what would be the distance between fringes (in cm) if the entire apparatus were submersed in water, whose index of refraction is 1.333?

Nmr spectroscopy, or magnetic resonance spectroscopy, is a very important tool in the determination of organic structures.

What is NMR spectroscopy used for?
NMR spectroscopy is the use of NMR phenomena to study the physical, chemical, and biological properties of matter. Chemists use it to determine molecular identity and structure. Medical practitioners employ magnetic resonance imaging (MRI), a multidimensional NMR imaging technique, for diagnostic purposes.

How is NMR spectroscopy used in the identification of organic molecules?
Nuclear Magnetic Resonance (NMR) is an important technique to elucidate unknown organic molecules. But its sensitivity is limited and many elements lack an NMR observable isotope. So a full structure elucidation relies on several spectroscopic techniques and is normally performed by an experienced spectroscopist.

What type of radiation is used for NMR?
Like all spectroscopies, NMR uses a component of electromagnetic radiation (radio frequency waves) to promote transitions between nuclear energy levels (Resonance). Most chemists use NMR for the structure determination of small molecules.

This technique relies on the interaction of a particular nucleus with a field followed by the absorption of energy of a specific , depending on the chemical environment of the nucleus with a nuclear, magnetic field followed by absorption of energy of a specific frequency depending on the chemical environment of the nucleus.

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What this tells Zoe about the substance is that 12 degrees Celsius is the average kinetic energy of the substance.

The temperature of a substance is defined as the average kinetic energy of all the atoms or molecules of that substance.

Also, the temperature of a substance is the measure of the degree of hotness or coldness of the substance.

The temperature of a substance can be measured with different units and they include the following;

Thus, the temperature of a substance tells about the average kinetic energy of the substance or the degree of hotness or coldness of the substance.

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Answer:

To add two non-collinear vectors, you first need to draw them on a coordinate plane so that their tails are at the same point. Then, you can use the "tip-to-tail" method to add the vectors. This involves drawing a vector from the tail of the first vector to the tip of the second vector, and this new vector is the sum of the two original vectors.

For example, if you have two non-collinear vectors, A and B, and you want to find their sum, you would first draw them on a coordinate plane so that their tails are at the same point. Then, you would draw a vector from the tail of vector A to the tip of vector B. This new vector, which is the sum of vectors A and B, is the result of adding the two vectors.

To calculate the sum of the vectors using the tip-to-tail method, you would simply add the x and y components of the two vectors separately. For example, if vector A has an x component of 3 and a y component of 4, and vector B has an x component of 5 and a y component of 6, the sum of the two vectors would be a vector with an x component of 8 and a y component of 10.

It's important to note that the sum of two non-collinear vectors is not necessarily a non-collinear vector. The sum of two non-collinear vectors can be a non-collinear vector, a collinear vector, or a zero vector (if the two original vectors are opposites of each other).

Light is bent when it travels through a diamond. If the light rays is 12° and the incidence angle is 30°, the refraction is 2.4.

Light waves alter in speed as they pass across the boundary that separates two materials with distinct densities, such as air and glass. Refraction is the term for how they change direction as a result.

The rate at which light will change as it travels through one medium before entering another. As a result, refraction happens. The change in medium has an impact on how light passes through air and into water.

Briefing:

Snell's law states:

n₁sinθ₁ = n₂sinθ₂

n₂ = sinθ₁/ sinθ₂

n₂ = sin(30)/sin(12

n₂ = 2.4

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Therefore, the large truck's net outward force is 88,060 lb. Its gauge pressure is 74 psi, and one tire's sidewall's total covered area is 1190 in2.

When compared to atmospheric pressure, gauge pressure is the amount of pressure. Gauge pressure is positive for pressure above atmospheric pressure and negative for pressures below it. In actuality, any fluid not contained in a rigid container will experience an increase in pressure due to atmospheric pressure. Because of Pascal's principle, this occurs. A diaphragm sensor can be used to measure gauge pressure, with one side of the diaphragm exposed to the pressure medium that needs to be measured and the other exposed to the surrounding atmospheric pressure.

Pg denotes gauge pressure, which has the following relationship to absolute pressure: Assuming that pa is the local atmospheric pressure, pg = p - pa. Example: The tire pressure is 32.0 psi, according to an automobile tire gauge. The surrounding atmosphere has a 14.2 psi pressure.

To monitor the pressure in a system as a quality control measure and to guarantee product consistency, pressure gauges are a crucial tool employed by industry. Pressure gauges keep an eye on the fluids, gases, and steam in a system to look for leaks or a buildup of pressure for safety reasons.

Gauge pressure = 74 psi

One sidewall area of tire = 1190 in2

Thus, the equation will be:

Net outward fore = Gauge pressure × Area of one sidewall of tire

Net outward force = 74 × 1190

Net outward force = 88,060 lb

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The mass defect of Fe -56 atom with a mass of 55.921 amu and having 26 protons and 30 neutrons is  0.52823 amu.

Mass defect is the difference in the original mass of the atom from the mass added by the mass of protons and neutrons. Let Mp be the mass of protons and Mn that of neutrons and mass of electrons is negligible.

mass defect Δ M = [Z Mp + (A-Z) Mn )] - Matom

Given mass of protons Mp = 1.00728 amu

Mn = 1.008665 amu.

Number of protons = 26 and neutrons = 30

Then, Δ M = [(26 ×1.00728 amu) + (30 ×1.008665 amu )] - 55.921 amu

                 =  0.52823 amu.

Hence, the mass defect of Fe- 56 is  0.52823 amu.

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The velocity of the balls after collision is 0.33m/s and the loss in kinetic energy is 0.126J

Inelastic collision occur when only the momentum is conserved but there is loss in kinetic Energy.

This means that the momentum before collision is equal to the momentum after collision.

therefore m1v1+(-m2v2) = (m1+m2)v . where v is the common velocity after collision. The negative sign shows that they are moving in opposite direction.

m1= 30g = 0.03kg

m2 = 15g = 0.015kg

v1 = 2m/s

v2 = 3m/s

0.03× 2- 0.015× 3= (0.03+0.015)v

0.06-0.045= 0.045v

0.015= 0.045v

divide both sides by 0.045

v = 0.015/0.045

v= 0.33m/s

the kinetic energy before collision = ½×0.03×2²+½×0.015×3²

= 0.06+0.068= 0.128J

kinetic energy after collision = ½× 0.045× 0.33² = 0.0025J

loss in kinetic energy= 0.128J -0.0025J = 0.126J

therefore the The velocity of the balls after collision is 0.33m/s and the loss in kinetic energy is 0.126J

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When a wheel has eight spokes and radius and angular velocity is given then the minimum speed that the arrow must have is 3.87 m/sec.

A bar or rod that connects the center of a wheel to its rim is known as spoke. The main purpose of spokes is to support structure of the wheel.

Given: radius = 29.5cm  and angular velocity = 2.14 rev/sec

length of arrow = 22.5cm

Angle between spokes = 2π/8 = π/4

Time taken to reach adjacent spoke =Ф/ω

= π/4/ 2.15 (2π)

= 0.058 sec

For the arrow to pass through spokes, time should be less than 0.058 sec.

Then, minimum speed = 22.5/100/0.058

= 3.87 m/sec

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As per the given statement, If there is to be no relative motion between the train and the edge of the platform the train should  move equally as compared to the rim speed of the rotating platform.

The motion of one moving body in respect to another fix body is termed as relative motion.

The velocity of one object in respect to the other one is know as their relative velocity. It is the time rate change of velocity of the first object with respect to the observer or the another object

Relative velocity of train to rotating platform = 0

hence,

as per the equation,

⇒the relative velocity(v)= vt-vp

⇒v relative=0

⇒0=vt-vp

⇒vt=vp

Hence, the velocity of train should be equal to the rim speed of rotating platform.

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The rate at which the skiers accelerate is 2.7 m/s.

What is force?

A force applied to a body can change the magnitude of the momentum or its direction or both. Newton's second law is one of the most important in all of physics. For a body whose mass m is constant, it can be written in the form F = ma, where F (force) and an (acceleration) are both vector quantities.

What is Ma in force?
Newton's second law is often stated as F=ma, which means the force (F) acting on an object is equal to the mass (m) of the object times its acceleration (a). This means the more mass an object has, the more force you need to accelerate it. And the greater the force, the greater the object's acceleration.

[tex]F=ma[/tex]

Given : m=48+61, F=290N

[tex]290=(48+61)*a\\a=290/109\\a=2.7 m/s^{2}[/tex]

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Answer:

oxygen, hydrogen, and sulfur. It has a molecular weight of 98.079 g/mol. H2SO4 works as an oxidizing and dehydrating agent.

Explanation:

Oxygen and hydrogen are the water elements made from nature

Answer:

3 elements:

Explanation:

H₂SO₄ is the chemical formula for Sulfuric Acid.

An element’s chemical symbol is a single capital letter or a capital letter followed by a lower case letter.

The subscript number after the element's symbol indicates how many of that atom are in the compound.  

Therefore:

(If there is no number after an element, assume there is one atom of that element).

Note:  If there is a number in front of the compound (the "coefficient"), multiply the subscript for each element by the coefficient.

Therefore, for H₂SO₄ there are:

Answer:

1 and 5

Explanation:

Kinetic energy is the energy that an object possesses due to its motion. Since the pendulum has 0 velocity at points 1 and 5, and it is at those points that the pendulum is furthest from its equilibrium position, we say that it has no kinetic energy and maximum potential energy.

Answer:

Build a fire

Explanation:

Answer:

DNA, nucleus, chromosomes

The correct statements are Stony meteorites come from the outer layers of larger objects and Most meteors come from comets.

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The efficiency of a solar cell is defined as the percentage of the total energy input that does useful work. Hence, this statement is true.

Efficiency of a solar cell refers to the ratio of solar cell result to input energy from the sun rays. Efficiency means an indicator that is used to compare the presentation of one solar cell to another. Efficient energy can be described as the process of make the amount of energy required to provide products and services become less than before. The example of efficient energy is insulating a building lets it to make less heating and cooling energy to get and maintain a thermal comfort. Energy-efficient homes and buildings use energy to heat a bit, cool, and run appliances and electronics, and energy-efficient manufacturing facilities use a bit energy to create items.

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The student should continue investigation as previous ones but increase the number of magnets.

In this investigation,

The rotation rate depends on voltage , number of loops and number of magnets.

In investigation 1 , voltage is changed keeping others constant.

In investigation 2 , number of loops is changed.

So in Investigation 3 , number of magnets should be changed.

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22.6m/s² will be the Acceleration needed by Elizabeth.

According to Newton's second law of motion, the force is equal to the product of the mass and acceleration of an object.

So the formula used will be,

F = ma

then, a = F/m

Where a is acceleration, F is force and m is the mass of the ball.

Then

a = 17/0.75 = 22.6

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Answer:

Use the own word element

Explanation:

Dont choose a decision that is too personal for others to read.

Carbonaceous Chondrites are rich in volatiles and thus provide the best samples of the solar nebula.

Meteorites may contain roughly spherical particles called “chondrules”, and these meteorites are accordingly called “chondrites.”

Chondrites which are often porous in structure and tend to be quite dark due to a large presence of organic, i.e., carbon-containing, substances, are called “carbonaceous chondrites.”

All Carbonaceous chondrites are rather porous and contain significant amounts of water and organic substances. So, they are rich in volatiles.

Carbonaceous chondrites are considered to be the most primitive objects in the solar system, and they can provide valuable insights into the conditions that existed during the very earliest days of the solar system. So, they are the best samples of the solar nebula.

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The cutoff wavelength and cutoff frequency of the photoelectric effect is  4.782 ×10⁻¹⁴ m and 0.627 × 10⁻⁶s⁻¹ respectively.

We are given that,

Work function =  Φ = 4.14ev

The work function relation can be given by the formula ,

Φ = hc/λ

Where,  Φ is the work function , h is the plank's constant , c is the speed of light , λ is the wavelength of the light,

Putting the values in the above equation to get wavelength of light,

λ = hc/ Φ

λ  = [(6.62607015 × 10⁻³⁴J-S)(3 × 10⁸m/s)]/ 4.14ev

λ = 4.782 ×10⁻¹⁴ m

The frequency can be calculated by the formula ,

ν = c /λ

ν = (3 × 10⁸m/s)/(4.782 ×10⁻¹⁴ m)

ν =0.627 × 10⁻⁶s⁻¹

Therefore ,the cutoff wavelength and cutoff frequency of the photoelectric effect would be  4.782 ×10⁻¹⁴ m and 0.627 × 10⁻⁶s⁻¹ respectively.

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Answer

Explanation: Ok so I had a lot of trouble with this too. What I did was get some butter beans and put them under my pillow (If you don't have butter bens then butter works but must be unsalted country croks butter. I can't believe it's not butter will not work because the spirit people know and will put a spell on you. Then you get a 8lb. sweet potato and tie it to a piece of tweed and hand it on your fan at the highest setting until it flies out the string. Where ever it lands is where you sleep. Sleep with the potato where it landed. 30 minutes before you go to bed brush your teeth with a special drink.

Drink Ingredients:

2 spinach leaves

1 ounce of maple syrup

3 spoons of coco butter

1 rabbit ear

7 bear hairs

2 toe nail clipping form your dad (If you don't have one then I would give up)

When you drink this and go to sleep dream about the magical elves and eaves that will come to you in your dream. They'll give ask you a question where you will answer "Yes papas fritas"

A large disformed mutant will appear. Don't be afraid. Approach with confidence.

After that a glowing door will appear and BAM you're shifting.

*Pls note this could end in serious harm and danger I do not recommend attempting as it can result in death, a coma, or other injury. Have a Beautiful day :)

When a 30 micro of capacitor is attached to the a 9 v battery at its intermediate level, the equation states that 2.7μC is the charges on the capacitor.

A capacitor operates on the basis that capacitance of the a conductor exhibits rise when a grounding conductor is introduced near it. As a result, the capacitance has parallel plates that are spaced apart from one another and facing in opposing directions.

Two conductors that are separated from one another and positioned close to one another make up a capacitor, a electrical energy storage device. A parallel-plate capacitor is a simple example with one such storage device.

If we rearrange the previous formula to account for C=30F and V=9v in our issue, we can calculate the charge held in the capacitor:

             Q=CV

                =(30μF) (9v)

                =2.7μC

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The elastic potential energy will be =

For a)  7.5J

For d)  1687.5J

For g)  0.675J

For b) 11.718J

For e) 1267.5J

For h) 1080J

For c)  73507.5J

For f)  10.8J

For i)  18750J

According to the formula for calculating elastic potential energy,

Elastic potential energy (u) = 1/2 x spring constant x [tex](amount of extension)^{2}[/tex]

Let was calculate the value of 1/2 x spring constant to simplify the equation = 1/2 x 15 = 7.5

for a) 7.5 x [tex]1^{2}[/tex] = 7.5J

for d) 7.5 x [tex]15^{2}[/tex] = 1687.5J

for g) 7.5 x [tex]0.3^{2}[/tex] = 0.675J

for b) 7.5 x [tex]1.25^{2}[/tex] = 11.718J

for e) 7.5 x [tex]13^{2}[/tex] = 1267.5J

for h) 7.5 x [tex]12^{2}[/tex] = 1080J

for c) 7.5 x [tex]99^{2}[/tex] = 73507.5J

for f) 7.5 x [tex]1.2^{2}[/tex] = 10.8J

for i) 7.5 x [tex]50^{2}[/tex] = 18750J

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The zebra population is likely increasing because there is an abundance of food available in the savannah.

This is likely putting pressure on the small animal populations in the Red Gra, as zebra are competing for the same food sources.

To help prevent the small animal populations from going extinct, we could establish a protected conservation area for the small animals and limit the number of zebra that can graze in the area.

Additionally, we could introduce more vegetation to the savannah to provide more food sources for both the zebra and the small animals. This could help reduce competition between the two groups and create a more sustainable environment for all species.

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According to astronomers, the whole universe started with a giant explosion called as Big Bang. Big Bang theory shows that the universe is extended from high density state. It says that universe is made up of a single point, which stretched and explodes out and is still stretching.

There are some evidences for big bang, they are:

1) There are some red shifts of different galaxies which means that the universe is expanding.

2) Due to the expanding of universe, some of the new elements are created like hydrogen, deuterium, etc.

3) Microwaves are detected by orbiting detectors.

Thus, these parameters show that Big Bang theory is correct.

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If a full moon is visible on November 2, then waning crescent would be the next phase on November 13. If 21 October has waning crescent moon then 29 would have waxing crescent moon.

How long are moon phases?

Moon phases vary in length, depending on the position of the Moon relative to Earth. During a single orbit of the Moon, it passes through eight distinct phases, each lasting an average of three and a half days. The phases in order are the New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter and Waning Crescent. During a lunar cycle, the Moon passes through each of these phases in the same order, taking an average of 29 days, 12 hours, and 44 minutes to complete the cycle.

After 11 days a full moon transitions to a waxing crescent moon. After 8 days a waxing crescent moon goes from waning to waxing crescent moon.

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The rise in global temperatures over the last century can be explained by planetary motions that are false.

Global warming is an event where there is an increase in temperature in the atmosphere and the earth's surface (global temperature). An increase in temperature on earth will certainly have a considerable impact and cause a change in the ecological order of life.

Global warming occurs due to the process of increasing the average temperature of the atmosphere, sea, and earth's land. This phenomenon is triggered by human activities, especially those related to the use of fossil materials and land use change activities.

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Answer:

Two coins.

Explanation:

place the at the sharp point

Answer:

47 kJoules (kJ)

Explanation:

Potential enegy on Earth is given by the relationship:

P.E. = mgh, where m is mass, g is the acceleration due to Earth's gravity, and h is height. Since we are given metric values, we will look for an answer that is consistent with Joules, the metric measure of energy. 1 Joule is defined as 1 kg*m^2/s^2, so we wnat units of kg, m, and sec.

We are given:

m = 95kg

h = 50 meters

Earth's gravity, g is 9.8 m/s^2

Enter the data:

P.E. = mgh

P.E. = (95kg)(9.8m/s^2)(50m)

P.E. = 46550 kg*m^2/s^2 or 46550 Joules(J)

Since we only have 2 sig figs, and since 1kJ =- 1000J

We can state the potential energy is 47kJ.

Spiderman has 47kJ of potential energy for the start of any dive back to Earth. [He needed that same amount of energy to reach that height, but we don't know from where it came. A jump, helicopter, beamed up by Scotty, or tossed up by Doctor Octopus.]