if we quadruple the energy in a vessel of gas, what happens to the velocity of the gas particles?

It takes 13.1 seconds for a swimmer with a power output of 275 watts to accomplish 3600 J of work. If she applied a 650 N force during that time with the same power output, she would have swam up to 5.54 meters.

In physics, power is the amount of energy that is converted or delivered in a given amount of time. The unit of power is the watt, which in the International System of Units is equivalent to one joule per second. In ancient literature, power is occasionally referred to as activity. A scalar quantity is power.

We know that

power = work / time

⇒ time = work / power

= 3600 / 275  = 13.1 seconds

Thus, It takes 13.1 seconds for a swimmer with a power output of 275 watts to accomplish 3600 J of work.

We also know that

power = (force × distance) / time

⇒ distance = (power × time) / force

= (275 watts × 13.1 seconds) / 650 N

= 5.54 meters

Thus, If she applied a 650 N force during that time with the same power output, she would have swam up to 5.54 meters.

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The net force on particle q3 is -3.49 x 10^-3 N.

The net force on particle q3 can be calculated by considering the electric forces between q3 and each of the other particles, and then adding them vectorially. The electric force between two charged particles can be calculated using Coulomb's law:

[tex]F = k * |q1 * q2| / r^2[/tex]

where k is Coulomb's constant (8.9875 x 10^9 N * m^2/C^2), q1 and q2 are the magnitudes of the charges, and r is the separation between the charges.

First, let's calculate the electric force between q3 and q2:

[tex]F12 = k * |-84.2 uC * 90.6 uC| / (0.432 m)^2\\= 8.9875 x 10^9 N * m^2/C^2 * (7583.792 uC^2) / (0.432 m)^2\\= 8.9875 x 10^9 N * m^2/C^2 * (7583.792 x 10^-6 C^2) / (0.432 m)^2\\= 3.05 x 10^-3 N[/tex]

Next, let's calculate the electric force between q3 and q1:

[tex]F13 = k * |-84.2 uC * -75.8 uC| / (0.876 m)^2\\= 8.9875 x 10^9 N * m^2/C^2 * (6399.756 uC^2) / (0.876 m)^2\\= 8.9875 x 10^9 N * m^2/C^2 * (6399.756 x 10^-6 C^2) / (0.876 m)^2\\= -6.54 x 10^-3 N[/tex]

Finally, the net force on particle q3 is given by the vector sum of the individual forces:

Fnet = [tex]F12 + F13 = 3.05 x 10^-3 N - 6.54 x 10^-3 N = -3.49 x 10^-3 N[/tex]

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Answer:electric

Explanation:

The magnitude of electric force on an electron is calculated to be 4.92 × 10⁻¹⁶ N and the direction is due west.

The electric field strength facing straight east is E = 3075 N/C.

The magnitude of the charge on an electron is q = e = 1.6 × 10⁻¹⁹ C

In a uniform electric field with a strength of 3075 N/C and a direction of straight east, we are asked to determine the size and direction of the electric force acting on an electron. Due to the electron's negative polarity charge. The electric force acting on the electron in the electric field will therefore move in the opposite direction of the electric field. So, the direction of the electric force on the electron will be due west.

Calculating the strength of the electric force acting on the electron in the electric field is also required of us. As a result, we can use the following formula to describe the electric force acting on a charged particle in a consistent electric field:

F = q E = 1.6 × 10⁻¹⁹ × 3075 = 4920 × 10⁻¹⁹ N = 4.92 × 10⁻¹⁶ N

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If the charge is doubled and the field tripled, the force has increased by a factor of 6.

The electric force experienced by a charge q in an electric field E is given by Coulomb's law:

f = q X E

where q is the charge and E is the electric field magnitude.

If the charge is doubled to 2q and the electric field magnitude is tripled to 3E, the force experienced by the charge becomes:

f' = 2q X 3E

= 6q X E

So, the new force experienced by the charge is 6 times the original force. This means that the force has increased by a factor of 6.

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that's happening ?????

The force required to accelerate the given block  at 6.0 m/s² is  30 N

According to the Newton's second law of motion

Force(F)= Mass(m) × Acceleration(a)

Here, Initial Force (F) = 15 Newton (N)

Initial acceleration (a) = 3.0 m/s²

Finding the mass (m) of the block from the above equation , F = m×a

Mass of the  block = F/a = 5 g

Now,  the force required to accelerate the given block of  5g  at 6.0 m/s²

                                                 =  5g × 6.0 m/s² = 30 N                                                      

Hence, the force required to accelerate the given block of  5g  at 6.0 m/s² is 30 N

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Charge on each plate of 3.00µF capacitor is 48C when it is connected to a 16.0-V battery.

The capacitors capacity to store this electrical charge ( Q ) between its plates is corresponding to the applied voltage, V for a capacitor of known capacitance in Farads. Note that capacitance C is Dependably sure and never negative.The more prominent the applied voltage the more noteworthy will be the charge put away on the plates of the capacitor.

Moreover, the more modest the applied voltage the more modest the charge. Hence, the genuine charge Q on the plates of the capacitor and can be determined as:Capacitance is the deliberate worth of the capacity of a capacitor to store an electric charge. This capacitance esteem likewise relies upon the dielectric consistent of the dielectric material used to isolate the two equal plates. Capacitance is estimated in units of the Farad (F), so named after Michael Faraday.

So,we know that charge on capacitor is equal to=capacitance×Voltage

=>Q=C×V

We have C=3.00-µF ,V=16V

=>Q=3×16

=>Q=48Columb.

Hence,charge on each plate is 48C.

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The frequency of the wave is 124 Hz, the wavelength is 2.4 m, and the speed is 449 m/s.

The frequency of a wave is given by the reciprocal of the time it takes for one complete cycle to pass a fixed point and is given by the formula: f = 1/T, where T is the period.

The wavelength of a wave is the distance between two consecutive points on the wave that are in phase and is given by the formula: λ = v/f, where v is the speed of the wave. The speed of a wave is the distance traveled by the wave per unit time and is given by the formula: v = λf.

By using these formulas, we can calculate the frequency, wavelength, and speed of the wave in the given equation. These values provide important information about the wave, such as its stability, energy, and behavior.4

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This assertion is illogical. On Earth, everyone can experience weightlessness; all it takes is a sufficiently extended freefall.

Contrary to common opinion, Earth lacks an accepted name on a global scale. Another widespread misunderstanding of a planet's scientific name is "Terra." English speakers keep referring to the planet as Earth, including in analytical study.

Earth does not explicitly share a name in English with a prehistoric Roman deity, unlike other planets within the Solar System. The Anglo-Saxon term erda, which meaning ground or soil and ultimately descended from Proto-Indo European *er, was used to give the planet its name in the eighth century.

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Sally would throw the wrench in the opposite direction from the space shuttle to return to the space shuttle.

How do space shuttles change direction in space?

Spacecraft are usually equipped with a reaction control system (RCS). These are typically located in specific locations around the spacecraft's exterior to allow its orientation to be changed.

What keeps the space shuttle from burning up when returning to Earth?

Thus, the shuttle needs a layer of insulation. The shuttle enters or "attacks" the atmosphere at such an angle that its nose and underside contact and compresses the air and absorb most of the heat generated. On the underside are incredibly heat-resistant, insulating silica tiles.

How does the space shuttle return to Earth?

When the astronauts want to return to Earth they turn on the engines, to push their spacecraft out of orbit. Gravity then pulls the spacecraft back towards the Earth. The spacecraft may be slowed to a safe landing speed by parachutes.

Thus, sally would throw the wrench in the opposite direction from the space shuttle to return to the space shuttle.

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The rotation speed at a given latitude is determined by the radius of the Earth at that latitude and the rotational velocity of the Earth. The spinning velocity of the Earth.

is around 1670 kilometers per hour (466 meters per second) at the equator and zero at the poles. The radius at 30° latitude is about equal to the average radius of the Earth multiplied by the cosine of the latitude. As a result, at 30° latitude,The rotation speed at a given latitude is determined by the radius of the Earth at that latitude and the rotational velocity of the Earth. The spinning velocity of the Earth. the rotation speed may be approximated as follows: v = * r where: = rotating velocity of the Earth (466 m/s) r = radius at 30° latitude (R * cos(30°)). We may calculate the rotation speed for a person at latitude 30° by inserting the numbers.

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3.7 meters is the amplitude is meters. 1.464 Hz is the frequency in hertz. 2.732 meters is the wavelength. Four meters per second (m/s) is the wave speed. Radians equal 0.54 rad as the phase constant.

Despite the fact that technically, velocity involves both speed and direction, wave velocity is most often used to describe speed. Waves have velocities that are independent of their intensity and are equal to the product of their wavelength and frequency in vibrations per second. The usual equation will be:

A. Standard wave equation application

3.7 meters for the wave's amplitude, A.

Section B. 9.2 rad/s for w = axial frequency

When w = 2*pi*f f, frequency equals w/(2*pi) f = 9.2/(2*pi) f = 1.464 Hz.

2.3 is the wave number in Part C.

In addition, wavelength = 2*pi/k

wavelength = 2*pi/(2.3), or 2.732 meters

Part D. wave speed is calculated using the formula: V = w/k.

V = 9.2/2.3 V = 4 m/s is the wave speed.

Part E's phase constant is equal to 0.54 rad.

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In Fahrenheit, 176 degrees are equal to 80 degrees Celsius.

In honour of physicist Daniel Gabriel Fahrenheit, a temperature scale is named Fahrenheit. At standard air pressure, it measures temperature using water at 32°F for the freezing point and 212°F for the boiling point.

The formula is  F = (C * 9/5) + 32, where F is the temperature in Fahrenheit and C is the temperature in Celsius, can be used to convert a temperature from Celsius to Fahrenheit.

It is significant to observe that there is not an equal difference between each temperature increment on the two scales. One degree Celsius is equal to 1.8 degrees Fahrenheit. As a result, a temperature change from 20°C to 21°C is similar to one from 68°F to 69.8°F.

In conclusion, translating 80°C to 176°F allows us to better appreciate its significance on the Fahrenheit scale.

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1176 N is the correct answer .

What is acceleration ?

Acceleration is  a measure of how quickly an object changes its velocity, or the rate at which its velocity changes over time. It is a vector quantity, which means it has both magnitude and direction. In physics, acceleration is usually defined as the change in velocity per unit time, and is expressed in units of meters per second squared (m/s^2). Acceleration can result from a change in speed, direction, or both. Objects that are accelerating  are said to be undergoing a net force, and their acceleration is proportional to the magnitude of the force and inversely proportional to their mass.

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The use of index fossils is applicable to bio stratigraphic dating.

In geology, index fossils are dead remains of animals and plants which have lived for a limited period of time and are deeply buried under the surface of the earth over time.

These type of fossils are used to identify and define geological time periods.

More specifically, these fossils represent rapid trends of evolution, wide range of geographic distribution and vertical range of plant or animal trapped inside the rocks.

Simply put, index fossils contain animals or plants records in the rocks and are helpful in the identification of the span of specific geologic time as well as environment.

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Lifting the heavy box from the ground to the shelf requires the greatest power output from the fork lift truck.

The power output required to lift a heavy box with a fork lift truck is directly proportional to the weight of the box and the height it needs to be lifted. When lifting the box from the ground to the shelf, the full weight of the box must be lifted to the desired height, which requires the greatest power output.

The power output of the fork lift truck includes the energy used to overcome the force of gravity and the resistance of the air, as well as the energy used to overcome friction and other mechanical losses. The greater the weight of the box and the height it needs to be lifted, the greater the power output required from the fork lift truck.

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Option C. 72 μm is coorrect. The actual size of the microorganism can be calculated by multiplying the size observed under the microscope with the magnification factor.

The calculation of actual size of a microorganism observed under a microscope is a crucial step in microbiology. This is because the actual size of a microorganism is necessary to determine its classification, morphology and other characteristics.

When using a light microscope, the size of an object is determined by using the ocular micrometer, which is a scale etched onto the lens of the eyepiece. The ocular micrometer allows you to accurately measure the size of an object by comparing its size to the scale etched onto the eyepiece. The ocular micrometer is calibrated to represent a specific magnification, and the actual size of an object can be calculated by multiplying the size observed under the microscope with the magnification factor.

In this case, the microorganism was observed under 4x magnification, and the widest part of the microorganism spanned to the 18th division on the ocular microscope. Therefore, the actual size of the microorganism would be 18 * 4 = 72 μm.

It's important to note that the actual size of a microorganism may change based on the type of microscope used, the sample preparation method, and other factors. Therefore, it's essential to accurately determine the actual size of a microorganism for accurate analysis and interpretation of results.

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Answer:

I don't knowxudnwmKzomw

Explanation:

hairyehducbaoenxinw

b) momentum of cannon ball and the cannon is conserved.

According to the law of conservation of momentum, when an object, such as a cannon ball, is fired from a cannon, the momentum of the system (cannon ball and cannon) remains constant before and after the firing.

This means that the total momentum of the system before firing is equal to the total momentum of the system after firing. To conserve the momentum of the system, the cannon ball moves in one direction with a certain momentum while the cannon moves in the opposite direction with an equal amount of momentum, resulting in a recoil of the cannon.

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The most precise pipettor cannot be determined solely based on tables, as precision is determined by multiple parameters and depends on the specific experiment being performed.

To determine the most precise pipettor, one would need to look at the average, standard deviation, and coefficient of variation of the results obtained with each pipettor, as well as any systematic biases that might have affected the results.

Precision is a measure of the reproducibility or repeatability of a measurement, and is an important characteristic of laboratory equipment such as pipettors.

To determine the most precise pipettor, multiple parameters need to be considered, including the average, standard deviation, and coefficient of variation of the results obtained with each pipettor, as well as any systematic biases that might have affected the results.

The average is the mean or average value of the results obtained with each pipettor. The standard deviation is a measure of the variability or spread of the results, and is calculated as the square root of the variance. The coefficient of variation is a measure of the relative variability of the results and is calculated as the standard deviation divided by the mean.

The pipettor with the smallest standard deviation or coefficient of variation would be considered the most precise, as this would indicate that the results obtained with that pipettor are the most consistent and reproducible.

However, it is also important to consider any systematic biases that might have affected the results. For example, if one pipettor consistently gives results that are lower than expected, it may be considered less precise even if its standard deviation is smaller.

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b) The test particle is in stable equilibrium if the moving particles can only travel in one dimension, and in unstable equilibrium if they can move in at least two dimensions.

In this case, the dimensionality of the system affects the test particle's stability. The test particle will be in a stable equilibrium if the system is limited to one dimension. The test particle is in this case equally far from the two source particles, and as a result, each of them exerts electrostatic forces on it that are equal and opposing and cancel one another out. As a result, the test particle doesn't move from its place.

The test particle, on the other hand, is in an unstable equilibrium if the system exists in two or more dimensions.

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The line charge density on a wire is the amount of electric charge per unit length on a wire. It is a measure of the distribution of electric charge along the length of a wire. The line charge density is calculated by dividing the total charge on the wire by the length of the wire.

In a conductor, electrons are free to move along the length of the wire, and the line charge density on the wire depends on the number of electrons and their distribution along the length of the wire. In an insulated wire, the line charge density is constant and uniform, while in a charged wire, the line charge density may vary along the length of the wire due to differences in the distribution of electrons.

The line charge density is an important concept in electromagnetism and electrical engineering. It is used to calculate the electric field and potential along a wire, as well as to determine the force between two charged conductors. Understanding the line charge density is important for the design and analysis of electrical circuits and systems, as well as for the study of fundamental electromagnetism phenomena.

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The quantity of electric charge present on a wire per unit length is known as line charge density. It is a measurement of the way electric charge is distributed along a wire's length.

With the aid of Wire, your team is able to interact and exchange information quickly, securely, and always in context. Your team can collaborate whether at the office or on the go thanks to Wire's availability on any platform and operating system.

Neither has a serious security weakness, but both contain some flaws. As a person, it's likely impossible to find a safer app than Signal, which is fantastic for daily use. Businesses should seriously consider Wire, on the other hand.

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The equation for the terminal velocity is Vt = √ [ ( 2mg ) / ( ρACd ) ].

Terminal velocity, steady speed achieved by an object freely falling through a gas or liquid.

Mathematically, the formula for terminal velocity if given as;

Vt = √ [ ( 2mg ) / ( ρACd ) ]

where;

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The speed of the runner at the end of the race will depend on the distance of the race, the time it took the runner to complete the race, and the runner's level of fitness.

The speed of the runner at the end of the race will depend on how fast they ran during the race. If the runner was running at a constant speed, then their speed at the end of the race will be the same as their speed at the beginning.The first three seconds of a race see a runner's pace gradually increase.As was previously said, an individual's talent level and the quantity of training they have received throughout time will have a significant impact on their average running pace. The average running speed of a person who is in pretty good form, however, often varies from 10 to 15 miles per hour, or around 16 to 24 kilometres per hour.

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Complete question:What is the speed of the runner at the end of the race?

Lineups, photo arrays, and other identification procedures are some examples of system variables(forensics).

The criminal justice system should and can control system factors. They comprise any technique used by law enforcement to access and document witness recollection, including lineups, photo arrays, and other identification processes.

The type of lineup used, the choice of "fillers," blind administration, instructions to witnesses prior to identification procedures, administration of lineups or photo arrays, and communication with witnesses after they make an identification are system variables that significantly affect the accuracy of identifications.

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(a) The center mass when the connecting rod is massless is 0.5 m.

(b) The center mass when the connecting rod has a mass of 15 kg is 0.47 m.

The center mass of m1 is calculated by applying the following formula for center of gravity.

Cm = ( m1x₀  + m2x₁ ) / ( m1 + m2 )

since we are looking for the center mass of m1, we use it as the reference point.

when the connecting rod is massless,

Cm = ( 15kg x 0   +  25kg x 0.8 m ) / ( 15 kg + 25 kg )

Cm = 0.5 m

when the connect rod has a mass of 15 kg;

Cm = ( 15 kg x 0  +  15 kg x 0.4 m  +  25 x 0.8 m ) / ( 15 kg + 15kg + 25 kg )

Cm = 0.47 m

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The pressure that naphthalene vapor exerts at 20 °C is known as the vapor pressure of a naphthalene solution.

The vapor pressure of a solution of naphthalene at 20°C is the pressure that the vapor of naphthalene exerts at that temperature. It is affected by the concentration of the solution, as well as the temperature. The vapor pressure of a solution of naphthalene at 20°C is typically between 0.0013 and 0.0015 atmospheres. This means that the vapor of naphthalene is very low at this temperature, and so it is unlikely to be present in the air in significant concentrations.

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The average power output by the athlete during the climb is equal to 321 joules per second or 321 watts.

In physics, power is defined to be work W over elapsed time t (P = W/t). Work is defined to be force F times displacement x (W = F · x). Weight is the force of gravity (Fg) and is equal to mass m times acceleration due to gravity g (Fg = m · g).

We are given that the athlete's mass is 82 kg and the acceleration due to Earth's gravity is 9.8 m/s², hence the athlete's weight is equal to 803.6 newtons. Also, the height of each of the 60 steps is 0.32 meters. The work done by the athlete then is Fg · x = 803.6 · (60 · 0.32) = 15,492.12 joules. Therefore, in 48 seconds the work done by the athlete is equal to 15,492.12 joules.

However, we haven't divide the work done by the elapsed time. The standard unit of power is watt (W — not to be confused with work W), and 1 watt is equal to 1 joule per 1 second (1 W = 1 J/s). We only need to divide the work done by 48 to get the average power output as follows:

15,492.12/48 = 321 J/s = 321 W.

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a. If you are using a proportion as your statistic, you expect your null distribution to be centered at 0.25.

b. If you are using a count as your statistic, you expect your null distribution to be centered at n * π = 25, where n is the sample size.

The null hypothesis H0: π = 0.25 states that the population proportion (π) of a binary outcome is equal to 0.25. The observed statistic, pˆ, is the sample proportion, which is calculated from the sample data.

When testing the hypothesis, you would compare the observed statistic, pˆ, to the expected value under the null hypothesis, which is π = 0.25. If pˆ is significantly different from 0.25, you would reject the null hypothesis and conclude that the population proportion is not equal to 0.25.

In this case, you are counting the number of successes (e.g., the number of individuals with a certain trait) out of the sample size (n = 100) and using this count as the statistic. The expected value under the null hypothesis is n * π = 100 * 0.25 = 25.

Like in the case of using a proportion as the statistic, if the observed count is significantly different from the expected value under the null hypothesis, you would reject the null hypothesis and conclude that the population proportion is not equal to 0.25.

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