a parallel plate capacitor (two oppositely charged conducting plates arranged parallel to each other) has its positive plate with charge q on the left and its negative plate (charge -q) on the right. assume the gap between the plate is small compared to the length of the plates. you measure the electric field in the gap as you move from the positive to negative plate. what is true? assume you are far from the edges of the plates.

The forces between polar molecules is known as dipole-dipole forces.

Dipole-dipole forces are a form of intermolecular force that occurs between molecules that have permanent dipoles as a result of the unequal sharing of electrons. They are usually found in polar molecules that are covalently bonded.

A permanent dipole is a separation of electric charge that exists across two adjacent atoms or atoms. These dipoles exist when atoms in a covalent bond share electrons in an unequal manner, resulting in a partially positive end and a partially negative end. This partial charge imbalance causes the neighboring molecules to experience a force that causes them to line up in a specific orientation. This kind of attraction is known as dipole-dipole forces.

A polar molecule is a molecule with a net dipole moment greater than zero due to the asymmetrical arrangement of polar bonds, or due to the presence of lone pair electrons on the central atom. Polar molecules are molecules that have partial charges or regions with varying charge densities. The electrons in polar molecules are not evenly distributed throughout the molecule, resulting in a region of partial negative charge and a region of partial positive charge.

Intermolecular forces are the forces that hold two molecules together. The forces that occur between molecules are referred to as intermolecular forces. They are usually much weaker than chemical bonds, which hold atoms within a molecule together.

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Answer:

\(50\:\mathrm{m\: North}\\50\sqrt{3}\:\mathrm{m\: East}\)

Explanation:

We can create a 30-60-90 triangle. The distance she walked is then the hypotenuse of the triangle, and using 30-60-90 triangle rules, we have the following:

The North leg is opposite to the \(30^{\circ}\) angle. Therefore, if we call this distance \(y_N\), we have the following:

\(\sin 30^{\circ}=\frac{y_N}{100},\\\frac{1}{2}=\frac{y_N}{100},\\y_N=\fbox{$50\:\mathrm{m}$}\).

The East leg is opposite to the \(60^{\circ}\\\) angle. If we call this distance \(x_E\), we have:

\(\sin 60^{\circ}=\frac{x_E}{100},\\\frac{\sqrt{3}}{2}=\frac{x_E}{100},\\x_E=\fbox{$50\sqrt{3}\:\mathrm{m}$}\).

Answer:

The train's acceleration is 4.5 m/s²

Explanation:

The train's speed increased by 45 m/s after 10 seconds, which means that it's speed increased by 4.5 m/s each second, or rather 4.5m/s²

The light from the green glow stick held by the Olympic sprinter will appear redshifted.

The phenomenon of redshift occurs when the source of light is moving away from the observer. In this case, as the sprinter is running towards you, the distance between you and the glow stick is decreasing over time. This decrease in distance causes a Doppler shift in the frequency of the light emitted by the glow stick.

Since the light is redshifted, its wavelength increases and the frequency decreases compared to its original emitted frequency. As a result, the light that reaches your eyes appears more towards the red end of the visible spectrum.

It is important to note that the color of the glow stick itself remains the same, but due to the relative motion between the source (the sprinter) and the observer (you), the light undergoes a change in frequency and appears redshifted.

This phenomenon is similar to the redshift observed in cosmology, where the light from distant galaxies appears to be redshifted due to the expansion of the universe.

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The melting point of a substance is the temperature at which the substance changes its phase from solid to liquid.

The freezing point is the temperature at which the substance changes its phase from liquid to solid.

The melting point of a substance is the same as the freezing point. That is when the temperature of the substance in the liquid form is increased continuously, the temperature at which the substance turns into a solid is equal to the temperature at which the substance will turn into liquid from solid if the temperature is decreased continuously, from a higher temperature.

The maximum wavelength of radiation emitted by the Sun is approximately 504 nm (in the visible light range, in the purple-blue region).

To calculate the surface temperature of the Sun, we can use the Stefan-Boltzmann law, which states that the total power output of a black body is proportional to the fourth power of its temperature.

The equation is:

P = σT^4

where P is the total power output, σ is the Stefan-Boltzmann constant (5.67 x 10^-8 W/(m^2·K^4)), and T is the temperature in Kelvin.

We can rearrange this equation to solve for T:

T = (P/σ)^(1/4)

So, using the given value for the total power output of the Sun (3.85 x 1026 W) and the value for the Stefan-Boltzmann constant:

T = (3.85 x 1026 W / (5.67 x 10^-8 W/(m^2·K^4)))^(1/4) = (6.8 x 1033)^(1/4) = 5.78 x 10^3 K

So, the surface temperature of the Sun is approximately 5780 K.

(b) To find the maximum wavelength of radiation emitted by the sun, we can use Wien's displacement law, which states that the maximum wavelength of radiation emitted by a black body is inversely proportional to the temperature of the black body.

The equation is:

λ_max = b/T

where λ_max is the maximum wavelength, b is Wien's constant (2.89 x 10-3 m·K) and T is the temperature in Kelvin.

So using the value for the temperature of the sun that we calculated previously and Wien's constant:

λ_max = 2.89 x 10-3 m·K / 5780 K = 0.000504 m = 504 nm.

So, the maximum wavelength of radiation emitted by the Sun is approximately 504 nm (in the visible light range, in the purple-blue region

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The inductance (L) of a series RL circuit is 0.36 H, which represents the property of the circuit to oppose changes in current flow by storing energy in a magnetic field.

In a series RL circuit, the inductance (L) affects the rate at which the current changes when the circuit is connected to a voltage source. To find the inductance, we need to consider the time it takes for the current to reach one-third of its final value after connecting the circuit to a battery.

Given:

Resistance (R) = 1.0 kW (kilowatts) = 10³ Ω (ohms)

Time (t) = 30 µs (microseconds) = 30 × 10⁻⁶ s (seconds)

The time constant (τ) of an RL circuit is given by the formula:

τ = L/R

To find the inductance (L), we can rearrange the formula as:

L = τ × R

Since we are given the time (t) it takes for the current to increase to one-third of its final value, we can calculate the time constant (τ) using the formula:

τ = t / ln(3)

Substituting the values, we have:

τ = (30 × 10⁻⁶ s) / ln(3)

Now, we can calculate the inductance (L) by multiplying the time constant (τ) by the resistance (R):

L = τ × R = (30 × 10⁻⁶ s) / ln(3) × 10³ Ω = (30 × 10⁻³ Ω·s) / ln(3)

Evaluating this expression, we find that the inductance (L) of the series RL circuit is approximately 0.36 H (henries).

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Answer:

Probably not climate technically is based off conditions in areas in a general terms or over long periods of time.

Answer:

1st: Radiation

2nd: Conduction

3rd: Convection

Explanation:

I actually learned this before in school. Yay

Answer:

I get up at 5 in the morning exercise then take a shower then go back to sleep till it's time to eat breakfast and go to school. Then at 7 or 8 o clock pm after i eat dinner at 5 i exercise at 7 then take a shower and then go to bed i do this everyday.

Explanation:

Getting off the couch or out of your seat to start walking, running, bicycling, swimming or other activity may help you lead a healthier and happier life. ... Those activities can include walking briskly, gardening, bicycling slowly or even ballroom dancing.

The efficiency of the engine is 60%.

The efficiency of a heat engine describes the amount of input energy converted into useful work.

It also entails the amount of useful work done by the engine. The greater the amount of useful work done by the engine, the greater the efficiency of the engine.

The efficiency of an engine ranges from 0 to 100%.

If there four stages in the energy conversion cycle, and 10% energy is wasted in each cycle, the total energy wasted in the four cycles is calculated as;

Total wasted energy = 4 x 10% = 40%

Efficiency of the engine = Useful energy = 100% - 40% = 60%

Thus, the efficiency of the engine is the useful work done by the engine.

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Answer:

Mass, m = 32 kg

Explanation:

Given that,

Force, F = 2000 N

The change in velocity, (v-u) = 50 m/s

Time, t = 0.8 s

We need to find the mass of the ball. The net force acting on an object is given by :

F = ma

Where a is acceleration

\(F=\dfrac{m(v-u)}{t}\\\\m=\dfrac{Ft}{(v-u)}\\\\m=\dfrac{2000\times 0.8}{50}\\\\m=32\ kg\)

So, the mass of the ball is 32 kg.

Explanation:

As they are in same direction, you can add them directly. And result is 12 + 8 m = 20 m North. If you use vector addition: Vectors = 12m & 8 m & angle b/w them is 0°(as both are in same direction).

Answer:

amounts

Explanation:

every surface has different amounts of friction

hope this helps :) plz brainliest?

Answer:

Amounts of frictions

Explanation:

take for example a football player it is harder to push a  sled

The net torque on the stone about the center of the circle is 144 Nm.

Angular velocity is the rate of change of angular position of an object over time. It is typically measured in radians per second (rad/s) or revolutions per minute (rpm). Angular velocity can be thought of as a vector, with direction and magnitude indicating the rate of rotation. Angular velocity is an important concept in physics, as it is used to calculate angular momentum and torque.

The net torque on the stone about the center of the circle is calculated using the formula τ = r x F, where r is the length of the string and F is the centripetal force acting on the stone. The centripetal force is calculated using the formula F = mv2/r, where m is the mass of the stone, v is the angular velocity in radians per second and r is the radius of the circle.

In this case, the mass of the stone is 2 kg, the length of the string is 0.50 m, the angular velocity is 12 rad/s and the radius of the circle is 0.50 m. Thus, the net torque on the stone is calculated as follows:

τ = r x F = 0.50 m x (2 kg x (12 rad/s)2/ 0.50 m) = 144 Nm.

Therefore, the net torque on the stone about the center of the circle is 144 Nm.

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a. The electric flux through each of the six faces of the cube is zero.

To answer this question, we must use Gauss' Law.

The electric flux is calculated as follows:

Adding all of these values together, we see that the electric flux through the cubical surface is zero,

as Gauss' Law predicts, since there is no net charge within the cube.

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The kind of spring should be held constant so as to improve the validity of the experiment.

Hooke's law states that the force that acts on a spring is directly proportional to the extension of the spring as long as the elastic limit is not exceeded.

As such, we can now understand that we can only be able to talk about the Hooke's law if there is no way in which the material has passed the elastic limit of the material. In this case, we are told that the students just embarked on a kind of experiment and they want to be able to verify the validity of the Hooke's law.

We saw that the masses that were hanged were increased but the springs were also changed. This would not allow us to determine the force constant and the Hooke's law accurately.

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Answer:

\( \boxed{ \bold{ \huge{ \boxed{ \sf{eon}}}}}\)

Explanation:

The largest formal unit of geologic time is eon .

Hope I helped!

Answer:

C. gases

Explanation:

I don't really know how to explain it work is just typically done by gases. Plus this is the correct answer for a p e .x

This is the 61,440 J of work done by the tow rope on the rider and tube to pull them up the slope.

Some of this energy will be converted into thermal energy due to friction between the tube and the snow.

The amount of thermal energy created depends on the efficiency of the conversion process, which we do not know.

To calculate the thermal energy created during the ascent of the slope, we need to consider the work done on the rider and tube by the tow rope. The work done is equal to the product of the force applied and the distance moved in the direction of the force.

First, let's calculate the force of gravity acting on the rider and tube as they are pulled up the slope. The force of gravity is equal to the mass times the acceleration due to gravity, which is approximately \(9.8 m/s^{2}\) Force of gravity =\(90 kg * 9.8 m/s^{2}\)

= 882 N Since the tow rope maintains a constant tension of 370 N, the net force acting on the rider and tube is equal to the difference between the force of gravity and the tension of the rope:

Net force = 882 N - 370 N

= 512 N

Next, let's calculate the work done by the tow rope. The work done is equal to the net force times the distance moved in the direction of the force, which is the length of the slope.

Work done = Net force x Distance moved Work done = 512 N x 120 m = 61,440 J This is the amount of work done by the tow rope on the rider and tube to pull them up the slope.

Some of this energy will be converted into thermal energy due to friction between the tube and the snow.

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The following are the three fundamental laws of electric charge: Attraction between opposing charges. Similar charges repel one another. Electric charge can only be transmitted from one item to another, according to the law of conservation of charge.

The total amount of electric charge in a closed system must remain constant, according to the law of conservation of charge. See how various situations, such when particles collide or decay, can be used to illustrate this law.

According to the law of electric charges, opposite charges attract and like charges repel. Because electrons are negatively charged and protons are positively charged, they are drawn to one another.

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Answer:

Fluid theories of electricity are outdated theories that postulated one or more electrical fluids which were thought to be responsible for many electrical phenomena in the history of electromagnetism.

I hope it's helpful!

Answer:

Approximately \(73\; {\rm N}\), assuming that the acceleration of this ball is constant during the descent.

Explanation:

Assume that the acceleration of this ball, \(a\), is constant during the entire descent.

Let \(x\) denote the displacement of this ball and let \(t\) denote the duration of the descent. The SUVAT equation \(x = (1/2)\, a\, t^{2}\) would apply.

Rearrange this equation to find an expression for the acceleration, \(a\), of this ball:

\(\begin{aligned} a &= \frac{2\, x}{t^{2}}\end{aligned}\).

Note that \(x = 11\; {\rm m}\) and \(t = 1.5\; {\rm s}\) in this question. Thus:

\(\begin{aligned} a &= \frac{2\, x}{t^{2}} \\ &= \frac{2 \times 11\; {\rm m}}{(1.5\; {\rm s})^{2}} \\ &\approx 9.78\; {\rm m \cdot s^{-2}}\end{aligned}\).

Let \(m\) denote the mass of this ball. By Newton's Second Law of Motion, if the acceleration of this ball is \(a\), the net external force on this ball would be \(m\, a\).

Since \(m = 7.5\; {\rm kg}\) and \(a \approx 9.78\; {\rm m\cdot s^{-2}}\), the net external force on this ball would be:

\(\begin{aligned} (\text{net force}) &= m\, a \\ &\approx 7.5\; {\rm kg} \times 9.78\; {\rm m\cdot s^{-2}} \\ &\approx 73\; {\rm kg \cdot m \cdot s^{-2} \\ &= 73\; {\rm N} && (1\; {\rm N} = 1\; {\rm kg \cdot m\cdot s^{-2}}) \end{aligned}\).

A deflecting telescope is one with a lens as its objective and no mirror.

A deflecting telescope is one that makes use of a single or more curved mirrors to reflect light and generate a picture. Mirrors, rather than lenses, are employed in reflecting telescopes to gather light. The light in a reflector passes from the telescope tube to the big concave primary mirror, which reflects the light up the tube to the smaller convex secondary mirror, which reflects the light in relation to the eyepiece. Because light is reflected back and forth rather than traveling in a straight line from one end of the telescope tube to the other, reflecting telescopes are shorter than refractors.

Here,

A deflecting telescope has a lens as its objective rather than a mirror.

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Slow cooling of magma beneath the surface of Earth

Rocks with light and dark color and coarse texture can form in a variety of ways, depending on the specific type of rock. However, one common way that this type of rock can form is through a process called igneous rock formation.

Igneous rocks are formed when molten rock (magma) cools and solidifies. The type of igneous rock that forms depends on the composition of the magma and the rate at which it cools. When magma cools slowly beneath the Earth's surface, it can crystallize and form large, coarse-grained igneous rocks called plutonic or intrusive rocks.

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It will take approximately 0.43 seconds for the ball to reach the ground when it is pushed from a height of 0.9 meters above the ground. The statement "the ball takes 1.0 seconds to hit the floor" is incorrect.

The problem requires us to find the time taken by a ball to reach the ground if it is pushed from a height of 0.9 meters above the ground. We can solve this problem using the kinematic equation: h = (1/2) gt² + v₀t + h₀

where

h = height = 0.9 mg = acceleration due to gravity = 9.8 m/s² (approximately)

v₀ = initial velocity = 0

h₀ = initial height = 0 (as it is measured from the ground)

Therefore, the kinematic equation for the given problem is:

0.9 = (1/2) (9.8) t² + 0t + 0.9

Simplifying the above equation, we get:

4.9t² = 0.9-1t² = 0.9/4.9t = √(0.9/4.9)t ≈ 0.43 seconds

Hence, the given statement is incorrect.

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Answer:

HOW TO WRITE SYNTHESIS ESSAYS

Consider your purpose in writing.

Select and carefully read your sources, according to your purpose.

Formulate a thesis.

Decide how you will use your source material and take notes.

Develop and organizational plan, according to your thesis.

Explanation: