when two charges are at a distance d and the attractive force between them is 0.52 newtons if they are placed at a distance 3d from each other what will the new force between them be

Explanation:

Amplitude, in physics, the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position. It is equal to one-half the length of the vibration path. ... Waves are generated by vibrating sources, their amplitude being proportional to the amplitude of the source.

Answer:

136 N

Explanation:

Weight can be calculated by multiplying mass and acceleration due to gravity. The equation is formed as \(\displaystyle{W=mg}\).

We know that her weight is 800 N on Earth and that acceleration due to gravity on Earth is given in the chart as 9.81 m/s². We will be finding her mass so we can find her weight on the moon.

\(\displaystyle{800 = m\cdot 9.81 }\\\\\displaystyle{m=81.55}\)

Therefore, her mass is approximately 81.55, now we find her weight on the moon.

\(\displaystyle{W=81.55\cdot 1.67}\\\\\displaystyle{W\approx 136 N}\)

Therefore, her weight on the moon is close to 136 N.

Then force of attraction between the cation and anion can be calculated using Coulomb's law: Force = -7.592 x 10^-9 N.

The attraction of visiting a new place is the opportunity to explore, discover and learn something new. Visiting a new place often involves immersing oneself in new cultures and customs, experiencing different foods and cuisines, and taking in breathtaking views. By exploring a new place, one can gain a greater understanding of the past and present, and appreciate the diversity of people, cultures, and landscapes. Travelling to a new place also offers the chance to make new friends, learn new skills and create lasting memories. Visiting a new place can be a thrilling, eye-opening experience, and the memories created will last forever.

Then force of attraction betweena the cation and anion can be calculated using Coulomb's law:

Force = k * (Q1 * Q2) / r2

where k is Coulomb's constant (8.99 x 10^9 N*m²/C²), Q1 and Q2 are the charges of the cation and anion (2 and -2 in this case), and r is the distance between the two particles (2.5 nm).

Force = 8.99 x 10^9 N*m²/C² * (2 * -2) / (2.5 x 10^-9 m)²

Force = -7.592 x 10^-9 N

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Then force of attraction between the cation and anion can be calculated using Coulomb's law: Force = \(-7.592 \times 10^{-9} N.\)

The attraction of visiting a new place is the opportunity to explore, discover and learn something new. Visiting a new place often involves immersing oneself in new cultures and customs, experiencing different foods and cuisines, and taking in breathtaking views. By exploring a new place, one can gain a greater understanding of the past and present, and appreciate the diversity of people, cultures, and landscapes. Travelling to a new place also offers the chance to make new friends, learn new skills and create lasting memories. Visiting a new place can be a thrilling, eye-opening experience, and the memories created will last forever.

Then force of attraction between a the cation and anion can be calculated using Coulomb's law:

\(Force = k \times (Q1 \times Q2) / r^2\)

where k is Coulomb's constant (\(8.99 \times 10^9 N\times m^2/C^2)\), Q1 and Q2 are the charges of the cation and anion (2 and -2 in this case), and r is the distance between the two particles (2.5 nm).

\(Force = 8.99 \times 10^9 N\times m^2/C^2 \times (2 \times -2) / (2.5 \times 10^{-9} m)^2\\Force = -7.592 x 10^{-9} N\)

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The normal force acting on the mountain goat is 650 N. It supports the weight of the goat and keeps it in equilibrium on the slope.

The normal force is the force exerted by a surface to support the weight of an object resting on it. It acts perpendicular to the surface. In this case, the mountain goat is standing on a slope.

When an object is on an inclined surface, the normal force can be split into two components: one perpendicular to the slope (normal to the surface) and one parallel to the slope (tangential to the surface).

The component parallel to the slope is responsible for counteracting the gravitational force pulling the object down the slope.

In this scenario, the mountain goat is standing on the slope, and we can assume it is in equilibrium, meaning it is not sliding down the slope. Therefore, the parallel component of the normal force is equal in magnitude and opposite in direction to the gravitational force acting down the slope.

The weight of the mountain goat is given as 650 N. This is the magnitude of the gravitational force acting on the goat.

The normal force acting on the goat is equal in magnitude but opposite in direction to the gravitational force. So the normal force is also 650 N.

The normal force acting on the mountain goat is 650 N. It supports the weight of the goat and keeps it in equilibrium on the slope.

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For segment AB in the bacterium's trajectory, The x component of its velocity is 3.92m/s.

\(AB_X = 50um AB_Y = 10um\)

\(AB =\sqrt{50^{2}+ 10^{2} } = 50.99um\)

\(t = \frac{AB}{20} = 2.55\)

\(V_ABY = \frac{AB_Y}{T}\)

\(\frac{10}{2.55}\) \(= 3.92m/s\)

Speed is the directional pace of an item in motion as an illustration of its fee of change in position as discovered from a specific body of reference and as measured with the aid of a selected well-known time (e.g. 60 km/h northbound). speed is an essential idea in kinematics, the department of classical mechanics that describes the motion of our bodies.

Velocity is a physical vector quantity; both importance and route are had to define it. The scalar absolute value (significance) of velocity is known as pace, being a coherent derived unit whose amount is measured within the SI (metric system) as meters per 2d (m/s or m⋅s−1). as an example, "5 meters per 2d" is a scalar, whereas "5 meters in step with 2nd east" is a vector. If there's an exchange in speed, direction, or each, then the object is stated to be present process an acceleration.

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Answer:

2.4m/s, This is what I got.

Answer:

D

Explanation:

Just took the quiz

The wavelength of the wave will be 4 meters. when 5 complete waves occupy a length of 20m.

Wavelength is defined as the space between waves' crests, particularly between electromagnetic or sound wave points. A recurring event's frequency is measured by how many times it occurs in a unit of time. To underline the difference from spatial frequency, it is also occasionally referred to as temporal frequency.

There is an inverse relationship between the frequency and the wavelength of the waves as the wavelength increases the frequency decreases and if the wavelength decreases the frequency increases.

Given that a wave has 5 complete waves occupying a length of 20m. The wavelength of the wave will be calculated as below:-

λ = Distance / frequency

λ = 20 / 5

λ = 4 meters

Therefore, the wavelength of the wave will be 4 meters. when 5 complete waves occupy a length of 20m.

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the answer will be 8 meters

smallest: E1>E3>E5> maximum: E7 (b) most: spiral > elliptical least: inconsistent, An object is said to be rotating in an elliptical orbit when it follows an oval-shaped path around another object.

An elliptical orbit can be advantageous for communications satellites because it allows the satellite to pass over a certain area for a significant amount of its orbit and only briefly loses contact with it when it is whizzing swiftly around the opposite side of the Earth.

The item will eventually be moving slowly enough to be drawn back in as a result of this somewhat wider orbit slowing down the orbital speed. In turn, this causes the object's separation from its parent to fluctuate, creating an elliptical orbit.

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Answer:

A battery is a device that stores chemical energy and converts it to electrical energy. The chemical reactions in a battery involve the flow of electrons from one material (electrode) to another, through an external circuit. The flow of electrons provides an electric current that can be used to do work.

Answer:

4.2 km

Explanation:

A triangle is a polygon with three sides and three angles. There are different types of triangles such as isosceles triangle, scalene triangle, equilateral triangle and right angled triangle.

Sine rule states that for a triangle with angles A,B and C and corresponding opposite sides a, b, and c, the following formula holds:

\(\frac{a}{sin(A)}=\frac{b}{sin(B)}=\frac{c}{sin(C)}\)

Let the starting point be A, hence the side opposite to the  angle = a = distance travelled in north east direction.

Let the point of 60° of northeast be B = 90° + (90° - 60°) = 120°, hence the side opposite to the  angle = b = resultant displacement = 8 km.

Let C be the endpoint, hence the side opposite to the  angle = c = distance travelled north = 5 km

Using sine rule:

\(\frac{b}{sin(B)}=\frac{c}{sin(C)} \\\\\frac{8}{sin(120)}=\frac{5}{sin(C)} \\\\sin(C)=\frac{5*sin(120)}{8} =0.5412\\\\C=sin^{-1}(0.5412)=32.8^o\\\\\)

∠A + ∠B + ∠C = 180° (sum of angle in a triangle)

∠A + 120 + 32.8 = 180

∠A = 27.2°

\(\frac{b}{sin(B)}=\frac{a}{sin(A)} \\\\\frac{8}{sin(120)}=\frac{a}{sin(27.2)} \\\\a=\frac{8*sin(27.2)}{sin(120)} \\\\a=4.2\ km\)

Therefore she travelled 4.2 km in the north east direction

We may infer that heat moves from the hottest item to the coldest one from the definition of the first law of thermodynamics.

What is inside a refrigerator is a refrigerant that is moving through a few heat exchangers while being propelled by pumps. This allows heat to be exchanged between a "Hot" tank and transported to a specific location before being ejected and returning to take in additional heat. In this manner, heat is transferred from a hot zone to a cold one by the refrigerant, and heat also enters the hot region. The heat from the interior flows outward because the heat extracted is higher than the heat of the medium.

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Answer:

1). Brake pedal or lever

2). A pushrod also called an actuating rod

\(\boxed{\sf v^2-u^2=2gh}\)

\(\\ \sf\longmapsto h=\dfrac{v^2-u^2}{2g}\)

\(\\ \sf\longmapsto h=\dfrac{0^2-15.5^2}{2(10)}\)

\(\\ \sf\longmapsto h=\dfrac{240.25}{20}\)

\(\\ \sf\longmapsto h=12.012m\)

Oil is optically denser than water. When sound/light goes from optically denser medium to optically rarer medium, their velocity increase and they moves away for normal.

The sound wave speeds up and bends

\( \Large{ \underline{ \boxed{ \pink{ \bf{Option \: (D)}}}}}\)

As, In optics we learnt that light undergoes refraction when travels from medium of different densities. Similarly, Sound also follows the law of refraction.

━━━━━━━━━━━━━━━━━━━━

Answer:

the sound wave slows down and bends

Explanation:

a p e x

∃x ∀y P(x, y) is equivalent to ∀y ∃x P(x, y), where P(x, y) is a predicate involving variables x and y.

To demonstrate that the two statements are equivalent, let's break down their meanings:

∃x ∀y P(x, y) means "There exists an x such that for all y, P(x, y) is true."

∀y ∃x P(x, y) means "For all y, there exists an x such that P(x, y) is true."

To show their equivalence, we need to prove that if one statement is true, the other is also true, and vice versa.

Assume ∃x ∀y P(x, y) is true. This means that there exists at least one value of x such that for all possible values of y, P(x, y) is true. Now, let's consider the statement ∀y ∃x P(x, y).

Since the quantifiers are swapped, it states that for all possible values of y, there exists at least one value of x such that P(x, y) is true.

This is essentially the same as the original statement, where we have one x value that satisfies the predicate for all y values. Therefore, if ∃x ∀y P(x, y) is true, then ∀y ∃x P(x, y) is also true.

Conversely, assume ∀y ∃x P(x, y) is true. This means that for all possible values of y, there exists at least one value of x such that P(x, y) is true. Now, let's consider the statement ∃x ∀y P(x, y).

This statement states that there exists at least one value of x such that for all possible values of y, P(x, y) is true. Since we already know that for all y, there exists an x that satisfies the predicate, it is guaranteed that there exists at least one x value that satisfies the predicate for all y values. Hence, if ∀y ∃x P(x, y) is true, then ∃x ∀y P(x, y) is also true.

The statements ∃x ∀y P(x, y) and ∀y ∃x P(x, y) are equivalent. Swapping the order of the quantifiers does not change the overall meaning of the statement.

Both statements assert the existence of an x value that satisfies a predicate for all possible y values, albeit with a different syntactic structure.

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Cp=88.15J/mol.K is the molar heat capacity of the substance T is the temperature of the substance in kelvin ΔH=62.626kJ is the enthalpy change of the substance ΔSTe=141.32J/mol.

K is the change in entropy of the substance. The formula for calculating the equilibrium temperature for equation (1) can be given as:ΔH=ΔSTe*TFor the given values of ΔH and ΔSTe, we can calculate the value of temperature T as

:T=ΔH/ΔSTeT=62.626kJ/141.32J/mol.K = 442.87K = 169.72°C.

The calculated temperature is in degrees Celsius. We need to convert this to Kelvin by adding 273.15 to it.

Therefore,T=169.72+273.15 = 442.87K = 140°C

The molar heat capacity Cp is the amount of heat required to raise the temperature of one mole of a substance by one kelvin. The value of Cp depends on the nature of the substance and can be measured experimentally. In this case, Cp=88.15J/mol.K for the substance is given.The temperature of the substance is denoted by T and is given in kelvin.

The enthalpy change of the substance is denoted by ΔH and is given as 62.626kJ. Enthalpy is a measure of the heat released or absorbed during a chemical reaction. The change in entropy of the substance is denoted by ΔSTe and is given as 141.32J/mol.K. Entropy is a measure of the disorder of a system.

The formula for calculating the equilibrium temperature for equation (1) can be given as:ΔH=ΔSTe*T.

This formula relates the enthalpy change of the substance to the change in entropy of the substance and the temperature at which the reaction occurs.

The equilibrium temperature is the temperature at which the forward and reverse reactions occur at the same rate. This is the temperature at which the system is in equilibrium.

If the temperature is below the equilibrium temperature, the forward reaction is favored and if the temperature is above the equilibrium temperature, the reverse reaction is favored.

The calculated temperature is in degrees Celsius. We need to convert this to Kelvin by adding 273.15 to it. Therefore,T=169.72+273.15 = 442.87K = 140°C

Therefore, the equilibrium temperature for equation (1) is 140°C or 442.87K. This temperature is the temperature at which the forward and reverse reactions occur at the same rate.

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Answer:

1st

Explanation:

It is because the horse is heavier

Answer:

18 degrees Celsius is equivalent to 64.4 degrees Fahrenheit.

Explanation:

To convert Celsius to Fahrenheit by using the formula

: (°C x 1.8) + 32 = °F

18 °C = 64.4 °F . Fahrenheit is a temperature scale created by German physicist Daniel Gabriel Fahrenheit in 1724.

What is Fahrenheit?

On this scale, temperature is measured by the expansion of a liquid, specifically a mercury-in-glass thermometer. The scale is based on three fixed points: the freezing point of pure water is defined as 32°F and the boiling point of pure water is defined as 212°F. The third point, 96°F, was determined to be body temperature. On the Fahrenheit scale, the difference between the freezing point and the boiling point of water is 180°F. There are 180 intervals between the two fixed points, and each interval is one degree.

The degree Fahrenheit (°F) is the most commonly used unit of temperature in the United States. 18 x (9/5) + 32 = 64.4°F

Therefore,  18 °C = 64.4 °F

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Answer:

38500

Explanation:

I looked it up so it may be wrong

Answer:

the charges get closer together

Answer:

Explanation:

Hope this helps!

Answer:

a. constructive interference

Explanation:

100% correct

One of the four mentioned is not a plate boundary is b. insurgent.

Plate tectonics is the theory that explains the movement of Earth's lithosphere, which is composed of large plates that glide over the mantle. The plates are separated by three types of plate boundaries: divergent, convergent, and transform. Transform boundary is where two plates slide past one another in opposite directions, either horizontally or diagonally. The San Andreas Fault is a well-known example of a transform boundary. Divergent boundaries are where two plates pull away from each other and new crust is created.

The Mid-Atlantic Ridge is an example of a divergent boundary and convergent boundary is where two plates move towards each other and one plate gets consumed or goes under the other. The Himalayas were created as a result of the collision of two convergent plates, the term insurgent is not used in plate tectonics. The correct term that describes the three main types of plate boundaries is not insurgent but instead transform, divergent, and convergent boundaries. So the correct answer is b. insurgent.

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The man is too far away from the barn for the snowball to reach him.

The way to determine if the man will be hit by the snowball is by calculating the distance between the man and the barn. The man is standing 4.0 meters away from the edge of the barn, which is too far for the snowball to reach. The man's height of 1.9 meters is taken into account, as the snowball would have to travel a greater distance than that to hit him. Based on this calculation, it is determined that the man is safe from the snowball and will not be hit.

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He's accelerating at 3 m/s² .  That means his speed is increasing by 3 m/s every second.At the end of 8 seconds, his speed is (8 x 3 m/s)  =  24 m/s .He's been moving south for the whole 8 seconds.So at the end of that time, his velocity is                          24 m/s south .

The potential impacts of global climate change on thermohaline circulation in the oceans is increasing the rate of circulation. That is option D.

The thermohaline circulation is defined as the process by which deep-ocean currents are driven by differences in the water's density, which is controlled by temperature (thermo) and salinity (haline).

When there is global climate change increased temperature of water masses would cause these currents to flow faster given the higher kinetic energy of the water molecules.

Therefore, there is increase in rate of circulation when there is global climate change.

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Answer: Sun

Explanation:

Pretty sure it's the sun because the others can't generate electrical energy

The beyond-use-date for a solution would be 1/2020. The beyond-use-date for the solution containing water would be determined by the ingredient with the earliest expiration date, which is Ingredient B with an expiration date of 1/2020.

To determine the beyond-use-date for the solution, we need to identify the ingredient with the earliest expiration date. The beyond-use-date should not extend beyond the expiration date of any of the active ingredients.

Ingredient A: Expiration date 10/2025

Ingredient B: Expiration date 1/2020

Ingredient C: Expiration date 3/2021

Since Ingredient B has the earliest expiration date (1/2020), the beyond-use-date for the solution cannot exceed this date. Therefore, the beyond-use-date for the solution containing water would be 1/2020.

The beyond-use-date for the solution would be determined by the ingredient with the earliest expiration date, which in this case is Ingredient B with an expiration date of 1/2020. It is important to adhere to the expiration dates of the active ingredients to ensure the effectiveness and safety of the solution. Beyond-use-dates are crucial for maintaining the quality and stability of pharmaceutical preparations and should be followed to minimize the risk of degradation or loss of potency.

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