The potential difference between two conductors which are insulated from each other is measured in?

No, you cannot physically touch a person without that person touching you with the same amount of force.

According to Newton's third law of motion, for every action there is an equal and opposite reaction which means that when two objects come in physical contact with each other the exert forces on one another that is equal in terms of magnitude and opposite in terms of direction.

So, in this case you physically touch a person with x amounts of force and basically they exert the same amount of force on you.

Therefore, you cannot physically touch a person without that person touching you with the same amount of force.

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Answer:

Explanation. analysis, inference, and evaluation.help you to solve your problem as well as by using it you can develop scientific and critical thinking skills among students

When an electron in a hydrogen atom transitions from the state of n=6 to n=1, a photon with an energy of 13.2 eV is released.

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The magnitude of the acceleration of the moon towards the earth is 0.003 [tex]m/s^2[/tex].

The acceleration means the rate with which the velocity of an object changes.

The time the moon takes to complete one revolution, t = 27.3 days = 2358720 s

The distance travelled in circular path, d = [tex]2\pi r[/tex] = [tex]24015\times 10^8[/tex] m

where radius r = [tex]3.844\times 10^8[/tex] m

The formula in circular motion is :

[tex]a=\frac{v^2}{r}[/tex]

[tex]v=\frac{d}{t}[/tex]

So substituting the values:

[tex]a=\frac{(1.024\times 10^3)^2}{3.844\times 10^8}[/tex]

[tex]a\approx 2.8\times 10^{-3} \ m/s^2[/tex]

[tex]\therefore a\approx 0.003 \ m/s^2[/tex]

The value of the acceleration of the moon towards the earth is 0.003 [tex]m/s^2[/tex].

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Allele frequencies are unaffected by assortative mating, but genotype frequencies .

Individuals with similar phenotypes and genotypes mate with others more frequently than is anticipated under a random mating pattern in assortative mating, which is a mating pattern and a type of sexual selection.

A population's genotype frequency is calculated by dividing the number of people having a particular genotype by the overall population size. The genotype frequency in population genetics is the frequency or ratio (i.e., 0 f 1) among genotypes inside a population.

The term "allele frequency" describes the prevalence of an allele in a population. It is calculated by calculating the number of times the allele occurs in the population and dividing by the sum of all the gene copies.

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The volume of the balloon after 67 hours would be 119.98 L

mol of he = 4.90 mol

wt. of he = 4.90x 4 = 19.60 g

after 67 hours,

67 x 10 x [tex]10^{-3}[/tex] x 4 = 2.68 g

we know 1 L = 1000 g

so, volume of gas = 2.68 x [tex]10^{-3}[/tex] L

amount left = 16.92 g = 16.92 x [tex]10^{-3}[/tex] L

thus, volume after 67 hours = 119.98 L

A weather balloon, or also known as the sounding balloon, is a specially crafted balloon that is used to carry instruments above to the sky to send back information to the radio signal centres about atmospheric pressure, temperature, humidity and wind speed by means of a small, expendable measuring device called a radiosonde.

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Olympus mons can be found on Mars planet.

In the Tharsis Montes region, close to the Martian equator, Olympus Mons is one of a dozen large volcanoes, many of which are ten to one hundred times taller than their terrestrial counterparts. The massive Martian mountain towers high above the surrounding plains of the red planet and may be waiting for the next eruption. The highest of them all runs about 374 miles (624 km), or about as far as the state of Arizona, and rises 16 miles (25 km) over the plains below. Olympus Mons rises three times higher than Mount Everest, which has a peak elevation of 5.5 miles above sea level and is the tallest mountain on Earth.

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An earth satellite has a speed of 7.5 km/s and a flight path angle of 10 degrees when its radius is 8000 km.

-21.7km square /s square is the angular momentum (in km 2/s).

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The correct answer is 5.6 Newton is the force on the egg .

Using newtons 2 law of motion

force  = mass  * accelaration

now accelaration =10 m / s^2

mass = 0.56 kg

force  = 0.56 * 10

force  = 5.6 newton

Newton's second law of motion governs the behavior of objects when all available forces are not balanced. The second law states that an object's acceleration is determined by two variables: the net force acting on the object and the object's mass. The acceleration of an object is proportional to the net force acting on it and inversely proportional to its mass. The acceleration of an object increases as the force acting on it increases. The acceleration of an object decreases as the mass of the object increases.

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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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In a lab setting, a systematic error frequently causes high precision with low accuracy. Either the measurer consistently makes the same error, or the measuring device has a fault. Even while a badly calibrated balance might consistently read the same mass, it will be far lower than the actual mass of the object.

Accuracy is defined as "the degree to which the outcome of a measurement adheres to the correct value or a standard. basically refers to how closely a measurement fits the established value." The degree to which the outcome of a measurement complies to the proper value or a standard," is how accuracy is defined.

The more traditional term is "accuracy of measurement," which is defined as "... the degree to which the outcome of a measurement agrees with the genuine value of the thing being measured."

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An encryption can be defined as a form of cryptography and it typically involves the process of converting or encoding information in plain text into a code, known as a ciphertext. Generally speaking, an information or data that has been encrypted it can only be accessed and deciphered by an authorized user.

This ultimately implies that, an encryption simply refers to a utility which can be used by an end user to to secure his or her sensitive information from unauthorized access or theft by a hacker (attacker).

In Computer programming, some examples of encryption algorithms include the following:

In Computer technology, a defragmentation utility helps to reorganize (rearrange) the data stored on a disk drive and as such, it would make a computer system to run faster. Also, a compression utility is a type of utility which can be used to reduce the size of a large video file that is to be sent through an email.

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The maximum length of foil will be 6732.84 cm or 67.3284 m

To find the maximum length of the foil, the given datas are:

Width of roll of foil = 304 mm

Height or thickness = 0.019 mm

Density of foil = 2.7 g/cm³

Mass of foil = 1.05 Kg

Density is the substance's  mass per unit volume. It can be also described by measuring how the particles in the substances tightly packed together.

                              d = m/ v

v = length (l) × width (w) × height (h)

First of we will convert the Kg into gram and mm into cm.

For 1 Kg = 1000 g

1.09 × 1000 = 1090 g

For 1 cm = 10 mm

304 / 10 = 30.4 cm

0.019 / 10 =  0.0019 cm

Now we will put the values in formula:

d = m/ l× h× w

l = m / d × h× w

l = 1050 g / 2.7 g/cm³× 30.4 cm × 0.0019 cm

l = 1050 g/ 0.155952 g/cm

l = 6732.84 cm or 67.3284 m

The maximum length of foil will be 6732.84 cm or 67.3284 m

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If two identical toy race cars drive horizontally on the top of a table from the same initial height, but with different initial velocities, then the race cars will hit the ground at the same time, therefore the correct answer is option A.

It can be defined as the force by which a body attracts another body towards its center as the result of the gravitational pull of one body and another.

As given in the problem If two identical toy race cars drive horizontally on the top of a table from the same initial height, but with different initial velocities,

The final velocity of the race cars depends only on the height, as the height is the same for both the cars, the race cars will hit the ground at the same time.

Thus, the correct answer is option A.

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Answer: The answer is A

Explanation:

Answer:

556cm

Explanation:

because 5.56m × 100 = 556cm.

Answer:556

5.56*100=556

Explanation:

Answer:

See below

Explanation:

df = do + vo t + 1/2 at^2

640 = 0 + 8 (40) + 1/2 ( a)(40^2)     shows a = .4 m/s^2

vf = vo + at

   = 8   + .4 (40) = 24 m/s

Phase contrast microscope shows cells against a bright background and the intracellular structures of unstained cells based on their varying densities.

A technique called phase-contrast microscopy is used to contrast a translucent object without staining it. Phase-contrast microscopy has a number of benefits, including the ability to employ high-resolution objectives, but doing so necessitates a specialised condenser and more expensive objectives.

With the help of the optical contrast technique known as phase contrast, biological specimens' cells can show their unstained architecture. With brightfield illumination, cell structures that appear transparent can be seen in high contrast and in great detail with phase contrast.

Phase-contrast photographs often have a grey backdrop with varying amounts of light and dark elements. Halo-light ring creation, a drawback of phase-contrast microscopy, is one.

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The appropriate value in blank given is Δf = 5.5 x [tex]10^{11}[/tex] Hertz.

We have vibrational - rotational spectrum Hydrochloric Acid.

We have to investigate the estimated separation between absorption peaks and fill the blank.

Rotational–vibrational spectroscopy is a branch of molecular spectroscopy. It deals with the infrared and Raman spectra of molecules in the gaseous phase.

According to the question -

The estimated separation between absorption peaks in the vibrational-rotational spectrum of HCl is denoted by Δf and is equal to -

Δf = 5.5 x [tex]10^{11}[/tex] Hertz

Hence, the appropriate value in blank given is Δf = 5.5 x [tex]10^{11}[/tex] Hertz.

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The light produced by the sun is a composite white light, made up of other colors of light.

Electromagnetic radiation includes the portion of the electromagnetic spectrum that the human eye detects as light, or visible light. Visible light is typically defined as having wavelengths between 400 and 700 nanometers (nm) or frequencies between 750 and 420 terahertz, which lie between the longer-wavelength infrared and the shorter-wavelength ultraviolet (with shorter wavelengths).

In physics, electromagnetic radiation of any wavelength, whether or not it is visible, is more generally referred to as "light." In this sense, radio waves, microwaves, gamma rays, and X-rays are all types of light. The four primary qualities of light are intensity, propagation direction, frequency or wavelength spectrum, and polarization.

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Considering the definition of speed and velocity, the difference is that speed has no direction while velocity does take direction into account.

Speed ​​is a quantity that expresses the relationship between the space traveled by an object.

In other words, speed can be defined as the amount of space traveled per unit of time with which a body moves .

Velocity is a physical magnitude that relates the displacement of an object, the time it takes to make this change in position and direction.

Because the speed also considers the direction in which the displacement of an object occurs, it is considered a vector magnitude.

The difference between speed and velocity is that speed has no direction, that is, speed is a scalar, while velocity does take direction into account, being a vectorial magnitude.

In, summary, the difference is that speed has no direction while velocity does take direction into account.

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By Ohm's Law, the voltage across the circuit is D. 12 v.

We need to know about Ohm's Law to solve this problem. Ohm's Law describes the relationship between voltage and current. It can be determined as

V / I = R

where V is voltage, I is current and R is resistance.

From the question above, we know that

I = 0.5 A

R = 24 Ω

By substituting the following parameters, we can calculate the voltage

V / I = R

V = I x R

V = 0.5 x 24

V = 12 volt

Hence, the voltage is 12 volts.

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The units N kg-1 and ms^2 are equivalent.

In physics, we often use the idea of dimension to establish the fact that a physical relationship is correct. It could also be used to obtain correct unit of a given physical quantity.

Now we have to obtain the dimensions of N kg-1 from the fact that;

N = Kgms^2 this implies that;

Kgms^2(kg-1) = ms^2

Hence, the units N kg-1 and ms^2 are equivalent.

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Answer:

Explanation:

dimensions of N kg-1 from the fact that;

N = Kgms^2 this implies that;

Kgms^2(kg-1) = ms^2

Hence, the units N kg-1 and ms^2 are equivalent.

The Metonic cycle is a period of almost exactly 19 years after which the lunar phases recur at the same time of the year.

The Metonic cycle is defined as ,235 synodic months is just 2 hours, 4 minutes and 58 seconds longer than 19 tropical years.

In Athens, at 5th century BC, give the cycle to be a whole number of days, 6,940. Using these whole numbers facilitates the construction of a lunisolar calendar.

A tropical year is longer than 12 lunar months and shorter than 13 of them. The arithmetic representation of  12×12 + 7×13 = 235 allows it to be seen that a combination of 12 "short" years (12 months) and 7 "long" years (13 months) will be almost  equal to 19 solar years.

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It is true that Ernest Rutherford contributed significantly to the theory of atomic structure.

He observed that particles with a positive charge deflected when passing through a thin sheet of gold foil concluded that the positive part of the atom is small and dense.

The Ernest Rutherford experiment describes planetary model of an atom. According to the model, an atom has a tiny, compact, positively charged centre called a nucleus, where almost all of the mass is concentrated, while light, negatively charged particles called electrons orbit far around it, much like planets orbit the Sun. In his experiment, the observation that a positive charge is deflected through a thin sheet of gold foil led to the conclusion that the deflection some of the positive charge occurs in a small region of the atom while the majority passed through the atom (which was also concluded to be empty space).

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The cloud is moving at a 352 m/min speed.

An object must move at a consistent speed and direction in order to have a constant velocity. The object can only move in a straight line if the direction is constant. So, motion in a straight line at a constant speed is defined as having a constant velocity.

The speed of the cloud remains constant. As a result, we can calculate the cloud's velocity by dividing the distance it traveled over time: -\sv=d/t

where v is the speed, d is the distance, and t is the duration.

7920 meters were covered by the cloud in 22.5 minutes, so:

- V = 7920/22.5, V = 352 m/min

Consequently, the cloud's speed was 352 m/min.

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The horizontal force p must a worker, new tension is P= 122.62 N

The tension in the rope is

[tex]T_{1}=W_{create} g[/tex]

T1=50×9.81

T1=490.5 N

And the rope is in vertical position

When a worker exert a horizontal force P on the rope, new tension is

[tex]T_{2} =\sqrt{T1^{2} +P^{2} }[/tex]

[tex]T_{2} =\sqrt{490.5}^{2}+P^{2}[/tex]

Since T1 is vertical component to the tension T2

[tex]T_{1} =T_{2} cos \alpha[/tex]

[tex]490.5^{2} /cos^{2} 14.036=490.5^{2} +P^{2}[/tex]

[tex]P^{2} =490.5^{2} /cos^{2} 14.036 - 490.5^{2}[/tex]

P= 122.62 N

As long as no horizontal applied forces are present, the horizontal response force is zero. A single-support cantilever beam has a response force and reaction moment. The total applied forces on the beam are equal to the reaction force.

When the compression pressures are removed, the distortion may either be permanent or reversible. In the latter scenario, the deformation creates reaction forces that compete with the compression forces and may ultimately bring them into balance.

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Astronomers are interested in building observatories capable of detecting neutrinos, cosmic rays, and gravitational waves because these are not forms of light, they can provide information about the objects that emit them that light cannot.

Astronomers study the heavens at X-ray wavelengths using satellites and earth-orbiting observatories. Because X-rays and gamma rays are absorbed high in the Earth's atmosphere, instruments to observe this radiation must be placed in orbit above the atmosphere.

 Astronomy relies on electromagnetic radiation to help us see the universe. It allows us to see (visual light) on Earth. Pulsars, for example, emit X-rays but not visible light, which is how we know they exist. Neutrinos are also made up of energy, but they are made up of radioactive decay.

This enables scientists to measure them despite the fact that they can pass through almost anything without being noticed. Gravitational waves are disturbances caused by the curvature of space that expand at a specific rhythm or "force" that travels at the speed of time. Because they can all be measured without being light, they are ideal for being found in space to create more knowledge about the universe.

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The correct answer is Sustainability.

Sustainability is the main issue when evaluating energy sources for future generations.

Sustainable development is used to fulfill present demands without compromising the capacity of future generations to meet their own requirements. The assertion is accurate and offers a goal that many people want, but it makes no recommendations or guarantees about how to gauge progress toward sustainable development. Sustainability is frequently used interchangeably with "sustainable development".

The twenty-first century's primary engine of progress is energy. This query does not have the graph displaying the various energy sources, but I will do my best to assist you.

You must keep in mind that when choosing energy sources to reduce environmental deterioration, sustainability is the main consideration for future generations.

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The correct answers are:

The chart shows that (A. coal) was the main source of energy used in power plants.

To understand this chart in terms of climate change, scientists need to find out (B. how much carbon dioxide is emitted by each source).

For future generations, they also need to think about (B. how to maximize the use of clean sources of energy).