A Young's interference experiment is performed with blue-green laser light. The separation between the slits is 0.500 mm, and the screen is located 3.24 m from the slits. The first bright fringe is located 3.30 mm from the center of the interference pattern. What is the wavelength of the laser light?

Without the Sun's gravity, the planets would stop moving because sun provides centripetal force to the planets.

A planet moves around the sun in a circular path due to gravitational force of attraction of the sun that provides the centripetal force. This centripetal force is responsible for circular motion of planet.

So we can conclude that without the Sun's gravity, the planets would stop moving because sun provides centripetal force to the planets.

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Answer:

B

Explanation:

Without the Sun's gravity, the planets would move off into space in

a straight line.

Answer:

375 and 450

Explanation:

The computation of the initial and the final temperature is shown below:

In condition 1:

The efficiency of a Carnot cycle is \(\frac{1}{6}\)

So, the equation is

\(\frac{1}{6} = 1 - \frac{T_2}{T_1}\)

For condition 2:

Now if the temperature is reduced by 75 degrees So, the efficiency is \(\frac{1}{3}\)

Therefore the next equation is

\(\frac{1}{3} = 1 - \frac{T_2 - 75}{T_1}\)

Now solve both the equations

solve equations (1) and (2)

\(2(1 - T_2/T_1) = 1 - (T_2 - 75)/T_1\\\\2 - 1 = 2T_2/T_1 - (T_2 - 75)/T_1\\\\ = (T_2 + 75)/T_1T_1 = T_2 + 75\\\Now\ we\ will\ Put\ the\ values\ into\ equation (1)\\\\1/6 = 1 - T_2/(T_2 + 75)\\\\1/6 = (75)/(T_2 + 75)\)

T_2 + 450 = 75

T_2 = 375

Now put the T_2 value in any of the above equation

i.e

T_1 = T_2 + 75

T_1 = 375 + 75

= 450

Answer:

water evaporating and condensing, because that's the water cycle and it isnt eroding anything

The average acceleration of the motorcycle over the given distance is approximately 9.39 m/s².

To calculate the average acceleration of the motorcycle, we can use the formula:

Average acceleration = (final velocity - initial velocity) / time

First, let's convert the final velocity from km/h to m/s since the distance is given in meters. We know that 1 km/h is equal to 0.2778 m/s.

Converting the final velocity:

Final velocity = 78 km/h * 0.2778 m/s = 21.67 m/s

Since the motorcycle starts from rest (initial velocity is zero), the formula becomes:

Average acceleration = (21.67 m/s - 0 m/s) / time

To find the time taken to reach this velocity, we need to use the formula for average speed:

Average speed = total distance/time

Rearranging the formula:

time = total distance / average speed

Plugging in the values:

time = 50 m / 21.67 m/s ≈ 2.31 seconds

Now we can calculate the average acceleration:

Average acceleration = (21.67 m/s - 0 m/s) / 2.31 s ≈ 9.39 m/s²

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Explanation:

c because there is element

Answer:

C. H2 and N2 would react to produce more NH3

Explanation:

A.P.E.X

The mass spectrometer separates ions of different masses by utilizing the relationship between the strength of the magnetic field, the accelerating voltage, the charge-to-mass ratio of the ions, and the resulting radius of the circular path

From the formula in the question;

B is a symbol for the magnetic field's intensity as it is applied to the mass spectrometer.

The accelerating voltage used to move the ions is called Vaccelm.

The charge of the ion, specifically its charge-to-mass ratio (q/m), is represented by the letter q.

The mass spectrometer may selectively alter the radius of the circular route for various ions by varying the magnetic field's intensity (B). This makes it possible to spatially segregate ions with various masses based on their various radii. The ions' locations and masses can then be measured using detectors placed along the journey.

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The near point of a human eye is about a distance of 25 cm.

The closest distance that an object may be viewed clearly without straining is known as the near point of the eye.

This distance (the shortest at which a distinct image may be seen) is 25 cm for a typical human eye.

The closest point within the accommodation range of the eye at which an object may be positioned while still forming a focused picture on the retina is also referred to as the near point.

In order to focus on an item at the average near point distance, a person with hyperopia must have a near point that is further away than the typical near point for someone of their age.

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The potential energy of the roller coaster is 176,400 J (joules).

The potential energy of an object is given by the formula PE = mgh, where PE is the potential energy, m is the mass of the object, g is the acceleration due to gravity, and h is the height or vertical position of the object.

In this case, the roller coaster is at a peak of 20m and has a mass of 900kg. The acceleration due to gravity, g, is approximately 9.8 \(m/s^2\).

Using the formula, we can calculate the potential energy:

PE = mgh

= (900 kg)(9.8 \(m/s^2\))(20 m)

= 176,400 J

Therefore, the potential energy of the roller coaster is 176,400 J (joules).

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Answer:

3o Is the correct answer for that

Due to the relationship between linear and angular speed, the candidate's speed is 13.3 m/s

A satellite orbiting the earth is one of the example of a circular motion. The satellite will experience gravitational attraction towards the center of the earth. This attraction force provides the centripetal force

Given that a prospective astronaut is spun around in a human centrifuge such that the candidate experiences a centripetal acceleration that is 2.5 times the acceleration due to gravity on the surface of the earth. If the candidate is 7.27 m from the center, the parameters to work on are

To determine the candidate's speed in meters per second, let us first find its angular speed w in rad/s by using the formula

a = w²r

24.5 = 7.27w²

w² = 24.5 / 7.27

w² = 3.37

w = √3.37

w = 1.84 rad/s

The relationship between linear and angular speed is

v = wr

v = 1.84 × 7.27

v = 13.3 m/s

Therefore, the candidate's speed in meters per second is 13.3 m/s

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Gravity is not described as the bending of space.

So answer 3 is the correct option among them.

Gravity is described as a fundamental interaction which causes mutual attraction between all things with mass or energy.

The characteristics of gravity include the following:

Gravity is also known as the universal force of attraction acting between all matter. Gravity has been found by experts to be by far the weakest known force in nature.

In conclusion,  Gravity creates stars and planets by pulling together the material from which they are made.

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Answer:

I feel like its the second one but I'm not completely sure..

Explanation:

If a swimmer swims the 50m length of a swimming pool in 15.91 second and makes the return swim in 18 seconds then the swimmer's average speed for the full swim is 2.948 metres per second.

To find the swimmer's average speed for the full swim, we need to calculate the total distance swum and the total time taken.
The swimmer swam the 50m length of the pool twice, once in 15.91 seconds and once in 18 seconds. So the total distance swum is 50m + 50m = 100m.
The total time taken is the sum of the time taken for each length: 15.91 seconds + 18 seconds = 33.91 seconds.
To find the swimmer's average speed, we divide the total distance by the total time:
Average speed = total distance ÷ total time
= 100m ÷ 33.91 seconds
= 2.948 metres per second
Therefore, the swimmer's average speed for the full swim is 2.948 metres per second. This is a relatively fast speed, but it's important to note that the swimmer's speed may vary depending on their stroke technique, physical fitness, and other factors. Nonetheless, it's an impressive achievement for the swimmer to complete the full 100m in under 34 seconds.

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Answer: f

Explanation:

just took the test

Temperate rainforests are always located near the equator. This is False statement.

Coniferous or broadleaf forests that grow in the temperate zone and receive a lot of rain are known as temperate rainforests.

The Pacific temperate rain forests of North America's Pacific Northwest and the Appalachian temperate rainforest of the Eastern U.S. Sun Belt, the Valdivian temperate rain forests of southwestern South America, the rain forests of New Zealand and southeastern Australia, northwest Europe, southern Japan, and the Black Sea-Caspian Sea region from the southeasternmost coastal zone of the Bulgarian coast, through Turkey, to Georgia, and northern Iran are all examples of temperate rain forests.

In temperate rain forests, the damp conditions typically sustain an understory of mosses, ferns, and certain shrubs and berries. Broadleaf or coniferous temperate woods can be found in temperate regions.

Hence, temperate rainforests are always located near the equator - is False statement.

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Answer:

18.36 m/s

Explanation:

We can solve this using conservation of energy. The energy in the system will be conserved since there are no outside forces acting upon it so the potential energy and kinetic energy will be equal. Giving us this formula to start:

1/2mv^2=mgh

m=mass

g=gravity

h=height

v=velocity

We can start by figuring out the total height the rock travels which we can do by subtracting the height of the frisbee by the height the rock started at.

19m-1.8m=17.2m

Now we can plug in our variables to solve for velocity.

First we negate mass since its on both sides and cancels out leaving us with.

1/2v^2=gh

Plug in.

1/2v^2=(9.8)(17.2)

1/2v^2=168.56

v^2=337.12

v=18.36m/s

(A)

Explanation:

There is no acceleration along the x-axis. Acceleration only occurs along the y-axis.

The correct answers are: 1. Earth at the center of the universe - Geocentric model,  2.  Big bangs are followed by the big crunch and another big bang in a repeating pattern - Cyclic model, 3. Proposed by Nicolaus Copernicus and Aristarchus - Heliocentric model, 4.  Proposed by Aristotle - Geocentric model, 5.  The universe started from a single point - Big Bang Theory, 6.  Proposed by George Lemaitre - Big Bang Theory, 7. The sun at the center of the universe - Heliocentric model

The Geocentric model was the widely accepted model of the universe until the 16th century. It suggested that Earth was the stationary center of the universe, and all celestial bodies moved around it. The Heliocentric model proposed that the Sun was the center of the universe, and all planets including Earth revolved around it. Nicolaus Copernicus and Aristarchus were the proponents of this model.

The Cyclic model suggests that the universe goes through an infinite cycle of big bang and big crunch, leading to the creation of new universes. This model is different from the Big Bang theory, which states that the universe started from a single point and has been expanding since then.

The Big Bang theory is currently the most widely accepted model that explains the origin and evolution of the universe. It suggests that the universe started from a single point and expanded rapidly, leading to the formation of galaxies, stars, and planets. George Lemaitre was the first to propose this theory in 1927.

Therefore, the Geocentric model and the Heliocentric model proposed different views on the position of the Earth and the Sun in the universe, while the Big Bang theory and the Cyclic model propose different views on the origin and evolution of the universe.

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The author of this passage is focusing on both the merits and demerits of electromagnetic waves. Thus, he agree with the statement  that electromagnetic radiation can be both helpful and harmful to humans.

Electromagnetic waves are transformation of energy and they are travelling with a combined electric field and magnetic field. There are various kinds of electromagnetic waves namely, ultraviolet, radio waves, microwaves x-rays etc.

All these waves have significant applications in various fields. Mostly in medical fields. They are used for diagnosing, cancer treatments drug optimization etc.

However, these waves are highly energetic and harmful too. Direct and elongated exposure to these waves may cause severe health risks including cancer.

The author addresses the advantages and disadvantages of the electromagnetic waves. Thus, option B is correct.

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Explanation:

There are still some questions beyond the Standard Model of physics, such as the strong CP problem, neutrino mass, matter–antimatter asymmetry, and the nature of dark matter and dark energy.

planets shine more stedily because they are closer to earth and so appear as pinpoints but as tiny disks in our sky.

Answer:

Wegener proposed his theory of "continental drift." Wegener proposed that the continents plowed through crust of ocean basins, which would explain why the outlines 

Plate tectonic theory had its beginnings in 1915 when Alfred Wegener proposed his theory of "continental drift." Wegener proposed that the continents plowed through crust of ocean basins, which would explain why the outlines of many coastlines (like South America and Africa) look like they fit together like a puzzle.

Answer:

Molecular scale. The story begins a long time ago  

when the idea that molecules are in constant motion  

was first discovered. Part of the evidence that you can  

see in everyday life was discovered by Robert Brown  

about 150 years ago when he used a microscope to  

watch how tiny dust particles move.

So how fast do molecules move? It all depends upon  

the molecule and its state: molecules in a solid state  

move slower than in a liquid state, and much slower  

than gas molecules. One estimate puts gas molecules  

in the range of 1,100 mph at room temperature. Cool  

them down to almost absolute zero and they slow  

down to less than 0.1 mph (slower than the average  

couch potato). The fact that they are always moving  

makes it a challenge to see molecules and make stuff  

out of them, but it’s a challenge that scientists  

work hard to figure out.

Explanation:

Given data:

Distance traveled by car in t_1=4.5 hr is s_1=400 km.

Distance traveled by car in t_2=1 hr is s_2=0 km (as the car was stopped).

Distance traveled by car in t_3=2.5 hr is s_3=300 km.

The average speed is given as,

Substitute all known values,

Therefore, the average speed of the car is 87.5 km/h.

Answer:

A fundamental theory that provides a description of the physical properties of nature at the scale of atoms and subatomic particles.

Explanation:

Answer:

586 K

Explanation:

Let P is the initial pressure.

Initial temperature, T₁ = 20°C = 293 K

Final pressure, P₂ = 2P

We need to find the final temperature of the gas.

The relation between the pressure and the temperature is as follows

\(P\propto T\\\\or\\\\\dfrac{P_1}{P_2}=\dfrac{T_1}{T_2}\)

Put all the values,

\(\dfrac{P}{2P}=\dfrac{293}{T_2}\\\\\dfrac{1}{2}=\dfrac{293}{T_2}\\\\T_2=2\times 293\\\\T_2=586\ K\)

So, the final temperature of the gas is 586 K.

Answer:

\(M=7.05*10^{-4}\)

Explanation:

From the question we are told that:

Coil one turns N_1=1550 Turns/m

Radius \(r=0.0240m\)

Turns 2 \(N_2=200N\)

Generally the equation for area is mathematically given by

\(A=\pi*r^2\)

\(A=\pi*0.024^2\)

\(A=\1.81*10^{-3} m^2\)

Therefore

The mutual inductance of this system is

\(M=\mu*N_1*N_2*A\)

\(M=(4 \pi*10^{-7})*1550*200*1.81*10^{-3}\)

\(M=7.05*10^{-4}\)

Find distance she traveled:

100m -25m = 75m

58 seconds / 2 second intervals = 29

29 x 2.6m = 75.4 meters total.

if the distance wasn’t rounded the statement was False.

Answer: False

Sound waves are a type of mechanical wave that propagate through a medium, typically air but also other materials such as water or solids.

Frequency: the frequency of a sound wave refers to the number of cycles or vibrations it completes per second and is measured in Hertz (Hz).

Amplitude: the amplitude of a sound wave refers to the maximum displacement or intensity of the wave from its equilibrium position. It represents the loudness or volume of the sound, with larger amplitudes corresponding to louder sounds and smaller amplitudes corresponding to softer sounds.

Wavelength: the wavelength of a sound wave is the distance between two consecutive points in the wave that are in phase, such as from one peak to the next or one trough to the next. It is inversely related to the frequency of the wave.

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