correct application of fermats theorem to fluid dynamics

Answer:

Two

Explanation:

A neutral point is a point in the magnetic field of a bar magnet where the resultant magnetic field intensity is zero

The neutral point is formed in the region of the combined magnetic field where the magnetic field from the bar magnet is balanced by the horizontal component from the Earth's magnetic field

Two neutral points are formed adjacent to the north and south poles of a bar magnet when the south pole of the bar magnet points in the magnetic north pole of the Earth with the north pole of the bar magnet pointing towards the south pole of the Earth's magnetic field

Two neutral points are also formed on the west and eastern facing sides of a bar magnet when the north pole of the magnet is pointing to the magnetic north of the Earth's magnetic field and the south pole of the bar magnet points south

Therefore, two neutral points are formed for each orientation of the bar magnet when placed horizontally in the Earths magnetic field with the poles of the magnet facing the North and South poles direction of the Earth's magnetic field.

Answer:

Explanation:

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Answer:

Because the Earth is EXTREMELY massive

Explanation:

Answer:

Law of conservation of energy

Gravity is an attractive force, meaning that it pulls objects towards each other. It is considered a relatively weak force compared to other forces in the universe, but its strength is proportional to the mass of the objects involved and the distance between them. Over large distances and for massive objects, gravity can be a very strong force.

The attractive force of gravity is caused by the masses of objects and the distance between them. According to Newton's law of universal gravitation, the strength of the gravity force between two objects is proportional to the product of their masses and inversely proportional to the square of the distance between them. The greater the masses of the objects and the closer they are to each other, the stronger the attractive force of gravity will be between them. This fundamental principle helps to explain why objects are pulled towards each other, creating the attractive force of gravity.

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Answer:

Volume displaced by ducky = 75 mL = 7.5 x 10⁻⁵ m³

Mass displaced by the ducky = 7.5 x 10⁻² kg = 75 grams

Explanation:

The ducky will displace the volume of the water equal to its own volume.

Volume displaced by ducky = 75 mL = 7.5 x 10⁻⁵ m³

And the mass displaced by ducky will be equal to:

Mass displaced by the ducky = (Density of Water)(Volume displaced by ducky)

Mass displaced by the ducky = (1000 kg/m³)(7.5 x 10⁻⁵ m³)

Mass displaced by the ducky = 7.5 x 10⁻² kg = 75 grams

The required value of mass percent of the solution is 10.63%.

Given,Mass of NaCl = 98.6 gVolume of the solution = 875 mL, Density of the solution = 1.06 g/mL.

To calculate the mass percent of the solution, we need to first calculate the mass of the solution.

We can do this using the density formula:density = mass/volume,

Rearranging this formula, we get:mass = density x volume.

Now substituting the given values in the above equation, we get:mass = 1.06 g/mL x 875 mLmass = 927.5 gNow, we can calculate the mass percent (mass%) of the solution using the following formula:mass% = (mass of solute / mass of solution) x 100.Substituting the values, we get:mass% = (98.6 / 927.5) x 100mass% = 10.63%.

Therefore, the mass percent of the solution is 10.63%..

To calculate the mass percent of the solution, we need to first calculate the mass of the solution. We can do this using the density formula:density = mass/volume,

Rearranging this formula, we get:mass = density x volume.Now substituting the given values in the above equation, we get:mass = 1.06 g/mL x 875 mLmass = 927.5 g.

Now, we can calculate the mass percent (mass%) of the solution using the following formula:mass% = (mass of solute / mass of solution) x 100.Substituting the values, we get:mass% = (98.6 / 927.5) x 100mass% = 10.63%.

We are given the mass of NaCl, volume of the solution, and density of the solution. We have to calculate the mass percent of the solution.

To do so, we need to first calculate the mass of the solution. We can calculate the mass of the solution using the density formula, which is density = mass/volume. Rearranging this formula, we get mass = density x volume. Substituting the given values, we get mass = 1.06 g/mL x 875 mL = 927.5 g.

Now we can use the formula for mass percent, which is mass% = (mass of solute / mass of solution) x 100. Substituting the values, we get mass% = (98.6 / 927.5) x 100 = 10.63%.

Therefore, the mass percent of the solution is 10.63%.

In conclusion, the mass percent of the solution is 10.63%.

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Answer:

I think he answer is C but I could be wrong

Explanation:

brainliest plz

Answer:

d mark brainlyest

Explanation:

The wavelength of the infrared carrier wave transmitted by a television remote control at 36 500 Hz is 8.21 x 10³ m

The speed of the light = 3 x 10⁸ m/s

The frequency of the remote control = 36,500 Hz

The wavelength of the infrared carrier can be found using the formula,

                          λ = c/ν

where λ is the wavelength of the infrared carrier

          c is the speed of the light

          ν is the frequency of the infrared carrier

Substituting the known values in the above equation,

                  λ = 3 x 10⁸ / 36,500

                     = 0.0000821 x 10⁸

                     = 8.21 x 10³ m

Thus, the wavelength of the infrared carrier is  8.21 x 10³ m

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Neurotransmitter diversity in each individual can indeed impact their personality. Differences in the neurotransmitter called serotonin could influence the stability of both high and low moods, impulsivity, extroversion, and novelty seeking (openness to new ideas).

Serotonin is a neurotransmitter that plays a crucial role in regulating mood, emotions, and behavior. It is involved in various brain functions, including mood regulation, impulse control, social behavior, and the processing of reward and punishment.

Individuals with variations in serotonin levels or receptor sensitivity may exhibit differences in their personality traits. Lower levels of serotonin have been associated with an increased likelihood of experiencing mood disorders such as depression, anxiety, and impulsivity. This can manifest as instability in mood, with individuals experiencing both high and low moods more frequently.

Impulsivity, which refers to acting without thinking, can be influenced by serotonin levels. Lower levels of serotonin have been linked to higher levels of impulsivity, while higher levels are associated with greater impulse control.

Extroversion, characterized by being outgoing, sociable, and seeking social interactions, can also be influenced by serotonin. Serotonin has been implicated in regulating social behavior, and variations in serotonin levels can impact an individual's sociability and preference for social engagement.

Furthermore, serotonin is involved in regulating novelty seeking, which is associated with openness to new ideas and experiences. Lower serotonin levels have been linked to increased novelty seeking and a willingness to take risks and explore new possibilities.

It is important to note that personality traits are complex and influenced by a multitude of factors, including genetics, environment, and individual experiences. While serotonin plays a role in shaping personality, it is just one piece of the puzzle, and its effects interact with other factors to contribute to an individual's unique personality profile.

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Answer:

The correct answer would be C. 5.0kg

Explanation:

The mass of an object never changes unless parts of the object are taken away. In other words, although the gravitational force is different on the moon then on the earth the mass of the object would remain the same.

The formula for calculating the kinetic energy k of a rotating wheel is: \(k = 0.5 * m * r^2 * n^2 * π^2 * t^2\)where m is the mass of the wheel, r is the radius of the wheel, n is the number of revolutions per unit of time, t is the time elapsed, and π is a constant equal to approximately 3.14.

The kinetic energy (K) of a rotating wheel can be expressed as:
\(K = 1/2 * I * ω²\)
Where I is the moment of inertia of the wheel and ω is the angular velocity. For a wheel (disk), the moment of inertia can be expressed as:
\(I = 1/2 * m * r²\)
The angular velocity (ω) can be calculated by dividing the total angle rotated (n * 2π, where n is the number of rotations) by the time taken (t):
\(ω = (n * 2π) / t\)
Now, substitute the values of I and ω in the kinetic energy equation:
\(K = 1/2 * (1/2 * m * r²) * ((n * 2π) / t)²K = 1/4 * m * r² * (4π² * n² / t²)\)
Finally, simplifying the equation:
\(K = m * π² * n² * r² / t²\)

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True,Observations suggest that the density of the universe is made up mostly of dark matter.

Dark matter is a type of matter that does not interact with light or other electromagnetic radiation, making it invisible to direct observation. However, its presence can be inferred through its gravitational effects on visible matter and the large-scale structure of the universe.Studies of the rotation curves of galaxies, gravitational lensing, and the distribution of matter on cosmological scales indicate that there is more mass in the universe than can be accounted for by visible matter alone. This "missing mass" is attributed to dark matter, which is estimated to make up approximately 85% of the total matter content in the universe. The density of dark matter is thought to significantly exceed the density of visible matter, leading to the conclusion that dark matter dominates the overall mass density of the universe.

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Answer:

-24650580. maybe I think

The constant acceleration required to increase the speed of the car from 20 mi/h to 52 mi/h in 3 seconds is 10.67 mi/h².

First, convert the initial and final velocities to feet per second (fps) to match the unit of acceleration:

Then, use the formula:

where a is the acceleration, vf is the final velocity, vi is the initial velocity, and t is the time interval.

Substituting the values:

Finally, convert the answer to miles per hour squared:

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Answer:

1.55

Explanation:

that it is the standard refractive index.

The magnitude of the vector with components -14.0 units in the x-direction and 5 units in the y-direction can be calculated using the Pythagorean theorem.

The magnitude of a vector represents its length or size. In the xy plane, the magnitude of a vector with components in the x-direction (horizontal) and y-direction (vertical) can be found using the Pythagorean theorem. The theorem states that the square of the magnitude of a vector is equal to the sum of the squares of its components.

For the given vector with components -14.0 units in the x-direction and 5 units in the y-direction, we can calculate its magnitude as follows:

Magnitude = sqrt(\(14^{2} } +5^{2}\))

Magnitude = sqrt(196 + 25)

Magnitude = sqrt(221)

Magnitude ≈ 14.87 units

Therefore, the magnitude of the vector is approximately 14.87 units. This represents the length or size of the vector in the xy plane, taking into account its components in the x and y directions.

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You would need to save  $611.11 each month to build up a 5-month emergency fund over an 18-month period.

To calculate how much you need to save each month to build up a 5-month emergency fund over an 18-month period, we'll follow these steps:

Step 1: Calculate your gross monthly income.

Since you are paid semi-monthly, you receive 24 paychecks in a year (12 months x 2 paychecks per month). Therefore, your gross monthly income can be calculated as follows:

Gross Monthly Income = Gross Annual Income / Number of Paychecks in a Year

Gross Monthly Income = $52,800 / 24

Gross Monthly Income = $2,200

Step 2: Determine your savings goal.

You want to build up a 5-month emergency fund. To determine the amount needed for the emergency fund, multiply your monthly income by the number of months you want to save for:

Emergency Fund Goal = Monthly Income x Number of Months

Emergency Fund Goal = $2,200 x 5

Emergency Fund Goal = $11,000

Step 3: Determine the total savings needed over the 18-month period.

To build up the emergency fund over an 18-month period, multiply the emergency fund goal by the number of months:

Total Savings Needed = Emergency Fund Goal x Number of Months

Total Savings Needed = $11,000 x 18

Total Savings Needed = $198,000

Step 4: Calculate the monthly savings amount.

Finally, divide the total savings needed by the number of months:

Monthly Savings Amount = Total Savings Needed / Number of Months

Monthly Savings Amount = $198,000 / 18

Monthly Savings Amount ≈ $11,000 / 18

Monthly Savings Amount ≈ $611.11

Therefore, you would need to save approximately $611.11 each month to build up a 5-month emergency fund over an 18-month period.

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Reducing the separation of two bodies to one-fourth its original value will cause the gravitational force between them to become stronger times 16.

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The flaw in the experiment on water recycling is that the student did not see water dripping off the glass plate as expected. To correct this flaw, the student should use a cold glass plate instead of a hot glass plate.

The correct option to the given question is option 4.

When the student holds the hot glass plate above the beaker, the water vapor in the atmosphere will come into contact with the cold surface of the plate and condense, forming water droplets. However, if the glass plate is already hot, it will not be able to cool down the water vapor quickly enough for condensation to occur.

By using a cold glass plate, the temperature difference between the plate and the water vapor will be greater, allowing for faster condensation. This will result in water droplets forming on the glass plate and dripping off, demonstrating the process of water recycling through the atmosphere.

Therefore, the correct method to correct the flaw in this experiment is to use a cold glass plate instead of a hot glass plate. This will enable the student to observe water droplets on the glass plate as expected.

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Answer:

v = velocity

f = frequency

A = Wavelength

T = period

Explanation:

hope it helps

Answer:

Educational institutions can influence what psychological perspectives are taught, studied, and researched. Take, for example, behaviorism. Before the cognitive perspective re-emerged, behaviorism was the dominant perspective being taught in most universities. Personal ideology can also affect which perspective a psychologist supports, the course of research a psychologist undertakes, and also a psychologist's perception and interpretation of research findings. For example, during the dominance of behaviorism, psychologists were discouraged from studying cognitive processes. As a result, much of the research conducted had a behaviorist slant to it.

Explanation:

Answer:

it is a good throw

Explanation:

Answer:

It was either a Hail mary and if he caught it then GOOD for the QB and GREAT for catching it Wide Receiver or Tight End.

Explanation:

I LOVE FOOT BALL I PLAY WIDE RECEIVER FOR MY SCHOOL AND WE ARE UNBEATEN A TEAM FORFEITED CUZ THEY DIDNT WANNA LOSE TO MY TEAM.

The magnetic flux through the coil is given by:

Φ = BAcosθ

where B is the magnetic field, A is the area of the coil, and θ is the angle between the magnetic field and the normal to the plane of the coil. Since the axis of the coil is parallel to the field, θ = 0 and the equation simplifies to:

Φ = BA

The rate of change of magnetic flux is given by:

dΦ/dt = d(BA)/dt = A(dB/dt)

Plugging in the given values, we get:

A = πr^2 = π(1.0 cm)^2 = 3.14 × 10^-4 m^2

dB/dt = (0.30 T - 0.00 T)/(20 ms) = 1.5 × 10^4 T/s

Therefore, the emf induced in the coil is:

emf = -N(dΦ/dt) = -500 × 3.14 × 10^-4 m^2 × 1.5 × 10^4 T/s = -0.235 V

Note that the negative sign indicates that the emf is induced in a direction that opposes the change in magnetic flux.

The work done when a spring is stretched from 0 to 40cm is 4J.

What is work done?

Work done is the magnitude of force multiplied by displacement of an object. It is also the amount of energy transferred to an object when work is done on that.

The work done on the spring to stretch to 40cm is,

F = kx

where F is force, k is force constant.

k = F / x = 10 N / 20 * 10^-2 m = 50 N/m

W = 0.5 * k * (x)^2

where W = work done, k = force constant.

W = 0.5 x 50 x (40 x 10^-2)^2 = 4 J.

Therefore, the work done on the spring when it is stretched to 40cm is 4J.

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The molar mass of the gas is approximately 2725 g/mol.

To calculate the molar mass of the gas, we need to use the ideal gas law: PV = nRT

where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature in Kelvin.

First, we need to convert the given values to the appropriate units. The pressure is given in mmHg, so we need to convert it to atm (the unit of pressure used in the gas constant):

867 mmHg x (1 atm/760 mmHg) = 1.14 atm

The volume is given in mL, so we need to convert it to L:

150.0 mL x (1 L/1000 mL) = 0.1500 L

The temperature is given in Celsius, so we need to convert it to Kelvin:

25 °C + 273.15 = 298.15 K

Now we can plug in the values and solve for the number of moles:

n = PV/RT = (1.14 atm)(0.1500 L)/(0.082057 L·atm/mol·K)(298.15 K) ≈ 0.00127 mol

Finally, we can calculate the molar mass by dividing the mass of the gas by the number of moles:

molar mass = mass/number of moles = 3.455 g/0.00127 mol ≈ 2725 g/mol

Therefore, the molar mass of the gas is approximately 2725 g/mol.

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An electric field with intensity ′E′ is applied to an electrical dipole with dipole moment ′p′. The dipole moves into a place where its axis forms an angle with the electric field.

Justification: Since electric fields are subject to the of superposition, the overall electromagnetic current of a system typically equal to the total of its individual electric fields. Each charge produces an electric field at pixel Value that is equal in size but moves in the opposite direction.

The flux through a surface is at its maximum when it is horizontal to field (left panels) and the paddock vector is parallel to a vector, A. When a surface is perpendicular to the field (figure 3d), no field lines intersect it and there is no flux through it.

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The College Board provides an official formula sheet for the AP Physics 1 exam, which includes several different formulas like kinematics, Newton's law and many others.

1)  Kinematics:

v = vo + at

x = vot + \(1/2at^2\)

\(v^2\) =\(vo^2\)+ 2a(x - xo)

2) Newton's Laws:

Fnet = ma

Fg = mg

Ff ≤ μFn

3) Work, Energy, and Power:

W = Fdcosθ

K = \(1/2mv^2\)

ΔU = -W

P = W/t

4) Systems of Particles and Linear Momentum:

p = mv

Fnet = Δp/Δt

I = \(mR^2\)

5) Rotational Motion and Torque:

τ = Frsinθ

α = Δω/Δt

KErot = \(1/2Iω^2\)

6) Oscillations and Gravitation:

T = 2π√(L/g)

Fg = \(G(m1m2/r^2)\)

7) Waves:

v = fλ

v = √(F/μ)

Note that this list is not exhaustive and other formulas may also be relevant to the AP Physics 1 exam. It's important to review the entire formula sheet and understand how each formula is derived and applied in different contexts.

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