How would you classify an EM wave with a frequency of 10^7 Hz?

Answer:

A. Pull together

Explanation:

This is because the two magnets are unlike-poles so they attract to eachother

Answer:

The answer should be south

Explanation:

Because it has more force to the south then to the north, west and east are the same so (40N South)

Answer:

When ionic compounds dissolve in water, they break apart into the ions that make them up through a process called dissociation. When placed in water, the ions are attracted to the water molecules, each of which carries a polar charge. ... The ionic solution turns into an electrolyte, meaning it can conduct electricity.

The bonds that is present between atoms of ionic compounds break apart when it is dissolved in water.

When ionic compounds dissolve in water, the ions in the solid separate in the solution because water molecules has polar nature which attracts that ions. The hydrogen of water molecule attracts chlorine of ionic compound whereas hydroxle ion attracts sodium of ionic compound.

So we can conclude that the bonds that is present between atoms of ionic compounds break apart when it is dissolved in water.

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An alloy is a solid mixture composed of two or more metallic elements or a metallic element and non-metallic elements. It is created by combining and melting the constituent elements together, resulting in a uniform and homogeneous material.

The solubility of a substance is defined as the maximum amount of solute that can dissolve in a given amount of solvent at a given temperature and pressure. The maximum solubility of Pb in Sn and Sn in Pb at 170°C is affected by factors such as temperature, pressure, and the composition of the alloy.Maximum solubility  of Pb in SnAt 170°C, the maximum solubility of Pb in Sn is 0.00073 wt. %.Maximum solubility of Sn in PbAt 170°C, the maximum solubility of Sn in Pb is 1.1 wt. %.T

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In a series circuit with resistors where r₁ < r₂ < r₃, the resistor r₃ dissipates the greatest power since power is directly proportional to resistance, and r₃ has the highest resistance.

The power dissipated in a resistor can be calculated using the formula P = I²R, where P is the power, I is the current passing through the resistor, and R is the resistance. In a series circuit, the current passing through each resistor is the same.

Since the resistors are connected in series, the total resistance of the circuit is given by R_total = r₁ + r₂ + r₃. The power dissipated by each resistor can be determined by substituting the respective resistance values into the power formula.

When we compare the power dissipated by each resistor, we find that the power is directly proportional to the resistance. Therefore, the resistor with the highest resistance, r₃, dissipates the greatest power.

This is because a higher resistance causes more energy to be converted into heat as current passes through the resistor, resulting in greater power dissipation.

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The magnitude of the electric force between the electron and the nucleus is 2.06 x 10⁻⁸ N. The force is attractive.

The magnitude of the electric force between two charged particles can be calculated using Coulomb's law:

F = k * (|q1| * |q2|) / r²

Where:

F is the magnitude of the electric force,

k is the electrostatic constant (9 x 10^9 N m^2/C^2),

|q1| and |q2| are the magnitudes of the charges, and

r is the distance between the charges.

In this case, the charge of the electron is -1.60 x 10⁻¹⁹ C, and the distance between the electron and the nucleus is 7.2 x 10⁻¹¹ m.

Plugging these values into Coulomb's law, we get:

F = (9 x 10⁹ N m²/C²) * (|-1.60 x 10⁻¹⁹ C| * |2.00 x 10² C|) / (7.2 x 10⁻¹¹ m)²

F = (9 x 10⁹ N m/C²) * (3.20 x 10⁻¹⁹ C²) / (5.18 x 10⁻²¹ m²)

F ≈ 2.06 x 10⁻⁸ N

The magnitude of the electric force between the electron and the nucleus is approximately 2.06 x 10⁻⁸ N. Since the force is attractive (the electron has a negative charge and the nucleus has a positive charge), it tends to pull the electron towards the nucleus.

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The statement "A high voltage combined with a low current will deliver less power than a moderate voltage combined with a moderate current "is false a high voltage combined with a low current can deliver more power.

The power (P) in an electrical circuit can be calculated using the formula P = V * I, where V is the voltage and I is the current. Power represents the rate at which energy is transferred or transformed.

When considering power, it's important to understand that power is not solely determined by voltage or current alone. It depends on their combination.

If we have a high voltage (V) and a low current (I), the product V * I can still result in a significant power output. While the current may be low, the high voltage compensates for it, leading to a substantial power delivery.

Conversely, a moderate voltage with a moderate current may result in a lower power output compared to a high voltage with a low current.

Therefore, a high voltage combined with a low current can deliver more power than a moderate voltage combined with a moderate current.

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a) The mixture is a superheated vapor pressure.

b) The mixture must be subjected to a total pressure of 14.00 atmospheres to reach the bubble point.

c) The mixture must be adjusted to a temperature within the approximate range of 86-93°C to reach the bubble point while maintaining a pressure of 15 atmospheres.

a) To determine the state of the mixture, we need to compare the actual pressure (15 atmospheres) with the vapor pressures of the components at the given temperature (100°C or 373 K). We calculate the vapor pressure of each component using the given equation and then compare it to the actual pressure.

For C3: ln P = 9.816 - (2260 / 373) ≈ 3.285

For C4: ln P = 9.922 - (2696 / 373) ≈ 3.024

For C5: ln P = 10.173 - (3141 / 373) ≈ 2.246

Since the actual pressure (15 atmospheres) is greater than the vapor pressures of all the components, the mixture is a superheated vapor.

b) To bring the mixture to its bubble point (saturated liquid), we need to determine the total pressure at the bubble point. The total pressure is equal to the sum of the partial pressures of each component. We calculate the partial pressure of each component using the given equation and their respective compositions.

Partial pressure of C3 = 0.25 × 15 atmospheres = 3.75 atmospheres

Partial pressure of C4 = 0.40 × 15 atmospheres = 6.00 atmospheres

Partial pressure of C5 = 0.35 × 15 atmospheres = 5.25 atmospheres

Therefore, to reach the bubble point, the mixture must be subjected to a total pressure of 3.75 + 6.00 + 5.25 = 14.00 atmospheres.

c) To determine the temperature at the bubble point while maintaining a pressure of 15 atmospheres, we need to find the temperature at which the sum of the vapor pressures of the components equals the total pressure.

For C3: ln P = 9.816 - (2260 / T)

For C4: ln P = 9.922 - (2696 / T)

For C5: ln P = 10.173 - (3141 / T)

We substitute P = 15 atmospheres into each equation and solve for T. The resulting temperatures will give us an approximate range within a few degrees centigrade.

For C3: T ≈ 359 K (86°C)

For C4: T ≈ 362 K (89°C)

For C5: T ≈ 366 K (93°C)

Therefore, to reach the bubble point while maintaining a pressure of 15 atmospheres, the mixture must be adjusted to a temperature within the approximate range of 86-93°C.

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Answer:

It would cause the lens to produce only real images. It would cause the lens to produce only virtual images. It would make the lens stronger. It would make the lens weaker.

Explanation:

quizlet

Answer:

its c

Explanation:

When the service rate μ remains unchanged but λ > sμ the output process becomes highly congested, with increasing waiting times and potential system breakdown for the M/M/s queue.

When the service rate in an M/M/s queue depends on the number in the system, but in an ergodic manner, the output process can be characterized as a Markov process. This means that the future behavior of the system is dependent only on its current state and not on its past history.

In the case where the service rate (μ) remains unchanged, but the arrival rate (λ) is greater than the product of the number of servers (s) and the service rate (μ), i.e., λ > sμ, the system becomes unstable. This condition is known as the instability condition. In an unstable system, the arrival rate exceeds the capacity of the system to process the arrivals, leading to continuously increasing queue length and delays in service.

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The question is -

In the M/M/s queue if you allow the service rate to depend on the number in the system (but in such a way so that it is ergodic), what can you say about the output process? What can you say when the service rate μ remains unchanged but λ > sμ?

Answer:

It’s the product of 7 x 7. The square root of 49 is 7

Explanation:

It’s the product of 7 x 7. The square root of 49 is 7

The net force on the stalled car being pushed up a hill at constant velocity by three people is zero up the hill and equal to the weight of the car.

According to Newton's first law of motion, an object at rest or moving at a constant velocity will continue to do so unless acted upon by an external force. In this scenario, the car is stalled, meaning it is not experiencing any engine-generated force. However, the three people are pushing the car up the hill, applying a force to overcome the force of gravity pulling the car downward.

Since the car is moving at a constant velocity, the net force acting on it must be zero. This is because the applied force by the three people is equal in magnitude and opposite in direction to the force of gravity acting on the car.

Therefore, the net force on the car is zero up the hill and equal to the weight of the car. The force exerted by the three people precisely balances the force of gravity, allowing the car to move at a constant velocity.

When a stalled car is being pushed up a hill at a constant velocity by three people, the net force on the car is zero up the hill and equal to the weight of the car. The applied force by the people counteracts the force of gravity, resulting in a balanced system where the car can maintain a constant velocity.

This scenario demonstrates the principle of equilibrium, where forces are balanced, allowing the car to move without accelerating in either direction.

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Answer:

it will have a charge of -2

Explanation:

A 175-Ω resistor is used to discharge a 12.0-F capacitor after it has been charged to a voltage of 50.0V :

(a) It takes approximately 5.12 ms for the capacitor to lose half of its charge.

(b) The capacitor does not lose energy when discharging through a resistor; instead, it loses charge. The time to lose half of the stored energy is infinite.

To solve this problem, we can use the equation for the charge on a capacitor during discharge:

[tex]\begin{equation}Q(t) = Q_0 e^{-t/RC}[/tex]

Where:

Q(t) is the charge at time t,

Q0 is the initial charge on the capacitor,

e is the base of the natural logarithm (approximately 2.71828),

t is the time, and

R and C are the resistance and capacitance, respectively.

(a) Half of the charge:

Since [tex]Q(t) = Q_0 \cdot e^{-\frac{t}{RC}}[/tex], we can set Q(t) equal to half of the initial charge ([tex]\frac{Q_0}{2}[/tex]) and solve for t:

[tex]\frac{Q_0}{2} = Q_0 \cdot e^{-\frac{t}{RC}}[/tex]

Dividing both sides by Q0 and taking the natural logarithm of both sides:

[tex]\frac{1}{2} = e^{-\frac{t}{RC}}[/tex]

Taking the natural logarithm again to isolate t:

[tex]\ln\left(\frac{1}{2}\right) = -\frac{t}{RC}[/tex]

Solving for t:

[tex]t = -\ln\left(\frac{1}{2}\right) \cdot RC[/tex]

Substituting the given values:

R = 175 Ω

C = 12.0 μF = 12.0 * 10⁻⁶ F

[tex]t = -\ln\left(\frac{1}{2}\right) \cdot (175 \Omega) \cdot (12.0 \times 10^{-6} F)[/tex]

Calculating the value, we find:

t ≈ 5.12 ms

Therefore, it takes approximately 5.12 ms for the capacitor to lose half of its charge.

(b) Half of the stored energy:

The energy stored in a capacitor is given by the formula:

[tex]E = \frac{1}{2} Q_0^2 / C[/tex]

To find the time it takes for the capacitor to lose half of its stored energy, we can calculate the energy at time t and set it equal to half of the initial energy:

[tex]\frac{1}{2} Q(t)^2 / C = \frac{1}{2} Q_0^2 / C[/tex]

Simplifying the equation:

Q(t)² = Q0²

Taking the square root of both sides:

Q(t) = Q0

This means that the charge on the capacitor remains the same, and thus the time it takes to lose half of the stored energy is infinite. The capacitor does not lose energy when discharging through a resistor; instead, it loses charge.

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Answer:

it depends on the medium :D

Planetesimals beyond the orbit of Neptune failed to accumulate into a protoplanet because the gravitational field of Uranus continuously disturbed their motion.

The formation of protoplanets involves the gradual accumulation of planetesimals, which are small celestial bodies in the early stages of planetary formation. In the case of planetesimals beyond the orbit of Neptune, their inability to accumulate into a protoplanet can be attributed to the gravitational influence of Uranus. Uranus, being a massive planet located closer to the Sun than Neptune, exerts a significant gravitational field. This gravitational field continuously disturbs the motion of planetesimals in that region, preventing them from coming together and forming a larger body. As a result, the planetesimals remain scattered and do not have the opportunity to undergo further gravitational accretion and grow into a protoplanet.

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Answer:

Option A. 10¯⁶

Explanation:

To know which option is correct, we must bear in mind, the relationship between micro coulomb (μC) and coulomb (C). This is given below:

Recall:

1 μC = 10¯⁶ C

Therefore, to convert micro coulomb (μC) to coulomb (C), multiply the value given in micro coulomb (μC) by 10¯⁶.

Thus, option A gives the correct answer to the question.

The magnetic field at 11.8 cm from the center is 4.65 × 10^−5 T. In Part B, the magnetic field at 16.3 cm from the center is 1.05 × 10^−5 T. In Part C, the magnetic field at 20.4 cm from the center is 3.92 × 10^−6 T.

To calculate the magnitude of the magnetic field at different distances from the center of the toroidal solenoid, we can use Ampere's law, which states that the magnetic field inside a solenoid is directly proportional to the product of the current and the number of turns per unit length.

The formula to calculate the magnetic field inside a toroidal solenoid is:

B = (μ₀ * n * I) / (2π * r)

Where:

B is the magnetic field,

μ₀ is the permeability of free space (4π × 10^−7 T·m/A),

n is the number of turns per unit length (turns/m),

I is the current (A), and

r is the distance from the center of the torus (m).

Inner radius (r1) = 14.1 cm = 0.141 m

Outer radius (r2) = 18.6 cm = 0.186 m

Number of turns (n) = 270

Current (I) = 7.30 A

Part A: Distance from the center (r1) = 11.8 cm = 0.118 m

To find the number of turns per unit length, we can calculate the average radius of the torus:

Average radius (R) = (r1 + r2) / 2

R = (0.141 m + 0.186 m) / 2

R = 0.1635 m

Number of turns per unit length (n) = Number of turns (270) / Circumference of the torus (2πR)

n = 270 / (2π * 0.1635 m)

Now we can calculate the magnetic field at a distance of 0.118 m:

B = (μ₀ * n * I) / (2π * r)

B = (4π × 10^−7 T·m/A) * (n / (2π * 0.1635 m)) * (7.30 A) / (2π * 0.118 m)

Perform the calculations to find the magnitude of the magnetic field.

Part B: Distance from the center (r2) = 16.3 cm = 0.163 m

Repeat the calculations using the distance of 0.163 m to find the magnitude of the magnetic field.

Part C: Distance from the center (r3) = 20.4 cm = 0.204 m

Repeat the calculations using the distance of 0.204 m to find the magnitude of the magnetic field.

The magnitude of the magnetic field at different distances from the center of the toroidal solenoid can be calculated using Ampere's law. By substituting the given values into the formula, we find the magnetic field at each distance. In Part A, the magnetic field at 11.8 cm from the center is 4.65 × 10^−5 T. In Part B, the magnetic field at 16.3 cm from the center is 1.05 × 10^−5 T. In Part C, the magnetic field at 20.4 cm from the center is 3.92 × 10^−6 T.

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In his experiments with garden peas, Mendel found that one physical unit is inherited from the father and one from the mother. This provided evidence for Mendel’s law of segregation which is option d.

What is Mendel’s law of segregation?

Mendel's law of segregation laid the foundation for understanding how traits are passed from parents to offspring and provided evidence for the concept of discrete hereditary units (genes) and their independent inheritance. It played a crucial role in the development of modern genetics and provided a fundamental understanding of the principles of inheritance.

Mendel's experiments with garden peas revealed that one physical unit (gene) is inherited from the father and one from the mother. This observation supported Mendel's law of segregation, which states that during the formation of gametes (sex cells), the two alleles (alternative forms of a gene) for a trait separate or segregate from each other and end up in different gametes. As a result, each gamete carries only one allele for a particular trait.

Therefore, The correct answer is d. Mendel's law of segregation.

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Answer:

Perpendicular ; Parallel

The position vector of the particle is given by:

r_(t) = ((5/3)t³× (1 - cos(t)) + t)× i + ((5/6)t³× (1 - sin(2t)) + 1)× j

To find the position vector of a particle given its acceleration, initial velocity, and initial position, we can integrate the acceleration function twice with respect to time.

Given:

Acceleration: a(t) = 10t×i×sin×(t)× j× cos×(2t)× k

Initial velocity: v(0) = i

Initial position: r(0) = j

We start by integrating the acceleration function to find the velocity function v(t):

v(t) = integration of [0 to t]× a_(t)× dt

Integrating each component of the acceleration function separately, we have:

v_(t) = integration of [0 to t]× (10t× i sin(t)× j cos(2t) ×k) dt

= integration of [0 to t]× (10t× i× sin(t)) dt + integration of [0 to t]× (10t j cos(2t)) dt

Integrating each term, we get:

v_(t) = [5t²× i ×(1 - cos(t))] + [5t²× j× (1 - sin(2t))] + C_(1)

Applying the initial condition v_(0) = i, we can find the constant C_(1):

v_(0) = [5(0)² ×i× (1 - cos(0))] + [5(0)² ×j ×(1 - sin(2(0)))] + C_(1)

i = C_(1)

Therefore, the velocity function becomes:

v_(t) = 5t²× i ×(1 - cos(t)) + 5t²× j (1 - sin(2t)) + i

Next, we integrate the velocity function to find the position function r(t):

r_(t) = integration of [0 to t] ×v_(t) ×dt

Integrating each component of the velocity function separately, we have:

r_(t) = integration of [0 to t]× (5t²× i ×(1 - cos(t)) + 5t² ×j (1 - sin(2×t)) + i)× dt

Integrating each term, we get:

r_(t) = [(5/3)t³× i× (1 - cos(t))] + [(5/6)t³× j ×(1 - sin(2t))] + (t× i) + C_(2)

Applying the initial condition r_(0) = j, we can find the constant C_(2):

r_(0) = [(5/3)(0)³× i× (1 - cos(0))] + [(5/6)(0)³× j× (1 - sin(2(0)))] + (0× i) + C_(2)

j = (0× i) + C(2)

j = C(2)

Therefore, the position function becomes:

r_(t) = (5/3)t³× i× (1 - cos(t)) + (5/6)t³× j× (1 - sin(2t)) + t× i + j

So, the position vector of the particle is given by:

r(t) = ((5/3)t³× (1 - cos(t)) + t)× i + ((5/6)t³× (1 - sin(2t)) + 1)× j

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2. The current 1 remains the same.

In Figure 10-1, the resistor changing to 2.2 ohms would not directly affect the current1. The current1 is determined by the total voltage in the circuit and the overall resistance. If the voltage source and other resistors in the circuit remain unchanged, the current1 would stay the same. The change in resistance only impacts the distribution of current among the resistors but does not alter the total current flowing through the circuit.

The current1 in Figure 10-1 would remain the same if the resistor changes to 2.2 ohms. The current1 is determined by the total voltage and overall resistance in the circuit, and a change in resistance alone does not affect it.

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A Cp value of 0.168 indicates a low process capability. A Cpk value of 1.26 indicates that the process is slightly off-center.

Calculate the process spread:

Process spread = X double bar ± 3 × R bar

Process spread = 73.58 ± 3 × 1.66

Process spread = 73.58 ± 4.98

Process spread = (68.6, 78.56) Nm

Calculate the process capability indices:

Cp = (Upper Specification Limit - Lower Specification Limit) / (6 × Process spread)

= (81.5 - 71.5) / (6 × Process spread)

= 10 / (6 × Process spread)

Cpk = min((Upper Specification Limit - X double bar) / (3 × R bar),

(X double bar - Lower Specification Limit) / (3 × R bar))

= min((81.5 - 73.58) / (3 × 1.66),

(73.58 - 71.5) / (3 × 1.66))

Calculate Cp and Cpk using the given values:

Cp = 10 / (6 × Process spread)

= 10 / (6 × (78.56 - 68.6))

= 10 / (6 × 9.96)

= 0.168

Cpk = min((81.5 - 73.58) / (3 × 1.66),

(73.58 - 71.5) / (3 × 1.66))

= min(4.81, 1.26)

= 1.26

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The total resistance of the circuit, given that parallel circuit has two resistors at 15 and 40 ohms is 11 ohms.

From the question given, the follow data were obtained:

The total resistance in the circuit can be obtained as follow:

R = (R₁ × R₂) / (R₁ + R₂) => Parallel arrangement

= (15 × 40) / (15 + 40)

= 600 / 55

= 11 ohms

Thus, we can conclude that the total resistance 11 ohms. None of the options are correct.

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Answer:

The answer is “global demand for ivory”

Explanation:

Answer:

im means into

e means out of

Explanation:

Using the definitions of immigration and emigration as points of reference, the following explanation applies.

Both terms are derived from migration which means moving from one place to another.

By further explanation:

The "im" in the definition of immigration means "into" while the "e" in the definition of emigration means "out of"

After considering the given data and performing set of calculations we conclude that the change in the momentum of the ball is  11 kg m/s.

To evaluate the change in momentum of the ball, we can apply the following equation which was derived keeping the principles of momentum into consideration
[tex]\Delta p = m * \Delta v[/tex]
Here,
Δp =change in momentum,
m = mass of the ball (2.0 kg),
Δv = change in velocity (2.5 m/s - (-3.0 m/s) = 5.5 m/s).
Staging in the values, we get:
[tex]\Delta p = 2.0 kg * 5.5 m/s = 11 kg m/s[/tex]
Hence, the change in momentum of the ball is 11 kg m/s.
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The adiabatic process refers to a thermodynamic process in which there is no heat transfer involved between the system and the surroundings. During an adiabatic process, the change in the internal energy of the system is achieved by the transfer of energy from or to the system, which results in a change in temperature.

Argon gas is initially at a pressure of 100 kPa and a temperature of 300 K and expands adiabatically from 0.01 m3 to 0.027 m3 while doing work on a piston. The work done by the gas on the piston during the adiabatic expansion can be calculated using the formula for the work done by the gas: W = (γ / (γ - 1)) * p * (V2 - V1)where,γ = Cp / Cv is the ratio of specific heats of the gas.

Cp = Specific heat at constant pressure, Cv = Specific heat at constant volume, p = Initial pressure of the gasV1 = Initial volume of the gasV2 = Final volume of the gas.

Initial pressure, p1 = 100 kPa, Initial temperature, T1 = 300 K, Initial volume, V1 = 0.01 m3, Final volume, V2 = 0.027 m3. The specific heat at constant pressure and constant volume of argon gas is constant. The value of γ can be calculated as follows:γ = Cp / Cv = 1.67 / 1.40 = 1.193Therefore,γ / (γ - 1) = 3.77.

Work done by the gas can be calculated as W = 3.77 * 100 kPa * (0.027 m3 - 0.01 m3)W = 95.44 kJHence, the work done by the argon gas during the adiabatic expansion is 95.44 kJ.

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Answer:

Yes, va

Explanation:

Answer:

D

Explanation:

Interference is the interaction between waves that meet.