What is the value referred to as critical steepness, that causes a wave to break if the value is exceeded

The correct statement is that, music can be a positive influence as well as a negative one.

Among human behaviors, listening to music is one of the most enigmatic. The majority of ordinary behaviors have an obvious value that can be convincingly linked to the utilitarian goals of survival and reproduction.

One of the most popular pastimes is listening to music. People almost always have music with them in their daily lives.

Studies do, however, indicate that music might have a long-term effect on our mood, causing melancholy or anxiety to worsen.

In certain cases, perhaps more so than external stresses and environmental conditions, specific songs, certain lyrics, and certain musical genres are more likely to exacerbate depression or anxiety.

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\(v = 3.7 \times {10}^{ - 6} \: \: \frac{cm}{s} \)

\(3.7 \times {10}^{ - 6} = \frac{x}{89000} \\ \)

Multiply sides by 89000

\(3.7 \times {10}^{ - 6} \times 89 \times {10}^{3} = x \)

\(37 \times {10}^{ - 1} \times 89 \times {10}^{ - 3} =x \)

\(37 \times 89 \times {10}^{ - 4} = x \)

\(x = 3293 \times {10}^{ - 4} \: \: cm \)

And we're done.....♥️♥️♥️♥️♥️

In a car crash test, whether you let the car slam the wall or let the car plow into a tub of gelatin, the impulses are the same. However, you and your car will experienced greater force if the car slam the wall.

The impulse is defined as the change in momentum.

I = Δp = m . Δv

Where:

I = impulse

p = momentum

m = mass

v = velocity / speed.

From the Newton's second law of motion:

m = F/a

Where:

F = force

a = acceleration

Hence,

I = F / a . Δv

I = F . Δv/a = F . t

Where t = time period of the exerted force.

The initial and the final velocities of the car are the same for both cases. Hence, from the definition of impulse as the change of momentum, the impulses on both cases are the same. However, if the car experienced sudden stop, which means the force exerted on it in only a very short time, the exerted force on the car will be very large.

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When using an ammeter, the following describes the correct method of connecting the meter: the ammeter should be connected in series with the circuit. An ammeter is an electronic instrument that measures the electric current in a circuit in amperes (A) or milliamperes (mA).

An ammeter is utilized to calculate current. It is mostly utilized in circuits to measure current because measuring voltage on live circuits can be dangerous. It must be connected correctly to the circuit to get the proper measurement. It is important to connect an ammeter properly. An ammeter connected improperly can damage the ammeter or cause an explosion. An ammeter should be connected in series with the circuit.

A series circuit is an electrical circuit in which components are connected to one another such that the current passes through each component in turn. The positive terminal of the source is connected to the positive terminal of the first component, and the negative terminal of the first component is connected to the positive terminal of the second component.

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The main answer is:The volume of water displacement of the floating oil rig is 339,394 cubic feet.Explanation:A floating oil rig is anchored in the seabed with cables giving a net pull of 2,250,000 lbf down. Here is how to determine how large a water displacement volume that leads to:

Let us recall the principle of Archimedes: It states that "when an object is fully or partially immersed in a liquid, it experiences an upward force that is equal to the weight of the liquid displaced."The upward force exerted on the floating oil rig is equal to the weight of the water displaced by it, which can be determined using the following formula:Upward force = Weight of water displacedThe formula for the weight of water displaced is:Weight of water displaced = Volume of water displaced × Density of waterwhere

:Volume of water displaced = VDensity of water = ρWe know that the upward force exerted on the oil rig is equal to the net pull of the cables, which is 2,250,000 lbf down. This is also the weight of the oil rig. Therefore, we can say that:Upward force = Weight of water displaced2,250,000 lbf = V × ρ × gwhere:g = acceleration due to gravity = 32.2 ft/s² (this is the value used in the United States)ρ = density of water = 62.4 lb/ft³ (this is the value used in the United States)Solving for V:V = 2,250,000 lbf / (ρ × g)V = 2,250,000 lbf / (62.4 lb/ft³ × 32.2 ft/s²)V ≈ 339,394 ft³Therefore, the volume of water displaced by the floating oil rig is 339,394 cubic feet.

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The true statements about electric motion are:

An electrical device that transforms electrical energy into mechanical energy is an electric motor. The majority of electric motors work by creating force in the form of torque imparted to the motor shaft through the interplay of the magnetic field of the motor and electric current in a wire winding.

Electric generators function with a reversed power flow, transforming mechanical energy into electrical energy, and are mechanically identical to electric motors.

Electric motors can be powered by alternating current (AC) sources like a power grid, inverters, or electrical generators or by direct current (DC) sources like batteries or rectifiers.

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In a graph displaying the evolution of the universe, the line that corresponds to a universe with the largest value of ω_mass one second after the Big Bang would be the line with the steepest slope at t=1 second.

The parameter ω_mass represents the mass density of the universe relative to the critical density. A larger value of ω_mass signifies a more massive and denser universe at a given time.

Therefore, the line with the steepest slope at t=1 second would indicate a universe that is expanding more slowly and is denser than others, due to its higher mass density (ω_mass).

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These graphs do not consistent with one another because one is graph of potential energy U(x)  vs distance(x)  and two is graph of force (F(x)) vs distance(x).

Potential energy in physics is the energy that an item retains as a result of its position in relation to other objects, internal tensions, electric charge, or other elements.

Now, if a force F(x) is applied on an object, that caused a displacement of the object a distance x. Then potential energy of the object is:

U(x) = ∫ F(x)dx.

Hence, U(x) ≠ F(x)

That's why, these graphs  do not consistent with one another.

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Answer:

P = I V = I*2 R       power used in resistive circuit

Doubling the current will cause a 4X increase in power consumed

If light is incident on glass at 0 degrees from perpendicular (i.e., normal incidence), it will emerge at the same angle from perpendicular.

When light passes through a medium with a different refractive index, such as glass, the angle at which it bends is determined by Snell's law. According to Snell's law, the ratio of the sines of the angles of incidence (θ₁) and refraction (θ₂) is equal to the ratio of the refractive indices of the two media.

For normal incidence, when light is incident at 0 degrees from perpendicular, the angle of incidence (θ₁) is 0 degrees. In this case, the sine of 0 degrees is 0. Therefore, according to Snell's law, the sine of the angle of refraction (θ₂) is also 0.

Since the sine of 0 degrees is 0, it means that the angle of refraction is also 0 degrees. This implies that the emerging light will be parallel to the normal, maintaining the same angle from perpendicular.

When light is incident on glass at 0 degrees from perpendicular (normal incidence), it will emerge at the same angle from perpendicular. The angle of refraction will also be 0 degrees, resulting in the emerging light being parallel to the normal.

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The amount of work done by Pablo is 16 J.

The work done by Pablo on the bag of flour is given by the formula:

work = force x distance x cos(theta)

where force is the magnitude of the force applied, distance is the distance moved by the object, and theta is the angle between the direction of the force and the direction of the displacement. In this case, the angle between the direction of the force and the direction of the displacement is 0 degrees (since Pablo lifted the bag straight up), so cos(theta) = 1. Substituting the given values, we get:

work = 20 N x 0.8 m x 1 = 16 J

Therefore, Pablo did 16 J of work on the bag of flour.

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Answer:

i dont know

Explanation:

hello

Answer:

Explanation:

4.0/5

10

author link

AL2006

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Electrical power  =  (voltage) x (current)

Electrical energy  =  (power) x (time)

Combine those definitions:

            Energy  =  (voltage) x (current) x (time)

Divide each side by (voltage x time), and we have

            Current  =  Energy / (voltage x time)

You told us that

            Energy = 1.8 x 10⁷ joules

            Time  =  1 hour  =  3,600 seconds

so we have

            Current  =  (1.8 x 10⁷) / (voltage x 3,600).

If you live in the US, Canada, or Mexico, your voltage is 120 volts.

            Current = (1.8 x 10⁷) / (120 x 3,600)  =  41-2/3 Amperes

If you live practically anywhere else in the world, your voltage is 240 volts.

             Current = (1.8 x 10⁷) / (240 x 3,600)  =  20-5/6 Amperes.

In a one-electron system like hydrogen, the quantum numbers that must be the same for orbitals to be degenerate are:

1. Principal Quantum Number (n): The principal quantum number determines the energy level or shell of the electron. Orbitals with the same principal quantum number are within the same energy level and can be degenerate. For example, all the orbitals with n = 2 (2s and 2p orbitals) in hydrogen are degenerate.

2. Azimuthal Quantum Number (l): The azimuthal quantum number determines the shape of the orbital. For a given principal quantum number (n), the azimuthal quantum number (l) can have values ranging from 0 to (n-1). Orbitals with the same principal quantum number and azimuthal quantum number are degenerate. For example, the 2p orbitals in hydrogen (l = 1) are degenerate.

3. Magnetic Quantum Number (m): The magnetic quantum number determines the orientation of the orbital in space. For a given azimuthal quantum number (l), the magnetic quantum number (m) can have values ranging from -l to +l. Orbitals with the same principal quantum number, azimuthal quantum number, and different magnetic quantum numbers are not degenerate.

4. Spin Quantum Number (s): The spin quantum number determines the spin of the electron. It can have two possible values: +1/2 (spin-up) or -1/2 (spin-down). The spin quantum number is not responsible for orbital degeneracy.

In summary, in a one-electron system like hydrogen, orbitals are degenerate if they have the same values of the principal quantum number (n) and the same values of the azimuthal quantum number (l).

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Answer:

the unit must always be indicated

Explanation:

displacement is alway in metre (m)

Answer:

A: measurement and direction

Explanation:

on edge! hope this helps!!~ (≡^∇^≡)

The equivalent resistance between points A and B in the diagram is 22 Ω

We shall begin by obtaining the equivalent resistance in parallel (i,e the three 6 Ω resistor). Details below:

1/Rₜ = 1/R₁ + 1/R₂ + 1/R₃

1/Rₜ = 1/6 + 1/6 + 1/6

1/Rₜ = 3/6

1/Rₜ = 1/2

Rₜ = 2 Ω

Finally, we shall determine the equivalent resistance between A and B (i.e series arrangement). Details below:

R = R₁ + R₂ + R₃ + R₄ + R₅ + R₆ + R₇ + R₈ + R₉ + R₁₀ + R₁₁

R = 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2

R = 22Ω

Thus, we can conclude that the equivalent resistance is 22 Ω

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Answer:

b

Explanation:

One of the options that are the most appropriate choice of Gaussian surface to use in this problem is a finite closed cylinder whose axis coincides with the axis of the rod and whose cross section has radius r.

This is because the charged cylinder which is of infinite length as mentioned and hence there won't be any electric flux coming out of the top and bottom flat surfaces.

Now, to find out the magnitude of the electric field, we shall have to apply Gauss's law,

\(\int\limits^ _ {} \,\)Eda=  Q enclosed/E

Gaussian surfaces would be the simplest to use to determine the electric field intensity near a long, straight, charged wire, is a cylinder whose axis coincides with the wire.

The Gaussian surface is primarily known as a closed surface in a  three-dimensional space (3-D) such that the flux of a vector field is calculated.

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The mass of each of the two oxides formed is 0.48 g and 0.478 g respectively.

Balanced chemical equation of the given reaction is as follows;3Mg + N2 → Mg3N2

The mole ratio between the reactants magnesium and nitrogen can be given as;

Moles of magnesium = mass / molar mass of magnesium= 2.00 g / 24.31 g mol^-1 = 0.0822 mol

Moles of nitrogen gas = volume x pressure / molar mass of nitrogen= 1.25 L x 1.12 g L^-1 / 28.01 g mol^-1= 0.0509 mol

From the balanced chemical equation, one mole of magnesium reacts with one mole of nitrogen gas to give one mole of magnesium nitride.

Thus, the limiting reagent is nitrogen gas. Therefore, moles of magnesium nitride formed is equal to 0.0509 mol. Since one mole of magnesium nitride contains three moles of magnesium, moles of magnesium required can be given as;Moles of magnesium = 3 × moles of magnesium nitride= 3 × 0.0509 mol= 0.1527 mol

Therefore, the number of grams of magnesium required can be given as;

Mass of magnesium = moles of magnesium × molar mass of magnesium= 0.1527 mol × 24.31 g mol^-1= 3.71 g

Now, the total mass of magnesium nitride is equal to 2.00 g + 2.00 g = 4.00 g.

The mass of nitrogen gas required can be calculated by subtracting the mass of magnesium required from the total mass of magnesium nitride.

Mass of nitrogen gas = total mass of magnesium nitride - mass of magnesium= 4.00 g - 3.71 g= 0.29 g

The two oxides that can be formed are magnesium oxide (MgO) and nitrogen dioxide (NO2).

The balanced chemical equation for the formation of MgO from magnesium can be given as;2Mg + O2 → 2MgO

The moles of magnesium required for the formation of magnesium oxide can be calculated as;

Moles of magnesium = mass / molar mass of magnesium= 0.29 g / 24.31 g mol^-1= 0.0119 mol

Therefore, the number of grams of magnesium oxide formed can be given as;

Mass of magnesium oxide = moles of magnesium × molar mass of magnesium oxide= 0.0119 mol × 40.31 g mol^-1= 0.48 g

The balanced chemical equation for the formation of NO2 from nitrogen can be given as;

N2 + 2O2 → 2NO2

The moles of nitrogen required for the formation of nitrogen dioxide can be calculated as;

Moles of nitrogen = mass / molar mass of nitrogen= 0.29 g / 28.01 g mol^-1= 0.0104 mol

Therefore, the number of grams of nitrogen dioxide formed can be given as;

Mass of nitrogen dioxide = moles of nitrogen × molar mass of nitrogen dioxide= 0.0104 mol × 46.01 g mol^-1= 0.478 g

Thus, the mass of each of the two oxides formed is 0.48 g and 0.478 g respectively.

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Answer:

Electrical conductivity

Explanation:

This is because it is not a bulk property where as the others are.

C is your answer. PH is an acidic trait used to define just how acidic an acid is. Since you are classifying an acid it would go in C with PH.

The electric field of two point charges is inversely proportional to the cube of the distance between the two charges. This is because the electric field decreases exponentially with the increase in distance. Therefore, the equation for electric field varies as distance cubed in the denominator.

The electric field is an electric force that affects the space around electric charges. The cause of the electric field is the presence of positive and negative electric charges. The electric field can be described as lines of force or field lines.

The inverse square law states that the electric field at any point decreases as the square of the distance from the source. This means that the electric field decreases faster as the distance between two charges increases. Therefore, the equation for the electric field varies as distance cubed in the denominator to reflect this exponential decrease.

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Answer:

The Northern flowing stream will affect the coast of Europe by  making  climate of Western Europe and Northern Europe to be warmer than other areas that are located around the same latitude and this is simply because of the North Atlantic Current

Explanation:

The Northern flowing stream will affect the coast of Europe because the North Atlantic current causes the Gulf stream to be split into two ( 2 ) and the Northern stream which is a warm stream crossing over to Northern Europe. The Gulf stream makes climate of Western Europe and Northern Europe to be warmer than other areas that are located around the same latitude and this is simply because of the North Atlantic Current

Stars began to develop as the Big Bang's cloud the cosmic gas and dust began to cool, and these stars eventually coalesced to create galaxies. In such stars and in enormous stellar bursts known as supernovae.

In the instants following the Big Bang, the majority of the helium and hydrogen inside the universe were produced. Afterwards came the heavier components. A large variety of elements are created and dispersed by supernova explosions.

There was hydrogen, a little amount of helium, and a trace amount of lithium in the beginning, and at least immediately after the Big Bang and over 14 billion years ago. a total of three components. With hundreds of variations, currently there are only about 100 recognised naturally occurring elements.

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The option that has the two vertical probes in the proper positions to find the correct value for AT is the first graph.

The Probe cards which are known to be very suited for multi-die testing of general logic products, such as the SoC and microcomputer products, are said to be referred to as vertical-probe.

This is due to the fact that the probe needles are said to be in a vertical positioning to the substrate, the probe card is one that is known as a "vertical-type" probe card.

The option that has the two vertical probes in the proper positions to find the correct value for AT is the first graph.

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See full question below

Which of the following has the two vertical probes in the proper positions to find the correct value for AT?

Answer:

Answer:

Point of Reference

Explanation:

Answer:

Answer is C

Explanation:

Answer:

i think its d buu idrk . i got help from my uncle . :)