Two charges separated by a distance of 3.0 meters exert a 2.0 N force on each other. If the charges are pushed to a separation of 1.0 meter, the force on each charge will be

Explanation:

the correct answer is (true) if am not mistaking incase am wrong sorry

Answer: 501.57g

Explanation: g=1.06×473.176

The magnetic field strength willl be 2 T. A force known as the Lorentz force acts on the charge when it is subject to an electric and magnetic field.

Lorentz force is defined as the force acting on point charge when it is moving in an electric and magnetic field.

The given data in the problem is ;

B is the magnetic field strength =? T.

Current, I =?

L is the length of the wire

The magnetic force is found as;

F= BIL

15 N  = B × 3 A ×  2.5 m

B = 2 T

Hence, the magnetic field strength willl be 2 T.

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Answer:

Time:

t = 12 s

Explanation:

Given:

g = 1.62 m/s

H = 120 m

V₀ =0 m/s

__________

t - ?

From the formula:

H = V₀·t + g·t² / 2

H = g·t² / 2

we find the time:

t = √ (2·H / g)

t = √ (2·120 / 1.62) ≈ 12 c

The higher the PRF (pulse repetition frequency) of the pulse packet used in color Doppler, the better the flow sensitivity.

The PRF is the rate at which the same pulse is sent out and received back, and is usually measured in kilohertz (kHz). A higher PRF means that more pulses can be sent out and received back in a given time frame. This means that there is more information available to detect flow, so the sensitivity is higher.

When using color Doppler for flow imaging, it is important to have the highest possible PRF. By increasing the PRF, the sensitivity of the imaging technique is increased, making it possible to detect smaller flows than would be possible with a lower PRF.

However, increasing the PRF also increases the noise levels, which can reduce the image quality, so the PRF should be set to the highest level that still produces a good image. In addition, increasing the PRF can increase the power requirements, which can be an issue in some applications.

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Jupiter's volume is more than ten times as large as Saturn's volume. This statement is true. Jupiter is the largest planet in our solar system with a volume of about 1,431,281,810,739 km³ while Saturn is the second-largest planet with a volume of about 827,129,915,150 km³.

Jupiter is approximately 11 times larger than Saturn. The two planets belong to the gas giant category, and they share many similarities such as having a large number of moons. Jupiter is famous for its Great Red Spot and powerful magnetic field, while Saturn is well-known for its stunning ring system. Both planets have been the focus of scientific research and exploration, and they continue to fascinate scientists and stargazers alike. In conclusion, Jupiter's volume is more than ten times as large as Saturn's volume.

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The only locational or central tendency metric that is given that is susceptible to extreme values is the mean.

To provide answers about programmes and efforts the most fundamental purpose of measurement. For instance, someone could be interested in finding out how many lectures were offered throughout the academic year, how many people took a certain course, or what the students thought of the course.

When something is done "just in case," it is handled in add to a slew of other tasks. I asked it again just to be sure. Some information on properties was added just for good measure.

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We can assume that the speed of the electron is very close to the speed of light c. Using this assumption, we can write the expression above as v ≈ c(1 + 2/2000) = c(1.001)

77. (a) Let the kinetic energy of the electron be KE and the rest energy be mc². The given condition states that KE = 5mc². We know that KE = 1/2mv². Using this expression, we can find the velocity of the electron.

KE = 1/2mv²

5mc² = 1/2mv²

v = √(2KE/m) = √(10mc²/m) = √10c² = √10 × 9 × 10¹⁶ = 3 × 10⁸ m/s

Therefore, the speed of the electron in this case is 3 × 10⁸ m/s.

(b) Here, KE = 999mc². Using the same method as above, we can find the velocity of the electron.

KE = 1/2mv²

999mc² = 1/2mv²

v = √(2KE/m) = √(1998mc²/m) = √1998c² = √(2000 - 2)c²

The speed of light is approximately 3 × 10⁸ m/s.

Therefore, the speed of the electron in this case is approximately 3 × 10⁸ × 1.001 = 3.003 × 10⁸ m/s.

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Answer:

P = E / t      definition of power

P = (1/2 m v2^2 - 1/2 m v1^2) / t

P = m / (2 * t) * (v2^2 - v1^2)

P = 1300 kg / 6 sec * (17.9^2 - 13.4^2)

P = 217 * 141 = 30,600 J/sec

The power required to pass the slow-moving truck is 34,905 watts.

Power is a physical quantity that measures the rate at which work is done or energy is transferred. It is defined as the amount of energy transferred or work done per unit time. The SI unit of power is watts (W), which is equivalent to joules per second (J/s).

In simpler terms, power is the rate at which energy is used or work is done. It is a measure of how quickly something can accomplish a certain task or transfer energy. The greater the power of a system, the faster it can perform a given amount of work.

Power = Work done / time taken = Force x distance/time taken

Here in the Question,

To calculate the power required to pass the slow-moving truck, we need to use the formula:

Power = Force x Velocity

where Force is the net force acting on the car and Velocity is the final velocity of the car after acceleration.

To find the force, we can use Newton's second law of motion:

Force = mass x acceleration

where mass is the mass of the car and acceleration is the change in velocity over time.

Given:

Initial velocity, u = 13.4 m/s

Final velocity, v = 17.9 m/s

Time, t = 3 s

Mass of car, m = 1300 kg

The acceleration can be calculated using the formula:

Acceleration = (Final velocity - Initial velocity) / Time

Acceleration = (17.9 m/s - 13.4 m/s) / 3 s

Acceleration = 1.5 m/s^2

Now we can calculate the force:

Force = mass x acceleration

Force = 1300 kg x 1.5 m/s^2

Force = 1950 N

Finally, we can calculate the power required to pass:

Power = Force x Velocity

Power = 1950 N x 17.9 m/s

Power = 34,905 W

Therefore, the power required to pass the slow-moving truck is 34,905 watts (or approximately 35 kW).

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Answer:

La presion a 40 °C es 1.05 atm.

Explanation:

Usando la ecuación ideal de los gases.

\(PV=nRT\)

Debemos recordar, que CNPT significa condiciones normales de presión y temperatura.

Para el primer estado tenemos:

\(P_{1}V_{1}=nRT_{1}\)

Donde:

Para el segundo estado:

\(P_{2}V_{2}=nRT_{2}\)

Donde:

Como ambas ecuaciones tienen el mismo valor de volumen podemos igualarlas:

\(\frac{nRT_{1}}{P_{1}}=\frac{nRT_{2}}{P_{2}}\)

n y R permanecen constantes, se puden cancelar.

\(\frac{T_{1}}{P_{1}}=\frac{T_{2}}{P_{2}}\)

Despejamos P(2).

\(P_{2}=\frac{P_{1}T_{2}}{T_{1}}\)

\(P_{2}=\frac{1*313}{298}\)

\(P_{2}=1.05\: atm\)

Espero te haya sido de ayuda!

Answer:

Height

Explanation:

I’m not to sure this is correct please correct me if I am wrong

Answer:

Probably skin cancer

Explanation:

<3

Answer:

Energía cinética.

Explicación:

La energía cinética es un tipo de energía que se utiliza para hacer girar la turbina. La energía cinética que está presente en el fluido o el viento obliga a girar la turbina que convierte esta energía y conduce a la generación de energía eléctrica. Cuando el viento o el fluido en movimiento toca las palas de la turbina, provoca la rotación de la turbina y, debido a esta rotación, los generadores conectados a la turbina también inician un movimiento que produce energía eléctrica.

The orbital period for Exoplanet A is estimated to be 18.4 days based on the time between two transit events observed on the graph. This calculation assumes a regular and consistent orbital pattern, but the actual period may vary slightly due to factors like orbital eccentricity.

The first transit event occurs at day 10.5 on the graph. The second transit event occurs at day 28.9 on the graph. The time between these two events is 28.9 - 10.5 = 18.4 days.

It is important to note that this is just an estimate of the orbital period. The actual orbital period may be slightly different due to factors such as the eccentricity of the orbit.

Here are the steps I took to calculate the orbital period:

The orbital period for Exoplanet A is 18.4 days.

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The principal methods of measuring distance are the

Distance is the total path length between two points.

Given is to find the distance between the peak of Mt. Freddy to the peak of Mt. Shea

The principal methods of measuring distance are the

Therefore, the principal methods of measuring distance are the

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Answer:

33.23 m

Explanation:

At the point where both objects will meet, the vertical height will be equal.

From the equations of motion, the vertical height of the body falling at any time is given as

(y - y₀) = ut + ½gt²

y = vertical height at any time T

y₀ = initial height of the object = 81.5 m

u = initial velocity = 0 m/s (body was dropped)

g = -9.8 m/s²

(y - 81.5) = 0 - 4.9T²

y = 81.5 - 4.9T² (eqn 1)

For an object thrown up, the vertical height of the body at any time, t, is given as

(y - y₀) = ut + ½gt²

y = vertical height of the object at any time t

y₀ = initial height of the object = 0 m

u = initial velocity = 40 m/s

g = -9.8 m/s²

y = 40t - 4.9t² (eqn 2)

At the point where the two objects meet, we equate eqn 1 and eqn 2

y = y

81.5 - 4.9T² = 40t - 4.9t²

But T = (t + 2.2) (Since object 2 was dropped 2.2 s after object 1)

81.5 - 4.9(t + 2.2)² = 40t - 4.9t²

81.5 - 4.9(t² + 4.4t + 4.84) = 40t - 4.9t²

81.5 - 4.9t² - 21.56t - 23.716 = 40t - 4.9t²

81.5 - 21.56t - 23.716 - 40t = 0

57.784 = 61.56t

t = (57.784/61.56) = 0.93866 = 0.94 s

Therefore, the vertical height at t = 0.93866 s is

y = (40×0.93866) - 4.9(0.93866²) = 33.23 m

Hope this Helps!!!

Answer:

earth is 4.54 billion years old

for an organism to survive they would have to change ( mutate )

A mutation is any permenant change in dna of a gene or chromosome

some mutations are bad and some can be good

Explanation:

Answer:

Respect for elders, Honesty, and Reservedness

Explanation:

As a child, due to the nature of my father's job, I grew up in a barrack where people of different ethnic and cultural backgrounds lived. My father is a highly disciplined man who give great values to behavioral values such as respect, honesty and reservedness. His soldier friends who are equally disciplined instill the same values in their wards. They taught us the importance of possessing these great attributes and ensured that there was compliance.

The upbringing I had as a child made me see these three attributes as a lifestyle and they now have an enormous effect in my daily life.

Answer:

Because I was raised using Authoritative parenting I notice some behavioral effects in myself such as brutal honesty, and heavy loyalty.

Explanation:

hope this helps!!!

The magnetic filed is created here by by the coil. Coil is to strengthen the magnetic field by  providing the electrical energy.

A bar magnet is an object capable of creating a magnetic field associated with an electric field. Bar magnets are usually made of metals having permanent magnetic properties such as iron.

A magnetic field is associated with an electric field. The strength of both field are in direct proportion. A moving electric field always creates a magnetic field with the direction of magnetic flux lines perpendicular to the electric field lines.

The coil in contact with the bar magnet is to strengthen the magnetic field by generating an electric field. Wires of coil are electrically conducting with a number of turns to produce the magnetic filed and as the number of turn increases field strength increases.

When the current is turned off there will be no magnetic field. Therefore, the coil is appear to be creating the magnetic field.

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For a neutral atom of radon-222, the number of protons is 86, the number of neutrons is 136, and the number of electrons is 86.

A neutral atom can be described as one in which the amount of the positive charge is equal to the of amount the negative charge. Therefore, the net charge on the atom will be equal to zero. Therefore, such type of atom is said to be a neutral atom.

For a neutral atom, we usually say that the number of electrons in an atom is equal to the number of protons. All chemical elements which are arranged in the modern periodic table are in their neutral state.

Given, the atomic number of Radon-22 is 86.

Atomic number = the number of electrons = Number of protons

The number of electrons for the neutral atom of Rn = 86

The number of protons in Rn-222 = 86

The number of neutrons = 222 - 86 = 136

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If a collapsing interstellar cloud formed only a protostar without an accretion disk around it.

When an interstellar cloud collapses under its own gravity, it can form a protostar. However, the protostar is often surrounded by a rotating disk of gas and dust called an accretion disk. This disk is important because it allows material to fall onto the protostar, increasing its mass and causing it to grow in size.

If a collapsing interstellar cloud formed only a protostar without an accretion disk around it, the protostar would not be able to accrete additional material as effectively. This would limit its growth and could result in a smaller final size than if it had an accretion disk.

Without an accretion disk, the protostar would also not be able to form planets or other objects in orbit around it. Planets form from the leftover material in the accretion disk that orbits the protostar. Without an accretion disk, there would be no material available to form planets.

Additionally, the lack of an accretion disk could affect the rotation of the protostar. The accretion disk is responsible for transferring angular momentum away from the protostar, allowing it to spin faster. Without an accretion disk, the protostar may not be able to shed its excess angular momentum, leading to slower rotation.

Hence, the formation of a protostar without an accretion disk would have a significant impact on the subsequent evolution of the system, limiting the growth of the protostar and preventing the formation of planets.

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E =lE0xi describes the electromagnetic current in a particular area. If a cubic container bounded by the surface x=0,x=a,y=0,y=a,z=0,z=a contains x1012C of charge.

E=Fqtest=k|Q|r2. The size of the electrical field produced by a charged object Q is determined by this equation. The radius r in the fraction is the separation between the area of interest and the point charged, Q, or the center of the a spherical charge.

This can be calculated using the distance formula: (x0)2+(y0)2=x2+y2. If and only if x2+y2=r, or if we squaring both sides: x2+y2=r2, is a point (x,y) at a distance from the origin. This is the formula for the r-radius circle centered at the.

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Answer: 8.6m/s

Explanation:From KE=1/2mv^2

In order to make v the subject of the formula we divide both sides by 1/2m. Thus V^2 will be left alone on the RHS. But we are looking for v and not v^2. Thus we find the square root of KE1/2m

Meaning V= sqrt[3000÷1/2 of 80]

=sqrt[3000÷40]

=sqrt(75)

=8.6m/s

The energy source of a protostar is gravitational contraction. This gravitational contraction is what makes it possible for the protostar to become a fully-fledged star, and it is the reason why protostars are so hot and bright when they first form.

A protostar is a dense cloud of gas and dust that forms from the gravitational collapse of a molecular cloud. As the protostar collapses under the force of its own gravity, it becomes denser and hotter, eventually reaching a temperature and pressure at which nuclear fusion can occur in the core. The energy source of a protostar is gravitational contraction.

When a protostar is first formed, it is very large and diffuse, with a low density and a low temperature. However, as it continues to collapse under the force of gravity, it becomes denser and hotter, eventually reaching a temperature and pressure at which nuclear fusion can occur in the core. Nuclear fusion in the core is what powers a fully-fledged star, but before this can happen, the protostar must first collapse enough to trigger this process.

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Answer:

The kinetic coefficient of friction between the runners of the sled and the snow is approximately 0.176.

Explanation:

At first we present a free body diagram of the sled as an image attached below. From 1st and 2nd Newton's Laws we know that an object is at equilibrium when it is either at rest or moving at constant velocity. The equations of equilibrium associated with the sled is:

\(\Sigma F_{x'} = f-W\cdot \sin \theta = 0\) (1)

\(\Sigma F_{y'} = N-W\cdot \cos \theta = 0\) (2)

Where:

\(\theta\) - Inclination of the hillside, measured in sexagesimal degrees.

\(N\) - Normal force from ground to sled, measured in newtons.

\(W\) - Weight of the sled, measured in newtons.

\(f\) - Kinetic friction between sled and ground, measured in newtons.

The definitions of kinetic friction and weight are, respectively:

\(f=\mu_{k}\cdot N\) (3)

\(W = m\cdot g\) (4)

Where:

\(\mu_{k}\) - Kinetic coefficient of friction, dimensionless.

\(m\) - Mass of the sled, measured in kilograms.

\(g\) - Gravitational acceleration, measured in meters per square second.

By applying (3) and (4) in (1) and (2), we have the following system of equations:

\(\mu_{k}\cdot N-m\cdot g\cdot \sin \theta = 0\) (1b)

\(N -m\cdot g \cdot \cos \theta = 0\) (2b)

And by applying (1b) in (2b), we have the following expression for the kinetic coefficient of friction:

\(\mu_{k}\cdot m\cdot g \cdot \cos \theta -m\cdot g \cdot \sin \theta = 0\)

\(\mu_{k} = \tan \theta\) (5)

If we know that \(\theta = 10^{\circ}\), then the kinetic coefficient of friction between the runners of the sled and the snow is:

\(\mu_{k} = \tan 10^{\circ}\)

\(\mu_{k}\approx 0.176\)

The kinetic coefficient of friction between the runners of the sled and the snow is approximately 0.176.

It does not deflect, the light's direction will not change

When a light ray is incident from a medium such as air onto a more dense medium such as glass or water, the refracted ray always lies closer to the perpendicular than does the incident ray.

Refraction occurs when light travels from one medium to another which changes the speed at which the light travels. This causes light to bend upon incidence with the interface of a new material.

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Answer:

Signal Detection Theory, or SDT, is probably the most important and influential theoretical framework for modeling how perceptual decisions are made in forced-choice tasks. Its central concept is that perceptual decisions are based on a stochastic or probabilistic representation of stimuli inside the brain.

Explanation:

From the question, we can see that the momentum is a vector thus the change in the momentum with respect to the ground observer ought to be zero.

The term momentum has to do with the  product of the mass and the velocity of a body. Let us recall that the momentum of a body is a vector quantity thus we have to consider the magnitude as well as the direction of the vector.

With this said, we are going to consider the question more critically. We are told that; a  ball travels along a straight path, perpendicular to a wall. The ball bounces off the wall and returns with the same magnitude of momentum, p, with respect to a ground observer at rest.

Looking at the fact that the momentum of the body is a vector and we have seen told that the ball bounces off the wall and returns with the same magnitude of momentum the  it follows that the change in the momentum is zero.

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Missing parts;

A ball travels along a straight path, perpendicular to a wall. The ball bounces off the wall and returns with the same magnitude of momentum, p, with respect to a ground observer at rest. What expression shows the change in momentum as observed by the ground observer?

a. 0

b 0.5p

c 2p

d 1.5p

Given function isv(t) = t³ +13t²+47t-35and time interval is 1≤t≤7. We have to calculate:

(a) Displacement

(b) Total Distance

(a) Displacement:

Displacement is defined as the shortest distance between initial and final points. We can find the displacement of a particle with the help of following formula:

Displacement = Final Position - Initial PositionHere, the particle moves along a straight line, and we don't know the initial and final position.  Thus, the displacement of the particle is 219 ft.(b) Total Distance:Total distance traveled by the particle is the sum of all the distances covered by it in different intervals.

Thus, we have two real roots of the given equation:t₁

≈ - 6.548t₂

≈ 0.215

Therefore, ∫|v(t)|dt = 309

As we have to find the total distance, we have to add both the cases. Therefore,

Total Distance =∫|v(t)|dt  [from 1 to 7]

=∫|v(t)|dt [from 1 to 7]

=∫|v(t)|dt (from 1 to 1.215) +|v(t)|dt (from 1.215 to 7) = 252 + 309= 561 ft Thus, the total distance traveled by the particle is 561 feet.

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Answer:

Jake’s horse will only need to exert enough force to make the carriage accelerate. Even though the carriage will pull on the horse as well, that force is not enough to make the horse accelerate in the direction of the carriage because it is only strong enough to make the carriage accelerate, not the horse.

Explanation:

Additional info: the horse has more mass than the carriage does so it would require a stronger force to make the horse accelerate.

Answer: Jake’s horse will only need to exert enough force to make the carriage accelerate .Since the horse has a greater mass than the carriage, it requires a stronger force to make the horse accelerate.

Explanation: Sorry it took so long lol