a scientist wants to measure the relationship between humidity in the summer and the number of home runs i baseball. Which of the folllowing teastable question about this topic?

Time of flight  is the  time flea in the air from the time it jumps to the time it hits the ground 0.64 seconds.

Time of flight= 2 time of ascent=[tex]2\times(\frac{u}{g} )[/tex]=[tex]2\times (\frac{3.13}{9.8})[/tex]=0.64 seconds

The time it takes for an object, particle, or wave (whether acoustic, electromagnetic, etc.) to traverse a distance across a medium is measured as time of flight (ToF). This data can then be used to determine the particle's or medium's attributes or to measure the particle's or path's velocity or length (such as composition or flow rate).The amount of time it takes the body to rise to its highest point from its starting posture is known as the ascension time. Complete solution, step-by-step For a projectile motion, the time to reach maximum height is called time of ascent.

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The wavelength of red light in the visible spectrum is longer than that of blue light. In general, red light has a wavelength range of around 620–750 nanometers, while blue light has a wavelength range of around 450–495 nanometers.

Chlorophyll, the pigment that is responsible for photosynthesis in plants, primarily absorbs light in the blue and red regions of the visible spectrum. Chlorophyll reflects green light, which is why most plants appear green. Chlorophyll a absorbs the most light in the blue-violet and red (about 430 and 662 nm, respectively), while chlorophyll b absorbs in the blue and orange-red (about 453 and 642 nm, respectively)s why most plants appear green. Chlorophyll a absorbs the most light in the blue-violet and red (about 430 and 662 nm, respectively), while chlorophyll b absorbs in the blue and orange-red (about 453 and 642 nm, respectively). This is why it seems as if the chlorophyll reflects green.

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After the stopcock is opened the final pressure in the flask is 172.92 torr, the final partial pressure of H2 is 492 torr, and the final partial pressure of N2 is 0.376 atm.

The final partial pressures of H2 and N2 after the stopcock between the two flasks is opened are given by the Ideal Gas Law (PV=nRT).

The Ideal Gas Law states that the product of the pressure, volume, and molar amount of a gas is equal to the product of the universal gas constant, R, and the temperature.

At constant temperature, the product of pressure and volume is directly proportional to the number of moles of gas, n. Therefore, when the stopcock is opened, the number of moles of H2 and N2 in the final flask is the sum of the number of moles in the original flasks.

The number of moles of H2 in the first flask is given by n1 = (P1V1) / (RT) = (492 torr x 2.00 L) / (0.0821 atm x L / mol x 273K) = 0.0428 mol

The number of moles of N2 in the second flask is given by n2 = (P2V2) / (RT) = (0.376 atm x 1.00 L) / (0.0821 atm x L / mol x 273K) = 0.0141 mol

The final number of moles of H2 and N2 is n = n1 + n2 = 0.0428 mol + 0.0141 mol = 0.0569 mol

After the stopcock is opened, the final pressure is equal to the product of the number of moles, n, and the ideal gas constant, R, and the temperature divided by the final volume Vf,

Pfinal = nRT / Vf = 0.0569 mol * 0.0821 atm x L / mol x 273K / 3.00 L = 0.0227 atm

In torr, the final pressure is Pfinal760 = 0.0227760 =172.92 torr.

The final partial pressure of H2 is 492 torr and the final partial pressure of N2 is 0.376 atm.

In conclusion, after the stopcock is opened the final pressure in the flask is 172.92 torr, the final partial pressure of H2 is 492 torr, and the final partial pressure of N2 is 0.376 atm.

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If a 0.55 kg tennis ball is struck by a tennis racket with 12 N of force pointing right, then the acceleration on the tennis ball will be 21.82m/s²

The acceleration of a tennis ball is determined by the equation

a = F/m, where a is the acceleration, F is the force, and m is the mass. In this example, the force is 12 N and the mass is 0.55 kg. Thus, the acceleration of the tennis ball is 21.82 m/s².

a=12/0.55

=21.82 m/s²

The direction of the acceleration is determined by the direction of the force. Since the force is pointing right, the acceleration will also be pointing right. This means that the speed and velocity of the tennis ball will both increase as it moves in the right direction.

In addition, the acceleration will cause the ball to accelerate and reach a terminal velocity. This means that the speed of the ball will eventually reach a maximum and then remain constant. This is due to the force of gravity and the air resistance caused by the ball moving through the air.

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The magnitude of the football's resultant displacement is 52.81 yards.

The given parameters;

   initial displacement backwards = 10 yards

   final displacement forward = 50 yards

   vertical displacement = 15 yards

The resultant horizontal displacement, x = 50 yards - 11 yards = 61 yards

The resultant vertical displacement, y = 17 yards

The magnitude of the football's resultant displacement is calculated by applying Pythagoras theorem as shown below;

R² = y² + x²

R² = 50² + 17²

R² = 2789

R = √2789

R = 52.81 yards

Thus, the magnitude of the football's resultant displacement is 42.72 yards.

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The ranking of the boxes from largest to smallest is (d) 150 N pushing on 7 kg box, > (f) 150 N pushing on 1 kg box, > (a) 140 N pushing on 5 kg box, > (b) 140 N pushing on 3 kg box, > (e) 130 N pushing on 7 kg box, > (c) 120 N pushing on 3 kg box.

There are two forces acting on each book, perpendicular to each other. One is the pushing force, which is acting normal to the wall and the other one is gravitational force(weight) of the box acting downwards.

For box a) weight of the box, = 5 × 9.81 = 49.05 N

Pushing force on the box(a), = 140 N

Resultant force, R₁ = √(140²+49.05²) = 148.34 N

Similarly for box (b), R₂ = = √(140²+29.43²) = 143.06 N

Similarly for box (c), R₃ = = √(120²+29.43²) = 123.56 N

Similarly for box (d), R₄ = = √(150²+68.67²) = 164.97 N

Similarly for box (e), R₅ = = √(130²+68.67²) = 147.16 N

Similarly for box (f), R₆ = = √(150²+9.81²) = 150.32 N

So the ranking from largest to smallest force would be, d > f > a > b > e > c.

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Your new weight on Earth would be 130 N.

The weight of a body is the measure of the force of gravity on the object or body.

Mathematically, the formula for the weight of a body is given as;

W = mg

where;

The formula for acceleration due to gravity is obtained by combining Newton's second law of motion and Newton's law of universal gravitation.

F = mg = GmM / R²

g = GM/R²

where;

Assuming the the Earth were five times as massive as it is and its radius

were five times its present value, the new acceleration due to gravity is calculated as;

g' = (G x 5M ) / ( 5R )²

g' = ( 5 / 25 ) (GM/R²)

g' = 1/5 g

So the new acceleration due to gravity will reduce by 1/5, hence the new weight will equally reduce by 1/5.

new weight = 1/5 x 650 N

new weight = 130 N

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The reason we use the kelvin scale for thermodynamic and dynamic meteorological equations is because it is an absolute temperature scale that relates directly to kinetic energy and volume.

Using the Kelvin scale of temperature, it is easy to represent many fundamental laws and their associated mathematical equations. The Kelvin scale is a scale of absolute temperature, with zero at absolute zero. As an absolute scale, the Kelvin scale does not allow for degrees to be used in measurements.

Given that it only measures positive values and that its zero point is the temperature of absolute zero, the Kelvin scale is an absolute scale. The lowest theoretical temperature, or zero Kelvin, is the point at which a body can no longer lose thermal energy.

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Inertia moment and physical pendulum are two notions needed to tackle this issue. In this case, R is the radius from rotation axis, & M is the size of point atom. when the real pendulum hits its point of inertia,

Body suspended from the a fixed point to act as a pendulum that swings back and forth as a result of gravity. Because the period—the amount of time between each full oscillation—is constant, pendulums are employed to control the movement of clocks.

a system made composed of a string that hangs from an overhead support and an object just at string's bottom. Gravity and the string's combined force cause the object to swing back and forth. Bob the Pendulum

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If sound a has a frequency of 450 Hz and sound b has a frequency of 447 Hz, when both are played together, we hear 3 beats per second.

The frequency of a sound wave is the quantity of vibrations created by a medium particle in one second. It is given in hertz (Hz), an internationally recognised unit of measurement.

The number of times per second that a sound pressure wave repeats itself is known as frequency, often known as pitch.

The frequency of a sound wave is the quantity of vibrations created by a medium particle in one second.

The frequency of sound A is 450 Hz and frequency of sound B is 447 Hz.

If both the beats are played together, the frequency of sound wave is 450 Hz - 447 Hz = 3 Hz. Therefore, an individual will hear 3 beats per second.

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The magnitude of the gravitational force acting on the satellite is  7.43 × 10⁻¹⁷ Newton.

The definition of force in physics is: The push or pull on a massed object changes its velocity. An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude.

A spring balance can be used to calculate the Force. The Newton is the SI unit of force.

The magnitude of the gravitational force acting on the satellite = GMm/(R+ 2R)²

= (6.67 × 10⁻¹¹× 4500 × 3.39× 10⁶)/(3 × 3.39 × 10⁶)² Newton

= 7.43 × 10⁻¹⁷ Newton.

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Answer:

621 N.

Explanation:

While a car travels around a circular track at a constant speed, its speed is changing with direction.

The acceleration of an object is the rate of change of velocity of the object with time.

The acceleration of an object moving in a circular track is known as centripetal acceleration.

a = v²/r

where;

The speed of an object is a scalar quantity without direction, but when it occurs in a circular track, the speed occurs in different direction, so acceleration for constant speed in a circular track cannot be zero.

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The height and velocity of the football are calculated below.

What is velocity?

Velocity is a vector quantity that describes the rate of change of an object's position in a specific direction. It is defined as the displacement (change in position) of an object per unit time. The units of velocity are typically meters per second (m/s) or kilometers per hour (km/h). Velocity can also be represented by a vector arrow pointing in the direction of motion, with the magnitude of the arrow representing the speed of the object.

A. The greatest height reached by the ball can be calculated using the equation:

h = v_i^2 / (2 * g)

where h is the height, v_i is the initial velocity, and g is the acceleration due to gravity (approximately 9.8 m/s^2).

To find h:

h = (v_i^2) / (2 * 9.8)

B. To find the initial velocity, we can use the equation:

v_f^2 = v_i^2 + 2 * a * d

where v_f is the final velocity, v_i is the initial velocity, a is the acceleration (in this case, the acceleration due to gravity), and d is the distance traveled.

The distance traveled is the height of the ball at its highest point, which we found in part A. Since the ball is coming back down, final velocity will be zero.

v_f = 0

and the distance traveled is h.

Therefore,

v_i^2 = 2 * 9.8 * h

Finally, the initial velocity can be found by taking the square root of v_i^2.

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The planet's orbital radius is the properties can be inferred from the star’s orbital period. Hence option 'a' is correct.

An orbital period is the time it takes for an astronomical object to complete an orbit around another object. In astronomy, it often refers to objects revolving around the Sun, such as planets or asteroids, as well as moons revolving around other star, exoplanets, and the double stars.

A satellite's mass does have an impact on its orbit. The orbital period & radius of the satellite are influenced by its mass. A satellite's orbital period and radius will be shorter and smaller if it has higher mass.

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Work is described as the force applied over a distance, so

W = Fxd

F = W/d = 400 mJ / 0.1 m = 4000 N

So the average force exerted by the it on the ground is 4000 N.

If work is done then there are three components involved. These are the amount of force, the distance of the displacement, and the reason behind the displacement. After multiplying force and distance for work, we get the unit of joules.

Work is the usage of force to move an object. It is directly related to the force involved and the distance the thing moves. Work can be calculated with: Work = Force x Distance.

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The greatest height reached by the ball is -9.5m and the speed with which it leaves the kicker's foot is 15.69 m/s.

The kinematic equation of motion is a mathematical equation that describes the position, velocity, and acceleration of an object in motion. It is used to calculate an object's motion in terms of its position, velocity, and acceleration over time. There are four kinematic equations of motion, which are:

v = u + at

s = ut + 1/2at^2

v^2 = u^2 + 2as

s = vt - 1/2at^2

where v is the final velocity, u is the initial velocity, a is the acceleration, t is the time and s is the displacement. These equations can be used to solve problems related to a motion under constant acceleration.

to solve for the greatest height reached by the football, and the speed with which it leaves the kicker's foot, we can use the following kinematic equations:

h = vit + 1/2a*t^2

vf^2 = vi^2 + 2ah

where h is the height, vi is the initial velocity (upwards), t is the time, a is the acceleration (downwards, due to gravity), and if is the final velocity (at the greatest height).

Given:

Time of flight, t = 5.4s

Gravity acceleration, a = -9.8 m/s^2 (downwards)

Final velocity, vf = 0 m/s (at the greatest height)

We can use the first equation to solve for the initial velocity, vi:

h = vit + 1/2at^2 (1)

0 = vi5.4 + (-4.9)(29.16)

vi = (4.929.16)/5.4 = 15.69 m/s (2)

We can use the second equation to solve for the height:

vf^2 = vi^2 + 2ah (3)

0 = 15.69^2 + 2*(-9.8)h

h = (15.69^2)/(2-9.8) = -9.5 m (4)

The greatest height reached by the ball is -9.5m and the speed with which it leaves the kicker's foot is 15.69 m/s.

We have used the kinematic equations of motion h = vit + 1/2at^2 and vf^2 = vi^2 + 2a*h for solving the problem as it is a vertical motion problem where the initial velocity is not known and the height and time are known.

It is important to note that the height is negative because the ball is kicked upwards, and the initial height is considered as zero. It reaches a certain height and comes back to the ground level. It doesn't mean that the ball went below ground level.

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Since Hailey is on the cart with Christine and Conner is on the other cart. Hence, it is determined that Conner's mass is 93 kg.

It is the most central tenant of matter and one of the essential quantities in physics. As a way to gauge how much matter is there in a body, we might use the term mass. The kilograms is the SI unit of mass (kg). A body's mass does not alter at any point in time.

Adult men and women can utilize the body-mass index (BMI), an assessment of body fat based on height and weight. Body Mass Index (BMI) is determined by dividing a person's kilograms divided by their height in metres squared (or feet).

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The average speed of Wilma over the entire trip is 3.92 m/s.

The speed at which an object's location changes in any direction. The speed of an item, which is a scalar quantity, is the size of the change in its location over time or the size of the change in its position per unit of time.

Let us consider that distance between A and B is x, time taken by Wilma to go from point A to point B is t1 and time taken by Wilma to go from point B to A is t2.

Given,

x=5.20 t1

x=3.15 t2

t1=[tex]\frac{x}{5.20}[/tex], t2=[tex]\frac{x}{3.15}[/tex]

Average speed= v=[tex]\frac{2x}{t1+t2}[/tex]

v= [tex]\frac{2x*16.38}{3.15x+5.20x}[/tex]

v=[tex]\frac{32.76x}{8.35}[/tex]

v=3.92 m/s.

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Arcology is the fusion of architecture with ecology, a comprehensive urban perspective. In nature, as organisms evolve, they increase in complexity and become a more compact system. A city should similarly evolve, functioning as a living system.

Arcology's major goal is to stop urban sprawl, which can be accomplished by building self-sufficient, remote settlements and structures that are (ideally, gigantic).

While it is theoretically conceivable to construct an arcology, at least structurally, it would take creative engineering to ensure the essential energy generation, food production, and waste reclamation systems are sustainable.

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Answer:

The concept of arcology that appealed to me the most is the fusion of architecture with ecology. If I were to incorporate an arcology concept into my community design, I would focus on creating a pedestrian environment where pedestrians move efficiently and freely.

Explanation:

The galaxy that would appear to be the youngest when we look at a photograph of many galaxies assuming that all of these galaxies formed at the same time after the big bang is the one that is farthest away (option C)

The youngest and farthest galaxy that scientists have seen is GN-z11. This video pans to the object's distance of 32 billion light-years.

High-redshift galaxy GN-z11 can be found in the constellation Ursa Major. It was the farthest known galaxy ever found from Earth.

The 2016 publication led by Pascal Oesch and Gabriel Brammer revealed the 2015 discovery (Cosmic Dawn Center). With a spectroscopic redshift of z = 10.957, or a proper distance of roughly 32 billion light-years, GN-z11 was the oldest and most distant known galaxy yet identified in the observable universe until the James Webb Space Telescope found JADES-GS-z13-0 in 2022. (9.8 billion parsecs).

The question is incomplete, it should be:

Suppose that we look at a photograph of many galaxies. Assuming that all galaxies formed at about the same time, which galaxy in the picture is the youngest?

a. the one that is reddest in color

b. the one that is bluest in color

c. the one that is farthest away

d. the one that is closest to us e. the one that appears smallest in size

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With the frequency set at 1 Hz, if the inductance of the inductor is increased the maximum current increases. An increase in inductance of the inductor in an AC circuit will cause an increase in the maximum current.

The maximum current will rise when the inductor's inductance in an AC circuit increases. This is due to the fact that an increase in inductance also results in an increase in inductive reactance, which is the resistance to changes in current. In order to keep the same voltage across the inductor as the inductive reactance grows, the circuit's current must also grow. The inductive reactance is exactly inversely proportional to the inductance at a fixed frequency of 1 Hz, therefore as the inductance rises, the maximum current rises as well.It's also important to mention that the maximum current in an AC circuit is the peak current and in a sinusoidal wave the peak current is the RMS value multiplied by the square root of 2.

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Line C. Gravity is a force that pulls objects towards the Earth's surface. The curved line depicts this force, so it is the arrow that depicts the force of gravity on the thrown football.

Force is the action of one body or object on another that causes it to move, stop, or change direction. It is a vector quantity, meaning it has both magnitude and direction. Forces can be exerted on objects by other objects, or they can be self-generated, such as through the action of gravity. Examples of forces include the force of a hammer striking a nail, the force of gravity on an object, the force of air on an airplane, and the force of friction between two surfaces. Force can also be used to describe energy, such as the force of a chemical reaction, or the force of a magnetic field.

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Her apparent weight W' = 22.54 m/s2 is 5.2 times what she normally weighs. to ascertain the rocket's acceleration.

The pace at which speed changes is known as acceleration.So because direction of an object's velocity is shifting even while it follows a circular course, it continues to accelerate.

According to the formula a = v/t, kinetic energy (a) is the product of the shift in velocity (v) and the time shift (t). In terms of meters per minute squared (m/s2) this enables you to calculate how quickly velocity varies.

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The officer might want to determine the driver's identity and verify that the driver has a valid driver's license. The officer could also use the flashlight to look for signs of intoxication, such as bloodshot eyes or a strong odor of alcohol.

What is the flashlight?

A flashlight is a device that emits a concentrated beam of light when powered by a battery. Flashlights are handheld, portable light sources that can be used to illuminate dark areas and enhance visibility in low-light situations. Flashlights come in a variety of sizes and shapes and typically use either an incandescent bulb or a light emitting diode (LED) as a source of light. Flashlights are mainly used for recreational activities such as camping, hiking, hunting and fishing, but they are also essential tools for emergency personnel and security guards.

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Nichrome materials is the poorest electrical conductor

The electrical conductivity of Nichrome is the least. Therefore Nichrome is the poorest electrical conductor.

An item or category of material known as a conductor allows for the flow of charge (electric current) in one or more directions. Both physics and electrical engineering utilize this phrase. Electrical conductors are usually made of metal-based materials. Electric current is a flow of positively charged holes, negatively charged electrons, and occasionally positive or negative ions.

It is not essential for one charged particle to move from the component creating the current (the current source) to those consuming it for current to flow within a closed electrical circuit (the loads).

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Given that it has a 1.5 m wavelength The wave moves 0.75 m in one second as a result it takes the wave 8 seconds to move 6.0 meters in the x-direction.

Newton's First Law of Motion (Inertia) An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force.

The wavelength of the wave is given as 1.5 meters and it is traveling in the x-direction. The speed of a wave can be calculated using the formula:

Speed = Wavelength / Period

Since the wave is crossing the x-axis every second, its period is 1 second. So, the speed of the wave can be calculated as:

Speed = 1.5 meters / 1 second = 1.5 meters/second

To find out how long it takes the wave to travel 6 meters in the x-direction, we can use the formula:

Time = Distance / Speed

Time = 6 meters / 1.5 meters/second = 8 seconds

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Answer:

8.0

Explanation:

Sound waves travel through the air and can be blocked by walls. When a sound wave passes through a wall, the wall absorbs some of the sound energy, resulting in the higher-pitched sound waves being blocked more than lower-pitched sound waves.

This is because higher-pitched sound waves have shorter wavelengths, making them more susceptible to being blocked than lower-pitched sound waves, which have longer wavelengths.

This phenomenon is known as wave-particle duality, which states that sound waves have both particle-like and wave-like properties. The particle-like property of higher-pitched sound waves makes them more susceptible to being blocked by walls than lower-pitched sound waves. This is why you can hear lower-pitched sounds more clearly when they pass through a wall.

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the energy the box has, because of its position above the floor. d. any of these

Any of these. The potential energy of a box on a shelf, relative to the floor, is the energy the box has because of its position above the floor.

Potential energy is a type of energy stored in an object due to its relative position or condition. This energy is the result of forces acting on an object, such as gravity, tension, and compression. The object has the potential to do work, as it can be converted into kinetic energy. Potential energy can be stored in a variety of forms, such as chemical, mechanical, electrical, and gravitational. The amount of potential energy an object has is determined by its position, configuration, or condition.

This energy is determined by the work done putting the box on the shelf from the floor, as well as the weight of the box times the distance above the floor.

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(2 pts.) What is the weight of the fish.spring with spring constant k = 340 N/m is used to weigh a 6.7-kg fish. a. (2 pts.)

What is weight ?

Weight is a measurement of the force of gravity on an object or person. It is typically measured in units of mass such as kilograms, pounds, or ounces. Weight is an important factor in determining a person's overall health, as well as their ability to perform physical tasks.

The spring stretches 0.2 m.

Fspring = F = ma = 340N = 6.7kg * a

a = 340N/6.7kg = 50.7 m/s^2

Δx = vt = 0 * t = 0

Δx = (1/2)at^2 = (1/2)(50.7 m/s^2)(t^2)

t = √(2Δx/a) = √(2*0.2m/50.7 m/s^2) = 0.2 m

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The string is under 58.03 N of stress, in accordance with the supplied information.

The frequency of a repeated event is its number of instances per amount of time. It differs from angular frequency and is sometimes referenced to as temporal resolution for clarification. One occurrence per second, or hertz (Hz), is the unit of frequency.

λ = Wavelength = 0.770 m

f = Frequency = 45.0 Hz

m = Mass of string = 0.145 kg

L = Length of string = 3.00 m

μ = Linear density = m/L

The wave's speed is determined by

v = λf

v = 0.770 * 45.0

v= 34.65 m/s

The source of the string's tension is

T = v²μ

T = (34.65)² * 0.145/3.00

T = 58.03 N

The string is under 58.03 N of stress.

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