If 21,847 • 10^18 electrons pass through a wire in 12 s, find the current

The electric field strength  = 1104.31 N/C

When charged particles, including electrons, are accelerated, an electromagnetic field, also known as an EM field, is created. Electric fields surround all electrically charged particles. Particles in motion generate magnetic fields.

Electromagnetic fields can be found throughout our environment yet are undetectable to the  eye. Electric fields are created by the local accumulation of electric charges inside the atmosphere caused by thunderstorms.

diameter of rings, d = 10 cm

Distance between the rings, r = 18 cm

Charge of the rings, q = 40 nc

The electromagnetic field strength at the rings' midway is computed as follows:

E[tex]_n_e_t[/tex] = E₁ - E₂

E[tex]_n_e_t[/tex] = E₁(₊ve) - E₂(-ve)

The strength of the electric field at the center of a left ring is computed as follows;

[tex]E=\frac{k q L}{\left(R^2+L^2\right)^{3 / 2}}\\[/tex]

E = [tex]E=\frac{9 \times 10^9 \times 20 \times 10^{-9} \times 0.18}{\left(0.05^2+0.18^2\right)^{3 / 2}}[/tex]

E = 1104.31 N/C

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a) mass of object with acceleration 32.5 ft/sec2 is 116 kg

b) mass of object with acceleration 7.86 m/sec2 is 146 kg

Given:

Force = 1.15 x 10^3 N

Acceleration = a) 32.5 ft/sec2 b) 7.86 m/sec2

Solution: The definition of force in physics is: The push or pull on a massed object changes its velocity. An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude.

Force = mass x acceleration

mass(a) = Force/Acceleration

= 1.15 x 10^3 N/32.5 ft/sec2 x 3.2808 ft/m = 116 kg

mass(b) = 1.15 x 10^3 N/7.86 m/sec2 = 146 kg

Hence, mass of object with acceleration 32.5 ft/sec2 is 116 kg

Hence, mass of object with acceleration 7.86 m/sec2 is 146 kg

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When a patient go on a diet, he or she will lose both the mass and weight.

Mass is the quantity of an object while weight is the gravitational pull on an object. Mass is constant while weight is not. The unit of mass is Kg while weight is Newton.

Suppose a doctor advises a patient to go on a diet. Will the patient lose mass in the process or will he/she lose weight?

When a patient is on diet, he or she will deprive himself of certain nutrition that can nourish the body. Some of the masses of the body will be converted to energy thereby causing less fat in the body, decrease in body fluid and muscle mass.

Since Weight W = mg, decrease in body mass will eventually lead to weight loss.

Therefore, when a patient go on a diet, he or she will lose both the mass and weight.

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Cells can be observed under a brightfield microscope as translucent objects against a vivid background.

Objects that are translucent allow some light to pass through them. Translucent materials include certain polymers and frosted glass. Only a portion of the light that strikes transparent materials goes through. It takes the materials some time for the light to flow through them. Waxed paper, thin plastic sheets, butter paper, and vegetable oil are a few examples of translucent materials. This mnemonic should help you remember when to use transparent because transparent objects are clear and light may readily pass through them. The thing would be translucent if light still enters it, but it is less noticeable. An opaque object is one through which no light can flow.

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The following statements which best describes what the phrase "rate of change" is the difference in some quantity over some period of time and is denoted as option B.

This is referred to as the ratio between quantities such as velocity, acceleration etc. This is because velocity is referred to as the rate of change of displacement with time and the S.I unit is referred to as metre per second.

This is therefore the reason why difference in some quantity over some period of time was chosen as the most appropriate choice in this type of scenario.

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Answer:43

Explanation: 30,30,40,40,40,50,50,50,50,50

Magnitude charge creates electric field at a point 3.40m away is 4.11×1⁻⁹C

Electric field - It is defined as electric force per unit charge.

The direction of field is taken to be the direction of the force.

The electric field is outward from a positive charge and in towards negative point charge.

To calculate magnitude charge. Let us take electric field

E = Kq/r²

where

K = electric field constant

q = magnitude of charge

r = distance of separation

E = Kq/r²

Er² = Kq

q = Er²/K     -------1.

given values are

E =3.20 n/c

r = 3.40 m

q = 9.0 × 10⁹

using these values in equation 1 we get

q =  3.20N/C * (3.40 m)^2/9.0 × 10⁹

q = 4.11×1⁻⁹C

Magnitude charge that creates electric field at a point 3.40m away is 4.11×1⁻⁹C.

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The most highly redshifted electromagnetic radiation that astronomers have detected to date is from the radiation left over from the Big Bang.

Radiation travels in waves and possesses both an electric and magnetic field. Both natural and artificial sources contribute to it. The energy levels of electromagnetic radiation can range from low to high. It consists of x-rays, gamma rays, infrared light, visible light, ultraviolet light, radio waves, and microwaves. Also known as EMR, electromagnetic radiation (EMR) is a category of energy carried by waves of the electromagnetic (EM) field that travel across space. These waves include radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays. The electromagnetic spectrum includes all of these waves. Electromagnetic radiation is often made up of electromagnetic waves, which are coordinated oscillations of electric and magnetic fields. Due to the periodic alteration of the electric or magnetic field, electromagnetic radiation or waves are produced.

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The flow rate of incoming solar energy, as measured at the top of the atmosphere is called: insolation

The insolation is known as the amount of radiation from the sun's energy that the planet receives. A portion of the energy is absorbed or reflected by the atmosphere and another portion reaches the surface.

The insolation is caused major by:

The solar energy is a type of energy whose source is the sun that radiates heat.

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In the canopies of tropical forests, plants are able to survive despite the high temperatures and high levels of solar radiation due to the process of Transpiration.

Most of the water absorbed by roots of water is not used for growth of plant but to maintain a moisturized environment. For this purpose water is evaporated as vapour from stoma on the underside of leaves.

This process is called transpiration. Transpiration is the evaporation of water from plants. This cools down plants under hot conditions. This process also pulls water from stems and roots to leaves to hydrate mesophyll cells.

Therefore, In the canopies of tropical forests, plants are able to survive despite the high temperatures and high levels of solar radiation due to the process of Transpiration.

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The horizontal force Superman must apply to throw the boulder is 3670N.

According to Newton's Second law of motion,

Force F = Mass m * Acceleration a

We know that Weight W = Mass m * Gravity g

Given,

Weight W = 2400 N

Acceleration a = 15 m/[tex]s^{2}[/tex]

Gravitational force g = 9.81 m/[tex]s^{2}[/tex]

W = m * g

Mass m = 2400 / 9.81 = 244.65 kg

Horizontal force F = 244.65 * 15 = 3669.7 N

Newton's Second law of motion states that acceleration of an object depends on force acting on the object and mass of the object.

Therefore the horizontal force Superman must apply to throw the boulder is 3670N.

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5.3 km

This question involves continuous displacement in various directions. When it becomes difficult to imagine, vector analysis becomes handy.

Let us denote each of the individual displacements by a vector. Consider the unit vectors as the unit vectors in the direction of East and North respectively.

By simple calculations, we can derive the unit vectors j,[tex]\frac{-i-j}{2}[/tex] and in the directions North,  South of West, and  North of West respectively.

So Total displacement vector = The Sum of individual displacement vectors.

Displacement vector = -4.25i + 3.165j

The magnitude of Displacement =| -4.25i + 3.165j |  = 5.3km

∴ Total displacement = 5.3km

A displacement is a vector in geometry and mechanics that have a length equal to the shortest distance between a point P's initial and final positions.  It measures the length and angle of the net motion, or total motion, in a straight line from the starting point to the destination of the point trajectory. The translation that links the starting point and the ending point can be used to spot a displacement.

The final location xf of a point relative to its beginning position xi, or a relative position (derived from the motion), is another way to express a displacement. The difference between the final and initial coordinates can be used to define the equivalent displacement vector.

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Answer:

Physical science

Explanation:

If you are using standard tons, then each ton is  907.18474 kg.

Multiply that and your answer is 5,443,108.44 kg.

If you are using metric tons, then multiply by 1,000.

6,000 * 1,000 = 6,000,000 kg

On a circle of radius r, a central angle of radians subtends an arc of length(s) is r; the area of the sector formed by this angle is a 12r2Θ. The central angle of radians subtends an arc of length(s) that is multiple of radius (r) and central angle().

The concept of area is always associated with two dimensions. Any two-dimensional object can combine to form a plane. As a result, every two-dimensional figure has an area. Every point in a plane that is a particular distance away from some other point forms a circle. The circle's radius and fixed distance are both referred to as the circle's center and radius, respectively.

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The power generated by 1.4 m high waves is 1.69 kW.

We need to know about power to solve this problem. The power generated by waves can be determined as

P = 1/2 . μ . ω² . A² . v

where P is power, μ is the constant of wave media, ω is angular speed, A is amplitude and v is wave speed.

Power is proportional to amplitude squared. Hence

P ~ A²

From the question above, we know that

P1 = 8.5 kW

A1 = 1.4 m

A2 = 0.625 m

By using the ratio of power, we can write

P1 / P2 = A1² / A2²

8.5 / P2 = 1.4² / 0.625²

P = 1.69 kW

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The particle is positively charged

The potential difference between the 2 point through which the charged particle moves governs the movement of that particle. An electron moves from lower to higher potential which is negatively charged, and a positively charged particle moves  from higher to lower potential.

Now, since the particle is moving from a point A having 210 v potential to point B having 120 v potential that is it is moving from higher potential to a lower potential therefore the particle will be a positively charged one.

When a single charge is transported in an electric field, work is done by the potential difference (also known as electrical potential). There is potential energy stored in this charge that could flow when work is done on it. Voltage is the shortened form of potential difference and it is measured in volts (V). Voltage is the possibility of a single charge flowing. The need to flow increases with voltage.

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Wavelength of radiation must be used to eject electrons with a velocity of 2300 km/s is 63.9nm.

Einstein's equation for the photoelectric effect

hv = A + W

Where,

Energy of photon : E = hvx = hxc/λ

The work function for chromium is A

Planck's constant h= 6.626X 10⁻³⁴ Js

speed of light c = 2.998X10⁸ m/s

Velocity of 2300 km/s = 2300 X 10⁶ m/s

The kinetic energy of emitted electron

W = mv²/2 = (9.10939 X 10⁻³¹ kg X (2300X10⁶ m/s)²)/2 = 2.409X10⁻¹⁸

Hence,

    λ = ch/A+W

λ = (6.626X10⁻³⁴JsX2.998X10⁸m/s)/(7X10⁻¹⁹J + 2.409X10⁻¹⁸J)

  = 19.865X10²⁶Jm/3.109X10⁻¹⁸J = 6.39X10⁻⁸= 63.9 nm

Wavelength of radiation must be used to eject electrons with a velocity of 2300 km/s is 63.9nm

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I understand that the question you are looking for is "The work function for chromium metal is 7.0 x 10-19 J (4.37 eV). What wavelength of radiation must be used to eject electrons with a velocity of 2300 km/s?"

An good example would be using a Bunsen burner to heat water in a tin container. The flame initially heats the tin can by radiating heat. Conduction then transfers heat from the tin can to the water. The convection process causes the hot water to then climb to the top.

A laboratory piece of equipment known as a Bunsen burner, which bears Robert Bunsen's name, produces a single open gas flame and is used for heating, sterilization, and combustion. Natural gas, liquefied petroleum gas, such as propane, butane, or a combination, are all acceptable choices for the gas.

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The furthest distance the quarterback could throw the ball neglecting air resistance is 81.63 meters.

The situation given above is an example of projectile motion.

The maximum distance up to which a projectile can be thrown is known as its range, which is given by the formula,

Range(R) = 2u^2 sin(2θ)/g

Here u is the maximum velocity of the projectile= 20 m/s

θ is the angle at which the projectile is launched = 45°

g is the acceleration due to gravity = 9.8 m/s^2

Putting the above values in the given equation,

The range comes out to be 81.63 meters.

Hence, the furthest distance the quarterback could throw the ball neglecting air resistance is 81.63 meters.

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The functions such as non-vertical, continuously differentiable, non-vertical tangent satisfy the conditions.

In mathematics, a differentiable function of one real variable is a function that has a derivative at each point in its domain. In other words, the graph of a differentiable function has a non-vertical tangent line at each interior point in its domain.

A smooth, differentiable function lacks any breaks, angles, or cusps (it is locally well approximated as a linear function at each interior point).

If the derivative f'(x 0) exists, a function f is said to be differentiable at x0 if x0 is an inner point in the domain of the function.

In other words, the point (x0, f(x0)) on the graph of f has a non-vertical tangent line. If f is differentiable at every point along U, then U is said to be differentiable.

If the derivative off is also a continuous function over the domain of the function ff, then f is said to be continuously differentiable.

In general, if f’s initial k derivatives are f prime (x), f prime (x), and lots, f(k)(x), then f is said to be of class Ck. f prime (x), f prime (x), lots, and f (k) prime (x) exist and are continuous across the function’s domain.

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The correct answer of terrestial weather:

The solar insolation in the visible and infrared regions of the solar electromagnetic spectrum is much more than the energy that space weather occurrences release into the troposphere and stratosphere. Despite claims to the contrary, there may be some connection between the Earth's climate and the 11-year sunspot cycle. There is no proof of this. For instance, it has frequently been suggested that the Maunder minimum, a 70-year period almost devoid of sunspots, is correlated to a cooler climate, but these correlations have vanished after further research. Changes in cosmic ray flux are hypothesized to affect how much cloud formation occurs.

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The charge on each capacitor is Q.

Capacitor is device which stored electrical energy i.e. the ratio of charge (Q) given to the potential difference (V) applied across the conductors.

C = Q/V.

Therefore the capacitance of each capacitor is C₁ , C₂, C₃ and their equivalent be Ceq. These capacitance are connected in series, thus the charge on each capacitance is Q.

When connected across a source such as battery, the potential difference of battery is V and divided across each component as V₁, V₂, V₃. Then the total potential difference V is written as ,

V = V₁+V₂+V₃

V=Q/C

Then for equivalent capacitance Ceq in series combination is written as,

Q/Ceq= Q/C₁+ Q/C₂ +Q/C₃

According to the principle of conservation of charge . so that charge Q is same for each capacitance

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The component form is [tex]5/2 [\sqrt{2} /2,0,\sqrt{2}/2], 5/2 [-\sqrt{2} /2,0,\sqrt{2}/2][/tex].

If vv lies in the xz-plane then yy coordinate is 0.

We can have two scenarios: when vv lies in front of yz-plane and when vv lies behind yz-plane.

If vv lies in front of yz plane, then v=5×[tex][\sqrt{2} /2,0,\sqrt{2}/2][/tex]

If vv lies behind yz-plane then v=[tex][-\sqrt{2} /2,0,\sqrt{2}/2][/tex]

A linear combination of vectors with potentially unknowable coefficients makes up a vector equation. It is the same as asking if a given vector is a linear combination of some other provided vectors to determine whether or not a vector equation has a solution.

The vector equation's components, x = x0 + at, y = y0 + bt, and z = z0 + ct, are the line's parametric equations. The direction numbers of the line are the three elements a, b, and c.

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According to the given statement the speed of sirius is =2.3275862×10¹²km/s.

A waveform signal's wavelength, which is the distance between two identical locations (adjacent crests) in the succeeding cycles, determines whether it is sent through space or via a wire. Typically, in wireless systems, this length is specified in meters (m), centimeters (cm), or millimetres (mm).

Hydrogen has a spectral line at = 116nm=116×10⁻⁹m

Line is observed at = 107 nm=107×10⁻⁹m

Now, from the Hubble's law

V=[tex](\Delta \lambda / \lambda)[/tex]×C

Where,

v is the velocity

Δλ = Change in wavelength = 116 - 107= 9nm=9×10⁻⁹m

λ = Actual wavelength=116nm=116×10⁻⁹m

C is the speed of the light=3×10⁸m/s

on substituting the respective values, we get

V=(9/116)×3×10⁸=23275862.069×10⁵m/s

V=2.3275862×10¹²km/s.

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The work done in the isothermal process is 10 joule.

We need to know about the isotherm process to solve this problem. The isotherm process can be described as a process where the initial temperature system will be the same as the final temperature. Hence, the internal energy change will be zero.

ΔU = 0

Hence,

ΔU = Q - W

0 = Q - W

Q = W

It means that the heat transferred is the same as the work done.

From the question above, we know that the heat transferred is 10 joule. Thus, the work done in the isothermal process is 10 joule.

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The term “electric field” refers to the physical field that surrounds electrically charged particles and acts to either attract or repel all other charged particles in the field (also known as an E-field).

It can also refer to the physical field surrounding a system of charged particles. Electric fields are composed of electric charges and time-varying electric currents.

Both electric and magnetic fields are manifestations of the electromagnetic field, one of the four fundamental interactions (sometimes known as forces) of nature.

Electrical technology makes use of electric fields, which are significant in many branches of physics.

For instance, in atomic physics and chemistry, the electric field acts as an attractive force to hold atoms’ atomic nuclei and electrons together. It is also the force that causes atoms to chemically link together to form molecules.

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Let g be a group An element of G is called Idempotent if g² = g.

(1)Show that every group has atleast one idempotent element.

Proof: Let G be a group and we know that every group has identity element let e G be a identity element

since e²=e

this shows that e is the idempotent element in G

Hence every group has atleast one idempotent element which is the identity element.

(2) Shows that group has at exactly one idempotent element.

Proof: Let G be a group Now by Part 1 we see that every group has e is the idempotent element.

Now let g∈G be idempotent element other than identity element.

since g is Idempotent.

g²=g

g.g=g

g.g=g.e   i.e. (g.e=g)

By left cancellation law we get

g = e

Thus e is the only Idempotent element is G.

hence Every group has at exactly Idempotent Element.

Any of more than 100 chemicals that cannot be divided into various substances using common chemical methods Elements include gold and carbon. There is a risk component to surfing  one of the constituent pieces of something.  The fundamentals of arithmetic, which are a subject of study.

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The equation can be used to obtain the weight as 40N.

In this problem, we are asked to obtain the equations and thus the problems as shown. We shall now proceed to use the equations are required.

1) W = mg

W = weight

m = mass

g = acceleration due to gravity

W = 4 Kg * 10 m/s^2 = 40 N

2) v = u + at

v = final speed

u = initial speed

a = acceleration

t = time

3 = 0 + 2a

3 == 2a

a = 1.5 m/s^2

3) v = d/t

v = speed

d = distance

t = time

v = 15 m/30 s = 0.5 m/s

4) W = fd

W = work

f = force

d = distance

W = 25 N * 8 m = 200 J

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