If two gases have the same volume and there
are two moles of each gas, gas A is at 1600 K,
gas B is at 800 K and gas A has the pressure
of 6 atm, find the pressure of gas B.

Answer:

Its true i think

Explanation:

Answer:

Harmful bacteria are called pathogenic

Explanation:

Harmful bacteria are called pathogenic bacteria because they cause disease and illnesses like strep throat, staph infections, cholera, tuberculosis, and food poisoning.

Light bends when it travels from a certain density of matter into a different density of matter. The density of the stuff affects how much it bends. Light bends when it transitions from air to water or from water to air. Light bends when it travels from water to glass or from glass to air. How much light is bent by a particular substance may be determined by its index of refraction. However, Snell's Law and the angle of incidence must be coupled. The angle of refraction increases with increasing angle of incidence. As a result, the water's unique index of refraction bends light entering the medium at an angle of 30°. and that is 1.33.  This means that light in a vacuum travels at 1.33 times faster than light in water. We wouldn't have lenses in the way we do now without refractive index. We would need eyes with pinhole-sized openings in order to see, which would prevent us from seeing clearly or at least in great detail. We wouldn't have had microscopes to view anything in great detail, telescopes to view the moon, planets, or distant things. I could go on, but I think you get the idea: if we didn't have the material characteristic known as refraction, things would be quite different. Well, I guess it's possible that human eyes have evolved to have diffractive lenses, but that's another theory.

________________________

The ability of a substance, whether it is solid, liquid, or gas, to reflect light causes it to move more slowly than it would in a vacuum.

Any substance's refractive index (n) is found by dividing the speed of light in that substance by the speed of light in a vacuum (c) (v).

So

n = c/v

Since a material's refractive index varies depending on the wavelength of light, n = f(wavelength) (n is a function of wavelength). In comparison to longer wavelengths, the index is larger for shorter wavelengths. It's known as dispersion.

When creating lenses or other refractive optical systems, the refractive index and dispersion are both crucial factors. The diverse wavelengths don't come to a common focus, which has a disastrous effect on image quality because index is directly related to how light bends while passing through a lens. We refer to this as chromatic aberration. It's difficult to regulate, but you can achieve it by carefully selecting various glass chemistries and massaging them into position. The glass map showing index as a function of inverse dispersion is seen in the image below. About 20 to 100 is the range of the Abby number, a measure of dispersion; lower numbers indicate more dispersion (larger index difference between red and blue light). Every dot stands for a distinct glass.

Refractive indices range from 1.0003 for air, to over 4.5 for Geranium.

Answer:

The final velocity of the canoe is -14.1 m/s or 14.1 m/s to the right.

Hope you could get an idea from here.

Doubt clarification - use comment section.

The correct choice is "when the displacement is a zero". In simple harmonic motion, the speed is greatest when the displacement is zero, i.e., at the equilibrium position.

In simple harmonic motion, the speed of an oscillating object is the greatest when the displacement is zero, and the magnitude of the acceleration is zero. This occurs when the object passes through its equilibrium position.

At this point, the potential energy is at its minimum and the kinetic energy is at its maximum. As the object moves away from the equilibrium position, the potential energy increases while the kinetic energy decreases, resulting in a decrease in speed.

As the object approaches the maximum displacement, the potential energy is at its maximum while the kinetic energy is at its minimum, resulting in a decrease in speed. Therefore, the speed is greatest when the object passes through its equilibrium position.

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Answer:

In addition to depleting resources for forest-dependent communities, deforestation is contributing to an increase in small-scale natural disasters.“That means when there's heavy rainfall, forest soil can absorb water underground and disburse it to streams.

Answer:   Deforestation invites natural disasters by the following reasons:-

i) Soil erosion

ii)Landslides due to soil erosion

iii) Forest fire

iv) Flooding due to soil erosion

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The nucleus is made up of neutrons, that have no charge, and protons, that carry a positive electrical charge.

The electron, hydrogen, and neutron are the subatomic particles that make up an atom.  The core nucleus of the atom, which contains neutrons and protons, is what makes up an atom. The nucleus is surrounded by electrons.Protons have a positive charge, electrons have a negative charge, and neutrons are neutral.

Small subatomic particles known as neutrons combine with protons to create the atom's nucleus. The number of neutrons can vary, leading to distinct isotopes of an element, whereas the amount of protons determines what aspect an atom is.

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Work by gravity plus work by water equals 0 or 2692 = F *1.10 or F = 2447 Newtons

As work-energy, you could:

Since she began and concluded at rest, her initial and final K are both zero. Total work = ΔK.

Gravity: force * distance

mgΔh = 67 * 9.8 * 4.10 = 2692 Joules.

Force * Dist =- F *1.10

Work by gravity + work by water  =  0

2692 - F *1.10   = 0  

2692  =  F *1.10    

F = 2447 Newtons!

Because gravity continues to affect her even when she is submerged, take note of the total distance she travels: 3.00 + 1.10!

Work now being done by the water: Because of the force pushing up on her as she descends, the equation  is negative. Work is negative when the directions of force and distance are in opposition.

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Answer:

Characterization is the process by which the writer reveals the personality of a character. Characterization is revealed through direct characterization and indirect characterization. Direct Characterization tells the audience what the personality of the character is.

The magnitude of the force that the garbage exert on the floor of the service elevator is equal to 238.05 Newtons.

The mass of the garbage in the elevator is 20.7 kg. The elevator is accelerated downward at a rate of 1.7 m/s².

The acceleration due to gravity is g.

As the elevator accelerator downward then the total net acceleration of the elevator in the download direction is

A =  (1.7 + 9.8) m/s².

A = 11.5 m/s².

The force that the garbage exert on the floor of the service elevator will be equal to the product of the mass of the garbage and the net acceleration with which the elevator is going downward,

F = 20.7 × 11.5

F = 238.05 N.

So, the force exerted by the garbage on the floor is 238.09 Newton.

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The x -component of this vector is 0, because it's in the direction of travel.

The x -component of the tangential acceleration is the acceleration parallel to the road. This can be found by defining a vector from the point of interest to the origin, and then finding its magnitude.

When you're driving a car, your acceleration is always changing as you move around curves in the road. The x-component of this acceleration can't change because it depends on your speed. If you're going faster, then your x-component goes up; if you're going slower, it goes down.

The x-component of your acceleration is always constant: no matter how fast or slow you go around a curve, your acceleration will always be parallel to the road—and therefore, also constant at any point along a curve.

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Answer:

Answer:

55

Explanation:95-40=55

i hope i did the math right if i didnt please tell me

Frequency is defined as the number of repetitions of waves occurring in 1 second. The frequency heard by the man as the ambulance move toward him will be greater than 450 Hz.

Frequency is defined as the number of cycles completed in 1 second. Frequency is given by the formula as,

\(\rm{Frequency =\frac{1}{time } }\)

As the formula shows frequency is inversely proportional to the time that shows if the time is decreasing frequency will increase and vice versa.

In the above case, the ambulance is moving toward the men. So that the time to meet up is decreased that's why the frequency will be greater than the initial frequency from the siren.

Hence the frequency heard by the man as the ambulance move toward him will be greater than 450 Hz.

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Answer: the answer is b more than 450 hz

Explanation: i took the test

Answer:

chemical I think

Explanation:

hope this helps

Answer:

its actually mechanical energy

Explanation:

i took my quiz

Answer:

7m/s^2

Explanation:

using v=u+at

since the car started from rest, u=0 , v=14m/s t=2s

a =acceleration.

14=0+a×2

14=0+2a

14=2a

a= 14/2 =7

a=7m/s^2

Answer:

In February 1784, just after the close of the Revolutionary War, the General Assembly of Georgia earmarked 40,000 acres of land to endow "a college or seminary of learning." The following year, Abraham Baldwin, a lawyer and minister educated at Yale University in New Haven, Connecticut, who had settled in Georgia

Explanation:

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The temperature of the water after 30g of steam has condensed will be approximately 52.14°C.

To solve this problem, we need to consider the energy transfer that occurs when steam condenses into water. The energy released by the condensing steam will be absorbed by the water, resulting in a temperature change.First, let's calculate the energy released when 30g of steam condenses. The specific latent heat of steam is given as 2.26 × 10^6 J/kg, so the energy released by 30g of steam can be calculated as:

Energy released = (30g) × (2.26 × 10^6 J/kg) = 6.78 × 10^7 J

Next, we need to calculate the energy required to raise the temperature of the water from 20°C to the final temperature. The specific heat capacity of water is given as 4200 J/kgK, and the mass of the water is 500g. Therefore, the energy required can be calculated as:

Energy required = (500g) × (4200 J/kgK) × (final temperature - 20°C)

Since the energy released by the steam is equal to the energy required by the water, we can set up the equation:

6.78 × 10^7 J = (500g) × (4200 J/kgK) × (final temperature - 20°C)

Now, we can solve for the final temperature:

(final temperature - 20°C) = (6.78 × 10^7 J) / ((500g) × (4200 J/kgK))

(final temperature - 20°C) = 32.14°C

final temperature = 32.14°C + 20°C

final temperature ≈ 52.14°C

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Answer:

Explanation:

There is no pressure of your feet on the scales, and no pressure of the floor on the scales, so the scales will read zero*. Hence, your weight, in a freely falling lift is zero

Answer:

1 : 2 (30 : 60)

Explanation:

The rate of increase of the Earth's gravity field at latitudes 30° and 60° are in the ratio 1 : 2 because 30 : 60 simplified is 1 : 2.

If the answer does not ask for the ratio to be simplified leave its as 30 : 60.

The ball's impact speed on the ground is about 70.8 m/s. This is calculated using projectile motion equations.

To tackle this issue, we really want to utilize shot movement conditions. To start with, we want to make the opportunity it takes for the gun ball to stir things up around town.

Utilizing the condition h = \(vit + 0.5g*t^2\), where h is the underlying level (25m), vi is the underlying speed (83 m/s), g is speed increase because of gravity (- 9.8 \(m/s^2\)), and t is the time it takes for the ball to raise a ruckus around town, we can settle for t.

The outcome is t ≈ 7.67 s. Then, we can utilize the condition v = vi + gt to track down the effect speed. Since the ball was terminated at a point, we really want to track down the even and vertical parts of its speed.

The even part is vicos(30) and the upward part is \(vi*sin(30)\). We can then utilize the upward part and the time we saw as before to work out the effect speed on the ground. The last response is around 70.8 m/s.

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The complete question is:

A cannon tilted up at a 30 degree angle fires a cannon ball at83 m/s from atop a 25-m-high fortress wall. What is the ball'simpact speed on the ground below? Express your answer with the appropriate units.

When Juan makes an adjustment to an electromagnet, it causes a change in the magnetic field strength or polarity or both.

An electromagnet is a temporary magnet that operates on an electric current. It comprises a wire wound into a coil surrounding a magnetic core, such as an iron nail, which intensifies the magnetic field produced. The strength of the electromagnet's magnetic field depends on the quantity of current running through the coil and the number of loops in the wire.

An electromagnet is used in many applications, including motors, relays, and speakers. An adjustment is an alteration or change made to something to improve or fix it. The adjustment to an electromagnet changes the strength of the magnetic field it produces. The magnet's magnetic field strength may be raised or lowered by increasing or decreasing the electric current running through the coil.

The direction of the magnetic field may also be changed by changing the direction of the current passing through the coil.Therefore, when Juan makes an adjustment to an electromagnet, it causes a change in the magnetic field strength or polarity or both.

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The length of the telescope focused to infinity with lenses of 1.2 and 15 diopters is approximately 17.8003 meters.

To calculate the length of the telescope, we can use the lens formula:

1/f = 1/v - 1/u,

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

Let's assume the 1.2 diopter lens has a focal length of f₁ and the 15 diopter lens has a focal length of f₂.

For the 1.2 diopter lens, we know that f₁ = 1/d₁, where d₁ is the lens power in meters. Therefore, f₁ = 1/1.2 = 0.8333 m⁻¹.

For the 15 diopter lens, we know that f₂ = 1/d₂, where d₂ is the lens power in meters. Therefore, f₂ = 1/15 = 0.0667 m⁻¹.

Since the telescope is focused to infinity, the image distance v₁ of the first lens is at infinity. Hence, we can write 1/v₁ ≈ 0.

Using the lens formula for the first lens, we have:

1/f₁ = 1/v₁ - 1/u₁.

Substituting the values, we get:

0.8333 = 0 - 1/u₁.

Simplifying the equation, we find that u₁ ≈ -1.2 m.

Now, let's consider the second lens. The image distance v₂ of the second lens is the object distance for the third lens, which is also the final image distance v.

Using the lens formula for the second lens, we have:

1/f₂ = 1/v - 1/u₂,

where u₂ = u₁ - d₁ = -1.2 - 0.0667 = -1.2667 m.

Substituting the values, we get:

0.0667 = 1/v - 1/-1.2667.

Simplifying the equation, we find that v ≈ -19.067 m.

Since the length of the telescope is the difference between the object distance and the image distance of the last lens, we can calculate it as follows:

Length = u₂ - v ≈ -1.2667 - (-19.067) = 17.8003 m.

Therefore, the length of the telescope focused to infinity with lenses of 1.2 and 15 diopters is approximately 17.8003 meters.

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The length of a telescope when focused at infinity is determined by the sum of the focal lengths of its objective and eyepiece lenses. In this telescope, with lenses of 1.2 and 15 diopters, the length is roughly 90 centimeters.

The length of a telescope is determined by the focal lengths of its objective and eyepiece lenses. The power of a lens in diopters is the inverse of its focal length measured in meters. Therefore, the focal lengths of the lenses in this telescope are 1/1.2 meters and 1/15 meters respectively.

To determine the length of the telescope when it's focused at infinity, we consider that the image created by the objective lens should be located at the focal point of the eyepiece lens. Hence, the length of the telescope is approximately equal to the sum of the focal lengths of the objective and eyepiece lenses.

Adding those up gives 1/1.2 meters + 1/15 meters = 0.833... meters + 0.067... meters = approximately 0.9 meters or 90 centimeters. Therefore, the length of this telescope when focused to infinity should roughly be 90 cm.

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Explanation:

(taking g = 10 m/s^2)

F - W = m * a

500 - 310 = 31 * a

190 = 31 * a

a (Acceleration of rock ) = 6.12 m/s^2

The strength of the electric field will be 2.7 x 108 N/C.

The strength of the electric field is the ratio of electric force per unit charge. Its unit is NC⁻¹.

The given data in the problem is;

E is the strength of the electric field =?

d is the distance = 0.020 m

q is the charge= 12 µc =12 ×10⁻⁶C

The electric field strength is given by;

\(E = \frac{Kq}{d^2} \\\\E = \frac{9 \times 10^9\times 12 \times 10^{-6}}{(0.020)^2} \\\\E = 2.7 \times 10^8 N/C\)

Hence the strength of the electric field will be 2.7 x 108 N/C.

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Answer B is right or 2.7 × 108 N/C

Explanation:

Answer:

XZXDHF

Explanation:ZDHF

Answer:(of a reaction or process) accompanied by the release of heat.

Explanation: trust moi

The total mass of the system after combustion is therefore 1Kg (ashes) + 9Kg (gases and water vapor) = 10Kg, which is the same as the total mass before combustion.

Therefore, if the mass of the logs before burning was 10Kg, the total mass of the system before combustion was 10Kg (logs) + 0Kg (oxygen) = 10Kg. After combustion, the mass of the ashes was 1Kg, so the mass of the remaining gases and water vapor released into the atmosphere was 10Kg - 1Kg = 9Kg.

There are three fundamental quantities in mechanics that are conserved. These are power, forward motion, and angular momentum.

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