The threshold of hearing is defined as the minimum discernible intensity of the sound. It is approximately 10?12W/m2. Find the distance d from the car at which the sound from the stereo can still be discerned. Assume that the windows are rolled down and that each speaker actually produces 0.06 W of sound, as suggested in the last follow-up comment.Express your answer numerically in meters.

A student walks on a treadmill belt moving at 4.0 m/s and remains at the same place in the gym. 4 m/sec is the student's speed relative to the treadmill.

Velocity is the pace and direction of an item's movement, whereas speed is the time rate at which an object is travelling along a route. In other words, velocity is a vector, whereas speed is a scalar number.

On a treadmill, the student is reportedly travelling at a speed of 4 meters per second. There is no difference in displacement between the student and the treadmill when viewed as an entire machine.

However, if we simply look at the treadmill belt and the student, we might argue that the student is travelling 4 meters per second in relation to the treadmill belt, or the opposite. The student's pace is 4 meters per second slower than the treadmill in this instance.

So, 4 m/sec is the student's speed relative to the treadmill.

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The work done by both students will be equal. Jaci has greater power than Kyli.

Work can be explained as the energy needed when a force is exerted to move an object through a particular displacement. The work done depends upon the displacement and applied force of the object.

W= F × d

Where 'F' represents the exerted force and 'd' represents the displacement.

The power can be described as the rate of doing work and is the work done in unit time.  The mathematical formula for power can be represented as mentioned below.

Power = Work/time = W/t

As the mass of the box is equal and both cover the same distance so the work done by both students will be equal. The time taken by both students is different. Therefore, the power will be different.

More the time is taken, the lesser the power. Therefore, Jaci has greater power than Kyli.

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Option A is correct, conduction is the method by which the primary heat transfer mechanism does one end of a steel rod becomes hot when the other end is placed in a flame

Conduction is the manner with the aid of which heat is transferred from the warmer quit to the colder cease of an item. The ability of the item to behave warmth is known as its thermal conductivity and is denoted as k.

Heat spontaneously flows along a temperature gradient. for example, warmth is performed from the hotplate of an electric range to the bottom of a saucepan in contact with it. in the absence of an opposing external riding energy source, inside a frame or between bodies, temperature differences decay through the years, and thermal equilibrium is approached, temperature turning more uniform.

In conduction, the warmth glide within and via the body itself. In evaluation, in a warmness switch by using thermal radiation, the transfer is regular between bodies, which may be separated spatially. warmness also can be transferred by using a combination of conduction and radiation. In solids, conduction is mediated by way of the combination of vibrations and collisions of molecules, propagation and collisions of phonons, and diffusion and collisions of loose electrons. In gases and drinks, conduction is due to the collisions and diffusion of molecules at some stage in their random movement.

Photons in this context do not collide with one another, and so warmness delivery by using electromagnetic radiation is conceptually awesome from heat conduction by way of microscopic diffusion and collisions of cloth particles and phonons. but the difference is frequently now not easily found except the fabric is semi-transparent.

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The wind that is blowing over the house flows in the window and out the chimney.

Air Flow at Home:

Air is a solution of diatomic gas. Air will flow from a high pressure to low pressure. Usually, the roof area has low pressure thus, air flows from inside the house and out to the chimney; if there is any. In this case, the chimney should have a correct size to avoid updraft.

Air flows from a high pressure point to a low pressure point to find equilibrium. In this case, since the wind is blowing over the house, the pressure at that area will be low. With this, the lower part of the house will have a relatively high pressure compared to the roof. Thus, the air will flow in the window and outside of the chimney.

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The diver was working at a depth of 100 m. This can be determined by solving the following equation:

1.000 atm × 10.00 m = X atm × 100 m

X = 10 atm

This means that the pressure increased by 10 atm for every 100 m of depth, which means the diver was working at a depth of 100 m.

Since the temperature remained constant, the pressure increase was solely due to the change in depth.

The pressure increases by 1.000 atm for every 10.00 m of depth. This is known as the hydrostatic pressure equation, which states that pressure (P) is equal to the density of the fluid (rho) multiplied by the acceleration of gravity (g) multiplied by the depth (h):

P = rho * g * h

In this case, we can rearrange the equation to solve for h, the depth at which the diver was working:

h = P / (rho * g)

Since we know that the pressure increases by 1.000 atm for every 10.00 m of depth, we can assume that the pressure at the depth at which the diver was working is P. Therefore, we can substitute P for the pressure in the equation:

h = P / (rho * g)

Since the temperature remains constant, we can assume that the density of the fluid (rho) is also constant. Therefore, we can substitute the value of rho into the equation:

h = P / (rho * g)

Finally, we can substitute the value of acceleration of gravity (g) into the equation:

h = P

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The fluid gage pressure of [tex]1.39 * 10^{5} Pa[/tex] must be maintained in the reservoir.

It is given to us that -

The hydraulic lift has an output diameter = 40 cm = 0.40 m

It can lift cars up to 1800 kg

We have to determine the fluid gage pressure that must be maintained in the reservoir.

We know that, the formula of pressure is given as -

[tex]P = \frac{F}{A}[/tex]  ---- (1)

where,

F = normal force

A = Area

We can see that there is a normal force created as a result of the weight of the cars. So, we can find out the normal force by -

[tex]F = mg[/tex]  ---- (2)

where,

m = mass

g = acceleration due to gravity

Substituting the values in equation (2), we have -

[tex]F = mg\\= > F = 1800 * 9.8\\= > F = 17640 N[/tex] ------ (3)

Now, the area of the lift with an output diameter of 40 cm can be calculated as -

[tex]A = \pi (\frac{d}{2} )^{2}[/tex]  ----- (3)

where,

d = diameter

Substituting the given diameter value in equation (3), we have -

[tex]A = \pi (\frac{d}{2} )^{2}\\= > A= \pi (\frac{0.40}{2} )^{2} \\= > A = \pi (0.20)^{2} \\= > A = 0.1267 m^{2}[/tex]  ----- (4)

Substituting the value of force, F from equation (3) and area, A from equation (4) in equation (1), we have -

[tex]P = \frac{F}{A}\\= > P \frac{17640}{0.1267} \\= > P = 1.39 * 10^{5} Pa[/tex]

Therefore, the fluid gage pressure of [tex]1.39 * 10^{5} Pa[/tex] must be maintained in the reservoir.

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Even if the europa clipper can't send a lander down to europa's surface, it may still be able to sample the sub-ice ocean during some of its flybys because there is some evidence that plumes of water shoot out of Europa, and the spacecraft could fly through them.

Recent observations suggest that thin plumes might be ejected 100 miles above Europa's surface. The Hubble space telescope and some Galileo satellite data were used to make this finding. Even a NASA-led study team has found water vapor right over Europa's surface. Therefore, plumes emanate from Europa, and if they are connected to the ocean there, a spacecraft may fly through them to collect samples of the subglacial water.

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The steps that lead to a type I supernova event, in order of when they occur from first to last, are:

Initial state: The supernova process begins with a white dwarf star (WD) in a binary system. The WD is orbited by a companion star that is transferring matter onto the WD, forming an accretion disk around the WD.

Accretion disk on growing WD: As the companion star continues to transfer matter onto the WD, the accretion disk grows larger. This causes the WD to become more massive and increase in size.

WD at Chandrasekhar limit: At a certain point, the WD reaches the Chandrasekhar limit, which is the maximum mass a WD can have without collapsing. This occurs when the WD's mass is about 1.4 times the mass of the Sun.

Carbon fusion begins: As the WD continues to grow in mass and size, the pressure and temperature at its core become so high that carbon fusion begins. This process releases a huge amount of energy, which causes the WD to expand rapidly and become unstable.

Detonation: The unstable WD eventually reaches a critical point, known as the detonation point, where a sudden, explosive release of energy occurs. This is the beginning of the actual supernova event.

Final state: After the detonation, the WD continues to expand and cool, eventually becoming a supernova remnant. This is the final state of the supernova process.

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Complete Question:

rank the following steps that lead to a type i supernova event in order of when they occur from first to last.

-Initial State

-accretion disk on growing WD

-detonation

-carbon fusion begins

-WD at Chandrasekhar limit

-Final State

The speed of light wave is 3×10⁸m/sec. Light waves requires medium to travel, this speed is when light wave travels through vacuum.

The speed of light in vacuum, normally meant c, is a widespread actual steady that is significant in numerous areas of material science. The speed of light c is precisely equivalent to 299,792,458 meters each second (around 300,000 kilometers each second; 186,000 miles each second; 671 million miles for every hour). As per the extraordinary hypothesis of relativity, c is as far as possible for the speed at which traditional matter or energy (and hence any sign conveying data) can go through space.

All types of electromagnetic radiation, including noticeable light, travel at the speed of light. For the vast majority commonsense purposes, light and other electromagnetic waves will seem to engender momentarily, yet for significant distances and extremely delicate estimations, their limited speed makes perceptible impacts.

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The mass of the particle having a de Broglie wavelength of 2.25×10⁻⁹ m and moving with a speed of 2.34×10⁶ m/s is 1.26×10⁻³¹ kg.

The de Broglie equation relating the momentum of a particle with its de Broglie wavelength is given by:

λ=h/Mv

where 'λ' is de Broglie wavelength, 'h' is Planck's constant having its value as 6.626×10⁻³⁴ kg-m²/s and 'M' is the mass of the particle.

Using the above equation and the values of λ=2.25×10⁻⁹ m, v=2.34×10⁶ m/s, and h=6.626×10⁻³⁴ kg-m²/s;

λ=h/Mv

2.25×10⁻⁹ m=(6.626×10⁻³⁴ kg-m²/s)/(M×2.34×10⁶ m/s)

=>M=(6.626×10⁻³⁴ kg-m²/s)/(2.25×10⁻⁹ m×2.34×10⁶ m/s)

=>M=(6.626×10⁻³⁴ kg-m²/s)/(5.265×10⁻³ m²/s)

=>M=1.26×10⁻³¹ kg

Therefore, the mass of a particle with speed 2.34×10⁶ m/s with a de-Broglie wavelength of 2.25×10⁻⁹ m is given to be 1.26×10⁻³¹ kg.

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The sides xx and y will be parallel to the road and perpendicular to it, respectively.

2x + y = 2000 y = 2000 2x A = 2x + y = 2x2 + 2000 x

Locate the vertex:

=500 ⇒y=2000−2x\s​=1000\s ⇒A=x⋅y\s​=500⋅1000=500000

The largest area is 500000 square meters.

A rectangle is a quadrilateral with parallel sides that are equal to one another and four equal vertices. Due of this, it is also known as an equiangular quadrilateral. Due to their equal and parallel opposite sides, rectangles are also known as parallelograms.

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For healthy person,5 hour of sleep is not enough.Proper sleep helps any person to be active on whole day.

As per Healthline, short sleepers are analyzed through an evaluation also called the Morningness - Eveningness Survey that looks at how an individual acts in their everyday lives. Individuals may likewise be approached to follow their dozing propensities in a diary, recording things like hours spent conscious versus hours spent resting, frequently they awaken around midnight, and how frequently they lay down for rests.

Not everyone has them, which is exactly why our body might seek revenge on your sleep-deprived soul if we're only squeezing in a few hours of shut-eye each night. Maciek Drejak, founder of the alarm clock app Sleep Cycle, tells Elite Daily it all depends on your circadian rhythm, aka the internal clock telling us when it’s time to sleep at night and when to wake up in the morning.

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Using Centripetal Force the Number of revolutions per minute is 0.95rpm, such that the Space statition is rotating in circular path

A force that causes a body to follow a curved path is known as a centripetal force. It always moves in a direction that is the opposite of the body's velocity and in the direction of the immediate center of curvature of the path. It is "a force by which bodies are dragged or driven, or in any other way gravitate, towards a point as to a center," according to Isaac Newton. Gravity is the centripetal force that drives astronomical orbits according to Newtonian mechanics.

A common illustration of centripetal force is when a body moves uniformly fast in a circular motion. The centripetal force is directed towards the center of the circular route both along the radius and at right angles to the motion.

now coming to given statement,

In order for the station to produce an artificial gravity, its centripetal acceleration must be the same as the gravitational acceleration.

Since the radial acceleration is [tex]a_r[/tex] = g = [tex]\frac{v^2}{r}[/tex]

Since speed is V = rω

we get [tex]rω ^2[/tex] = g

therefore ω = [tex]\sqrt{\frac{g}{r} }[/tex]

                    = 9.9 × 10[tex]^-2[/tex] rad/ sec

Thus, it needs to rotate at a rate of

R = ω·60/2π

  = 0.95 rpm

Using Centripetal Force, the Number of revolutions per minute is 0.95rpm, such that the Space statition is rotating in circular path

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The ball's acceleration shortly before it reaches the ground is zero in both magnitude and direction.

The ball's diameter, d, and the amount of time, t, it takes to cross the photogate can both be used to calculate the beginning horizontal velocity. Vo = d/t, then.

A missile moves independently in both the horizontal and vertical directions. Therefore, regardless of their horizontal velocities, two objects subject to gravity who descend from the same height will touch the earth simultaneously.

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The vertical component of the velocity is 19.25 m/s.

The vertical component of the velocity can be determined using the trigonometric function of sine.

The sine of an angle is equal to the ratio of the opposite side to the hypotenuse of a right triangle.

In this case, the angle is 37° and the hypotenuse is the velocity, 25 m/s. We need to find the opposite side, which is the vertical component of the velocity.

We can use the equation for the sine of an angle to solve for this:

sin(37°) = Opposite side/25

We can rearrange this equation to solve for the opposite side:

Opposite side = 25 * sin(37°)

Using a calculator, we can determine that the opposite side is equal to 19.25 m/s.

Therefore, the vertical component of the velocity is 19.25 m/s.

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Yes, the number of asteroid samples a pods is carrying will make a difference. The number of asteroids carrying the pods will make a difference because the objects will differ in their million mass due to the number of pods present.

still, but the objects have the different million mass, the object with lower mass will have a lesser change in haste(velocity), If the same strength force is wielded on two objects. Forces affect stir because they can change an objects stir.

The number of asteroids carrying the pods will make a difference because the objects will differ in their million mass due to the number of pods present.

When the million mass of two objects differ, though the same strength of the force is wielded on both the million mass their haste changes as the million mass affect the haste of the object.

Still, they stop or their haste would be constant, If one of the object's mass is lesser than one also the lesser mass object will have further haste compared to the object with the lower mass and if million mass of both the object is the same.

Therefore, it is true that the number of asteroid samples a pod is carrying could make a difference.

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2.83x10-6T is the greatest component of the magnetic field that corresponds.

Given:

E = 850 v/m for the largest electric field component

Bm = E/c Bm is the formula for the electric field and the magnetic field.

then

Bm = E/c Bm

= 850/3x108

= 283.33x10-8

= 2.83x10-6T

To observe magnetic forces, one can utilise a magnetic field, an electric current, a changing electric field, or a vector field surrounding a magnet.  Magnetic fields cause electrically charged particles to move in a helical or circular pattern. Electric motors operate on this force, which is applied to electric currents in wires in a magnetic field.

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The  displacement skydiver stepping from a helicopter hovering thousands of meter above the ground is 60.025 m downward.

Displacement is the distance of a body in a specified direction.

To calculate the skydiver's displacement, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the skydiver's displacement is 60.025 m downward.

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Because of friction with seafloor, the bottom of the wave slows down more quickly than the top; yet, the top does not.

A force known as friction opposes the relative motion of two materials or objects. Molecule adhesion, waviness, and deformations are the underlying factors of this resistive force.

When two objects rub against one another, there is a force called friction that prevents either from moving. Friction is the movement of two objects against one another. Friction moves in the opposite direction and opposes motion. The materials the surface are comprised of affect how much friction there is.

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Time taken to get to the resturant with constant speed of 3.4 m/s is 294.2 seconds.

All the three are important concepts of motion and physics.

Speed = Distance/Time – Refers to how slow or fast an object moves. It describes the distance travelled divided by the time taken to cover the distance. Speed is directly Proportional to Distance and Inversely proportional to Time.

Distance is the length between two points.

We know that

speed,s = distance/ time

thus time,t = distance/speed

Here  d = 1000m; s = 3.4m/s

Hence we can say that

t = 1000/3.4 = 294.2 sec

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The frequency of wave is 0.75×10⁶Hz. if 400m is the wavelength of the  light wave.

Frequency is characterized as the rate at which current takes a backup way to go each second. It is assessed in hertz (Hz), a worldwide unit of measure where 1 hertz is identical to 1 cycle each second. The opposite of frequency is known as spatial frequency.

We know that for electromagnetic wave ,we have an equation

c=ν × λ

where c is the defined as the speed of wave in any medium,

ν is  defined as the frequency of the wave and

λ is defined as the  wavelength of the wave.

Since wave is light wave so speed(c) of light =3×10⁸m/sec,

wavelength=400m and frequency=? and

Therefore, 3×10⁸m/sec=v×400

=>v=(3×10⁸)/400

=>v=0.75×10⁶/sec

or=>v=0.75×10⁶Hz.

Hence, frequency of light wave is 0.75×10⁶Hz.

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(Complete question) is:

What is the frequency of wave having wavelength 400m.Assume wave is a light wave?

The Gravitational Force between the sun and the planet is 19.231 X 10¹⁹ Newton.

Mass of Sun = M = 1.99 X 10³⁰ Kg

Mass of the planet = m = 3.26 X 10²² Kg

Distance = d = 1.5 X 10¹¹ m

Gravitational Constant = G = 6.67 × 10⁻¹¹

The Gravitational force = F =

= F = (G X M X m ) / d²

= F = ( 6.67 × 10⁻¹¹ X 1.99 X 10³⁰ X 3.26 X 10²² ) / ( 1.5 X 10¹¹ )²

= F = 43.27 X 10⁴¹ / 2.25 X 10²²

= F = 19.231 X 10¹⁹ N

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The wavelength of wave is 1.29m  if the speed of wave is 340meters/sec and the frequency of the wave is 440Hz.

Right when you let out a boisterous cry inside a chasm, you consistently hear the reverberation of the holler. The sound waves travel through the medium; for this current situation, the air and skirt off the gorge wall and return to the beginning of the sound (you). The outcome is that you hear the reverberation of your holler.

We know that when an electromagnetic wave is going through speed v passing in a medium, it contains specific speed and frequency which is given by the expression

c=ν × λ

where c is defined as the speed of light in vacuum,

ν is  defined as the frequency of the wave and

λ is defined as the  wavelength of the wave.

Now, we have frequency(ν) = 440Hz, and speed(c)=340m/sec

So, using the above formula, we get

340=440×λ

=>λ=440/340

=>λ=1.29m

Hence, wavelength of sound wave is 1.29m

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The magnetic field in this solenoid is  0.3438 X 10⁻³ mT.

Number of loops = n = 200

Length of the solenoid = l = 60 cm = 0.6m

Thus, turns per m = 200/0.6 = 333.33

Current through the solenoid = i = 4.2

The magnetic field through the solenoid is = B =

= B = μ X n X I

= B = ( 4 X π X 10⁻⁷ X 200 X 4.2 ) / 0.60

= B = 10500.4 X 10⁻⁷ / 0.60

= B = 34383.66 X 10⁻⁷ T

= B = 0.3438 X 10⁻³ mT

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The de Broglie wavelength is 6.96 x 10^-33 m of a 1.90 kg rock thrown with a speed of 4.80 m/s into a pond.

λ = h/mv

λ = (6.626 x 10^-34)/(1.90 x 10^-3 x 4.80)

λ = 6.96 x 10^-33 m

Therefore, the de Broglie wavelength is 6.96 x 10^-33 m

De Broglie wavelength is a measure of the wave properties of a particle and is related to the particle's momentum. The equation for calculating the De Broglie wavelength is given by:

λ = h/p

where

λ = De Broglie wavelength

h = Planck's constant (6.626 x 10^-34 J*s)

p = momentum

The momentum of a particle can be calculated using the equation:

p = mv

where

m = mass of the particle

v = velocity of the particle

In this case, the mass of the rock is 1.90 kg and its velocity is 4.80 m/s.

Therefore, the momentum of the rock is:

p = 1.90 kg x 4.80 m/s = 9.24 kg m/s

Now we can calculate the De Broglie wavelength of the rock using the equation:

λ = h/p

λ = (6.626 x 10^-34 J*s) / (9.24 kg m/s)

λ = 7.

The de Broglie wavelength, named after the French physicist Louis de Broglie, is the quantum mechanical property of a particle that describes its wavelike behavior. It is the wavelength of a particle associated with its momentum, and is given by the equation

λ = h/p

where λ is the wavelength, h is Planck’s constant, and p is the momentum of the particle. This equation is important in understanding the behavior of particles in both classical and quantum mechanics. In classical mechanics, particles are described as having a definite position and momentum, and the de Broglie wavelength allows us to calculate the probability of a particle being in a certain position at a given time. In quantum mechanics, the de Broglie wavelength is used to calculate the probability of a particle being in a certain state.

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Drag racers are designed to provide high accelerations.

drag racing, form of motor by the  racing that originated in the United of  States and in which 2  contestants race from a particular standing starting side by side on a drag strip—a flat, straight courses, mostly commonly 1/4 mile (0.4 km) long.

In drag racing, acceleration is more importantly than the speed, and therefore drag by the  racers are designed by  the  provide Higher accelerations. Supposed a drag racer has a mass of 1250 kg and accelerates at the constant rate of 16.5 m/s².

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For a positive moving charge, the magnetic field is linear. If the charge travelling had been a negative charge, the magnetic field lines would have been oriented in the opposite way.

The magnetic field is also inversely proportional to the velocity of the travelling charge, or B v B v. (in this case the magnetic field is directly proportional to the speed). As a general rule, to determine the direction of the magnetic force acting on a negatively charged particle, first determine the force's direction acting on the positive charge, then reverse that direction to determine the force's direction acting on the matching positive charge. Therefore, in this issue, the force is pointed in the direction of the left. The right hand rule can be used to determine the direction of the magnetic force.

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The  wave peaks will reach the eardrum of a person sitting near that fork in 2 seconds is about 225

The crest is the highest point on the wave. The trough is the area that is the lowest. The wave length, also known as the wavelength, is the separation between two successive crests (or troughs), whereas the wave height is the overall vertical change in height between the crest and the trough.

in Wales, Snowdon (1085m) England's Scafell Pike (978m) Scotland's Ben Nevis (1345m)

The  wave peaks will reach the eardrum of a person sitting near that fork in 2 seconds is about 225

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