a laser beam (λ = 632.8 nm) is incident on two slits 0.200 mm apart. how far apart are the bright interference fringes on a screen 5.00 m away from the double slits?

Using the concepts of motion, we got that Ma is the force exerted on the  passengers inside the car when a  car traveling with a constant velocity quickly comes to rest.

We know very well that according to newton second law of motion,

if a moving object is moving with some velocity v at any particular time t, then there is force acting on that object and that force is given by

F= dp /dt,

where dp is defines as change in momentum of the object. In other words,

dp=M×(\(v_f_i_n_a_l\) - \(v_i_n_i_t_i_a_l\))

where \(v_f_i_n_a_l\) and v\(_i_n_i_t_i_a_l\) are the velocities of the object in different time.

So suppose car has some mass M kg

It is given that final velocity of the object is =0 as the car comes to rest,

suppose initial velocity is v

Therefore, F=[M×(0-v)]/t

=>              F= -M×(v/t)

=>              F= -Ma because acceleration =velocity/time

Here negative sign shows that force acts on the person in opposite direction of frictional force applied by the road.

Hence, when a car traveling with a constant velocity quickly comes to rest. while slowing down, the passengers inside the car are pushed forward by the force - Ma.

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Answer:

wrong answer because m=100

Explanation:

I think it is incorrect

Ah, I tried

A recent health screening revealed a low-density-lipoprotein (LDL) level over 130. Statins are a medication that is often prescribed to lower LDL cholesterol levels. Therefore, option A, statins, should be prescribed.  

Low-density lipoprotein (LDL) cholesterol is a type of cholesterol that can build up in the walls of arteries and cause plaque buildup. This can lead to atherosclerosis, which is a condition that can increase the risk of heart disease and stroke.

Statins are a type of medication that work by inhibiting the production of cholesterol in the liver. By reducing the amount of LDL cholesterol in the blood, statins can help to lower the risk of heart disease and stroke.

If the LDL level is over 130, the person should be prescribed statins. However, other factors such as family history, lifestyle habits, and other health conditions should also be taken into consideration when making a treatment plan.  

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The change in the internal (thermal) energy of the gas can be calculated using the first law of thermodynamics, which states that the change in the internal energy of a system is equal to the heat added to the system minus the work done by the system.

Since the compression is adiabatic, no heat is added to the system, so the change in internal energy is equal to the work done on the gas. Therefore, the change in the internal energy of the gas is 800 J. The answer is (A) 800 J. Thermodynamics is a branch of physics that deals with the relationships between heat, energy, and work. It is concerned with how energy is transferred between systems, and how energy transformations occur within systems. The main principles of thermodynamics are the first and second laws of thermodynamics. The first law of thermodynamics, also known as the law of conservation of energy, states that energy cannot be created or destroyed, only converted from one form to another.

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The radius of a sphere is the distance between the centre point of the sphere to the surface of the sphere.

r = d / 2

A = 4 π r²

r = √ ( A / 4 π )

V = 4 / 3 π r³

r = ∛ ( 3 V / 4 π )

r = Radius of the sphere

d = Diameter of the sphere

A = Surface Area of the sphere

V = Volume of the sphere

A sphere is the 3-dimensional form of a circle. Since the radius of the sphere is a measure of length, its unit is usually meter.

Therefore, the radius of a sphere is the distance between the centre point of the sphere to the surface of the sphere.

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It will take the car 16.67 sec to catch up with the truck.

Given the data in the question.

Since the car was stationary, then;

Initial velocity of the car; \(u_c = 0m/s\).

Final velocity of the car; \(v_c = 30m/s\).

Time taken for the car to reach given speed; \(t = 10s\).

At \(t = 0\), speed of truck; \(V_{truck} = 25m/s\)

First, we find the acceleration of the car, using the first equation of motion;

\(v = u + at\)

We make "a" the subject of the formula,

\(a = \frac{v-u}{t}\)

We substitute in our values and solve for "a"

\(a = \frac{30m/s - 0m/s}{10s}\)

\(a = 3m/s^2\)

Now, to determine how long will it take for the car to catch up with the truck.

Distance travelled by truck should be equal to distance travelled by car, so;

\(S_{truck\) = \(S_{car\)

We know that, speed; s = distance / time

So, distance of truck \(S_{truck\) = speed of truck × time \(= V_{truck} * t\)

Also, from the second equation of motion; distance "s" is;

\(s = ut + \frac{1}{2}at^2\)

So distance of the car \(S_{car} = ut + \frac{1}{2}at^2\)

We equate

\(S_{truck\) = \(S_{car\)

\(V_{truck} * t\) \(= ut + \frac{1}{2}at^2\)

we make "t" the subject of formula

we know that initial velocity of the car; u = 0

so, we divide both sides by "t"

\(V_{truck} = \frac{1}{2}at\)

\(t = \frac{2V_{truck}}{a}\)

We substitute in our values

\(t = \frac{2 * 25m/s}{3m/s^2}\)

\(t = 16.67s\)

Therefore, It will take the car 16.67 sec to catch up with the truck.

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For a beam of light, the direction of polarization is defined as the direction of the electric field's vibration. Thus, the correct option is (C).Polarization of light.

Polarization of light is the process of restricting the vibrations of the transverse wave to a specific direction. It occurs when the wave oscillates in a single plane perpendicular to its direction of travel. The plane that contains the electric field's vibrations is referred to as the plane of polarization.

Polarized light's characteristics include the electric field vectors' restricted orientation perpendicular to the direction of the wave's propagation. It is useful in applications like the study of crystal structures and reducing glare in photography.

Polarization filters, also known as polarizing filters, are used in photography to reduce glare and improve color saturation in scenes with a significant amount of reflected light. A polarizing filter consists of a series of parallel lines that only allow light waves with a specific orientation to pass through.

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(a) red, green, blue. the distance between adjacent bright fringes, also known as the fringe spacing, is inversely proportional to the wavelength of light. Red light has the longest wavelength, followed by green and then blue. Therefore, the fringe spacing is smallest for red light and largest for blue light.

In a Young's double slit experiment, when light passes through two narrow slits and forms an interference pattern on a screen, the fringe spacing is determined by the wavelength of the light. The fringe spacing is given by the equation:

s = λD / d,

where s is the fringe spacing, λ is the wavelength of light, D is the distance between the screen and the double slits, and d is the distance between the slits.

Since the distance D and the distance between the slits d are constant in this experiment, the fringe spacing is solely determined by the wavelength. The longer the wavelength, the smaller the fringe spacing, and vice versa.

Therefore, since red light has the longest wavelength, followed by green and then blue light, the fringe spacing is smallest for red light and largest for blue light. Thus, the correct ranking of the colors by the distance between adjacent bright fringes is (a) red, green, blue.

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To know which the following compounds has signals in its 13c nmr spectrum at 25.9 ppm (ch 3), 51.1 ppm (ch), 125.9 ppm (ch), 126.6 ppm (ch), 128.3 ppm (ch), and 148.5 ppm (c) is as follow:

The given carbon NMR spectrum consists of six signals, at the following chemical shifts: 25.9 ppm (CH3), 51.1 ppm (CH), 125.9 ppm (CH), 126.6 ppm (CH), 128.3 ppm (CH), and 148.5 ppm (C).

The possible organic compound that fits with these chemical shifts in carbon NMR spectrum is 2-chloro-4-methylpentane.

This is due to the protons, which are connected to sp3 carbons, have values between 20 and 50 ppm. 2-chloro-4-methylpentane has the following structure:

CH3- 25.9 ppm

CH- 51.1 ppm

CH2- 125.9 ppm

CH- 126.6 ppm

CH- 128.3 ppm

C- 148.5 ppm

Thus, 2-chloro-4-methylpentane has signals in its 13C NMR spectrum at 25.9 ppm (CH3), 51.1 ppm (CH), 125.9 ppm (CH), 126.6 ppm (CH), 128.3 ppm (CH), and 148.5 ppm (C).

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The magnitude and direction of the shearing stress developed on the plate are as follows: T = (4 × 10-4 m2/s)(U/§2) §, directed in the -y direction.

A Newtonian fluid is a type of fluid in which the rate of shear deformation of the fluid is linearly proportional to the stress applied to it. In other words, the viscosity of Newtonian fluids is constant and independent of shear rate.

Examples of Newtonian fluids include water and air, which exhibit constant viscosity regardless of the applied shear rate.

Kinematic viscosity, on the other hand, represents the relationship between dynamic viscosity and fluid density, indicating how resistant a fluid is to flow relative to its density. It is a measure of a fluid's resistance to flow, and it is typically expressed in units of square meters per second.

The following is the given data:Specific gravity of the fluid = 0.92Kinematic viscosity of the fluid = 4 × 10-4 m2/s

To determine the magnitude and direction of the shearing stress developed on the plate, we will use the formula for shearing stress, which is as follows:

T = μ (du/dy)

where T is the shearing stress, μ is the dynamic viscosity, and (du/dy) is the velocity gradient.

The velocity profile of the fluid is given, so we can determine the velocity gradient by differentiating the equation of the velocity profile.

u(y) = (U/§2) y (§ - y)

The velocity gradient is calculated by taking the first derivative of the velocity profile:

du/dy = (U/§2)(§ - 2y)

The shearing stress can now be calculated by substituting the given values into the formula:

T = μ (du/dy) = (4 × 10-4 m2/s)(U/§2)(§ - 2y)

Note that the shearing stress is directly proportional to the velocity gradient and the dynamic viscosity and is inversely proportional to the square of the distance from the surface of the plate. Therefore, the shearing stress is maximum at the surface of the plate and decreases as the distance from the plate increases.

To determine the magnitude of the shearing stress at the surface of the plate, we will substitute y = 0 into the above equation:

T = (4 × 10-4 m2/s)(U/§2)(§ - 2 × 0) = (4 × 10-4 m2/s)(U/§2) §

The direction of the shearing stress is in the opposite direction of the fluid velocity. In this case, the fluid is moving in the x-direction, so the shearing stress is in the -y direction.

Therefore, the magnitude and direction of the shearing stress developed on the plate are as follows:T = (4 × 10-4 m2/s)(U/§2) §, directed in the -y direction.

The question should be:

A Newtonian fluid with a specific gravity of 0.92 and a kinematic viscosity of 4x10-4 m2/s is flowing past a stationary surface. The velocity of the fluid at the fixed surface is zero, maintaining the non-slip condition. The fluid velocity profile near the surface is depicted in the provided figure. To determine the magnitude and direction of the shearing stress developed on the plate, we need to analyze the situation. Express your answer in terms of U and §, where U represents velocity in meters per second (m/s) and § represents distance in meters (m). The magnitude of the shearing stress and its direction can be calculated based on the given parameters and equations.

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The ultimate fate of an isolated pulsar is determined by a combination of various physical processes that act on it over time.

The ultimate fate of an isolated pulsar depends on various factors such as its mass, rotation speed, and magnetic field strength. If the pulsar has a low mass, it may eventually spin faster and become a millisecond pulsar.

However, if it has a high mass, it may explode as a supernova, releasing huge amounts of energy and leaving behind a neutron star or a black hole.

In some cases, if the magnetic field weakens and the pulsar slows down, it may become invisible. As the neutron degeneracy pressure overwhelms gravity, the pulsar may eventually transform into a white dwarf.

Alternatively, the neutron degeneracy pressure may eventually overwhelm gravity, and the pulsar will slowly evaporate.

Overall, the ultimate fate of an isolated pulsar is determined by a combination of various physical processes that act on it over time.

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Based on the given information, we have a single converging (convex) lens with a focal length of 10 cm, and an object placed at a distance of 8 cm to the left of the lens.

To determine the characteristics of the image formed by the lens, we can use the lens formula:

1/f = 1/v - 1/u

where f is the focal length, v is the image distance from the lens, and u is the object distance from the lens.

Substituting the given values into the formula:

1/10 = 1/v - 1/8

Simplifying the equation, we find:

1/v = 1/10 + 1/8

1/v = (4 + 5) / 40

1/v = 9/40

v = 40/9 cm

Since the image distance (v) is positive, the image is formed on the opposite side of the lens from the object, which indicates a real image.

To determine the orientation of the image, we can use the magnification formula:

m = -v/u

where m is the magnification.

Substituting the values:

m = -(40/9) / (-8)

m = 5/9

The magnification (m) is positive, indicating an upright image.

Therefore, based on the calculations, the image formed by the convex lens is real and upright.

To visualize the ray diagram and accurately determine the image characteristics, it is recommended to create a scaled ray drawing using a ruler.

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That location has a 16.72 N string tension.

The acceleration at the bottom of the circle is merely normal (because there are no forces acting in the horizontal direction) and equal to the centripetal acceleration as follows:

ac = v2/r = 2*r T- m*g = m*2*r

The following is how we can solve for T using the givens as replacements:

T = m* (2*r+g) = 0.4 kg*((8.00)2 rad/sec2*0.5m)+9.8 m/s2) = 16.72 N.

The pace at which something rotates is its angular speed, which is measured in terms like r.p.m, degrees per seconds, etc. The linear speed is how quickly a point on the edge of an object moves in a circle around the item's center.

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Answer:

voltmeter  (C. Volts)

Explanation:

The amount of electrical potential is measured by voltmeter. Electrical potential is the amount of work needed to move a unit electric charge from a reference point to the specific point in an electric field. The SI unit of electrical potential is Volt.

brainliest?

Answer:

Volts

Explanation:

Consciousness is still a controversial issue among psychologists and philosophers is a true statement.

You experience everything as consciousness. It is the song that keeps playing in your head, the sweetness of chocolate mousse, the agonizing pain of a toothache, the passionate love you have for your child, and the painful realization that these emotions eventually pass.

From the earliest ages of antiquity till the present, the origin and nature of these experiences, also referred to as qualia, have remained a mystery.

Many contemporary analytic philosophers of mind, probably most notably Daniel Dennett of Tufts University, claim that consciousness is an illusion because they find it to be such an awful affront to what they feel should be a meaningless cosmos of matter and the void.

Therefore, Consciousness is still a controversial issue among psychologists and philosophers is a true statement.

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When the area of each plate is doubled while keeping the charge and separation constant, the electric field decreases, the potential difference remains the same, and the stored energy in the capacitor increases four times.

When the area of each plate of a capacitor is doubled while keeping the total charge on each plate and the separation between the plates constant, the following changes occur:

1. Electric Field: The electric field between the plates decreases. The electric field (E) between the plates of a capacitor is inversely proportional to the area (A) of the plates. As the area is doubled, the electric field is halved, assuming the other factors remain constant.

2. Potential Difference: The potential difference (V) across the plates remains the same. The potential difference across the plates of a capacitor depends on the charge (Q) and the capacitance (C), which is determined by the geometric and material properties of the capacitor. Since the total charge and separation between the plates are held constant, the potential difference remains unchanged.

3. Stored Energy: The stored energy in the capacitor increases four times. The energy stored in a capacitor (U) is directly proportional to the area of the plates (A). When the area is doubled, the stored energy is quadrupled (increases by a factor of four).

Therefore, when the area of each plate is doubled while keeping the charge and separation constant, the electric field decreases, the potential difference remains the same, and the stored energy in the capacitor increases four times.

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Answer:

the correct one is 2

Explanation:

The emission and arcion spectra are similar, in the emission spectra a heated material emits photons for the internal transitions of the electrons, in the absorption spectrum the continuous emission of a lamp is absorbed at the energies that the material has transitions.

In our case the material is low early, so all the electrons are in their base states.

As the light beam has all wavelengths, those corresponding to the first emission of the material will be observed.

When reviewing the answers, the correct one is 2

The impact speed will be

v^2 = 2*9.8*1.3

v^2 = 25.48

v= 5.04 m/s or O C. 5.0 m/s

Every particle of mass is attracted to every other particle of mass.  The magnitude of the force between two objects is proportional to the product of their masses, and inversely proportional to the square of the distance between them.  The direction of the force is along the line between their centers.

(NOTE:  Newton's 3rd law of motion tells us that gravitational forces always come in pairs.  Between two objects, there are two forces ... one in each direction.  Their strengths are equal ... Your weight on Earth is exactly equal to the Earth's weight on YOU.)

Put your finger over P to compute power; this leaves I and V; hence, P = I x V.

The quantity of current multiplied by the resistance equals the potential difference, which is the same as voltage. One Coulomb of charge uses one Joule of energy to move between two locations in a circuit, which is equal to a potential difference of one Volt.

Difference that might exist at all between the two points The amount of work required to move a unit positive charge along any path through one point to another without accelerating is referred to as the electric field.

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a). (2.0 x 10^9) x (0.1) = 2.0 x 10^8 cubic meters

b). The edge of a cube with that volume is

(2.0 x 10^8) ^ 1/3 = about 585 metres

(about 0.36 of a mile)

==> I'm pretty sure there are actually more than 2 billion adults in the world, since the total population is well over 7 billion now.

Answer:

15 kg

Explanation:

F = m*a

F/a = m

210/14 = 15 kg

Answer:

Distance ÷ Time = Velocity

Answer:

now just in advance..

average velocity = delta displacement by delta time

Answer:

Explanation:

d = vt = 340m/s * (4hrs * (60 min/hr)*(60sec/min)) = 4,896,000 meters

Hope that helps!

Question :-

Answer :-

Explanation :-

As per the provided information in the given question, we have been given that the Frequency of the Radio is 220 Hertz . Wavelenght is given as 4.2 meter . And, we have been asked to calculate the Speed of the Wave .

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

\( \bigstar \: \: \: \boxed{ \sf{ \: Speed \: = \: Wavelength \: \times \: Frequency \: }} \)

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

\( \dag \: \: \: \sf{Speed \: = \: Wavelength \: \times \: Frequency} \)

\( \longmapsto \: \: \: \sf{Speed \: = \: 4.2 \: \times \: 220} \)

\( \longmapsto \: \: \: \textbf {\textsf {Speed \: = \: 924 }} \)

Hence :-

\( \underline {\rule {180pt} {4pt}} \)

Answer:

A Radio has a Frequency of 220 Hertz . The Sound produced by the Wavelength is 4.2 meter . Identify the Speed of the Wave .

11 m/s

0.01 m/s

52.3 m/s

924 m/s

Answer :-

Speed of the Wave is 924 m/s .

Explanation :-

As per the provided information in the given question, we have been given that the Frequency of the Radio is 220 Hertz . Wavelenght is given as 4.2 meter . And, we have been asked to calculate the Speed of the Wave .

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

\bigstar \: \: \: \boxed{ \sf{ \: Speed \: = \: Wavelength \: \times \: Frequency \: }}★

Speed=Wavelength×Frequency

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

\dag \: \: \: \sf{Speed \: = \: Wavelength \: \times \: Frequency}†Speed=Wavelength×Frequency

\longmapsto \: \: \: \sf{Speed \: = \: 4.2 \: \times \: 220}⟼Speed=4.2×220

\longmapsto \: \: \: \textbf {\textsf {Speed \: = \: 924 }}⟼Speed = 924

Hence :-

Fourth Option is Correct Answer .

Middle part of the ear have a solid medium. The ossicles, which are bones that amplify sound waves, are located in the middle ear, therefore the medium is solid.

The outer ear is the first place that sound waves pass through, followed by the middle ear and lastly the inner ear. The first medium is gas because the external auditory canal, which is part of the outer ear, is filled with ambient air.  The ossicles, which are bones that amplify sound waves, are located in the middle ear; therefore the second medium is solid. The last medium is liquid because the inner ear is loaded with fluids like endolymph and perilymph that vibrate when sound waves pass through them.

The middle ear amplifies sound after being directed toward it by the outer ear, which is in charge of catching it.  Amplified sound waves are sent from the middle ear to the inner ear, where hair cells detect the sound waves and transmit the data to the brain.

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The true total mass of a galaxy cluster is much greater than the mass measured by adding up all the stars in all the galaxies of the cluster.


This is because the majority of the mass in a galaxy cluster is actually in the form of dark matter, which cannot be detected through traditional methods like observing stars. Dark matter is a mysterious substance that interacts only through gravity and is thought to make up about 85% of the matter in the universe.

Therefore, the true total mass of a galaxy cluster is much higher than what is visible through telescopes. Scientists use a variety of methods, such as gravitational lensing and the motions of the galaxies within the cluster, to estimate the amount of dark matter present and thus determine the true mass of the cluster. Understanding the distribution and amount of dark matter in galaxy clusters is an important part of studying the large-scale structure of the universe.

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They regularly move because of the convection currents of magma.

Energy flow inside the mantle causes magma to rise.

The result of boundary plates colliding or sliding past each other is earthquakes occur.

The crust, mantle, and core are the three separate layers that make up the earth's interior. The earth's crust is its outermost layer, while its core, which is located at a depth of 2900 kilometres, is its innermost layer. These three distinct inner layers of the planet are briefly explained in this article.

Thus, these parts regularly move because of the convection currents of magma and energy flow inside the mantle causes magma to rise. If  boundary plates collides or slides past each other earthquakes occur.

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