Describe the process that early periodic table organizers used to try and put elements into some sort of order

The specific latent heat of fusion for the substance in question 1a is 80 kJ/kg, and the specific latent heat of vaporization for the substance in question 1b is 250 kJ/kg.

To learn more about The specific latent heat of fusion refer to:

https://brainly.com/question/87248

#SPJ1

When plug fuses are used on all new installations such as in a disconnect switch for a clothes dryer, the fuses must be type S.

Type S fuses are also called tamper proof fuses because each fuse size has a different base and thread size.

These fuses also require the use of a special adapter which is screwed into the standard Edison base of the fuse holder.

Thus, when plug fuses are used on all new installations such as in a disconnect switch for a clothes dryer, the fuses must be type S.

Learn more about fuse here: https://brainly.com/question/20877754

#SPJ1

Answer:

F_B = 0.12N

Explanation:

In order to calculate the magnetic force on the charge, you use the following formula:

\(\vec{F_B}=q\vec{v}\ X\ \vec{B}\)          (1)

q: charge of the particle = 4μC = 4*10^-6 C

v: speed of the charge = 7.5*10^4 m/s

B: magnitude of the magnetic field = 0.4T

The direction of the motion of the charge is perpendicular to the direction of the magnetic field. Then, the magnitude of the magnetic force is:

\(F_B=qvBsin90\°\\\\F_B=(4*10^{-6}C)(7.5*10^4 m/s)(0.4T)=0.12N\)

The magnetic force on the charge is 0.12N

Answer:

47.515 cm²

In meter square= 4.7515 *10^-3 m²

Explanation:

The radius of a circle = 5.5 cm

In meter= 5.5*0.01

= 0.055 m

the circumference= 34.56 cm

in meters = 34.56 cm*0.01

= 0.3456 meters

the area= 95.03 cm²

in square meters =95.03*(0.01)²

in square meters= 9.503*10^-3 m²

. area under the curve at the right

= Area of semi circle

= Area of circle/2

= 95.03 /2

= 47.515 cm²

In meter square= 4.7515 *10^-3 m²

Explanation:

what is the question? could you pls provide it

The equation that shows the relationship between X₁ and X₂ in the springs is X₁ = 4X₂.

From the complete question, for case I, the two springs stretch up to the distance of X₁. Therefore, f = mg = kx₁.

For case 2, f = mg = kx₂.

Therefore, we'll equate the equations. This will be:

Kx₁ = Kx₂

(K/2)x₁ = (2k)x₂

K(x₁/2) = k(2x₂)

X₁/2 = 2x₂

X1 = 2 × 2x₂

X₁ = 4X₂.

In conclusion, X₁ = 4X₂.

Learn more about equations on:

https://brainly.com/question/2972832

X₁ = 4X₂ is the equation that shows the connection between X₁ and X₂ in the springs.

The force required to extend or compress a spring by some distance scales linearly with respect to that distance is known as the spring force. Its formula is

F = kx

For case 1;

f=mg=kx₁

For case 2;

f=mg=kx₂

After equating the equation we get;

\(\rm Kx_1 = Kx_2 \\\\ \frac{K}{2}x_1 = (2k)x_2 = k(2x_2) \\\\ \frac{x_1}{2} =2x_2\\\\ x_1 = 4x_2\)

Hence  X₁ = 4X₂ is the equation that shows the connection between X₁ and X₂ in the springs.

To learn more about the spring force refer to the link;

https://brainly.com/question/4291098

#SPJ4

If an object has a mass of 47 kg and it is moved 27 meters in 60 seconds, the power used to move the object is 134.9 W.

The formula for power is given as:

Power = Work / Time

where Work is the amount of work done, and Time is the time taken to do the work.

To find the work done, we can use the formula:

Work = Force x Distance

where Force is the force required to move the object, and Distance is the distance moved by the object.

Since no force is given, we can assume that the object is moved with a constant speed, which means that the force required is equal to the force of friction opposing the motion of the object.

To find the force of friction, we can use the formula:

Force of Friction = Coefficient of Friction x Normal Force

where Coefficient of Friction is the coefficient of static friction, and Normal Force is the force exerted by the ground on the object.

Since the object is not accelerating, the force of friction is equal and opposite to the force applied to the object, which is equal to its weight.

Weight = Mass x Gravity

where Mass is the mass of the object, and Gravity is the acceleration due to gravity.

Substituting these values, we get:

Weight = 47 kg x 9.81 m/s^2

Weight = 461.07 N

Force of Friction = 0.65 x 461.07 N

Force of Friction = 299.7 N

Work = Force x Distance

Work = 299.7 N x 27 m

Work = 8091.9 J

Now, we can calculate the power used using the formula for power:

Power = Work / Time

Power = 8091.9 J / 60 s

Power = 134.9 W

Therefore, the power used to move the object is 134.9 W.

To know more about power please refer: https://brainly.com/question/29974639

#SPJ1

Answer:

He is running at the speed of 20*5/18 m/s

so for 400m ,he takes

400/(20*5)/18 = 72 sec

= 1 . 2 min =6/5 min

The redshift (z) of the galaxy is 0.0219, indicating its light has shifted towards longer wavelengths. This suggests the galaxy is moving away from us and the universe is expanding.

The redshift of a galaxy is a measure of how much its light has been stretched or shifted towards longer wavelengths due to the expansion of the universe. It is calculated by comparing the observed wavelength of a spectral line to its rest wavelength.

In this case, the Hα absorption line in the galaxy has a rest wavelength of 6,563 Å, but when measured, it is observed at 6,707 Å. Using the formula for redshift, we find that the redshift (z) is approximately 0.0219. This indicates that the galaxy's light has been shifted towards longer wavelengths, indicating that it is moving away from us and the universe is expanding.

In this case, the observed wavelength is 6,707 Å and the rest wavelength of the Hα absorption line is 6,563 Å. Plugging these values into the formula, we get:

z = (6,707 Å - 6,563 Å) / 6,563 Å

z ≈ 0.0219

Therefore, the redshift (z) of the galaxy is approximately 0.0219.

learn more about "wavelength ":- https://brainly.com/question/10750459

#SPJ11

False. A carbon-detonation supernova occurs in a single carbon-oxygen white dwarf star, not in a close binary system. The white dwarf undergoes a thermonuclear explosion due to the ignition of carbon fusion, leading to a supernova.

A carbon-detonation supernova does not start out as a white dwarf in a close binary system. Instead, it originates from a single carbon-oxygen white dwarf star. In a close binary system, where two stars orbit each other closely, a different type of supernova known as a Type Ia supernova occurs. In this case, the white dwarf accretes matter from its companion star until it reaches a critical mass, triggering a runaway nuclear fusion reaction and resulting in a supernova explosion. On the other hand, a carbon-detonation supernova is caused by the ignition of carbon fusion within a single white dwarf, without the involvement of a companion star.

learn more about carbon-detonation here:

https://brainly.com/question/31923721

#SPJ11

Answer:

Analyse the material required to build the instrument gauge and then keep a buffer stock of 1%

Explanation:

The right quantity to buy differs for every material. There are some materials which are very expensive and are very less used than buffer stock for such materials cannot be purchased. Usually the buffer is to be on the safe side from the shortage of the material. The buffer stock kept is around 1 to 2% for metal materials.

The medium for an ocean wave is the ocean water which involves movement on the water body.

This is defined as a substance or material that carries the wave. In the case of ocean waves, the medium is referred to the ocean water.

The medium is not transferred when a water wave moves on a lake as energy is transported but the water molecules aren't which is why lakes have water present in them.

Read more about Water waves here https://brainly.com/question/10732902

The top reaches an angular velocity of 28.28 rad/s when the string is fully unwound.

We can use the kinematic equation of rotational motion to solve this problem. The third kinematic equation relates the final angular velocity of a rotating object to its initial angular velocity, angular acceleration, and the angle through which it rotates:

\(\omega_f^2 = \omega_i^2 + 2\alpha\theta\)

where θ is the angle through which the object rotates.

The number of turns the body turns to unwind the string is calculated as,

\(n=L/(2\pi r)\)

\(n=80/(2\pi \times 2)\)

\(n=6.366\)

Therefore the angle turned by the body in unwinding the string is calculated as,

\(\theta = 2\pi \times 6.366 \ rad\)

\(\theta = 39.99\  radians\)

The initial angular velocity of the top is zero, the angular acceleration is \(10 \ rad/s^2\), and we need to find the final angular velocity when the string is completely unwound.

Substituting the values given in the problem into the equation, we get:

\(\omega_f^2 = 0 + 2\times 10 \times 39.99\)

Simplifying, we get:

\(\omega _f = 28.28 \ rad/s\)

Therefore, the final angular velocity of the top when the string is completely unwound is 28.28 rad/s.

Learn more about angular velocity:

https://brainly.com/question/29342095

#SPJ11

We want to find how much time will pass before the two cars collide. By using one as a frame of reference, we will see that 8 seconds elapse before the two cars collide.

The frame of reference is the point where the observer is at. For example, if we define one of the cars as a frame of reference, we will see that the selected car does not move (because we move with it, so we can't notice the movement).

Then the velocity of the selected car is "passed on" to the other car.

This means that if we select car A as our frame of reference, which moves at 30 m/s, then we will see that car A does not move, while car B moves with a speed of:

S = 20m/s + 30m/s = 50m/s

The velocities are added because the two cars move in opposite directions (So car A sees that car B comes faster than it actually does).

Now that we are on this frame of reference, we just need to see how long will take car B to travel 400 meters when it moves at 50 m/s

So we need to solve:

Distance/speed = time

With:

(400m)/( 50 m/s) = 8s

This means that 8 seconds elapse before the two cars collide.

If you want to learn more about frames of reference, you can read:

https://brainly.com/question/17548508

Answer:

Option B (350) is the correct answer.

Explanation:

Given:

The temperature is "88°F" i.e., x.

Let number of visitors be "y".

Let the two points will be:

84,225 = (x₁, y₁)

92, 450 = (x₂, y₂)

As we know,

⇒  \(y-y_{1}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}(x-x_{1})\)

On substituting the values, we get

⇒  \(y-225=\frac{450-225}{92-84}(88-84)\)

⇒  \(y=337.5\)

So that alternative B is the appropriate choice.

When they meet the 40-kg boy would have moved a distance of 6 m.

Apply the principle of center mass;

Take the 40 kg mass as the reference point;

X(40 kg) = (40kg x 0  + 60kg x 10 m)/(40 kg + 60 kg)

X(40 kg) = (600)/(100)

X(40 kg) = 6 m

Thus, when they meet the 40-kg boy would have moved a distance of 6 m.

Learn more about distance here: https://brainly.com/question/2854969

#SPJ1

Radiation is energy that comes from a source and travels through space at the speed of light. This energy has an electric field and a magnetic field associated with it, and has wave-like properties. You could also call radiation “electromagnetic waves”.

cdc

Cmax = 11 and Cmin = 9

When two vectors are added, let's say a and b, their resultant, let's say c is given by

c = √(a² + b² + 2ab cosΦ)

where Φ is the angle between them.

Assuming in given question a = 10 and b =1

so resultant c = √(10² + 1² + 2×10×1× cosΦ)

for Cmax, cosΦ = 1, a and b are parallel

so Cmax = √(a² + b² + 2ab)

Cmax = a + b

Cmax = 10 + 1

Cmax = 11,

similarly for Cmin, cosΦ = -1, a and b are antiparallel

so Cmin = √(a² + b² - 2ab)

Cmin = a- b

Cmin = 10 - 1

Cmin = 9

Therefore, Cmax = 11 and Cmin = 9.

To know more about vector addition, click here:

https://brainly.com/question/23867486

#SPJ12

Answer:3.0m/s

Explanation:

Answer:water

Explanation:

Water may be a nutrient that makes up 60% of our body weight. it's important in many functions, it's part of every cell in every tissue in the body.

Water carries other nutrients to all or any parts of the body, it carries waste out of the body and it helps to manage body temperature. When you run or play sports your body heats up pretty quickly.

Your body starts to sweat as a way to get rid of the heat. When the sweat evaporates on your skin your body and blood get cool. it's very important to replace the fluid that is lost by sweating so as not to become dehydrated.

If you get dehydrated the body cannot cool itself anymore and your performance will drop. Without enough water, whether you're exercising or sitting all day, you're at risk for dehydration which can be fatal

Learn more about essential nutrients at:https://brainly.com/question/28901805

Answer:

a compound

Explanation:

a compound

hope this helps

An atom is the smallest unit of matter that forms a chemical element. An atom is made up of three kinds of subatomic particles: electrons, protons, and neutrons.A molecule is a combination of atoms bonded together through a covalent bond. Generally, we think of molecules as having no charge (although molecular ions do exist)

The full three-dimensional strain tensor at the point

\(p = e_1 + 2e_2 + 10e_3\: is\: :\\epsilon =\left[\begin{array}{ccc}0.05x_2&0.05x_1&0\\0.05&0&0\\0&0&0\end{array}\right]\)

To calculate the full three-dimensional strain at the point \(p = e_1 + 2e_2 + 10e_3\), we need to find the components of the strain tensor \(\epsilon_m_n\).

The strain tensor εₘₙ can be calculated using the formula:

εₘₙ = (0.5) * (∂uₘ/∂xₙ + ∂uₙ/∂xₘ)

Given the displacement field u(x, t) with components:

u₁ = 0.1x₁x₂

u₂ = 0.1x₂ + 5

u₃ = 500

We can calculate the components of the strain tensor as follows:

\(\epsilon_1_1 = (1/2) * (\delta u_1/\delta x_1 + \delta u_1/\delta x_1)\\= (1/2) * (0.1x_2 + 0)\\= 0.05x_2\)

\(\epsilon_1_2 = (1/2) * (\delta u_1/\delta x_2 + \delta u_2/\delta x_1)\\= 0.05x_1\)

\(\epsilon _1_3 = (1/2) * (\delta u_1/∂x_3 + \delta u_3/\delta x_1)\\= (1/2) * (0 + 0)\\= 0\)

\(\epsilon_2_1 = (1/2) * (\delta u_2/\delta x_1 + \delta u_1/\delta x_2)\\= (1/2) * (0 + 0.1)\\= 0.05\)

ε₂₃ = (1/2) * (∂u₂/∂x₃ + ∂u₃/∂x₂)

= (1/2) * (0 + 0)

= 0

ε₃₁ = (1/2) * (∂u₃/∂x₁ + ∂u₁/∂x₃)

= (1/2) * (0 + 0)

= 0

ε₃₂ = (1/2) * (∂u₃/∂x₂ + ∂u₂/∂x₃)

= (1/2) * (0 + 0)

= 0

ε₃₃ = (1/2) * (∂u₃/∂x₃ + ∂u₃/∂x₃)

= (1/2) * (0 + 0)

= 0

Therefore, the full three-dimensional strain tensor at the point

\(p = e_1 + 2e_2 + 10e_3\: is\: :\\epsilon =\left[\begin{array}{ccc}0.05x_2&0.05x_1&0\\0.05&0&0\\0&0&0\end{array}\right]\)

Learn more about tensor here:

https://brainly.com/question/33394215

#SPJ11

The system you described, where a cart is initially pushed against a spring and then released, can be classified as option B: it is closed but not isolated.

This is because the system's energy (spring potential energy and cart's kinetic energy) and mass are conserved, but it is still influenced by external forces such as the spring force and potential friction.

spring potential is the potential energy stored in spring when it is stretched or deformed. It is equal to force multiplied by displacement. This energy is stored in the spring by virtue of its position. It is the work done to stretch the spring.

When spring is stretched, it undergoes displacement. It comes to its equilibrium position when force is removed. So, it exerts an equal and opposite force When it is stretched. Work is done by this force that is stored in the form of potential energy.

Since potential energy = force × displacement

and, force = spring constant × displacement

So, potential energy = spring constant × displacement²

Thus, PE = K × x²

Visit here to learn more about spring potential  : https://brainly.com/question/30765703
#SPJ11

Answer:

B

Explanation:

Chlorine institute

16+1=17

CI has 17 in the bottom.

Answer:C

Explanation:

If an astronomer wants to find the distance to a star that is not variable and is located too far away for parallax measurements, she can analyze the star's spectrum to determine its luminosity class, then interpret an H-R diagram to determine its luminosity.

Define Luminosity of a star?

Roman numerals are used to identify luminosity classes, which indicate where a star belongs on the H-R diagram. The luminosity class and spectral type each provide information about the star's radius and temperature.

Astronomers can determine a star's supergiant, giant, or main-sequence star status based on its luminosity class.

Hence, if an astronomer has to determine the distance to a main sequence star that is not variable and is too far away to be measured by parallax, she can determine the star's brightness or surface color and then identify it on the H-R Chart.

To learn more about luminosity of star from the given link

https://brainly.com/question/6933301

#SPJ4

The electric force (F) between 2 charges can be described through Coulomb's law. the factor of separation increased is 1/10.

Coulomb listed the following characteristics of the electric force for charges in a resting state: Unlike charges attract each other whereas like charges repel one another. As a result, a positive charge pulls a negative charge toward it whereas two negative charges repel one another. The line between the two charges is where the attraction or repulsion occurs. Coulomb force, also known as electrostatic force or Coulomb interaction, is the electric charge of a particle or object's ability to attract or repel other particles or things. Positive and negative charges, for example, attract each other because they have opposite charges. Similar charges will repel one another, such as two negative or positive charges.

to know more about electric force please visit.

https://brainly.com/question/20935307

#SPJ4

During phase shift, the substance's molecules' average kinetic energy remains constant.

Simply put, molecules move more quickly as kinetic energy rises. Nevertheless, molecules change phases when potential energy rises. The molecule changes phases as a result of an increase in potential energy.

In a phase change, matter moves from one state to another either by gaining energy through heat and entering a more energetic state, or by losing energy through heat and entering a state with lower energy.

The energy supplied during phase change is only used to separate the molecules; none of it is used to boost the kinetic energy of the molecules. Therefore, since the molecules' kinetic energy is constant, its temperature won't increase.

To learn more about kinetic energy refer to:

https://brainly.com/question/26472013

#SPJ4

The wires will be arranged in order of increasing resistance.

The resistance of a wire is given by

\(R=\frac{pL}{A}\)

where

p is the resistivity of the material

L is the length of the wire

A is the cross-sectional area of the wire

The only quantity that varies in this problem is the thickness, which corresponds to the value of A for each of the many wires, all of which are constructed of the same material and have the same length (same L).

Since the resistance R is inversely correlated with the cross-sectional area A, we can infer from the formula that the smaller the value of A, the higher the value of R. Accordingly, if we arrange the wires in decreasing order of thickness, we are actually doing so in increasing order of resistance.

Learn more about resistance:

https://brainly.com/question/25716257

#SPJ4