A light beam in air enters a transparent material at an angle of 38.00 degrees with respect to the normal. After refraction it makes an angle of 14.76 degrees with respect to the normal. Air has an ‘n’ of 1.000. What is this transparent material? USE SNELLS LAW

The maxiumum strength of the induced electric field in the capacitor that uses thick paper as dielectric material is 16 x 10⁶ V/m.

The maximum electric field strength above which an insulating material begins to break down and conduct is called its dielectric strength.

The dielelectric strength of paper is given as;

E = 16 MV/m = 16 x 10⁶ V/m

Thus, the maxiumum strength of the induced electric field in the capacitor that uses thick paper as dielectric material is 16 x 10⁶ V/m.

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Answer:

Chris lives farther from the school than Alex lives, and Chris walked to school at a faster rate than Alex walked.

Explanation:

Your driver's license is at risk of being cancelled if you have more than three traffic violations in one year​. The correct option is D.

The license by the central government to an individual to travel on road by his own vehicle on terms and conditions to be strictly followed.

When a driver is moving with his vehicle and come across the traffic signal, he must follow them. If he violates the traffic signals more than three times, he will get his license cancelled.

Thus, your driver's license is at risk of being cancelled if you have more than three traffic violations in one year​. The correct option is D.

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Answer:

Option 3

Explanation:

As the roots of the plant hold soil in place, it helps prevent soil erosion.

The other options are true, but they are not correct explanations as to why plants help prevent erosion.

Answer:

81000 j

Explanation:

KE = 1/2 m v^2 = 1/2  500  18^2 =

Answer:

I think it would be 0.13. I'm not 100% sure.

Answer:

6) Point G as it is the steepest.

7) Point G and F.

8) Between D and F.

9) Between C and D.

10) The skater will go slower with more friction and faster with less.

Explanation:

Answer:

sound requires a medium to be propagated

Explanation:

sound is a mechanical wave and thus requires a medium to be propagated.  Air this case is a medium of travel for the ringing bell in the chamber that is why sound can be heard. When air in the chamber it becomes a vacuum that is why sound is not heard

Options A and D are correct. The strength of the force of friction depends on the objects' sizes and weights and the heat generated by the friction and the types of surfaces involved.

It is a type of opposition force acting on the surface of the body that tries to oppose the motion of the body. its unit is Newton (N).

Mathematically, it is defined as the product of the coefficient of friction and normal reaction.

On resolving the given force and acceleration in the different components and balancing the equation gets. Components in the x-direction.

The strength of the force of friction depends on the two factors, as;

A. The objects' sizes and weights.

D. The heat generated by the friction and the types of surfaces involved.

Hence, options A and D are correct.

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The densities of the cannonball and the unknown liquid are 3.54kg/m³ and  2.686 kg/m³.

When an object is fully or partially submerged in liquid, the vertical upward thrust is acting on the object, this force is called the buoyant force.

Salt Water exerts a buoyant force to the cannon ball  = 124−89 = 35N, which equals the weight of water displaced.

The mass of water displaced is  

W/g =35/10 =3.5 kg.

Since the density of salt water is 1kg/L, the volume displaced is 3.5L.

Therefore the density of the cannon ball is  

=(124/10) /3.5 =3.54kg/L = 3.54kg/m³

The unknown liquid exerts a buoyant force of 124−30=94 N.

The density of this liquid is  (94/10) /( 3.5​ )=2.686 kg/liter = 2.686 kg/m³

Thus,  the densities of the cannonball and the unknown liquid are  3.54kg/m³ and  2.686 kg/m³.

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The symbol that represents the isotope that has a mass number of 238, and an atomic number of 92 is 238 subscript 92 upper u.

Isotopes are any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei.

This means that isotopes possess different mass numbers but the same atomic number.

According to this question, the mass number of an isotope of uranium is 238, and its atomic number is 92. This means that the symbol of this isotope is as follows: 238/92 U.

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Answer:

B. [tex]\frac{238}{92}[/tex] U

Explanation:

edge 2022

Answer:

Fuel switching

Explanation:

Adaptation

We know fuel will be finished one day so we are shifting to new fuel sources.

Answer:

Along path BC of the Otto cycle, heat transfer Qh into the gas occurs at constant volume, causing a further increase in pressure and temperature. This process corresponds to burning fuel in an internal combustion engine, and takes place so rapidly that the volume is nearly constant.

Answer:

Nuclear half-life expresses the time required for half of a sample to

Explanation:

401.06

He will also babble incoherently, soil his clothing with excrement, and hold a statue-like pose for hours at a time. Daniel can most likely be diagnosed with undifferentiated schizophrenia.

Schizophrenia called hebephrenic is the most serious of all and affects more young individuals, between 15 and 25 years of age. The disorder is marked by symptoms such as disturbed affect, irresponsible and unpredictable behavior, disorganized thinking, and incoherent speech.

Undifferentiated schizophrenia — this is the case for patients who may develop some of the characteristics of the other types, but do not fit neatly into any of them.

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Answer:

undifferentiated schizophrenia

Explanation:

Because charge is quantized, the answer is no.

Answer:

do you have an answer key

Explanation:

Answer:

The ball is moving in a horizontal circle.

The force acting towards the center of the circle is

F = M a = M * V^2 / R    

a = V^2 / R      simplifying equation

V = (a / R)^1/2 = (23 / .66)^1/2 = 5.90 m/s

Explanation:

1, 2,3, and 4 is correct.

Forces is a push or pull on an object. It can move an object.

Forces have a unit of Newton's

Force is a vector so it has direction meaning it can positive or negative, or north, South, East west

Step-by-step explanation :

Here we just need to see the resistors which are connected in series combination. (Remember that you need not to use the potential difference in this question because we aren't asked to calculate the current).

As we know that,

>> Rs = 50 + 100

>> Rs = 150Ω

Therefore,

When ice is melting, there is a change in the energies in it. Its potential energy increases, but the thermal kinetic energy or temperature remains constant.

Melting is the process when a solid or liquid changes its state. Melting requires latent heat to convert its phase from solid to liquid or liquid to vapor.

Therefore, when ice is melting,  Its potential energy increases.

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Answer:

An powerful concentrated outburst of electromagnetic radiation in the Sun's atmosphere is known as a Sun flare. They are common in active regions, and they are typically accompanied by coronal mass ejections, solar particle events, and other solar phenomena.

Answer: Within the visible range of light, red light waves are scattered the least by atmospheric gas molecules. So at sunrise and sunset, when the sunlight travels a long path through the atmosphere to reach our eyes, the blue light has been mostly removed, leaving mostly red and yellow light remaining.

Explanation:

A phrase which describes a scientific law is: a statement of how volume is related to its temperature.

A scientific law is a type of scientific statement and it can be defined as a statement of fact that is generally and universally accepted to be true and verified because it has always been proven and observed to be true.

This ultimately implies that, a statement of how volume is related to its temperature is a phrase which describes a scientific law.

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Answer:

False

Explanation:

The value of potential energy stored in the spring when the block is 6. 20 cm from equilibrium is 1.65 J.

The elastic potential energy is the energy which is stored in a stretched spring. The elastic potential energy of a spring can be found by the following formula.

[tex]U_s=\dfrac{1}{2}kx^2[/tex]

Here, (k) is spring constant and (x) is the displacement of the spring.

The block is pulled to a position xi = 6. 20 cm from equilibrium and released. Thus,

[tex]x=6.20\rm \; cm[/tex]

Divide with 100 to convert its unit in meter,

[tex]x=0.062\rm \; m[/tex]

Let the value of spring constant is 860 N/m. Thus, put the values in the formula,

[tex]U_s=\dfrac{1}{2}kx^2\\U_s=\dfrac{1}{2}(860)(0.062)^2\\U_s=1.65\rm\; J[/tex]

Thus, the value of potential energy stored in the spring when the block is 6. 20 cm from equilibrium is 1.65 J.

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Answer:Boiling at its boiling point

Explanation:

Answer:

the internet says it would be about noon

Explanation:

i dont know if its right but if it is could you please give me brainliest

In order to begin moving a Mass (Accelaration) will solve for the force required to move the skateboard. Mass(9.8) will give you the force needed to move the skateboard originally

Acceleration can be defined as the rate of change of velocity with respect to time, is a vector quantity associated with both magnitude and direction.

Acceleration can be up two types such as Uniform and Non-uniform acceleration,  in a circle where speed remains constant but  the direction is changing followed by velocity changes, and the body is said to be accelerated.

The average acceleration can be defined as the total change in velocity in the given interval period of time means the total time taken for the change. For a given interval of time, it is represented as ā.

Instantaneous acceleration can be defined as the ratio of change in velocity in a given time interval such that the time interval goes to zero.

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