What's relationship between particle motion and density

Answer:

\(q_1=\pm0.03 \mu C\) and \(q_2=\pm0.02 \mu C.\)

Explanation:

According to Coulomb's law, the magnitude of  force between two point object having change \(q_1\) and \(q_2\) and by a dicstanced is

\(F_c=\frac{1}{4\pi\spsilon_0}\frac{q_1q_2}{d^2}-\;\cdots(i)\)

Where, \(\epsilon_0\) is the permitivity of free space and

\(\frac{1}{4\pi\spsilon_0}=9\times10^9\) in SI unit.

Before  dcollision:

Charges on both the sphere are \(q_1\) and \(q_2\), d=20cm=0.2m, and \(F_c=1.35\times10^{-4}\) N

So, from equation (i)

\(1.35\times10^{-4}=9\times10^9\frac{q_1q_2}{(0.2)^2}\)

\(\Rightarrow q_1q_2=6\times10^{-16}\;\cdots(ii)\)

After dcollision: Each ephere have same charge, as at the time of collision there was contach and due to this charge get redistributed which made the charge density equal for both the sphere t. So, both have equal amount of charhe as both are identical.

Charges on both the sphere are mean of total charge, i.e

\(\frac{q_1+q_2}{2}\)

d=20cm=0.2m, and \(F_c=1.406\times10^{-4}\) N

So, from equation (i)

\(1.406\times10^{-4}=9\times10^9\frac{\left(\frac{q_1+q_2}{2}\right)^2}{(0.2)^2}\)

\(\Rightarrow (q_1+q_2)^2=2.50\times10^{-15}\)

\(\Rightarrow q_1+q_2=\pm5\times 10^{-8}\)

As given that the force is repulsive, so both the sphere have the same nature of charge, either positive or negative, so, here take the magnitude of the charge.

\(\Rightarrow q_1+q_2=5\times 10^{-8}\;\cdots(iii)\)

\(\Rightarrow q_1=5\times 10^{-8}-q_2\)

The equation (ii) become:

\((5\times 10^{-8}-q_2)q_2=6\times10^{-16}\)

\(\Rightarrow -(q_2)^2+5\times 10^{-8}q_2-6\times10^{-16}=0\)

\(\Rightarrow q_2=3\times10^{-8}, 2\times10^{-8}\)

From equation (iii)

\(q_1=2\times10^{-8}, 3\times10^{-8}\)

So, the magnitude of initial charges on both the sphere are \(3\times10^{-8}\) Coulombs\(=0.03 \mu C\) and \(2\times10^{-8}\) Colombs or \(0.02 \mu C\).

Considerion the nature of charges too,

\(q_1=\pm0.03 \mu C\) and \(q_2=\pm0.02 \mu C.\)

When a motor is turned, it acts as a generator and produces voltage. This phenomenon, known as electromagnetic induction, is based on Faraday's law of electromagnetic induction.

The generation of voltage in a motor, even when it is not connected to a power supply, is due to electromagnetic induction. This principle was discovered by Michael Faraday and is known as Faraday's law of electromagnetic induction. According to this law, when a conductor (in this case, the motor's windings) is exposed to a changing magnetic field, an electromotive force (EMF) or voltage is induced in the conductor.

In a motor, there are permanent magnets or electromagnets that create a magnetic field. When the motor is turned, either by an external force or by hand, the rotor and the windings inside the motor rotate. As the rotor spins, the magnetic field within the motor changes, causing the magnetic lines of force to cut across the windings. This movement of the magnetic field induces a voltage in the windings through electromagnetic induction.

The generated voltage can be tapped from the motor's terminals and used to power external devices, such as lights or small electronic circuits. Alternatively, it can be stored in a capacitor or a battery for later use when the motor is no longer turning. This phenomenon allows for the conversion of mechanical energy into electrical energy, demonstrating the dual functionality of a motor as both a consumer and a generator of electrical power.

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The solar constant of 1367 W/m2 means the whole Earth receives an energy input of 1.7 x 10^17 W. Assuming the Earth is in equilibrium, this energy is balanced by an outgoing energy flux of the same amount. With an average emissivity of 1.0, this flux corresponds to a temperature of 255 K (or -18°C).

Equilibrium is the state in which opposing forces or influences are balanced. This applies to a variety of fields including economics, chemistry, and physics. In economics, equilibrium is the point where the amount of goods and services supplied are equal to the amount of goods and services that are demanded.

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the equation of the plane passing through the point (2, 1, 3) and perpendicular to the plane 3x - 2y + z = 6 is 3x - 2y + z = 7.

To find the equation of a plane passing through the point P(x, y, z) = (2, 1, 3) and perpendicular to the plane 3x - 2y + z = 6, follow these steps:

Write the equation of the given plane in general form: 3x - 2y + z - 6 = 0.

Identify the coefficients of x, y, and z in the general form equation. These coefficients give us the components of the normal vector to the plane. In this case, the normal vector is N(3, -2, 1).

Use the formula for the equation of a plane: N·(r - P) = 0, where N is the normal vector, P is the given point, and r = (x, y, z).

Substitute the values N = (3, -2, 1), P = (2, 1, 3), and r = (x, y, z) into the equation.

(3, -2, 1)·(x - 2, y - 1, z - 3) = 0

Expand and simplify the equation:

3(x - 2) - 2(y - 1) + (z - 3) = 0

3x - 6 - 2y + 2 + z - 3 = 0

3x - 2y + z = 7

Therefore, the equation of the plane passing through the point (2, 1, 3) and perpendicular to the plane 3x - 2y + z = 6 is 3x - 2y + z = 7.

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Answer:

1.5 A

Explanation:

Applying

V = IR'....................... Equation 1

make I the subject of the equation

I = V/R'.................. Equation 2

Where V = Voltage, I = current, R' = Total resistance.

From the question,

In a series connection,

R' = 0.2+0.3+0.5+5 = 6 ohm.

Given: V = 9V

Substitute into equation 2

I = 9/6

I = 1.5 A.

Note: Since all the resistors are connected in series, thesame current flows through them

Therefore the current flowing through the 5 ohm resistor = 1.5 A

The total distance covered is 100m and displacement is 60m

The area under curve(a1)=1/2×b×h

=1/2×6×20

=60m

The area under curve(a2)=1/2×b×h

=1/2×2×10

=20m

The area under curve(a3)=l×b

=2×10

20m

∴The total distance covered=a1+a2+a3

=(60+20+20)m

=100m

∴The displacement=a1-a2+a3

=(60-20+20)m

=60m

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Craig brings a compass near a wire that has an electric current for the discovery of electromagnetism. Option D is correct.

The physical interplay of electric charges, magnetic moments, and the electromagnetic field is known as electromagnetism.

The electromagnetic field can be static, moving slowly, or forming waves. Electromagnetic waves are commonly referred to as light and are subject to optics laws.

The Earth's inherent magnetic fields are detected with the help of a compass. Because of gravity force, the Earth's iron core is a mixture of liquid and solid crystal.

The magnetic force of the Earth is thought to be generated by movement in the liquid outer core.

Craig brings a compass near a wire that has an electric current for the discovery of electromagnetism.

Hence, option D is correct.

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Sibling relationships are thought to be so important because they often provide a lifelong source of emotional support and social learning.

Siblings are often the longest lasting relationships in a person's life, and they can provide a sense of emotional support throughout one's life. Siblings also play a significant role in social learning, as they provide a natural context for children to learn social skills such as conflict resolution, negotiation, and communication.

Additionally, siblings may share similar experiences and understandings due to their shared upbringing, which can lead to a strong bond. Overall, sibling relationships are thought to be important due to their potential for lifelong support and social learning.

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From the given options let's select the example which shows a conceptual model.

A conceptual model can be said to be a model which shows an abstract representation of any concept which can be visualized or imagined than other models.

It is a model which the designers want users to understand.

From the list, the best option which is an example of a conceptual model is a mental image of gas molecules as tiny balls.

Let's say, for example, you imagine or have a mental picture of gas molecules using your imagination, it helps to understand how a vacuum system works and you can easily solve the problem if something goes wrong.

Therefore, the example of a conceptual model is:

A mental image of gas molecules as tiny balls.

• ANSWER:

A. mental image of gas molecules as tiny balls

Answer:

any object that has density more than 1.4

Explanation:

The object that has density more than 1.4 is denser than the honey

(a) The final angular velocity of the flywheel after 3 complete revolutions is 4.96 rad/s.

(b) The time taken for the flywheel to make 3 complete revolutions is 5.93 s.

The final angular velocity of the flywheel after 3 complete revolutions is determined by applying third kinematic equation as shown below;

θ = 2π (rad/rev) x (3 rev) = 18.85 rad

ωf² = ωi² + 2αθ

ωf² = (1.4)² + 2(0.6)(18.85)

ωf² = 24.58

ωf = √24.58

ωf = 4.96 rad/s

The time taken for the flywheel to make 3 complete revolutions is calculated as follows;

ωf = ωi + αt

t = (ωf  - ωi)/α

t = (4.96 - 1.4)/0.6

t = 5.93 s

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Therefore, the coefficient of friction between the block and the table is 0.0919.

So, we need to find the coefficient of friction between the block and the table.

The net force acting on the block is given as,

F = m block * a, Where, F = net force acting on the block m block = mass of the block, a = acceleration of the block.

Substitute the given values and solve for F.

We get,

F = 5.8 * 0.9F = 5.22 N.

The net force acting on the block is 5.22 N.

Therefore, the force of friction acting on the block will also be 5.22 N.

The force of friction is given as, f = μN where, f = force of frictionμ = coefficient of friction N = normal force acting on the block. The normal force acting on the block is equal to the weight of the block and the hanging mass.

N = m block * g

N = 5.8 * 9.8

N = 56.84 N.

Substitute the given values and solve for μ.

We get,

5.22 = μ * 56.84

μ = 5.22 / 56.84

μ = 0.0919

The coefficient of friction between the block and the table A 5.8-kg concrete block is at rest on a level table, and a 3.2-kg mass is attached to the block by a string passing over a light, frictionless pulley. The acceleration of the block is measured to be 0.9 m/s2.

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Answer:

A. Her funding was from a source that could profit from the results.

Explanation:

GOT IT RIGHT

Answer:

Presidents use the same criteria: legal expertise, party affiliation, philosophy, an da sense of the acceptability to the Senate. Define majority opinion, concurring opinion, and dissenting opinion.

Explanation:

According to the given statement , the fluid relative velocity at the interface between the two plates is approximately 0.684 m/s.

To find the fluid relative velocity at the interface between the two plates, we can use the concept of shear rate and the formula for the velocity gradient.

First, let's calculate the shear rate (γ) using the formula:

γ = Δv / Δx

Where:
- Δv is the velocity difference between the two plates, which is given as 1.3 m/s (since the upper plate has a speed of 1.3 m/s at the interface).
- Δx is the distance between the two plates, which is the sum of the thicknesses of the two fluid layers:

Δx = L1 + L2.

Given that L1 = 0.62 mm and L2 = 0.56 mm, we need to convert these values to meters:

L1 = 0.62 mm = 0.62 × 10⁻³ m
L2 = 0.56 mm = 0.56 × 10⁻³ m

Now we can calculate Δx:

Δx = L1 + L2

Substituting the values, we get:

Δx = 0.62 × 10⁻³ m + 0.56 × 10⁻³ m
   = 1.18 × 10⁻³ m

Now we can calculate the shear rate:

γ = Δv / Δx
  = 1.3 m/s / 1.18 × 10⁻³ m

Performing the division, we find:

γ ≈ 1101.7 s^-1

The shear rate (γ) represents the velocity gradient between the two fluid layers. To find the fluid relative velocity at the interface, we need to multiply the shear rate by the thickness of the first layer (L1).

Relative Velocity = γ * L1

Substituting the values, we get:

Relative Velocity = 1101.7 s⁻¹ * 0.62 × 10⁻³ m

Performing the multiplication, we find:

Relative Velocity ≈ 0.684 m/s

Therefore, the fluid relative velocity at the interface between the two plates is approximately 0.684 m/s.

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One example of how humans impact global warming is G. heat emitted from factories, automobiles, and buildings increases the average global temperature.

These activities release greenhouse gases such as carbon dioxide, methane and nitrous oxide that trap heat in the atmosphere and cause the greenhouse effect. The result of the greenhouse effect is that the planet is warming at an alarming rate, which has led to a change in global weather patterns, rising sea levels, melting glaciers and ice caps, and increasing ocean acidification. This is due to the fact that burning fossil fuels, such as coal, oil, and natural gas, releases large amounts of carbon dioxide into the atmosphere.

Additionally, the manufacturing and use of products, including cars and buildings, can emit significant amounts of carbon dioxide and other greenhouse gases, this contributes to the overall greenhouse effect and global warming. By reducing carbon emissions through the use of clean and renewable energy sources, such as wind and solar power, and reducing the use of fossil fuels, humans can help to mitigate the impacts of global warming and slow the pace of climate change. So therefore the correct answer G. heat emitted from factories, automobiles, and buildings increases the average global temperature, is one example of how humans impact global warming.

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Answer:

Image result for what does and does not impact magnetic force?

The magnitude of the magnetic force between them depends on how much charge is in how much motion in each of the two objects and how far apart they are. The direction of the force depends on the relative directions of motion of the charge in each case

Explanation:

The factors that affect magnetic force are magnitude of the charge, speed, magnetic field and inclination of the field.

The magnetic force on a charged particle moving in a magnetic field is determined using the following formula;

F = qvBsin(θ)

where;

Thus, the factors that affect magnetic force are magnitude of the charge, speed, magnetic field and inclination of the field.

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Answer:

b

Explanation:

Answer is given below

Explanation:

Answer:

Mosquito Larve commonly called wigglers live in water from 4 to 14 days depending on water temperature

If two electrically charged objects repel each other, the statement that must be true is: the two objects have opposite electric charges. This indicates that one object is positively charged and the other is negatively charged. The other statements in the options are not necessarily true.

When two charged objects repel each other, it indicates that they have the same type of charge. According to the principle of electrical charge, objects with the same charge (either positive or negative) repel each other, while objects with opposite charges attract each other. Therefore, the statement that the two objects have opposite electric charges must be true in this scenario

If two electrically charged objects repel each other, the statement that must be true is: the two objects have opposite electric charges. This indicates that one object is positively charged and the other is  charged. The other statements in the options are not necessarily true.

When two charged objects repel each other, it indicates that they have the same type of charge. According to the principle of electrical charge, objects with the same charge (either positive or negative) repel each other, while objects with opposite charges attract each other. Therefore, the statement that the two objects have opposite electric charges must be true in this scenario.

The other statements in the options are not necessarily true. It is possible for one object to have more electrons and the other to have more protons, but it is not a requirement for the objects to repel each other. Similarly, while electrons can flow from one object to another when they touch (through a process known as electron transfer), this is not a determining factor for the repulsion between the objects. Lastly, the presence or absence of strong electrical fields does not directly determine the repulsion between the charged objects.

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Answer:

3.605551275463989

Explanation:

solve using Pythagorean theorem

Explanation:

Yes,  evidently, the process is consistent with the scientific process because in scientific process falsification and modification are two very important traits. So this new concept have modified the existing theories.

Through the modification a theory is adjusted without undermining other discovering made through the theory's prediction.

There are many other evidences that prove this fact for example Einstien's Theory of relativity also changes the existing concepts.

Explanation:

A concentrated solution has a relatively greater amount of solute to solvent than other solutions of the same solute and solvent. A diluted solution has a relatively smaller amount of solute than similar solutions.

We can use the thin lens equation to relate the distance of an object to its image formed by a lens. The thin lens equation is:

\(1/f = 1/d_o + 1/d_i\)

where:

f is the focal length of the lens

d_o is the distance from the object to the lens

d_i is the distance from the lens to the image

Let's assume that the height of the mountain is h, and the height of the image on the camera sensor is h'. Then, the ratio of the height of the mountain's image on the camera's image sensor for the second picture to its height on the image sensor for the first picture is:

\(h'_2/h'_1\)

We can use similar triangles to relate the object and image distances to the heights of the object and its image. The ratio of the heights is equal to the ratio of the image distance to the object distance:

\(h'/h = d_i/d_o\)

For the first picture, the object distance is d_o = 12 km = 12000 m, and the image distance can be found using the thin lens equation:

\(1/f = 1/d_o + 1/d_i\)

Solving for d_i, we get:

\(1/d_i = 1/f - 1/d_o\)

\(d_i = 1 / (1/0.050 - 1/12000)\)

\(d_i = 0.05 m\)

The ratio of the heights for the first picture is:

\(h'_1/h = d_i/d_o = 0.05m / 12000 m\)

\(h'_1/h = 4.16 \times 10^{-6}\)

For the second picture, the object distance is d_o = 5.8 km = 5800 m, and the image distance can be found using the thin lens equation as before:

\(1/f = 1/d_o + 1/d_i\)

\(1/d_i = 1/0.05 - 1/d_o\)

\(d_i = 0.05 m\)

The ratio of the heights for the second picture is:

\(h'_2/h = d_i/d_o = 0.05 mm / 5800 m\)

\(h'_2/h = 8.62 \times 10^{-6}\)

So the ratio of the height of the mountain's image on the camera's image sensor for the second picture to its height on the image sensor for the first picture is:

\(h'_2/h'_1 = (h'/h)_2 / (h'/h)_1\)

\(h'_2/h'_1 = (8.62 \times 10^{-6}) / (4.16 \times 10^{-6})\)

\(h'_2/h'_1 = 2.07\)

Therefore, the ratio of the height of the mountain's image on the camera's image sensor for the second picture to its height on the image sensor for the first picture is approximately 2.07.

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Answer:

it is d all of the above your welcome