf the vertical straw, it creates a lοw-pressure regiοn abοve the water level, causing the water tο rise in the vertical straw.
The height tο which the water rises can be determined using the equatiοn:
Pressure difference = ρ * g * h
where ρ is the density οf water and g is the acceleratiοn due tο gravity.
Since the pressure difference is caused by the speed οf air, we can use the equatiοn:
Pressure difference = 1/2 * ρ * v²
where v is the speed οf air.
By equating the twο pressure differences, we have:
1/2 * ρ * v² = ρ * g * h
Simplifying the equatiοn, we find:
h = v² / (2 * g)
Substituting the values, we get:
h = (63.24 m/s)² / (2 * 9.8 m/s²) ≈ 204.9 m
Therefοre, the water will rise tο a height οf apprοximately 204.9 meters in the vertical straw.
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as you roll a ball a hill , the ball's instantaneous velocity
a, increases
b, remains the same
c, decreases
Answers
Answer:
I'm not sure
Explanation:
the balls instantaneous velocity increases
What two properties of a planet must be known to determine its average density?
Answers
To determine the average density of a planet, two properties are required. These are the planet's mass and volume.
What is Density? Density is a measure of the mass of an object in a given volume. It is calculated by dividing the mass of an object by its volume. The formula for density is given by;
Density = mass/volume
Where density is measured in kilograms per cubic meter (kg/m³), mass is measured in kilograms (kg), and volume is measured in cubic meters (m³).
What is the importance of the average density? Average density is an important characteristic of planets because it offers insight into their structure and composition. For example, a planet with a low density would be less dense than an iron-rich, high-density planet.
Similarly, if a planet is denser than expected, it is likely that the core of the planet is iron-rich, which has a high density.
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A 45 kg swimmer starting from rest can develop a maximum speed of 12 m/s over a distance of 20 m. How much net force must be applied to do this?
Answers
KE = kinetic energy = (1/2)mv2
m = 45 kg
vo = 0 m/s (starts at rest)
vf = 12 m/s (final speed)
If a 45 kg swimmer starting from rest can develop a maximum speed of 12 m/s over a distance of 20 m , then the net force must be applied to this would be 162 Newtons .
What is work done?The total amount of energy transferred when a force is applied to move an object through some distance .
Work Done = Force × Displacement
As given in the problem a 45 kg swimmer starting from rest can develop a maximum speed of 12 m / s over a distance of 20 m.
The total work done = 0.5 × 45 × 12²
= 3240 Joules
3240 = Force × 20
Force applied on the crate = 3240 / 20
= 162 Newtons
Thus, the net force that must be applied to this would be 162 Newtons .
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Which model best represents the results the student would expect to see if the dialysis bag filled with a 5% starch solution is placed in distilled water for one hour?.
Answers
The model that best represents this phenomenon is called Osmosis
In osmosis, a semi-permeable membrane allows the solvent to pass from a higher solvent concentration to a lower solvent concentration (or, to put it another way, from a lower solute concentration to a higher solute concentration).
As a result, the dialysis bag with the highest concentrated starch solution will absorb the most water from the outside (present in the beaker).
Line A thus displays the information gathered from the bag containing the highest concentrated starch solution.
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Which statements describe how self-reflection can benefit students? Check all that apply. It allows students to better understand what they are learning. It ensures that students understand what they are learning. It helps students perform better on tests and homework assignments. It helps students recognize when they need help in class. It helps students save time when studying for tests.
Answers
Answer:
a c d
Explanation:
yeet
Answer:
a c d
Explanation:
as light moves from air (n 1.00) to amber, it deviates 18 degrees from its 45 degrees angle of incidence. what is the speed of light in amber? express your answer as a fraction of the speed of light, c: for example, 1.50 x 108 m/s
Answers
Fraction of the speed of light v = 1.93*108 m/s.
Using the given information,
Angle of refraction, = Angle of incidence - deviation = 45 - 18 = 27
Using snell's law for refractive index of amber
\(nairSin\thetaair = namberSin\thetaamber\)
1*SIn45o = nSin27o
n = 1.56
Now , Find the speed,
velocity = c/n where c = 3*108 m/s. speed of light
velocity = 3* \(10^{8}\) /1.56
v = 1.93* \(10^{8}\) m/s.
In several branches of physics, the speed of light in a vacuum, typically abbreviated as c, plays a crucial role. Exactly 299,792,458 meters per second is the speed of light, or c. (approximately 300,000 kilometres per second; 186,000 miles per second; 671 million miles per hour). The speed at which common matter or energy (and hence any signal conveying information) may move across space is limited by the special theory of relativity, and this speed is given by the constant c.
The speed of light is the same for all types of electromagnetic radiation, including visible light. Light and other electromagnetic waves appear to propagate instantly for many purposes in practice, but their limited speed has dramatic consequences over large distances and for experiments requiring high sensitivity. saw the stars
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