The volume of a gas at 6.0 atm is 2.5 l. what is the volume of the gas at 7.5 atm at the same temperature?

The difference between insects and arachnids is arachnids lack antennae. Hence, option C is correct.

Spiders, scorpions, ticks, mites, harvest men, and their relatives are only a few of the various arthropods of the class Arachnids. Arachnid species number over 100,000, according to scientists. There are around 8,000 species of arachnids in North America alone.

Insects and arachnids differ primarily in their body composition and limb structure. Arachnids only have two body segments, a cephalothorax and an abdomen, whereas insects have a head, a thorax, and an abdomen.

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Answer:

No

Explanation:

Because it is mass ÷ volume and its not an actual model

Answer:

52433.1

Explanation: you just multiply the numbers

Taking into account the Newton's second law, a force of 52,433.1 N is required.

Newton's second law, called the fundamental law or fundamental principle of dynamics, states that a body accelerates if a force is applied to it.

So, Newton's second law defines the relationship between force and acceleration mathematically. The acceleration of a body is proportional to the net force applied to it and inversely proportional to its mass. That is, if you apply a greater force, the body increases its acceleration.

Mathematically, Newton's second law is expressed as:

F= m×a  

where:

In this case, you know:

Replacing:

F= 1955 kg × 26.82 m/s²

Solving:

F= 52433.1 N

Finally, a force of 52,433.1 N is required.

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A phase difference of π radians (or 180 degrees) corresponds to complete out-of-phase alignment of the waves, resulting in destructive interference.

The phase difference between the waves can be calculated using the formula:

phase difference = (path difference / wavelength) x 2π

The path difference is the distance traveled by the two waves, and wavelength is the common wavelength of the waves.

In this case, the path difference is:

path difference = 0.60 m - 0.45 m = 0.15 m

The phase difference is therefore:

phase difference = (0.15 m / 0.30 m) x 2π = π

Phase difference refers to the difference in the phase angle between two waves. A phase angle represents the position of a wave in its cycle at a particular point in time. When two waves are in phase, their phase angles are the same and their crests and troughs coincide at the same points in space. When two waves are out of phase, their phase angles differ and their crests and troughs do not coincide.

The phase difference is an important concept in fields such as physics, engineering, and telecommunications. In physics, it is used to describe the interference patterns that result when two waves meet. In engineering, it is used to design and analyze circuits, especially in electronics and power systems. In telecommunications, it is used to optimize the transmission and reception of signals.

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Answer: Scientific Hypothesis

Explanation: A scientific hypothesis is something supported or approved by a line of scientists through experiments and close observations.

To determine the distance to a very distant elliptical galaxy, a suitable method would be to use the Tully-Fisher relation. The Tully-Fisher relation is an empirical relationship between the intrinsic luminosity (brightness) of a spiral galaxy and its rotation velocity.

It allows astronomers to estimate the distance to a galaxy by measuring its rotation speed. In the case of an elliptical galaxy, which lacks a clear rotational component, the Tully-Fisher relation may not be applicable. The Tully-Fisher relation is primarily used for spiral galaxies. Instead, other distance indicators such as Type Ia supernovae, the Hubble constant, or Cepheid variables would be more appropriate. Type Ia supernovae are widely used as "standard candles" in cosmology. These supernovae occur when a white dwarf star in a binary system accretes mass from a companion star, leading to a thermonuclear explosion. The peak brightness of Type Ia supernovae is consistent, allowing astronomers to determine their intrinsic luminosity and estimate their distance. The Hubble constant, which represents the rate of expansion of the universe, can be used in combination with the redshift of galaxies to estimate their distances. The Hubble constant relates the recessional velocity of a galaxy to its distance. Cepheid variables are pulsating stars that exhibit a correlation between their period of pulsation and their intrinsic luminosity. By measuring the period of pulsation of a Cepheid variable, astronomers can determine its intrinsic brightness and use it as a distance indicator. In summary, for a very distant elliptical galaxy, the Tully-Fisher relation may not be applicable. Instead, one should consider using methods such as Type Ia supernovae, the Hubble constant, or Cepheid variables to determine its distance.

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The current that would pass through the 30 ohms resistor is 2 A.

Electric current is the rate of flow of electric charge round a conductor.

To calculate the electric current that would pass through the 30 ohms resistor, we use the formula below

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, The current that would pass through the 30 ohms resistor is 2 A.

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ANSWER

Q = 5303.95 kJ

EXPLANATION

We are looking for the energy needed to evaporate 2.35kg of water. Since the water is already at evaporation temperature, which is 100°C, we just have to use latent heat. Also, we just want the steam to be at 100°C, so we don't need to find the energy to change its temperature.

The energy needed to evaporate water of mass m is:

L is the latent heat of the material, in this case water. There are two latent heats, one of fusion and one of vaporization. We have to use the second one, which for water is approximately 2257 kJ/kg

Therefore, to boil 2.35 kg of water at 100°C to steam at 100°C we need:

The distance of ball from the launch point is

0.92 m

Given:

U = 4.5 m/s = initial speed

V = 0.7 m/s = final speed

g = 10 m/s^2 = acceleration due to gravity

To Find:

distance of ball from the launch point

Solution: The law of motion equation

V^2 - U^2 = 2aS

(0.7)^2 - (4.5)^2 = 2*10*S

0.49 - 18.9 = 20S

- 18.41 / 20 = S

S = - 0.92 m

The distance of ball from the launch point is 0.92 m

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A sequence diagram is a type of UML (Unified Modeling Language) diagram that shows the interactions between objects or components of a system as they occur in a chronological sequence.

It is a graphical representation of the interactions that take place between objects or components of a system, depicting the order of messages that are exchanged between them.

Sequence diagrams are used to visualize the flow of a system's functionality, as well as the communication and collaboration between the various components of the system. They are especially useful in understanding complex systems and identifying areas that may require improvement or optimization. Sequence diagrams are also often used to document and communicate the design of a system to stakeholders or development teams.

In summary, a sequence diagram shows the timing of interactions between objects or components of a system as they occur. It is a valuable tool in understanding and communicating the behavior and functionality of complex systems.

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The kinetic energy of the bullet is 2K, twice the kinetic energy of bullet 1.

The kinetic energy of an object is the energy possessed due to its motion. The kinetic energy of an object of mass m moving with a velocity v is given by K = mv²/2 ( in joules)

Given: kinetic energy of bullet 1 = K =m₁×v²/2  

mass of bullet 2, m₂ = twice of mass of bullet 1, m₁

m₂ = 2 × m₁

the kinetic energy of bullet 2 is = m₂ × v²/2 , since speed are same.

in terms of m1,

kinetic energy of bullet 2 = 2m₁ × v²/2 = 2K

Therefore, the kinetic energy of the bullet is 2K, twice the kinetic energy of bullet 1.

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Answer:

Explanation:

3.011 x 10^24 atoms

Answer:

jskskskssksksksskssksksksksks

The volume of the cylinder is 1.57 x 10⁻³ m³.

V = πr²h

V = π(5cm)²(20cm)(1m/100cm)³

V = 1.57 x 10⁻³ m³

The mass of the cylinder is 12.25 kg.

ρ =  m/v

m = ρv

m = (7800 kg/m³)(1.57 x 10⁻³ m³)

m = 12.25 kg

Answer:

Dry lubricants or solid lubricants are materials that, despite being in the solid phase, are able to reduce friction between two surfaces sliding against each other without the need for a liquid oil medium.

Explanation:

Answer:

Your answer is graphite :) Have a nice day

Explanation:

Asahi's sink is shaped like a half-sphere and has a  b of V. When the sink is clogged and completely full, Asahi needs to choose between two conical cups to scoop the water out. Let's calculate the volumes of the conical cups to determine which one is more suitable.

To find the volume of a cone, we use the formula V = (1/3)πr^2h, where V represents the volume, π is a mathematical constant approximately equal to 3.14159, r is the radius of the base of the cone, and h is the height of the cone.

For the first conical cup, let's assume it has a radius of r1 and a height of h1. Its volume would be V1 = (1/3)πr1^2h1.

For the second conical cup, let's assume it has a radius of r2 and a height of h2. Its volume would be V2 = (1/3)πr2^2h2.

Since Asahi's sink is completely full, the total volume of water in the sink should be equal to the volume of the conical cup he chooses. Therefore, we can set up the equation V = V1 or V = V2, depending on which conical cup he selects.

By comparing the volumes of the two conical cups, Asahi can determine which one he should use to effectively scoop the water out of the sink.

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If bulb B  is replaced with a short circuit, it will effectively bypass the circuit that includes bulb A. As a result, the current in the circuit will increase, which may cause the bulb A to become brighter.

A circuit is a closed path or loop through which electrical current can flow. It is made up of various components that work together to allow the flow of electricity. The basic components of a circuit include a power source, such as a battery or generator, wires or conductors that carry the current, and various other components such as switches, resistors, capacitors, and diodes, which help to control and modify the flow of electricity.

When a circuit is closed, the electrical current flows from the power source through the components and back to the power source. This flow of electricity is usually measured in amperes (amps) and is controlled by the voltage of the power source and the resistance of the components in the circuit.

Circuits can be either series circuits, where the components are arranged one after the other in a single loop, or parallel circuits, where the components are arranged in multiple branches, allowing the current to flow through each component independently. Circuits are used in a wide range of electrical and electronic devices, from simple household appliances to complex computer systems and telecommunications networks.

If bulb B is replaced with a short circuit, it will effectively bypass the circuit that includes bulb A. As a result, the current in the circuit will increase, which may cause the bulb A to become brighter. However, it's also possible that the increased current could cause bulb A to burn out or even damage the circuit itself. In general, it's not recommended to create a short circuit intentionally as it can be dangerous and potentially cause damage to the electrical system.

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Consider the Gaussian surface in the form of sphere, the electric field between the spheres is radially outwards.

For a positive charge, the electric field lines are projecting outwards of positive charge.

For a negative charge, the electric field lines are projecting inwards of positive charge.

Hence, the electric field points radially outwards.

The physical field that surrounds electrically charged particles, known as an electric field (or E-field), exerts force on all other charged particles in the field, either attracting or repelling them.  Additionally, it describes the physical environment of a system of charged particles. Time-varying electric currents and electric charges are the building blocks of electric fields. One of the four basic interactions (also known as forces) of nature, the electromagnetic field, manifests itself in both electric and magnetic fields.

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Answer:

Distance, Mass

A well designed experimen tests multiple variables at once supports your hypothesis does not need multiple trials is controlled to only test one variable​ Given that a college language class was chosen for a learning experiment. Using a list of 50 words,

the experiment measured the rate of vocabulary memorization at different times during a continuous 6-hour study session. The average rate of learning for the entire class was inversely proportional to the time spent studying, and was given approximately by V(t) = t^(−13) for 1 ≤ t ≤ 6.

We need to find the area between the graph of V(t) and the f-axis over the interval [3, 5], and interpret the results. The area between the graph of V(t) and the f-axis over the interval [3, 5] can be found as follows:∫[3,5]V(t)dt = ∫[3,5]t^(−13)dt = [−12t^(−12)]3 5= −12(5^(−12)−3^(−12))≈ 0.54The area between the graph of V′(t) and the f-axis over the interval (3, 5) can be found as follows: V′(t) = −t^(−14) ∴ ∫(3,5)V′(t)dt = −(5^(−14)−3^(−14))≈ 0.104Thus

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Answer:

The data that we have is:

Initial height = 2m

Initial vertical speed: As the sister is only pushed, we can assume that we do not have initial speed in the vertical axis.

Then at the beginning, we only have potential energy, that (using the water as the zero in our axis) can be written as:

U = m*g*h

where m is the mass of your sister, g is the gravitational acceleration, and h is the initial height:

h = 2m

g = 9.8m/s^2

Now, when your sister is about to touch the water, all the potential energy has be transformed into kinetic energy:

K = (m/2)*v^2

Then we have, at that moment:

K = U

(m/2)*v^2 = m*g*h

We want to solve this for v, that is the velocity.

v = √(2*g*h) = √(2*9.8m/s^2*2m) = 6.26 m/s

So the speed at which your sister hits the water is 6.26 m/s

To calculate the fraction of energy lost per cycle of oscillation (ΔU/U) in an oscillating RLC circuit, we can use the following formula:

ΔU/U = (1/2π) * (R / √(1/(LC) - (R/(2L))^2))

Given:

Inductance (L) = 2.6 mH = 2.6 * 10^(-3) H

Capacitance (C) = 3.4 μF = 3.4 * 10^(-6) F

Resistance (R) = 4.1 Ω

Plugging the values into the formula:

ΔU/U = (1/2π) * (4.1 Ω / √(1/((2.6 * 10^(-3) H) * (3.4 * 10^(-6) F)) - ((4.1 Ω)/ (2 * (2.6 * 10^(-3) H)))^2))

Calculating the expression within the square root:

1/((2.6 * 10^(-3) H) * (3.4 * 10^(-6) F)) - ((4.1 Ω)/ (2 * (2.6 * 10^(-3) H)))^2

= 14226.99...

Substituting the value back into the main equation:

ΔU/U = (1/2π) * (4.1 Ω / √14226.99...)

ΔU/U ≈ 0.0034

Therefore, the fraction of energy lost per cycle of oscillation (ΔU/U) in the given RLC circuit is approximately 0.0034, or 0.34%.

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The best time for digging clams, specifically when the low tide is extra low, is during the time of the spring tide.

A spring tide occurs when the Sun, Moon, and Earth align in a straight line, creating a combined gravitational pull that leads to exceptionally high high tides and exceptionally low low tides. This alignment happens during the new moon and full moon phases.

During a spring tide, the tidal range is at its maximum, which means the difference between high tide and low tide is the greatest. The extra-low low tide exposes more of the shoreline, making it an ideal time for clam digging as it provides greater access to the areas where clams are buried in the sand or mud.

It's important to note that the timing of low tides, including extra low tides, varies depending on the specific location and local tidal patterns. Checking tide charts or consulting local authorities can provide accurate information about the best time for clam digging in a particular area.

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Answer:

Volume, \(V=696.55\ \mu m^3\)

Explanation:

Given that,

The diameter of a human cell is 11 μm

It is enclosed by a membrane that is 4,4 nm thick.

We need to find the volume of the cell. The cell is spherical in shape. The volume of a sphere is given by the formula as follows :

\(V=\dfrac{4}{3}\pi r^3\)

r is the radius of the sphere, r = 5.5 μm

So,

\(V=\dfrac{4}{3}\times 3.14\times (5.5)^3\\\\V=696.55\ \mu m^3\)

So, the volume of the cell is \(696.55\ \mu m^3\).

To find the equivalent capacitance of the combination, we can use the formula for capacitance in a series circuit and a parallel circuit.

let's find the capacitance of the two capacitors C2 and C3 in parallel. The capacitance in parallel is given by:

C23 = C2 + C3 = 5.00 µF + 4.00 µF = 9.00 µF

Next, let's find the capacitance of the capacitors C1 and C23 in series. The capacitance in series is given by:

1/C123 = 1/C1 + 1/C23

Substituting the values, we get:

1/C123 = 1/15.0 µF + 1/9.00 µF

Simplifying, we get:

1/C123 = (3/45 + 5/45) µF^-1 = 8/45 µF^-1

Therefore, the capacitance of the combination is:

C123 = 45/8 µF = 5.625 µF

So the equivalent capacitance of the combination is 5.625 µF.

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Answer:

4 miles per hour

Explanation:

Your welcome

Answer:burning paper

Explanation: it’s burned, you can’t put it back together ( you can’t undo a chemical reaction/ change )

Answer:1.0129 ×10⁵

Explanation:

Answer:

6 also

Explanation:

Since Kinetic Energy and mass are directly proportional, as one increases, the other will increase with the same magnitude