Two-pointcharges are 9.0 cm apart. they are moved and the force on each of them is found to have been doubled. how far apart are they now?

The correct option is D.

The Kinetic Energy and The Potential Energy are perfectly anti-correlated.

Kinetic energy and potential energy are two types of energy that are frequently found in mechanical systems and are referred to as mechanical energy in physics. The idea of mechanical energy conservation is based on an even more general principle known as the law of conservation of energy; the main distinction is that in mechanical energy conservation, all the system's energy is either in the form of kinetic energy, potential energy, or both. A restoring force in a harmonic oscillator works in the direction of an equilibrium point. Simple harmonic motion, which we refer to as repeating the motion, is produced by the force. The system's mechanical energy, which includes both potential and kinetic energy, is ideally constant. In actuality, the energy is preserved by allowing one quantity to grow when the other shrinks, and vice versa. An anti-correlation is a term that describes a negative correlation.

To summarize the kinetic energy and potential energy in a harmonic oscillator are perfectly anti-correlated. The correct option is D.

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More solar energy reaches the equatorial regions than the polar regions, because of spherical shape of the Earth, sunlight falls on different parts at different angles. The sun rays falls on the equator directly and focused therefore, the regions are hotter and warmer. The polar regions receive diffused sun rays, so that the areas there are colder.

The type of energy generated by the sun is known as the solar energy. Solar energy is created by nuclear fusion that takes place in the sun. Fusion occurs when protons of hydrogen atoms violently collide in the sun's core and fuse to create a helium atom.

The power of Sun and Stars can be assumed by the process of nuclear fusion reaction. In a fusion reaction, two light nuclei merge to form a single heavier nucleus. The process releases energy because the total mass of the resulting single nucleus is less than the mass of the two original nuclei. The leftover mass becomes energy.

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By conversion unit, 1 kilogram is equal to 10⁶ milligrams or 1000000 milligrams.

We need to know about a conversion unit to solve this problem. Kilogram is the SI unit for length but there are other units which able to determine the length such as gram and milligram. The conversion unit of milligram to kilogram is

1 mg = 10¯⁶ kg

1 mg = 0.000001 kg

From the question above, we know that the question is converting 1 kg to 1 mg, Hence

1 mg = 10¯⁶ kg

multiply by 10⁶

1 kg = 10⁶ mg

or we can write

1kg = 1000000 mg

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i don't know.

Explanation:

because i don't want responde

By using electromagnetic waves, the frequency of radiation is 3.09 x 10¹⁴ Hz.

We need to know about electromagnetic waves to solve this problem. Electromagnetic waves can propagate without media. The speed of electromagnetic in vacuum media is equal to the speed of light. Hence, the wavelength and frequency can be determined as

c = λ . f

where c is the speed of light (3 x 10⁸ m/s), λ is wavelength and f is frequency.

From the question above, we know that

λ = 970 nm = 970 x 10¯⁹ m

By substituting the given parameter, we can calculate the frequency of radiation

c = λ . f

f = c / λ

f = 3 x 10⁸ / 970 x 10¯⁹

f = 3.09 x 10¹⁴ Hz

Hence, the frequency of radiation is 3.09 x 10¹⁴ Hz.

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When the position of a block in simple harmonic motion on a spring is zero, acceleration of the block is also zero.

Position of a block performing simple harmonic oscillation is given by

[tex]x(t) = ASin(wt - \phi)[/tex]  where, '[tex]A[/tex]' , '[tex]w[/tex]' and '[tex]\phi[/tex]' are the amplitude, angular velocity and phase difference of the particle performing simple harmonic oscillation. Substituting time [tex]t = \frac{1}{w} + \phi[/tex] in the [tex]x(t) = ASin(wt - \phi)[/tex] we get position of the block to be zero. This implies the position of the block is zero at time [tex]t = \frac{1}{w} + \phi[/tex].

Now, the acceleration is the second derivative of position w.r.t time, thus, [tex]a(t) = -w^{2}ASin(wt - \phi)[/tex] is the acceleration of the block. Now, the acceleration of the block at time [tex]t = \frac{1}{w} + \phi[/tex] becomes zero.

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Answer:

4.6 s, because that is the time for the object to reach the top of the incline.

Explanation:
that at the top of the incline, the horizontal velocity will be equal to the launch velocity, because there is no longer any force acting on the object in the horizontal direction. The only force acting on the object is gravity, which is acting in the vertical direction. So the only velocity that will be changing is the vertical velocity. The vertical velocity will be changing because of the force of gravity, which is 9.8 m/s2. The equation for the vertical velocity is: vf = vi + a*t, where vf is the final velocity, vi is the initial velocity, a is the acceleration and t is the time. The final velocity in this case is 0 m/s, because the object has reached the top of the incline and is no longer moving in the vertical direction. The initial velocity is 10 m/s, because that is the launch velocity. The acceleration is 9.8 m/s2, because that is the force of gravity. So when you plug all of those values into the equation, you get: 0 = 10 + 9.8*t and you solve for t and you get t = 4.6 s.

By using uniform motion, the distance traveled by the car is 216 m.

We need to know about the uniform motion to solve this problem. The uniform motion is an object's motion under acceleration. It should follow the rule

vt = vo + a . t

vt² = vo² + 2a . s

s = vo . t + 1/2 . a . t²

where vt is final velocity, vo is initial velocity, a is acceleration, t is time and s is displacement.

From the question above, we know that

vo = 15 m/s

vt = 21 m/s

t = 12 s

Find the acceleration

vt = vo + a . t

21 = 15 + a . 12

12a = 6

a = 0.5 m/s²

By using the third equation, we can calculate the distance

s = vo . t + 1/2 . a . t²

s = 15 . 12 + 1/2 . 0.5 . 12²

s = 180 + 36

s = 216 m

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In the new orbit, the new perihelion will be closer to the sun and the aphelion will be unchanged.

In an orbiting celestial body, the point of the orbit where it is closest to the sun is called as Perihelion. In an orbiting celestial body, the point of the orbit where it is farthest to the sun is called as Aphelion.

Therefore when a spacecraft is orbiting the sun, and makes a maneuver to slow down at aphelion. then, in the new orbit the new perihelion will be closer to the sun and the aphelion will be unchanged.

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If you travel at the speed of a Boeing 747, which means 570 miles per hour, it will take you about 159 years to reach Saturn.

Saturn has orbiting distance from the sun at a mean distance of about 1.4 billion km or 887 million miles. Calculating from that, it’s from earth would be about 1.29 billion km, adding up to 795 million miles.

So, to calculate the years that it would take to reach Saturn, first, let’s convert the hours to years so that we can find out years in the end.

1 hour can be written down as 0.0001141155 years as per calculation.

So, then the Boeing 747 travels at a speed of 570 miles per 1.1141155 x 10^-4 year

So, to reach to travel a distance of 1 mile, Boeing 747 takes {(1.1141155 x 10^-4) / 570} years.

So, in order to travel 790 million miles, Boeing 747 takes 795,000,000 x {(1.1141155 x 10^-4) / 570} years.

If we calculate it, we get the answer around 159 years.

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Answer:

daughter has the greater speed

Explanation:

hopefully this helps

The highest precision for determining a particle's position will rise as the maximum accuracy for determining its velocity will fall.

The pace at which an object's position changes as perceived from a particular point of view and as measured by a particular unit of time (for example, 60 km/h northbound) is defined as its velocity. Velocity is a fundamental concept in kinematics, the branch of classical mechanics that deals with the motion of bodies.

In order to be defined, the physical vector quantity known as velocity needs to have both a magnitude and a direction. In the SI, speed is expressed in meters per second (m/s or m/s1), a coherently derived unit (metric system). Speed is the magnitude of a scalar absolute value of velocity.

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A negatively charged particle released at rest will move towards regions of high potential in this context.

This is defined as the amount of work energy which is required to move a unit charge from one point to another in an electric field.

Negative charges which start from rest, accelerate from regions of low potential and move toward regions of high potential due to the strong Coulomb attraction.

On the other hand, positive charges starting from rest will accelerate from regions of high potential and move towards that of a low potential as a result of it having a weak coulomb attraction which makes it to easily get moved to a potential which has a weak strength.

This is therefore the reason why a higher potential was chosen as the most appropriate choice.

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One-half second after starting from rest, a freely falling object will have a speed of about 5 m/s.

Falling things include goods, tools, garbage, and rubbish that are blown, dropped, or displaced from heights.

Physical science research frequently involves the study of gravity. Of course, what makes things fall is the force of gravity. A force of attraction between two objects is constant. This pulling force is similar to the pull of gravity.

given free fall from rest i.e.

initial velocity u=0 m/s

acceleration  a = 10m/s2

time t=0.5 seconds

we know final velocity v = u + at = 0 + (10 *0.5) = 5m/s

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Answer: no

Explanation: every action has an equal and opposite reaction

An electric field that has a constant field strength value throughout is said to be uniform. Since the field strength is constant and the field lines are generally parallel and evenly spaced from one another in a uniform electric field. Their separation is equal.

Each point in space has an electric field associated with it when there is a charge present in any form. The value of E, often known as the electric field strength, electric field intensity, or just the electric field, expresses the strength and direction of the electric field.

An electric field that has a constant field strength value throughout is said to be uniform. Since the field strength is constant and the field lines are generally parallel and evenly spaced from one another in a uniform electric field. Their separation is equal.

Therefore, the correct answer is option D) toward the bottom of the page.

The complete question is:

In which direction does the electric field point?

A) toward the top of the page

B) toward the left of the page

C) toward the right of the page

D) toward the bottom of the page

E) out of the page, toward the reader

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The approach that makes use of rational and systematic reasoning to answer the great questions of life and existence is known as:

Socratic method.

The socratic method Worst drive from the Greek philosopher socrates.

It is a method of hypothesis elimination in that we found quickly identifying and eliminating those leads to contradictions.

This method is also known as elenctic method, socratic debate

Socrates applied his method of examination generally to find the concepts that seems to lack any concrete definition.

socratic method is also known as question answer method.

in his case this personal investigation arguments assume a form of dialogue that's why we said it question answer method.

The approach that makes use of rational and systematic reasoning to answer the great questions of life and existence is known as:

Socratic method.

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The charge will the potential be 100 V =  1.112 x10⁻¹² C

distance is 4.994 × 10⁻⁵m

v = 100V

K = 8.988 x 10⁹ NM²/C²

r = 1.00 μC

charge may be defined as physical quantity which experience force when placed in an electromagnetic field.

It is measured in coulomb (C)

It is represented by the symbol q.

The formula to find how far from a 1.00 μC point charge will the potential be 100V.

V = kq / r     ........1

q = rV/ K

Where

V = Electric potential

q = charge

r = distance

k = Coulomb's constant.

Charge = (1.00 x 10⁻⁶m)(100)/ 8.988 x 10⁹ NM²/C²

q = 1.112 x10⁻¹² C

So, The charge will the potential be 100 V =  q = 1.112x 10⁻¹² C

distance at which it will be 2.00 x 10^2 is given by

using equation 1

V = kq / r  

r = kq/V

using above values we have

r =8.988 x 10⁹ NM²/C² x 1.112x 10⁻¹² C /2.00 x 10²

r = 4.994 × 10⁻⁵m

distance is 4.994 × 10⁻⁵m

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The supply curve measures quantity supplied on the horizontal axis and price on the vertical axis.

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The frequency of the mice with brown fur is 0.77.

Using the Hardy-Weinberg Principle, we can find out the frequency of occurrence of alleles of a gene or a locus.

The algebraic equation for Hardy-Weinberg Principle is,

p^2 + 2pq + q^2 = 1

Here, p^2 represents the frequency of the dominant allele

q^2 represents the frequency of the recessive allele

2pq represents the frequency of heterozygotes

Out of 200 mice, 120 have brown fur and brown fur is the dominant allele.

Thus, the frequency of brown fur is

p^2 = 120/200 = 0.6

p = 0.77

Hence, the frequency of the mice with brown fur is 0.77.

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[tex]9 m/s^{2}[/tex] is the distance traveled by the car in the 8.5 s

U = 0 (rest)

V= 76.5 m/s

t= 8.5 second

a=?

We are related

V=u+at

76.5 m/s = 0+a×8.5

⟹a= 76.5/8.5 = [tex]9 m/s^{2}[/tex]

Hence, the car's acceleration [tex]9 m/s^{2}[/tex]

The route taken by a body to travel from a starting point to an ending location in a predetermined amount of time and at a predetermined speed is known as the distance travelled. Considering a constant velocity:

Distance is calculated as time multiplied by velocity.

The formula is denoted as d = v×t.

D is the distance, as stated.

V is the speed.

t is the time.

The formula for calculating distance traveled can be used to calculate how far driving a car or swimming laps in a pool will take you.

The distance and speed while driving an automobile are measured in kilometers per hour, respectively.

The distance swim will be measured in terms of laps while doing laps in a pool.

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You should begin viewing a specimen with the 10X objective lens that is false.

An optical device known as a lens uses refraction to focus or disperse a light beam. A compound lens is made up of multiple simple lenses (elements), typically aligned along a common axis, as opposed to a simple lens, which is one solid piece of transparent material. Glass or plastic are used to make lenses, which are then polished or molded into the required shape. In contrast to a prism, which just refracts light without focusing it, a lens can focus light to create an image. In addition to focusing visible light, lenses can also be used to disperse various types of waves and radiation, such as explosive, microwave, electron, and acoustic waves.

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Both balls have the same velocity upon reaching the ground.

                    [tex]\begin{aligned}\\\small K.E +P.E &=\small K.E_1 +P.E_1\\\\\small \frac{mv^2}{2}+mgh&=\small \frac{mV^2}{2}+0\\\\\small V&=\small \sqrt{v^2+2gh}\end{aligned}[/tex]

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There are 56.2 x 10^-6kg or in simple terms 0.0000562 kg in 56.2mg.

This can be explained as 1 kg = 10^6 mg

Or if you want to even simplify it much further, it can be deduced by

1 kg = 1000g and 1 g = 1000mg

This means 1 kg = (1000 x 1000) mg

Which means 1 kg = 1000000 mg or 10^6 mg.

So, to answer this question we have to reverse the process we have done here.

This means 1 kg = 10^6 mg

Which implies 1mg = 1/ 10^6 kg

Or it can be written as 1 mg = 10^-6 kg

So, 56.2 mg = 56.2 x 10^-6 kg and that is your answer.

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Parallels of Latitude measure the distance north and south of the Equator.

The distance north or south of the equator is measured by latitude. Latitude lines, often known as parallels, are imaginary lines that divide the Earth. They go east to west, although you may measure north or south. The most well-known parallel is the equator. At 0 degrees latitude, the equator is midway between the North Pole and the South Pole.

The world is divided into two halves by an equator: the Northern Hemisphere and the Southern Hemisphere. The Earth's equator is the widest point on the planet. The circumference of the Earth, measured at the Equator, is 40,075 kilometres (24,901 miles).

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The order of the positive and negative feedback loops are positive, positive, negative, positive, positive, negative.

A system component known as a feedback loop is one in which all or a portion of the output is used as input for subsequent actions. A minimum of four phases comprise each feedback loop. Input is produced in the initial phase. Input is recorded and stored in the subsequent stage. Input is examined in the third stage, and during the fourth, decisions are made using the knowledge from the examination.

Both negative and positive feedback loops are possible. Insofar as they stay within predetermined bounds, negative feedback loops are self-regulating and helpful for sustaining an ideal condition. One of the most well-known examples of a self-regulating negative feedback loop is an old-fashioned home thermostat that turns on or off a furnace using bang-bang control.

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The pressure would increase as per Charle's Law, therefore the correct answer is option 4.

It is an imaginary gas for which the volume occupies by it is negligible, this gas does not exist in a practical situation and the concept of an ideal gas is only the theoretical one,

PV = nRT

As given in the problem statement we have to find out if the volume is held constant then what would happen to the gas if the temperature is increased,

For constant volume, the pressure of a gas is directly proportional to the temperature of the gas,

Thus, the pressure would increase as per Charle's Law, therefore the correct answer is option 4.

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This is an exercise on the density of liquids and gases.

The data provided in the exercise are:

Density (d) = ?

Mass (m) = 64g

Volume (v) = 8cm³

To calculate the density of the cube when it is placed on the balance, divide the mass divided by the volume. We apply the following formula:

We substitute our data in the formula and solve:

Answer: The density of the cube placed on the three-beam balance is 8 g/cm³. ✅

If one object has a greater speed than a second object, the first not necessarily have a greater acceleration.

Acceleration is the rate of change of velocity. An object can have a greater speed but with zero acceleration if the velocity is constant.

For example, Consider a driver A driving his car at a constant speed of 60 Kmph. and crosses another driver B. Consider driver B at rest the moment the driver A crosses him. But the driver B drives faster than the driver A and catches up with driver A even though the driver A was driving at 60 Kmph when the driver B just started driving from 0 Kmph.

Therefore, if one object has a greater speed than a second object, the first not necessarily have a greater acceleration.

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