how does transfer of thermal energy by radiation differ from convection and conduction?how does transfer of thermal energy by radiation differ from convection and conduction?

When m, γ, and k are greater than or equal to 0 in the vertical mass-spring system with air resistance, the system will return to equilibrium as time tends to infinity.

In the given differential equation mu ′′+γu ′+ku=0, where m, γ, and k represent the mass, damping coefficient, and spring constant respectively, the terms involving these variables determine the behavior of the system.

When m, γ, and k are greater than or equal to 0, it implies that the mass, damping, and spring properties are non-negative. This means that the system has physical properties that allow for stability and convergence to equilibrium.

The term mu ′′ represents the inertia force, γu ′ represents the damping force, and ku represents the spring force. When these forces are balanced and there are no external forces, the system is in equilibrium.

In the absence of external forces and with non-negative values for m, γ, and k, the system's dynamics will eventually dampen out the initial displacement, bringing the system back to equilibrium. This behavior is observed as time tends to infinity.

The non-negativity of these parameters ensures that the forces acting on the system do not cause uncontrollable oscillations or instability, leading to a return to equilibrium over time.

Learn more about vertical mass

brainly.com/question/28228478

#SPJ11

Answer:

Activation Energy is required to kick start a reaction

Explanation:

At time t = 1 s, the particle's angular velocity is 6.28 rad/s (role="math" localid="1652184311109").

w = theta / t, where w = angular velocity, theta = position angle, and t = time, denotes the rate of change of an object's position angle with respect to time. Therefore, the wheel's angular velocity at t=15s t = 15 s is 8.33rad/s 8.33 r a d/s. A particle's instantaneous velocity, or v(t), is the derivative of its position relative to time. Therefore, v(t)=dxdt. This derivative is frequently represented by the symbols x(t) or just x. The amount of rotational angle (or angular displacement) made by a rotating body in one unit of time is known as its angular velocity.Omega () is used to represent it. Angular velocity is defined mathematically as rad/s = dtd. SI units are measured in radians per second.

Learn more about velocity from here:

https://brainly.com/question/18084516

#SPJ4

Answer:

The valency of atoms can be determined by looking at the groups of the periodic table. Hope this helps!

Explanation:

The electrical power supplied to the lamp is 100W when the p.d. across it is 24V and the current is 4.2 A.

Electrical power is the rate at which electrical work is done.

The unit of electrical power is Watts.

The experiment will require a 24V Battery, a Lamp marked 24V, 100 W, a key, wires, a rheostat, a voltmeter and an ammeter.

The circuit is completed and the rheostat is adjusted to provide until the voltmeter reads 24V.

The ammeter reading is taken as well.

When the voltmeter reading is 24V, it can be seen that' the ammeter reading for current is approximately 4.2 A.

Calculating, the power of the lamp:

Power = 24 × 4.2 = 100 W

Therefore, the electrical power supplied to the lamp is 100W when the p.d. across it is 24V and the current is 4.2 A.

Learn more about power and p.d. at: https://brainly.in/question/13629965

Answer:

What was your sleep situation like during your time in space? Did you get more or fewer hours of sleep than when you were on earth? I would be very interested in learning about their answer because they still have to perform tasks that require energy and obviously they would need to sleep but do they have to strap themselves down on a bed so they don't float away? Is it easy to fall asleep in space or would your body be confused because time is so much different that it doesn't even follow the same time zones as on earth? That is why I find this to be interesting for them to answer.

Did you have any activities to do aside from researching and your tasks that were mandatory? What would they have done in their free time? I can’t imagine simply doing work the whole time, did they get to bring along certain games or time wasters to do while in space? I would just be really curious to find out how they occupied their free time or if they even had free time.

What was the most difficult part about being in space? Was it terrifying or was the work overwhelming? Was it scary thinking about returning to earth or staying in space for too long? There are so many ways to answer this question so I would be very interested in understanding their fears and their reason for being afraid.

Explanation:

Answer:

C& D

Explanation:

ON EDG2020

Answer: Its C and D

Explanation:

edge

steadily along a uniform flow tube of cross section area 20cm². The total pressure is 3x104pa and static pressure is 2.5x104 pa. Calculate the velocity of the fluid.

Hi there!

If a +q charge is placed in the center of a hollow conductor, a charge of -q will be induced in the interior of the shell.

Thus, with the conservation of charge:

\(q_{outer} + q_{inner} = q_{total}\\\\q_{outer} - q = 9q\)

Solve for the outer charge:

\(q_{outer} = q + 9q = 10q\)

Therefore, the INTERIOR has charge -q and EXTERIOR has charge 10q.

Answer:

rrrrrrrrrrrr42rtwqr

Explanation:

ddddddddddddddddddddddddddeqret

The person has covered a distance of 6m.

Distance is the total length of the path covered by an object, whereas displacement is the change in position of an object from its starting point. In other words, distance is a scalar quantity that refers to "how much ground an object has covered," whereas displacement is a vector quantity that refers to "how far out of place an object is."

For example, if an object moves from point A to point B, the distance covered is the total length of the path from A to B, whereas the displacement is the shortest possible distance from A to B in a straight line. Displacement has both magnitude and direction, while distance only has magnitude.

The distance that has been covered by the person that has been moving can be obtained from;

2 m + 4m

= 6m

Lean more about distance:https://brainly.com/question/15172156

#SPJ1

if you see an irregular dark patch in a telescopic observation of a field of stars, it is likely a dark nebula or a molecular cloud. These dense regions of interstellar dust and gas block the light from the stars behind them, resulting in the appearance of an irregular dark patch.

In a telescopic observation of a field of stars, if you see an irregular dark patch, it is most likely a dark nebula or a molecular cloud. These are dense regions of interstellar dust and gas that block the light from the stars behind them. Dark nebulae are often seen against a brighter background of stars, and they appear as irregular, dark patches.

Dark nebulae are composed mainly of small solid particles, such as dust grains, which absorb and scatter the light passing through them. This absorption and scattering of light make the dark nebulae appear darker than the surrounding stars.

The presence of dark nebulae can indicate the presence of star-forming regions. Molecular clouds, which are a type of dark nebula, are often the birthplaces of new stars. The dense regions within these clouds can collapse under their own gravity, leading to the formation of stars.

In summary, if you see an irregular dark patch in a telescopic observation of a field of stars, it is likely a dark nebula or a molecular cloud. These dense regions of interstellar dust and gas block the light from the stars behind them, resulting in the appearance of an irregular dark patch.

To know more about irregular visit:

https://brainly.com/question/929013

#SPJ11

When the balloon comes in contact with the tissue paper  it will stick to the balloon because the tissue paper is positively charged.

Static electricity is the electrical current generated when a negatively charged material polarize other material temporarily. When a material is rubbed with a conducting surface it will gain electrons and become s negatively charged.

When this negatively charged body comes in contact with a nonpolar material, The non-polar one will be polarized partially and its positive charges will allocate near the negative charges.

When the balloon is rubbed on a wool it gans negative charges and the electrons from the balloon tends to attract the positive pole of the tissue paper and the paper will stick on it. Thus, option B is correct.

To find more on static electricity, refer here:

https://brainly.com/question/12791045

#SPJ6

The time it takes for light to travel across the Milky Way galaxy is approximately 102,000 years (to the nearest thousand)

The speed of light is 186,000 miles per second. The Milky Way galaxy has an approximate diameter of 6 × 10¹⁷ miles. Therefore, we can estimate the time it takes for light to travel across the Milky Way by dividing the distance by the speed of light. Using this formula, we can say that:

Time taken for light to travel across the Milky Way galaxy= 6 × 10¹⁷ miles/186,000 miles per second= 3.23 × 10¹² seconds.1 year has 365.25 days, and each day has 24 hours, each hour has 60 minutes and each minute has 60 seconds.

So the number of seconds in one year = 365.25 days × 24 hours × 60 minutes × 60 seconds= 31,536,000 seconds.

Therefore, we can determine the time it takes for light to travel across the Milky Way in years by dividing the time taken by the number of seconds in a year, as follows:

3.23 × 10¹² seconds/31,536,000 seconds per year= 1.02 × 10⁵ years.

Learn more about Time taken from the given link:

https://brainly.com/question/28271195

#SPJ11

Both stars A and B will have the same brightness to the earth because luminosity is dependent on the temperature and size where A is hotter but smaller and B is bigger but colder.

There are several factors that determine the luminosity of a star namely, the size, temperature, distance and magnitude. The two main factors that determine luminosity of a star when the distance is the same are temperature and size.

When the temperature of a Star is higher than the other with equal distance from the earth the star is brighter than that with lower temperature. Also, when the size of a star is bigger, it possesses a higher surface area to absorb light and energy. This makes A and B as bright as the other.

Learn more on luminosity here: https://brainly.com/question/28332746

#SPJ1

Answer:

I know I am a very good answerable teacher but I can't answer this question I don't know what

Answer:

28.63 m/s

Explanation:

When interpreting a hypothesis test, you should report the P-value and state whether it is smaller than the significance level alpha.

When interpreting a hypothesis test, it is crucial to report the P-value, which is a statistical measure that quantifies the strength of evidence against the null hypothesis. The P-value represents the probability of obtaining the observed data or more extreme results if the null hypothesis were true.

To interpret the hypothesis test correctly, it is important to compare the P-value to the significance level alpha. The significance level is predetermined and represents the threshold for accepting or rejecting the null hypothesis. If the P-value is smaller than alpha, it suggests that the observed data provides strong evidence against the null hypothesis. Conversely, if the P-value is greater than alpha, it implies that the evidence against the null hypothesis is not significant, and we fail to reject it.

Therefore, when interpreting a hypothesis test, it is essential to report the P-value and state whether it is smaller than the significance level alpha to determine the strength of evidence against the null hypothesis.

Learn more about Hypothesis

brainly.com/question/29519577

#SPJ11

Displacement is the movement of unfavorable emotions from one thing or person to another.

As a kind of self-preservation, displacement is the act of shifting one's unfavorable emotions from one thing or person to another.

According to the notion, releasing stress or worry on a non-threatening target helps a person deal with negative emotions like fear or rage.

For instance, if a person feels angry because their boss yells at them, they might project those feelings onto someone or something else, such a member of their family or a piece of furniture.

For fear of losing their work, the person could feel unable to face their manager. As a result, they might vent their rage on a less dangerous person like their partner or housemate.

Learn more about displacement here:

https://brainly.com/question/2109763

#SPJ4

An asphalt surface absorbs more solar energy than a cement surface. This difference is chiefly due to differences in color.

Solar energy is the radiant light and heat from the Sun.

Solar energy is very useful for energy generation and is captured by a variety of technologies, including solar architecture, solar thermal energy, and solar power to produce electricity.

Solar energy released by the Sun gets to the earth by means of radiation.

The ability of different substances to absorb radiation from the Sun differs according to the nature of the material.

Dark and dull surfaces absorb radiation from the Sun more readily than shiny and bright surfaces. Hence, dark surfaces are better radiators of solar energy.

For example, an asphalt surface is dark and dull compared to a cement surface which is shiny. Hence asphalt surfaces absorb more radiation than cement surfaces.

Learn more about radiation and solar energy at: https://brainly.com/question/14392965

#SPJ1

Answer:

Beyond the formation of iron, nuclear energy can be produced only by fission of heavy nuclei back toward lighter ones

The minimum uncertainty in the velocity of an electron is determined by the Heisenberg uncertainty principle and is given by Δv = Δp / me, where Δp is the uncertainty in momentum and me is the mass of the electron.

According to the Heisenberg uncertainty principle, there is an inherent limit to the precision with which certain pairs of physical properties, such as position and momentum, can be simultaneously known.

The uncertainty principle is mathematically expressed as Δx * Δp ≥ h/4π, where Δx is the uncertainty in position, Δp is the uncertainty in momentum, and h is the Planck constant.

In this case, we are given the range of position for the electron, which is between 0.050 nm and 0.10 nm from the proton. Let's assume the midpoint of this range, which is 0.075 nm, as the most probable position of the electron. Therefore, the uncertainty in position, Δx, is equal to half the range, which is (0.10 nm - 0.050 nm)/2 = 0.025 nm.

To find the minimum uncertainty in velocity, we need to calculate the uncertainty in momentum, Δp. Since the electron is in the vicinity of the proton, we can approximate its momentum as being dominated by the electrostatic interaction between the electron and proton.

Thus, we can use the classical expression for momentum, p = e * r, where e is the elementary charge and r is the distance from the proton.

Given that the distance r is 0.075 nm, the momentum p is approximately e * 0.075 nm.

To find the uncertainty in momentum, Δp, we take into account the uncertainty in position, Δx. Since Δx is small compared to the distance r, we can consider Δp ≈ (dp/dr) * Δx, where (dp/dr) is the derivative of momentum with respect to position.

Taking the derivative, (dp/dr) = e. Therefore, Δp ≈ e * Δx.

Substituting the values, Δp = e * 0.025 nm.

Finally, the minimum uncertainty in velocity, Δv, can be found by dividing Δp by the mass of the electron, me, using the equation Δv = Δp / me.

Substituting the values, Δv = (e * 0.025 nm) / me.

The numerical value of Δv depends on the specific units used for charge and mass, so the calculation will require the appropriate conversion factors.

Learn more about momentum:

https://brainly.com/question/1042017

#SPJ11

Concentrated solar power facilities are solar power—generating facilities that generate electricity at large centralized facilities and transmit that power to homes and businesses through the electric grid .

Solar power refer to electric power or electricity that is generated from sun rays or radiations while using solar panels and other technologies.

Therefore, Concentrated solar power facilities solar power—generating facilities that generate electricity at large centralized facilities and transmit that power to homes and businesses through the electric grid.

Learn more about solar power below

https://brainly.com/question/17711999

#SPJ12

Answer:

Crop rotation is the practice of growing a series of different types of crops in the same area across a sequence of growing seasons. It reduces reliance on one set of nutrients, pest and weed pressure, and the probability of developing resistant pest and weeds

A regular polygon's interior angles add up to 3060° of a 19 sided polygons.

Polygons are defined as a flat shape surrounded by sides, or line segments.

It can be defined as a plane figure whose description is given by a closed polygonal chain made up of a finite number of straight line segments.

It can also be defined as any closed curve made up of a number of connected line segments that do not cross one another.

Sum of interior angle = (p - 2) x 180°

Where p = 19

Sum of interior angle = (19 - 2) x 180°

                                   = 17 x 180°

                                   = 3060°

Thus, a regular polygon's interior angles add up to 3060° of a 19 sided polygons.  

To learn more about polygon's, refer to the link below:

https://brainly.com/question/24464711

#SPJ1

Answer:

bromine

Explanation:

Any element in the halogen group will have seven valence electrons. These elements include fluorine, chlorine, bromine, iodine, and astatine

Answer:

c,e,f,d

Explanation:

Answer:

Below are some of the important dates that led to the creation of the Constitution: 1775 — The Revolutionary War between the Colonies and Britain begins. ... 1781 — The last battle of the Revolutionary War takes place; the 13 states set up a federal government under laws called the Articles of Confederation.

Explanation:

please give me a heart

Answer:

The correct answer is true.