When unpolarized light is incident on a sheet of polarizing material with a transmission axis oriented vertically, what percentage of the light is transmitted through the material

The wire's magnetic field lines are circles that are perpendicular to the wire and have their centers on the wire.

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Answer:

d) the object gets bluer

blue wavelengths are shorter than red wavelengths (in the visible spectrum)

blue light will carry more energy than an equivalent amount of red light

The appearance of an object as it gets hotter is that the object gets bluer. Hence, option (d) is correct.

Wavelength is the separation between the equivalent points of two successive waves. When two points or particles are referred to be "corresponding points," it means that they are both in the same phase and have completed exactly the same portions of their vibration. Typically, the wavelength of transverse waves—those whose points advance at right angles to one another—is assessed from crest to crest or from groove to trough; for longitudinal waves—those whose points advance in the same direction—the wavelength is measured from compression to compaction or from rarefaction to rarefaction.

A wave train's speed (v) in a medium is equal to its frequency (f), hence the formula for wavelength is v/f. Wavelength is commonly represented by the Greek character lambda λ.

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A particle with a charge of 5. 0 μc is placed at the corner of a cube. the total electric flux through all sides of the cube is  7.1 × [tex]10^4 Nm^2/C[/tex].

Electric flux is a measurement of how many electric field lines are present at any given surface. It has a scalar value. Voltmeters are its SI unit. Gaussian Law It is known as a closed surface when the total flux linked inside it is equal to one zero times the total charge contained within it.

The electric flux is positive when electric lines emerge from a surface and negative when the same lines enter a surface.

Flux through any surface is given by;

                                        Φ[tex]= \frac{Q}{E}[/tex]

Where, E = The magnitude of the electric field.

            Q = The charge of the particle.

If a corner atom is shared by eight neighboring such cubes, then one- eight part of the corner atom or particle contributes to each cube.

                            Φ [tex]= \frac{Q}{8E}[/tex] = [tex]\frac{5 * 10^-^6}{8*8.5 * 10^-^1^2}[/tex]

                                         = 7.1 × [tex]10^4 Nm^2/C[/tex]

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The critical value of t for a two-tailed test with 14 degrees of freedom using = 0. 5 is ±164.5577.

In hypothesis testing, critical values are one of the two approaches which allow you to decide whether to retain or reject the null hypothesis.

The critical value approach consists of checking if the value of the test statistic generated by your sample belongs to the so-called rejection region, or critical region, which is the region where the test statistic is highly improbable to lie. A critical value is a cut-off value (or two cut-off values in case of a two-tailed test) that constitutes the boundary of the rejection region(s). In other words, critical values divide the scale of your test statistic into the rejection region and non-rejection region.

To determine critical values, you need to know the distribution of your test statistic under the assumption that the null hypothesis holds. Critical values are then the points on the distribution which have the same probability as your test statistic, equal to the significance level α. These values are assumed to be at least as extreme at those critical values.

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Answer: = 25. 5 m

Explanation:

Solve for C using Pythagorean theorem:

1. [tex]\sqrt{a^{2}+b^{2} }=c[/tex]

2.  [tex]\sqrt{22.2 m ^{2} +12.6m^{2} } =c[/tex]

3. [tex]25.52646 m= c[/tex]

∴ Magnitude of the vector is 25.5 m

0.600

In a regression analysis, if sse = 200 and ssr = 300, then the coefficient of determination is: 0.600

1. You have that the data set having SSR=300 and SSE=200

2. Therefore you have the coefficient of determination is:

r²=SSR/SSTO

SSTO=SSR+SSE

3. Then, when you substitute the values, you obtain:

SSTO=200+300

SSTO=500

r²=300/500

4. So, you have that the result is:

r²=0.6

As a result, as you can see, the solution to the previous exercise is that the coefficient of determination is 0.6

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Based on the document attached, the  small bar magnet will be oriented when placed at position X is option d:

The orientation of the magnets   is known to be one that do affect its magnetic force. Atoms atoms, such as iron, are known to often gives a stronger magnetic force when compared to other atoms.

These atoms can be seen as tiny magnets, that has the north and south of each pole. If the poles is known to be oriented in all directions, the material will not bring about a net magnetic force.

Therefore, Based on the document attached, the  small bar magnet will be oriented when placed at position X is option d because the shapes of the magnetic field lines in regards to the bar magnet are said to be closed.

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160 W rate it will radiate.

The Kelvin scale, where 0 represents absolute zero, is used to measure absolute temperature. The temperature at which matter's particles move the least and cannot cool down is known as the zero point (minimum energy)

The lowest energy state for a thermodynamic system is absolute zero. In terms of temperature, it is equivalent to 459.67 °F in Fahrenheit and 273.15 °C in Celsius.

The temperature of an object on a scale where 0 is assumed to be absolute zero is known as its absolute temperature, also known as thermodynamic temperature. The Kelvin and Rankine scales measure absolute temperature.

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A stock tank heater rated at 1500 watts will use 1,29,600 kJ of energy in a 24 hour period.

Given :

We know that

Energy = Power x time

E = P * t

E = 1500 x 24 x 3600

E = 129600000 J ( or 129600 kJ)

Hence, a stock tank heater rated at 1500 watts will use 1,29,600 kJ of energy in a 24 hour period.

The formula that links energy and power is:

Energy = Power x Time.

The unit of energy is the joule, the unit of power is the watt, and the unit of time is the second.

If we know the power in watts of an appliance and how many seconds it is used we can calculate the number of joules of electrical energy which have been converted to sortie other form.

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The ratio of their amplitudes will be 2.41.

To find the answer, we have to know more about the simple harmonic motion.

                        [tex]E_1=5.8E_2\\m_1=m_2 \\\omega_1=\omega_2[/tex]

                        [tex]A=\sqrt\frac{2E}{k} \\k=m\omega^2[/tex]

                      [tex]\frac{A_1}{A_2} =\sqrt{\frac{E_1}{E_2} } =\sqrt{\frac{5.8E_2}{E_2} } =2.41[/tex]

Thus, we can conclude that, the ratio of their amplitudes will be 2.41.

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The voltage remain constant

According to Ohm's Law:

V = IR

If we halved the resistance let:

R'=R/2

then

I'=21 in order to kept the Voltage same. Also the resistance is the opposition to the current. So, if resistance will halved then obviously current will double

So when we put these value in to Ohm's Law the results is:

V'=I'R'

V'=21(R/2)

V'-IR which is equal to first voltage. Hence,

V'=V

So, the voltage remains same

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The “Generators” generate current, and transformers convert between current and voltage. According to Faraday's law, the magnetic flux enclosed by a closed path changes at a time rate whose negative is equal to the electromotive force surrounding the way.

Generators are machinery that transforms mechanical energy into electrical energy. A static device called a transformer is used to move electrical energy from one circuit to another. Magnetic coupling and electrical separation characterize a transformer.

A fundamental property of electromagnetism known as Faraday's law of induction describes how a magnetic field will interact with an electric circuit to produce an electromotive force or electromagnetic induction.

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a.  

b.

c.

A grade is the ratio of the vertical rise to horizontal run of a road

The coefficient of static friction is a number which shows the amount of friction between two surfaces.

Since grade = rise/run

= tan θ

So, θ = tan⁻¹(grade)

Since grade for Telegraph hill = 31.5%

= 31.5/100

= 0.315

θ = tan⁻¹(grade)

θ = tan⁻¹(0.315)

θ = 17.48⁰

So, the angle for telegraph hill is 17.48⁰

For no sliding the coefficient of static friction, μ ≥ tanθ

≥ tan17.48⁰

≥ 0.315

So, the coefficient of static friction has to be no less than 0.315

Since grade = rise/run

= tan θ

So, θ = tan⁻¹(grade)

Since grade for Canton Ave. = 37%

= 37/100

= 0.37

θ = tan⁻¹(grade)

θ = tan⁻¹(0.37)

θ = 20.3⁰

So, the angle for Canton Ave. is 20.3⁰

For no sliding the coefficient of static friction, μ ≥ tanθ

≥ tan20.3⁰

≥ 0.37

So, the coefficient of static friction has to be no less than 0.37

Since grade = rise/run

= tan θ

So, θ = tan⁻¹(grade)

Since grade for Bradford Street = 41%

= 41/100

= 0.41

θ = tan⁻¹(grade)

θ = tan⁻¹(0.41)

θ = 22.3⁰

So, the angle for Bradford Street is 22.3⁰

For no sliding the coefficient of static friction, μ ≥ tanθ

≥ tan22.3⁰

≥ 0.41

So, the coefficient of static friction has to be no less than 0.41

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The electric field between plates is 4000V/m.

An electric field (sometimes E-field) is the physical field that surrounds electrically charged particles and exerts force on all other charged particles in the field, either attracting or repelling them. It also refers to the physical field for a system of charged particles.

The value of the electric field has dimensions of force per unit charge. In the metre-kilogram-second and SI systems, the appropriate units are newtons per coulomb, equivalent to volts per metre.

The voltage between points A and B is

V=E.d

E =V/d  (uniform E- field only)  

where  d is the distance from A to B, or the distance between the plates.

Given:

distance d = 3 cm

voltage V = 120 V

Electric field E = V/d

                     E = 120 V / 3cm

                     E = 40 V / 1 cm               [ 1 cm = 1/100 m ]

                    E = 4000 V/m.

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The shortest time in which a car could accelerate from 0 to 70 mph is 3.193 seconds.

To find the answer, we have to know more about the friction.

                          [tex]v=u+at[/tex]

                        [tex]v=70mph=31.29m/s\\1mile=1609.3m,1hour=3600s\\u=0\\k_s=1\\k_k=0.8[/tex]

                    [tex]a=g*k_s=9.8*1=9.8m/s^2[/tex]

                    [tex]t=\frac{v-u}{a} \\t=\frac{31.29}{9.8}=3.193s[/tex]

Thus, we can conclude that, the shortest time in which a car could accelerate from 0 to 70 mph is 3.193 seconds.

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The change in heat q for the aluminum cup is 141 J.  

A substance's heat capacity is the amount of heat needed to increase its overall temperature by one degree. The heat capacity is known as the specific heat capacity or the specific heat if the substance's mass is unity.

change in heat -

The amount of heat Q that is transported to create a temperature shift depends on the substance and phase involved, the mass of the system, and the magnitude of the temperature change. (A) The temperature change and the amount of heat transported are directly inversely related.

The answer's sign dig is determined by a calculation's lowest sign digits.

The solution will need 3 digits because the temperatures are provided with 3 significant digits and the specified heat has 3 significant digits (the mass has 4 significant digits).

31.91 g   * 0.903 J/g-C  *  (26.1 - 21.2 C) = 141 J

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The acceleration would be 1m/s²

putting pressure to a door to push or pull it. Because force is a vector variable, it has both magnitude and direction. Force is defined as the "product of mass and acceleration of a body," in accordance with Newton's second law.

Acceleration - any process that alters velocity. There are only two ways to accelerate: changing your speed or changing your direction, or changing both. This is because velocity is both a speed and a direction.

if the force applied is f

the mass of the object is m

and acceleration is a = 2m/s²

so the relation will be,

f = ma

f = m×2

ATQ,

Now, when mass is 2m

a = f/m

a = 2m / 2m

a = 1 m/s²

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If we increase the wavelength (λ), fringe width will increase and the interference pattern on the wall will spread out.

The double or two-slit interference is a demonstration that light and matter can display characteristics of both classically defined waves and particles.

It  also displays the fundamentally probabilistic nature of quantum mechanical phenomena.

During a two-slit interference experiment, a beam of light is aimed at a barrier with two vertical slits.

fringe width = λ L / D

where;

Thus, if we increase the wavelength (λ), fringe width will increase and the interference pattern on the wall will spread out.

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Government  should continue to fund fusion energy research because:

Fusion energy is the energy produced from fusion reactions.

Fusion reactions are a type of nuclear reaction in which small atomic nucleus are fused together to produce larger atomic nucleus with the release of large amounts of energy.

The Sun produces its energy from fusion reactions between hydrogen atoms to produce helium nucleus. This reaction takes place at very high temperatures.

It is important that the government continue to fund fusion energy research because:

In conclusion, the continuous government funding will make it possible to finally discover cheaper and more feasible ways to produce fusion energy.

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The reason the position of a particle cannot be specified with infinite precision is the uncertainty principle .

The position of a particle moving in a straight line is a vector which represents a point P on the line in relation to the origin O. The position of a particle is often thought of as a function of time, and we write x(t) for the position of the particle at time t.

The Heisenberg uncertainty principle is a law in quantum mechanics that limits how accurately you can measure two related variables. Specifically, it says that the more accurately you measure the momentum (or velocity) of a particle, the less accurately you can know its position, and vice versa.

The uncertainty principle (for position and momentum) states that one cannot assign exact simultaneous values to the position and momentum of a physical system. Rather, these quantities can only be determined with some characteristic “uncertainties” that cannot become arbitrarily small simultaneously

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High-frequency waves are (more-less) likely to ionize an atom because of their greater (energy speed) for low- radiofrequency is generally considered to be non-ionizing, while high- radiofrequency is generally considered to be ionizing.

Microwaves and radio waves are examples of radiofrequency (RF) radiation, which is at the low-energy end of the electromagnetic spectrum. It belongs to the non-ionizing radiation class. Non-ionizing radiation lacks the energy to expel an atom's electrons.

A minimally invasive procedure known as radiofrequency ablation, or RFA, reduces the size of tumors, nodules, and other growths in the body. RFA is used to treat a variety of ailments, such as benign and cancerous tumors, chronic venous insufficiency in the legs, and persistent back and neck pain.

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A galvanic cell is formed when two metals are immersed in solu- tions differing in concentration 1 when two different metals are immersed.

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The frequency of the re-emitted light is identical to that of the absorbed light.

To find the answer, we need to know more about the frequency of light.

                              [tex]frequency=\frac{c}{wave length}[/tex] , c is the speed of light.

Thus, we can conclude that, the re-emitted light's frequency matches the absorbed light's frequency.

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A subcritical state will result by flattening a critical mass of fissionable material into the shape of a hamburger.

To find the answer, we need to know about the critical mass.

Thus, we can conclude that, a subcritical state will result by flattening a critical mass of fissionable material into the shape of a hamburger.

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A atomic neutron particle that is attracting another atomic neutron is an example of the strong nuclear force acting in an atom (Option B).

The expression 'nuclear forces' makes reference to the attraction between different subatomic particles in a given nucleus of a particular atom, which represents the strongest force in the universe.

Subatomic particles include positively charged particles (i.e., protons), neutrally charged particles called neutrons, and electrically negative charged particles called electrons (e-).

In conclusion, a atomic neutron particle that is attracting another atomic neutron is an example of the strong nuclear force acting in an atom (Option B).

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If the galaxies that are being studied are very far away, it follows that the telescope with the biggest aperture possible should be used.

A telescope is a device that is used for the study of the outer space. The telescope can be mounted in an observatory and then used to observe the various galaxies that exist out there in space.

There are various kinds of telescopes that could be used for different kinds of studies that take place in outer space and these telescopes are quite responsible for the breakthroughs that we have so far experienced in the study of the occurrences in outer space.

Thus, if the galaxies that are being studied are very far away, it follows that the telescope with the biggest aperture possible should be used.

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The acronym FN on a force diagram would represent Normal Force. That is option C.

A force diagram is the type of diagram that illustrates the different types of forces acting on an object.

The types of forces that can be represented by a force diagram include the following:

The normal force (FN) is the force that is acting of the object which is perpendicular to the surface the object is in contact with.

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Answer:

C~

Explanation:

Fn is normal, if it's negative then it's most likely -Fn.

Have a good day.