does the amplitude of an lc circuit change after adding a resistance r to the circuit? if yes, how? if no, why not?

the magnitude of the magnetic field midway between the two wires is 5.0 × 10−5 T. Hence, option (B) is the correct answer.

Given data:

Two long parallel wires carry currents of 20 A and 5.0 A in opposite directions.

The wires are separated by 0.20 m.The magnetic field midway between the two wires is to be determined.Formula used:

B = (μ₀ * I * i)/(2πd)

Where,B is the magnetic field at the midpoint between two wires,μ₀ is the permeability of free space, which is equal to 4π × 10−7 T∙

m/ I is the current in the first wire, and i is the current in the second wire.d is the separation between the two wires.

Substitute the given values into the above formula,

B = (μ₀ * I * i)/(2πd) = (4π × 10−7 T∙m/A * 20 A * 5 A)/(2π * 0.20 m) = 5.0 × 10−5 T

Therefore, the magnitude of the magnetic field midway between the two wires is 5.0 × 10−5 T. Hence, option (B) is the correct answer.

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Answer:

The correct answer is - radiant.

Explanation:

Electromagnetic waves are the transverse waves that get energy as radiation from the source and transfer to an absorber so, the radiant energy is the energy of electromagnetic waves.

Electromagnetic waves are can travel in space unlike mechanical waves and are made up of photons, tiny packets of energy. Electromagnetic waves or spectra include radio waves, infrared, light, microwaves, UV, X-rays, and gamma rays.

The electric field strength at a distance of 1.20 m on the x-axis is -1.5 × 10⁴ N/C.

To find the electric field strength at a distance 1.20 m on the x-axis, we can use Coulomb's law:

\($$F=k\frac{q_1q_2}{r^2}$$\)

where F is the force between two charges, q1 and q2 are the magnitudes of the charges, r is the distance between the charges, and k is the Coulomb constant.For a single point charge q located at the origin of the x-axis, the electric field E at a distance r is given by:

\($$E=\frac{kq}{r^2}$$\)  where k is the Coulomb constant.

So, let's calculate the electric field due to each charge separately and then add them up:

For the +2.0 C charge at x = 0, the electric field at a distance of 1.20 m is:\($$E_1=\frac{kq_1}{r^2}=\frac{(9\times10^9)(2.0)}{(1.2)^2}N/C$$\)

For the -3.0 C charge at x = 0.40 m, the electric field at a distance of 1.20 m is:

\($$E_2=\frac{kq_2}{r^2}\)

\(=\frac{(9\times10^9)(-3.0)}{(1.20-0.40)^2}N/C$$\)

The negative sign indicates that the direction of the electric field is opposite to that of the positive charge at x = 0.

To find the net electric field, we add the two electric fields\(:$$E_{net}=E_1+E_2$$\)

Substituting the values of E1 and E2:

\($$E_{net}=\frac{(9\times10^9)(2.0)}{(1.2)^2}-\frac{(9\times10^9)(3.0)}{(0.8)^2}N/C$$E\)

net comes out to be -1.5×10⁴ N/C.

Therefore, the electric field strength at a distance of 1.20 m on the x-axis is -1.5 × 10⁴ N/C.

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The longitude of the lost ship, assuming solar noon at the location and a time of 12:30 AM at the Prime Meridian, would be approximately 7.5 W.

To determine the longitude, we can use the concept of solar time and the time difference between the location of the lost ship and the Prime Meridian. Solar time is based on the position of the Sun in the sky, and it varies as we move across different longitudes.

Given that it is solar noon at the lost ship's location, it means the Sun is directly overhead at that moment. However, at the Prime Meridian (Greenwich, England), the time is 12:30 AM. The time difference between the two locations is 12 hours and 30 minutes.

Since each hour corresponds to 15 degrees of longitude (360 degrees divided by 24 hours), we can calculate the longitude by dividing the time difference by 1 hour per 15 degrees. In this case, the time difference of 12 hours and 30 minutes corresponds to 7.5 hours, which translates to 7.5 times 15 degrees, resulting in a longitude of 112.5 degrees west or 7.5 W.

As for the second part of the question, if Lake Tahoe is located at 120 degrees west longitude and it is currently solar noon, we can determine the solar time at 15 degrees west longitude. Each degree of longitude corresponds to 4 minutes of time (360 degrees divided by 24 hours), so the time difference between 120 degrees west and 15 degrees west is 105 degrees.

Multiplying 105 degrees by 4 minutes gives us a time difference of 420 minutes. Adding this to the solar noon time (12:00 PM), we get a solar time of 7:00 PM at 15 degrees west longitude. Therefore, the solar time at 15 degrees W would be 7:00 PM.

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The preconnected hose load with hose folds laid into the hose bed in an S-shape is known as a "Minuteman Load."

A Minuteman load is a type of fire hose that is pre-connected and stored on a fire truck in a compact, organized manner. The hose is folded in an S-shape pattern and stored on the hose bed, which makes it easy for firefighters to access and deploy quickly in case of an emergency. The S-shape pattern helps prevent kinks and twists in the hose, which can slow down the flow of water and reduce the effectiveness of the firefighting effort. The compact storage also saves space on the fire truck and reduces the amount of time needed to deploy the hose. In addition, Minuteman loads are often made with high-quality materials that are resistant to abrasion, heat, and bchemicals, making them durable and long-lasting. Overall, the Minuteman load is a convenient and efficient way for firefighters to store and deploy fire hoses in the field.

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No, conversion of wood to sawdust is an irreversible change, because a block of wood after grounding into sawdust cannot be changed into the same block of wood

The behavior of the moment of inertia of the neutron star and that of the angular velocity of the star is The angular velocity increases.

angular speed is the time charge at which an object rotates or revolves approximately an axis. Angular speed is represented via the Greek letter omega (ω, on occasion Ω). it's far measured in perspective in keeping with unit time; as a result, the SI unit of angular pace is radians per 2nd.

In physics, angular speed or rotational pace (ω or Ω), also called angular frequency vector, is a pseudovector illustration of the way fast the angular position or orientation of an object changes with time (i.e. how quickly an item rotates or revolves relative to a point or axis). The value of the pseudovector represents the angular velocity, the charge at which the object rotates or revolves, and its course every day to the immediate aircraft of rotation or angular displacement. The orientation of angular pace is conventionally unique by the right-hand rule.

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Explanation:

We'll use the free fall formula, which is,

y = 0.5*g*t^2

where

In this case,

Note: The freefall assumes the object is not thrown down, and simply dropped (so initial velocity is 0).

So,

y = 0.5*g*t^2

y = 0.5*10*4^2

y = 0.5*10*16

y = 5*16

y = 80

The object has fallen about 80 meters. This value is approximate because g = 10 is approximate. Use g = 9.81 for a more accurate value (though even then this value of g isn't exact either). In this case, your teacher has opted to use g = 10.

Another reason why 80 meters is an approximate value is because we haven't accounted for air resistance. As the object falls through the air, the air particles push up and resist the movement of the falling object, and therefore slow it down. Think of a parachute. For entry level physics courses, you'll ignore air resistance as it greatly complicates the problem. Though it's handy to keep it in mind for later physics courses down the road.

Answer:

A

Explanation:

When you dropping the swing, it increases the kinetic energy. In the middle, that is when it is at it's fullest potential. As it makes its way up, it pushes again the gravitational force, and soon, the swing will stop at the top for a VERY SHORT AND SMALL period of time. That is when it is at it's very weakest point, making the answer, indeed, A.

Answer: Radio waves

Explanation:

Radio waves can travel through space. So, if you're wearing a space suit that contains a radio unit and one of your buddies sends you a radio message that there's pizza in the space station, you'd be able to hear it. That's because radio waves aren't mechanical -- they're electromagnetic. Electromagnetic waves can transmit energy through a vacuum.

Acceleration will increase as the angle of incline does, and as a result, force will as well.

The gravitational force acting on the cart increases as the slope of the incline increases, causing it to accelerate more quickly.The ramp's steepness will cause an increase in inclination. As a result, the acceleration increases as the inclination angle increases. This acceleration causes the object to descend with greater speed.

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Answer:

d = s • t

3m/s • 45s and and the seconds will cancel out.

135 meters

Answer:

velocity=3m/s

time=45sec

displacement=?

Explanation:

we have

velocity=displacement/time

3m/s=displacement/45

displacement=3×45=135m

Mikel runs 135m far.

Answer:

biking

Explanation:

To make the Bike move you peddle with your legs.

Answer:

Oxygen in a container can be made to be at a high pressure through a process called compression. In this process, the oxygen is forced into a smaller volume, which increases the pressure. This can be done using a compressor, which is a machine that uses a piston or other device to compress the oxygen. The compressed oxygen is then stored in a container, such as a cylinder, at high pressure until it is ready to be used. It is important to handle compressed oxygen with care, as it can be dangerous if not handled properly.

The correct option is C, The measure of angle L in parallelogram LMNO is ∠MLO =∠L = 3 x 20 - 20 = 40° .

∠MNO = ∠MLO

so

(2x)° = (3x-20)°

2x = 3x -20

x = 20°

A parallelogram means that opposite sides are parallel and congruent, and opposite angles are also congruent. Parallelograms have several properties that make them useful in geometry and trigonometry, such as the fact that the opposite sides are equal in length and that the diagonals bisect each other.

There are several types of parallelograms, including rectangles, squares, and rhombuses. Rectangles have all right angles and equal diagonals, while squares have all equal sides and angles. Rhombuses have equal sides but not necessarily right angles, and their diagonals bisect each other at right angles. Parallelograms can be used in a variety of applications, such as in construction, engineering, and architecture. They are also used in mathematical proofs and theorems, such as the Parallelogram Law of Vector Addition.

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Complete Question:-

What is the measure of angle L in parallelogram LMNO?

a. 20°

b. 30°

c. 40°

d. 50°

The correct answer is(b). There is a physical change from the solid state to a gas state where energy between the molecules increases.

During sublimation, carbon dioxide transitions directly from the solid state (dry ice) to the gas state without passing through the liquid phase. In this process, individual molecules of carbon dioxide gain energy from the surroundings, leading to an increase in their kinetic energy and molecular movement.

As a result, the carbon dioxide molecules separate from each other and form a gas. This phase change is considered a physical change rather than a chemical change since the chemical composition of carbon dioxide remains the same throughout the process.

Therefore, the sublimation of carbon dioxide results in a physical change where the molecules transition from the solid state to the gas state, gaining energy and increasing their molecular movement.

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Answer:

There will be a phase change at the first interface and no phase change at the second interface:

If the film is 1/4 wavelength thick this restriction will hold

The wavelength of the light in oil is 545 nm / 1.45 = 376 nm

376 nm / 4 = 94 nm

"D" is correct

The current the resistors in series are the same but their voltage will be different. In the case of parallel resistors the voltage will be the same and current will be different.

Resistance in a circuit is the hindrance to current . According to Ohm's law, resistance is the ratio of voltage to the current.

In a series circuit all the components are connected in series. Whereas in a parallel circuit the components are connected in parallel.

In a series circuit the output current from one resistance is the input current of the next resistor. Hence, current through all resistors are the same but their voltage differs.

Thus, total resistance R = R1 + R2 + R3 + …

In parallel circuits all the resistors have the same voltage but they differ in current.

then the total resistance R = 1/R1 + 1/R2 + 1/R3 + ..

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Using mirror's equation, The smallest diameter mirror in which the observer can just see the reflected edge of the coin is 6 cm.

We must compute the size of the mirror's produced image in order to identify the lowest diameter mirror that would allow the spectator to just view the coin's reflected edge.

We must first determine how far the picture is from the mirror. In order to compute this, use the mirror equation:

\(\frac{1}{f} = \frac{1}{d} + \frac{1}{d'}\)

where f is the mirror's focal length, d and d' are the object's and image's distances from the mirror, respectively.

Since the mirror is flat, the focal length is determined by dividing the radius in half. Therefore, we may apply the formula:

\(f = \frac{R}{2}\)

This results from substituting it into the mirror equation:

\(\frac{2}{R} = \frac{1}{3} + \frac{1}{d'}\)

Calculating d':

\(d' = \frac{3R}{ (R-6) (R-6)}\)

The mirror's diameter, D, is equal to 2R. As a result, the minimal diameter of the mirror, at which the spectator can only see the coin's edge reflected, can be calculated as follows:

\(D = 2R = \frac{2d' (R - 6)}{ 3}\)

d' = 9, thus we can condense it to:

D = 18 / 3 = 6 cm

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If a cardiac defibrillator can be modeled as a parallel plate capacitor with a capacitance of 0.5 mF and is charged to a voltage of 2 kV, then the energy stored in the defibrillator is 1 J.

The energy stored in a capacitor can be calculated using the formula E = 0.5 * C * V^2, where E is the energy stored, C is the capacitance, and V is the voltage across the capacitor. Substituting the given values,

E = 0.5 * 0.5 mF * (2 kV)^2

Converting 2 kV to volts gives 2000 V,

E = 0.5 * 0.5 mF * (2000 V)^2

Simplifying,

E = 0.5 * 0.5 * 10^-6 F * 4 * 10^6 V^2

E = 1 J

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An atom with great electronegativity is able to attract electrons towards itself in a chemical bond. This means that it is able to form strong covalent bonds with other atoms, and can also participate in ionic bonding by attracting electrons away from other atoms.

Additionally, an atom with high electronegativity is able to exert a greater degree of control over the distribution of charge within a molecule, making it an important factor in determining the overall reactivity and behavior of the molecule.

Electronegativity is a measure of an atom's ability to attract electrons towards itself when it is part of a chemical bond. In other words, it is a measure of an atom's ability to pull electrons away from other atoms in a molecule. Electronegativity is an important concept in chemistry, as it helps predict how atoms will behave in chemical reactions.

Electronegativity is typically measured on a scale called the Pauling scale, named after the American chemist Linus Pauling. The scale ranges from 0.7 (for the least electronegative element, francium) to 4.0 (for the most electronegative element, fluorine). Elements towards the right side of the periodic table, such as the halogens and oxygen, are generally more electronegative than elements towards the left side, such as the alkali metals.

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Answer:

A hydraulic press works on the principle of Pascal's law, which states that when pressure is applied to a confined fluid, the pressure change occurs throughout the entire fluid. Within the hydraulic press, there is a piston that works as a pump, that provides a modest mechanical force to a small area of the sample.

not my answer but i hope it helps

Explanation:

Answer:

C

Explanation:

There are '3'   CO3' S      3 x 3 = 9  oXYGEN ATOMS

The total number of oxygen atoms indicated by the formula Fe₂(CO₃)₃ is 9. Hence, option (c) is correct.

A chemical formula is a way to describe the chemical ratios of the atoms that make up a specific chemical compound or molecule in chemistry. Chemical element symbols, numbers, and occasionally other symbols, such as parentheses, dashes, brackets, commas, and plus (+) and minus (-) signs, are used to represent the chemical elements.

These can only include one typographic line of symbols, which may also include subscripts and superscripts. A chemical formula has no words and is not the same as the chemical name.

Given  chemical formula is:  Fe₂(CO₃)₃.

The total number of oxygen atoms in the formula = 3×3 = 9.

Hence option (c) is correct.

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The speed of the object after 1 second and 2 seconds is 9.8 m/s and 19.6 m/s respectively.

The equation of motion to be used for calculation of velocity is -

v = u + at, where v and u are final and initial velocity, a is acceleration and t refers to time. Keep the value for each case to find the final velocity. The value of a will be acceleration due to gravity which is 9.8 m/s².

After 1 second

v = 0 + 9.8 × 1

v = 9.8 m/s.

After 2 seconds

v = 0 + 9.8 × 2

v = 19.6 m/s.

Hence, the required velocities are 9.8 and 19.6 m/s.

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The correct answer is transmission, term describes the process by which light passes through an object or a medium is called transmission.

The experience of light is crucial to human life. Because of the sun's light, we can grow the food we eat, and we can also see because when we view anything, a particular wavelength of light is reflecting off the thing and reaching our eye. Even an object's color is influenced by light. But how does light move, and how does it interact with things once it gets there? What happens to light as it strikes objects around us will be covered in this session.

The tiny particles that make up light are known as photons. Due of their dual behavior as a particle and a wave, photons are incredibly intriguing.

A mirror reflects light when it is shone upon it, much like a bouncing ball or any other particle might. Imagine shining a light through a keyhole so that it illuminates the entire space rather than just a small portion of it, as a laser would. Similarly, if someone shouted through that keyhole, it would be heard across the entire room, not only in that one area. Since sound is also a wave, this is also how light behaves as both a wave and a particle.

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Most helpful Answer~

There are no options~

Anyway If the ball is of bad quality it will get deflated/ or strike out.

' The must reasonable thing that could happen is that the ball will bounce'

*Smile* :)  

The right upper quadrant of the body contains the liver, which would produce a dull percussion noise.

What is midclavicular line?

The midclavicular line is one of the surface reference lines used in the surface anatomy of the thorax.

Midway through the clavicle's body, a parasagittal vertical plane pierces the bone. While the lateral section of the clavicle is situated near to the highest point of the shoulder joint, the head (medial aspect) lies just lateral to the jugular notch of the sternum, a depression in the superior area of the sternal manubrium (the acromioclavicular joint).

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A(n) closed system is one in which energy moves freely in and out, but no matter enters or leaves the system.

You can have an open or closed system: A system that is totally cut off from its surroundings is referred to as a closed system. We have opted to adopt this definition because it is one that is frequently used in the system literature.

A closed system is one that only permits the transfer of energy within or outside the system but not the transport of matter. For instance, a beaker of evaporating water with a closed top permits the flow of energy to the environment but prevents the evaporation of (matter) water.

closed systems are also referred to as systems that don't allow anything other than energy to enter or exit. A closed water bottle functions as a closed system in this instance.

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Answer:

60m/s

Explanation:

v=frequency ×wave length

v signifies the speed

The speed of a wave is the product of its frequency and wavelength. Hence the speed of the wave with a frequency of 20 Hz and 30 cm wavelength is 0.6 m/s.

Frequency of a wave is the number of wave cycles  produced at unit time. Thus it has the unit of s⁻¹ which is equivalent hertz Hz.

Wavelength of a wave is the distance it travels in a wave cycle or for a transverse wave the distance between two consecutive crests or troughs is called wavelength.

The relation between frequency v, wavelength \(\lambda\) and speed of a wave c is written as below:

\(c = v \lambda\)

By this expression it is clear that the speed of increases with frequecy and wavelength.

The frequency of the given vibrational source is 20 Hz and the wavelength is 3 cm or 0.03 m. Hence, the speed of the wave is calculates as follows:

c = 20 Hz × 0.3 m

  = 0.6 m/s.

Therefore, the speed of the wave is 0.6 m/s.

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