What confirms that the process of seafloor spreading is occurring?

During the p-p chain of nuclear reactions inside the sun, a positron is created which combines with an electron to create energy in the form of gamma radiation. This process is known as annihilation or pair annihilation.

When the positron and electron combine, their masses are converted into energy in accordance with Einstein's famous equation E=mc². The energy created by this process is in the form of gamma radiation that is released into space.

In the first step of the p-p chain of nuclear reactions, two protons (hydrogen nuclei) combine to form a deuterium nucleus, which consists of one proton and one neutron. During this reaction, a positron is created, which is a particle with the same mass as an electron but with a positive charge instead of a negative charge.The positron quickly collides with an electron and the two particles annihilate each other, releasing energy in the form of gamma radiation.

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The capacitive reactance in the circuit is approximately 31.8 ohms.  In this case, the capacitive reactance provides information about the opposition to current flow imposed by the capacitor at the given frequency and capacitance values.

In an AC circuit, the capacitive reactance (Xc) is a measure of the opposition to the flow of current due to the presence of a capacitor. It depends on the frequency of the AC source and the capacitance value.

The formula to calculate capacitive reactance is Xc = 1 / (2πfC), where f is the frequency and C is the capacitance.

In this case, the frequency (f) is given as 50.0 Hz, and the capacitance (C) is given as 5.00 µF. However, it is necessary to convert the capacitance to farads (F) before proceeding with the calculation. 1 µF is equal to 1 × 10^(-6) F.

So, C = 5.00 × 10^(-6) F.

Now, substituting the values into the formula, we have:

Xc = 1 / (2π × 50.0 × 5.00 × 10^(-6))

≈ 1 / (3.14 × 50.0 × 5.00 × 10^(-6))

≈ 1 / (0.00157)

≈ 636.9 ohms.

However, it's important to note that the maximum current in the circuit is given as 100 mA, which is equal to 0.1 A. Therefore, the maximum current (Imax) does not directly affect the calculation of capacitive reactance.

The capacitive reactance in the given AC circuit is approximately 31.8 ohms. Capacitive reactance is a measure of the opposition to current flow due to the presence of a capacitor in an AC circuit. By considering the frequency of the AC source and the capacitance value, we can calculate the capacitive reactance using the formula Xc = 1 / (2πfC). Understanding the reactance of circuit components is essential in analyzing their behavior and the overall impedance of the circuit. In this case, the capacitive reactance provides information about the opposition to current flow imposed by the capacitor at the given frequency and capacitance values.

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Answer:

Frequency

-The Frequency of a wave is the number of waves produced by a source each second

Answer:

frequency is the answer to this question and if I am wrong sorry for that

Answer:

There are several reasons why a hunter might choose to use a shotgun with slugs instead of a rifle.

Cost. Shotguns are typically less expensive than rifles.

Accuracy. Slugs are more accurate than buckshot at longer ranges.

Versatility. Shotguns can be used for a variety of hunting applications, including waterfowl, upland game, and big game.

Recoil. Shotguns have less recoil than rifles, making them easier to shoot for extended periods of time.

Penetration. Slugs can penetrate thicker materials than buckshot, making them a better choice for hunting large game.

Of course, there are also some disadvantages to using a shotgun with slugs.

Range. Slugs are not as effective at long ranges as rifle bullets.

Shotgun spread. Shotguns with slugs do not have a spread like shotguns with buckshot. This can make it more difficult to hit a target at close range.

Shotgun choke. The choke on a shotgun can affect the accuracy of slugs. A rifled choke is the best choice for shooting slugs.

Ultimately, the decision of whether to use a shotgun with slugs or a rifle depends on the individual hunter's needs and preferences.

Explanation:

The stress function of the form Φ = C(x²- y²) provides the solution for torsion of the bar.

To determine the expression of C and derive the given equation, we consider the torsion of a straight bar with a uniform elliptical cross-section. The stress function Φ is assumed to have the form Φ = C(x²- y²), where C is a constant.

By substituting the stress function into the torsion equation and solving for the shear stress τxy, we find that τxy = 2GC(xsin(θ) - ycos(θ)), where G is the shear modulus and θ is the angular coordinate.

To find the expression of C, we compare this equation with the given equation and equate the terms. This leads us to C = Ty/(2G), where Ty is the applied torque.

By further substituting the expressions for x and y in terms of the semimajor and semiminor axes, we can rewrite the equation as τxy = Ty(a²+ b²- 2Jx/R²), where J is the torsional constant and R is the radius of the cross-section.

The warping displacement θ(Φ - Φ0) can be obtained by integrating the torsion equation, which involves the shear stress τxy and the differential area of the cross-section. This displacement can be expressed as θ(Φ - Φ0) = -G∫(τxy dA).

In summary, the stress function Φ = C(x²- y²) provides the solution for torsion of the bar, where C = Ty/(2G) and the derived equation is τxy = Ty(a²+ b² - 2Jx/R²). The warping displacement can be calculated through the integration of the torsion equation.

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Alpha centauri is a famous star because it is one of the closest stars to earth. Look for the brightest star in the constellation Centaurus for alpha centauri.

The third-brightest star in our night sky, Alpha Centauri is a well-known southern star and the closest star system to the sun. The single star that we perceive as Alpha Centauri resolves into a double star when viewed through a tiny telescope. Only 4.37 light-years separate this from Earth.

Proxima Centauri, which is too faint to be seen with the eye, orbits them. The nearest star to our solar system, Proxima, is 4.25 light years away. The third-brightest star in our night sky, Alpha Centauri is a well-known southern star and the closest star system to the sun.

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Answer: Alpha Centauri lies in the southern constellation Centaurus and can be seen only from south of about 40 degree north latitude.

Explanation: The closest star to Earth is a triple - star system called Alpha Centauri. The two main stars are Alpha Centauri A and Alpha Centauri B, which form a binary pair. They are about 4.35 light - years from Earth according to NASA. Alpha Centauri A and B are separated by only 23 times Earth and Sun distance. This is slightly greater than the distance between Uranus and the Sun. The Alpha Centauri system is not visible from much of the northern hemisphere.

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Answer:

see explanation

Explanation:

sound travels faster in liquid than in gases because the molecules are packed closer together!

hope this helped! xoxo raina

Explanation:

When you pull the sock off of the blanket, the socks gain electrons out of blanket. This makes socks slightly negatively charged. The potential energy of the socks rise whereas potential energy of the blanket reduces. This happens because of exchange of electrons between socks and blanket.

Answer:

False , The fatty layer do not contains many nerves and blood vessels. The fatty layer is related to skin layers.

Explanation:

The fatty layer is the most under a layer of skin. It made up of a system of collagen and fat cells. It helps maintain the body's temperature and shields the body from harm by serving as a shock absorber.

The dermis is the central layer of the skin. The dermis is maintained collectively by a protein termed collagen. This layer gives skin elasticity and power. The dermis also holds shock and feel receptors.

The frequency of light when it reaches Earth is approximately 4.988 x 10^14 Hz.

Explanation:-

Given:

Emitted frequency of light, f = 5.000 x 10^14 Hz,

Speed of the galaxy receding from Earth, v_src = 4500 km/s.

We need to convert the speed of the galaxy from km/s to m/s:

v_src = 4500 km/s * (1000 m/km)

v_src = 4.5 x 10^6 m/s

Plugging the given values into the Doppler effect formula:

f' = (5.000 x 10^14 Hz) * (3.00 x 10^8 m/s + 0 m/s) / (3.00 x 10^8 m/s + 4.5 x 10^6 m/s)

Simplifying the expression:

f' = (5.000 x 10^14 Hz) * (3.00 x 10^8 m/s) / (3.00 x 10^8 m/s + 4.5 x 10^6 m/s)

f' ≈ 4.988 x 10^14 Hz

Therefore, the frequency of light when it reaches Earth is approximately 4.988 x 10^14 Hz.

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Answer:

wind energy

Explanation:

Wind energy can be defined as a form of a solar energy. It is generated by the immense force of the wind that blows in an area. Wind energy is a useful energy and is mostly used to generate electricity. It is clean source of energy.

In the context, trash can lid is being blown away by the wind energy and it is seen moving across the yard. The energy of the wind forces the lid of the trash can to move from one place to another against friction. Thus, wind energy caused the trash can lid to move across the yard as seen by a student.

Answer:

11.75 ohms

Explanation:

since its series connection

R equivalent = R1 + R2 = 7.25 + 4.5

Explanation:

Given:

Speed of sound = 1400 m/s

Total time taken = 0.4 seconds

To find:

The depth of water

Solution:

As it take 0.4 seconds for the burst to reach the seabed and return (both ways), we can deduce that it takes 0.2 seconds to reach the seabed (one way).

This is because the speed of sound is a constant.

Now, to find the depth, we use the equation

Speed = Distance/Time

Here, we know the values of speed (1400 m/s) and time (0.2 seconds). Distance is the depth of the water, which we need to find. Let the distance be x.

Therefore

1400 = x/0.2

x = 1400 * 0.2

x = 280 m

We get the depth as 280 metres.

Feel free to ask me if you didn't understand any part.

Hope this helps! :D

Work required to stretch the rubber band by 0.10 meters will be negative, indicating that work needs to be done against the force applied to stretch the rubber band.

To determine how much the rubber band will stretch under a 20 N force and the work required to stretch it, we need to apply Hooke's Law. Hooke's Law states that the force applied to a spring or elastic material is directly proportional to the displacement it undergoes.

We can set up a proportion to find the stretch under Force 2:

(F1 / S1) = (F2 / S2)

Substituting the given values:

(24 N / 0.12 m) = (20 N / S2)

To find S2, we can rearrange the equation:

S2 = (20 N * 0.12 m) / 24 N

Simplifying:

S2 = 0.10 m

Therefore, a 20 N force will stretch the rubber band by 0.10 meters.

Now, let's calculate the work required to stretch the rubber band this far. The work (W) can be calculated using the formula:

W = (1/2) * k * (S2^2 - S1^2)

Where k is the spring constant.

However, we don't have the spring constant (k) given in the problem. So, we cannot determine the exact work without that information.

But, if we assume that the rubber band behaves as a linear spring and Hooke's Law applies, we can simplify the equation. Hooke's Law states that the force applied to a spring is equal to the spring constant (k) multiplied by the displacement (S).

F = k * S

Rearranging the equation:

S = F / k

Since the stretch (S) is directly proportional to the force (F), we can approximate the work required by assuming a constant k value:

W ≈ (1/2) * k * (S2^2 - S1^2)

W ≈ (1/2) * k * [(0.10 m)^2 - (0.12 m)^2]

Simplifying:

W ≈ (1/2) * k * (0.01 m^2 - 0.0144 m^2)

W ≈ (1/2) * k * (-0.0044 m^2)

Without the exact value of the spring constant, we cannot calculate the work precisely. However, we can still conclude that the work required to stretch the rubber band by 0.10 meters will be negative, indicating that work needs to be done against the force applied to stretch the rubber band.

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Capacitors store energy in a magnetic field, concentrated in the dielectric, the given statement is false because capacitors store energy in an electric field, not a magnetic field, which is concentrated in the dielectric.

A capacitor consists of two metal plates, with a gap between them, and a dielectric material between them. When a potential difference is applied across the plates, an electric field is created in the dielectric, causing charges to accumulate on the plates. The amount of charge that can be stored on the plates is proportional to the voltage and the capacitance of the capacitor.

The capacitance is determined by the size and spacing of the plates, as well as the properties of the dielectric. Capacitors are used in a variety of applications, including power supplies, filters, and timing circuits. They can also be used for energy storage in electronic devices, such as cameras and flashlights. In summary, the given statement is false because capacitors store energy in an electric field, which is concentrated in the dielectric.

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Explanation:

A.) Since Light doesn't bend until travelling through a different transparent medium, hence it won't pass when any opaque object is placed in front of it. Rubber tube being curved and opaque,won't let light pass through it.

B.) Since light always travels in a straight line, when tube is kept straight,there is a way for it to pass and the student can see it.

Answer:

1. Chlorine = 7 valence electrons.

2. Sulphur = 6 valence electrons.

3. Magnesium = 2 valence electrons.

Explanation:

In Chemistry, valence electrons can be defined as the number of electrons present in the outermost shell of an atom. Valence electrons are used to determine whether an atom or group of elements found in a periodic table can bond with others. Thus, this property is typically used to determine the chemical properties of elements.

1. Chlorine = it is an element found in group (7) of the periodic table known as halogens and as such it has 7 electrons in its outermost shell. Therefore, Chlorine has seven (7) valence electrons.

Sulphur = this element is found in group (6) of the periodic table and as such it has 6 electrons in its outermost shell. Therefore, Sulphur has six (6) valence electrons.

Magnesium = this element is found in group (2) of the periodic table and as such it has 2 electrons in its outermost shell. Therefore, Magnesium has two (2) valence electrons.

Answer:

b

Explanation:

The Coriolis effect is a condition which causes a hurricane to rotate in a particular direction. Thus, the correct option is B.

Hurricanes are the enormous storms which come with a rotating wind speed of about 74 miles per hour. The rotating wind that swirls across the warm water of the tropics and also comes with a terrifying force.

The Coriolis force is an inertial or the fictitious force, which acts on the objects which are in motion within a frame of reference that rotates them with respect to an inertial frame. In a reference frame, with the clockwise rotation, the force acts to the left of the motion of the object. Whereas, in one with anticlockwise or counterclockwise rotation, the force acts to the right of the object. The deflection of an object due to this Coriolis force is called as the Coriolis effect.

Therefore, the correct option is B.

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Reaction distance plus braking equals stopping distance. The published road brake performance tests for almost all contemporary production vehicles show stopping distances from 60 mph that are typically 120 to 140 feet, well under half of the anticipated safety distances.

How does stopping distance at 60 mph get calculated?

The anticipated stopping distance for a car at 60 mph is 73 meters (240 feet), or 18 car lengths overall. This measurement combines the braking distance of 55 meters and the thinking distance of 18 meters.

Your overall stopping distance is at least 268 feet at 50 mph. The total   of the 268 feet is composed of: 55 Feet for Perception. 55 feet for a response.

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Answer:

D. Upward force on the shuttle

Explanation:

The hot gas from space shuttles released downward causes an upward force on the shuttle and propels it up the more.

23 km when x1+ x2 = 0.87/10. is the main answer.

The size of a vector in the x-direction is expressed by its x-component, also known as its horizontal component. The size of a vector in the y-direction is represented by its y-component, also known as its vertical component. A projectile's trajectory is determined by velocity in two dimensions. The projectile's x and y components each represent its horizontal and vertical motion, respectively. Meters are the units used to indicate both horizontal and vertical distances (m).

A+B=A= (x1+x 2) i+20 jx1+x2/20

=tan60 = 0.5/0.87.

A=x1 i+10 j.

B=x2 i+10 j.

A+ B = (.87/10) 2 + 20 /2

= 23 km when x1+ x2 = 0.87/10.

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The materials that will respond to magnetic damping at a recycling centre to detect and separate certain materials are ferromagnetic conductors. So the answer is i.

Ferromagnetic conductors are materials that are strongly attracted to a magnet and can become magnetized themselves. These include iron, nickel, and cobalt. In terms of magnetic damping, these materials would respond very strongly to this method as they have a high magnetic susceptibility. This means that the magnetic damping system would be able to easily detect and separate these materials from other materials in the recycling centre. Nonferromagnetic conductors, on the other hand, are materials that conduct electricity but are not attracted to magnets. These include copper, aluminium, and gold. While they do not have a high magnetic susceptibility like ferromagnetic conductors, they can still be separated using magnetic damping. This is because the damping system can induce a small amount of magnetism in these materials, allowing them to be detected and separated from other materials.

Finally, insulators are materials that do not conduct electricity or heat. These include materials such as rubber, plastic, and glass. Insulators are not responsive to magnetic damping as they do not have any magnetic properties that can be induced by the damping system. As a result, they would not be separated using this method in a recycling centre.

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We have that for the Question, it can be said that the maximum velocity is

From the question we are told

A 2.00kg block is attached to a horizontal ideal spring with a spring constant k=100Nm.

The block-spring system is set on a horizontal surface with negligible friction.

Generally the equation for the Potential energy  is mathematically given as

\(P.E=\frac{1}{2}Rx_m^2\\\\2=\frax{1}{2}*100x_m^2\\\\x_m^2 = 0.04m\\\\x_m = 0.2m\)

The PE is converted to KE, Therefore

\(KE = 2\\\\\frac{1}{2}MV_m^2 = 2\\\\V_m^2 = \frac{4}{M}\\\\V_m^2 = \frac{4}{2}\\\\V_m = \sqrt{2}\\\\V_m = 1.414m/s\)

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Complete Question

A 2.00 kg block is attached to a horizontal ideal spring with a spring constant k = 100 N The block-spring system is set on a horizontal surface with negligible friction. A graph of the potential energy U as a function of time t for this system is shown. The maximum displacement IMAX of the block from its equilibrium position and the maximum speed Umat of the block during the motion represented by the graph are most nearly A IMAX = 2.0 m and UMAX 1.4" B UMAX = 1.4 and UMAX=0.20" с MAX 0.20 m and UMAX = 1.4" D IMAX 0.40 m and UMAX 1.4 E IMAX 0.04 m and UMAX 2.0"

Answer: C is right

Explanation:

N and O are no-metals and forms covalent bonds.

Usually they need a. Prefix whic tells number of atoms in compound

Answer:

These acts of attraction and repulsion are called “magnetism”, and the magnetic space around a magnet is called the “magnetic field”

Explanation:

We will have the following:

First, we remember that:

So:

So, the change in length of the rod is approximately 4.41 mm.