If a particle is in a box with a ground state energy of 4 eV, what energy must be absorbed by the system to go from the n

White color is the result of adding various combinations of red, green, and blue primary light colors in equal intensities.

The three primary colors are Red, green, and blue. This implies that by additively combining the colors red, green, and blue in varied proportions the different color is obtained.

Practically all other colors may be made, and when the three primaries are mixed together in equal amounts, white is produced.

Hence white color is the result of adding various combinations of red, green, and blue primary light colors in equal intensities.

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The kinetic energy of the two-block system before the collision will be [tex]\frac{9}{2} MV_S^2[/tex]. Momentum get conserved during the collision.

The abrupt, violent coming together in direct contact of two bodies is known as the collision.a falling object and a floor are examples of collision.

According to the law of conservation of momentum, the momentum of the body before the collision is always equal to the momentum of the body after the collision.

According to the law of conservation of momentum;

Momentum before collision =Momentum after collision

[tex]\rm MV+2m(0)=(3M)V_S\\\\ V= \frac{3MV_S}{M} \\\\ V= 3V_S[/tex]

Velocity of the block before collision is [tex]\rm 3V_S[/tex].

The kinetic energy of the two-block system before the collision is found as;

[tex]\rm KE = \frac{1}{2} mv^2 \\\\\ \rm KE = \frac{1}{2} m(3V_S)^2 \\\\\ \rm KE = \frac{9}{2} MV_S^2[/tex]

Hence, the kinetic energy of the two-block system before the collision will be [tex]\frac{9}{2} MV_S^2[/tex].

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A collision is any situation in which two or more bodies quickly exert forces on one another.

Thus, The momentum of the body prior to the contact is always equal to the momentum of the body following the impact, according to the law of conservation of momentum.

The difference between the system's total kinetic energy before and after a collision can be used to categorize collisions in physics:

The collision is said to as being inelastic if the majority or all of the total kinetic energy is lost (dissipated as heat, sound, etc. or absorbed by the objects themselves); such collisions involve the objects coming to a complete stop.

Thus, A collision is any situation in which two or more bodies quickly exert forces on one another.

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Explanation:

V=C/n

Quartz: (3×10^8)/(1.54)=1.948×10^8 m/s

The higher the index of refraction the slower light will travel, so light will be slower in ruby.

Answer:

Stars that are more than 40 times more massive than our Sun, cannot expand into a red supergiant. This is because they burn too quickly and lose their outer layers fast. They will reach the blue supergiant stage, or perhaps yellow hypergiant, before returning to become hotter stars.

Explanation:

Answer:

Cause there bigger so they have a more hotter surface.

Answer:

Resistance / Edge 2022

Explanation:

This is late, but just in case someone needs the answer. Hope this helps!

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Tungsten metal is used exclusively for making the filament of electric bulbs because it has a very high melting point

Tungsten metal is used exclusively for making the filament of electric bulbs because it has a very high melting point. Due to its high melting point, the tungsten filament can be kept white-hot without melting away

Tungsten wire is used as the filament in light bulbs. It glows white-hot as current passes through it.

Tungsten is used in light bulbs because its high resistivity converts electric energy into light and heat.

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Answer:

Explanation:

egg of an ostrich is the biggest

The phenomena that support only the wave theory of light are Diffraction and Interference.

Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that is perceived by the human eye.

The light sometimes acts like a particle and sometimes like a wave, yet the diffraction and interference are proof of the light's wave nature.

First of all, as a definition, interference is an effect caused by the superposition of two systems of waves (from two different sources). (As an example, the interference -distortion- in radio waves)

Diffraction, by the other hand, refers to several events that occur when a wave meets an obstacle. (usually described as bending of waves around obstacles like the water waves- and in other cases as the dissemination of waves, once they passed small openings)

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Answer:

interference, diffraction, scattering, dispersion, polarisation etc.Explanation: edge

The forces exerted on a charge will be 3.75 N.The force acted on the charge due to the electric field.

The electric force between the two charges is directly propotional to the product of the charge and inversly propotional to the square of the distance between them.

The given data in the problem is;

F is the force exerted

q is the charge = 2.5 µc

[tex]\rm \alpha[/tex] is the angle = 90°

B is the magnetic field = 3.0 × 10² T

v is the velocity = 5.0 × 103 m/s

Force on the moving charge is found as;

[tex]\rm F = q V B sin \alpha \\\\ F = 2.5 \times 10^{-6} \times 3 \times 10^{-2} \times 5 \times 10^3 \\\\ F=3.75 \ N[/tex]

Hence the force exerted on a charge will be 3.75 N

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Answer:

He did not find out any other force

Explanation:

Maybe the answer is that newton found out that the same force causes the earth rotating around the sun.

Answer:

C

Explanation:

I got it right on edge 2022

Answer:

c

Explanation:

because im hot

Let's see

#1

[tex]\\ \rm\Rrightarrow v=f\lambda[/tex]

[tex]\\ \rm\Rrightarrow v=75(4.13)[/tex]

[tex]\\ \rm\Rrightarrow v=309.75ms^{-1}[/tex]

#2

New frequency:-

[tex]\\ \rm\Rrightarrow v=150(4.13)[/tex]

[tex]\\ \rm\Rrightarrow v=619.5ms^{-1}[/tex]

(i) See the attachment.

(ii) (a) 2.4 Ω, (b) 2.5 A, (c) 1.0 A

Explanation:

(ii) (a) If the resistance of the parallel combination is Rρ, then

[tex] \frac{1}{Rρ} = \frac{1}{4} + \frac{1}{6 } \\ = > \frac{3 + 2}{12} = \frac{5}{12 } \\ or \\ Rρ = \frac{12}{5} Ω = 2.4Ω[/tex]

(b) Let the current through the battery be I, then,

[tex]I = \frac{V}{Rρ} = \frac{6}{2.4} \\ I = 2.5 \: Α[/tex]

(c) The potential difference across each resister is V = 6 volt (same as of the battery) since they are in parallel.

Current through 4 Ω resister :-

[tex]I₁ = \frac{V}{R₁} = \frac{6}{4} \\ I₁ = 1.5 \: Α[/tex]

Current through 6 Ω resistor :-

[tex]I₂ = \frac{V}{R₂} = \frac{6}{6} \\ I₂ = 1.0 \: Α \\ \\ Note \: that \: I \: = I₁ \: + I₂.[/tex]

Answer:

They have similar temperatures and moisture properties.

Answer:

Nebulae

Explanation:

Hope this helps!

Answer:

D nebulae

Explanation:

Answer:

all subjective study or experiment if the correct answer of given statement

Answer:

science is a practical yet knowledge based subject based of the way of subtle nature and way everything works . neither theory nor law . science is a thing that constitutes both in a way further understandable and easy . hope it solved you query

The work done by the horizontal component of force is 18.89 Joules while the vertical component of the force is 13.22 Joules.

The work done on an object, is the product of the force F and the distance S in the direction of the force. That is,

W = F x S

The S.I unit of work is Joule

Given that a force of 36N acts at an angle of 55 degrees to the vertical. The force moves its point of application by 64 cm in the direction of the force

To calculate work done by:

(A) the horizontal component of force;

Force F = 36Sin55 = 29.489N

W = 29.489 x 64/100

W = 18.87 J

(B) the vertical component of the force;

Force F = 36Cos55 = 20.649

W = 20.649 x 64/100

W = 20.649 x 0.64

W = 13.22 J

Therefore, the work done by the horizontal component of force is 18.89 Joules while the vertical component of the force is 13.22 Joules.

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Answer:

The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged)

Explanation:

The function of the load in an electric circuit is it safely opens and closes the circuit. Thus, the correct option is D.

An electrical load is an electrical component or a portion of the electric circuit which consumes electric power, such as electrical appliances and lights inside the house. The electric loads may also refer to the power consumed by a circuit. This is opposite to a power source, such as a battery or a generator, which produces electric power.

The base load power plants typically are the coal-fueled or nuclear plants due to their low-cost fuel and steady state power they can produce in a plant. The hydropower and geothermal power plants can also be used for the purpose of base load electricity generation if those resources are regionally available.

Therefore, the correct option is D.

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Answer:

real

Explanation:

Question :-

Answer :-

[tex] \rule {180pt}{2pt} [/tex]

Given :-

To Find :-

Solution :-

As per the provided information in the given question, we have been given that the Resistance of the Device is 20 Ohm's. It's Current is given as 15 Ampere . And, we have been asked to calculate the Voltage .

For calculating the Voltage , we will use the Formula :-

[tex] \bigstar \: \: \: \boxed {\sf { \: Voltage \: = \: Current \: \times \: Resistance \: }} [/tex]

Therefore , by Substituting the given values in the above Formula :-

[tex] \Longrightarrow \: \: \: \sf { Voltage \: = \: Current \: \times \: Resistance } [/tex]

[tex] \Longrightarrow \: \: \: \sf { Voltage \: = \: 15 \: \times \: 20 } [/tex]

[tex] \Longrightarrow \: \: \: \bf { Voltage \: = \: 300 } [/tex]

Hence :-

[tex] \underline {\rule {180pt}{4pt}} [/tex]

Additional Information :-

[tex] \Longrightarrow \: \: \: \sf {Voltage \: = \: Current \: \times \: Resistance} [/tex]

[tex] \Longrightarrow \: \: \: \sf {Current \: = \: \dfrac {Voltage}{Resistance}} [/tex]

[tex] \Longrightarrow \: \: \: \sf {Resistance \: = \: \dfrac {Voltage}{Current} } [/tex]

Answer:

300 volts

Explanation:

now in this question we have been given our resistance which is 20 ohms and our current which is 15A

using ohm's law

V=IR

where v is voltage, I is current and r is resistance

now substitute,

V=15 x 20

V=300

I hope I helped

Answer:

The angular speed of the system increases because the moment of inertia of the system has decreased.  

Explanation:

Answer:

1 Atm (atmospheric pressure) is equal to 101325 pascal (Pa). To convert atm to pascal, multiply the atm value by 101325. atm to pascal formula. Pa = atm * 101325.

Explanation:

Answer:

sup cuh, the answer is, 15 5/8 mm3

Explanation: i did the math.

Answer:

The Balmer series is given by

1 / λ = R (1 / 2^2 - 1 / n^2)

where R is the Rydberg constant of 1.0968E-3 / Angstroms

(1 Angstrom = 1.0E-1 nm = 10E-10m)

Let x = (1 / 4 - 1 / n^2)

x = 1 / (R λ)

Note 410 nm = 4100 A

x = 1 / (1.0968E-3 * 4.1E3) = 1 / (1.0968 * 4.1) = .222

If we write

x = 1/4 - 1/n^2 = .222

1/n^2 = 1/4 - .222 = .0276

n^2 = 36.2

So n = 6

(Since modern terminology gives wavelengths in nanometers - it might be helpful to write R = 1.0968E7 m-1)

Explanation:

The speed of light in air is approximately 300,000,000 meters per second. The speed of sound in air is approximately 343 meters per second. Light is the propagation of electromagnetic waves, while sound is the physical vibration of the medium

Answer: C.

Explanation:  Abrasion is where two things rub together causing friction, which in turn wears the rock down.

Answer:

A wave carries energy

Explanation:

Answer:

13 and 9

Explanation:

Coefficients are numbers that are being multiplied by a variable. In this case, 13 and 9 are being multiplied by x and y, so they are the coefficients. 77 and 11 are constants.