What are the main differences between hard and soft magnetic materials in terms of hysteresis behavior and applications

Liquid density affects the buoyance of the object placed in it, since the ability of the object to float depends on the density of the liquid, the denser the liquid the more likely the object will float and vice versa.

Archimedes’ principle states that a body immersed in a fluid experiences an upward force which is equal to the weight of the fluid displaced.

The upward force experienced by an object in a liquid is known as buoyant force.

For Example;

An object which is denser than the liquid \((\rho_o > \rho_l)\) has a positive apparent weight and can sink in the liquid.

An object which is less dense than the liquid \((\rho_o < \rho_l)\) has a negative apparent weight and rises in the liquid.

When the weight of the object is equal to the upthrust \((\rho_o = \rho_l)\), the apparent weight will be zero and the object will float in the liquid. This is known as principle of floatation.

Thus, we can conclude that liquid density affects the buoyance of the object placed in it, since the ability of the object to float depends on the density of the liquid, the denser the liquid the more likely the object will float and vice versa.

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Answer:

Liquid density affects the buoyance of the object placed in it, since the ability of the object to float depends on the density of the liquid, the denser the liquid the more likely the object will float and vice versa.

Explanation:

The depiction of changing chemical compounds that best describes the flow of nitrogen from the atmosphere, through the nitrogen cycle, and back into the atmosphere is N2 → NH4+ → NO3- → N2

Ammonification: The formation of ammonia or its compounds from nitrogenous compounds, especially as a result of bacterial decomposition. It is given by this equation: N2 → NH4+

Nitrification: The biological oxidation of ammonia with oxygen into nitrite followed by the oxidation of these nitrites into nitrates. It is given by this equation: NH4+ → NO3-

De-nitrification: A microbially facilitated process of nitrate reduction that may ultimately produce molecular nitrogen (N2) through a series of intermediate gaseous nitrogen oxide products.

NO3- → N2

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Answer:

try this

Explanation:

The energy of a falling object when it hits the ground is equaled to the energy it starts with because the potential energy is converted into kinetic energy entirely with the height at 0. This means the energy would be 200 J.

RESULT

ANSWER

2304 mg

EXPLANATION

The rate is given in mg per minute. To find how much the brain's mass increases in one day we have to find how many minutes are in a day.

Assuming that a day has 24 hours and 1 hour has 60 minutes:

One day has 1440 minutes. Then, in one day the brain's mass increases:

The newborn baby's brain's mass increases 2304 mg in one day.

Answer:

1.28second

Explanation:

The speed of light is constant everywhere, it is

299,792,458m/s=299,792.458km/s

Therefore it takes

\( \frac{384000}{299792458} = 1.28sec\)

Answer:

216 units

Explanation:

F1 = kQ1Q2/r^2 = 36 (Coulomb's law)

F2 = k(2Q1)(3Q2)/r^2

= 6[kQ1Q2/r^2]

= 6F1

= 6 x 36

= 216 units

CR​ < CY​ < CB​

The factors which affect the critical angle are

(a) The colour (or wavelength) of light

(b) The temperature

(i) Effect of colour of light: The critical angle for a pair of media is less for the violet light and more for the red light. Thus the critical angle increases with the increase in wavelength of light.

(ii) Effect of temperature: The critical angle increases with increase in temperature because on increasing temperature of medium, its refractive index decreases.

According to the question,

μ 1​ sinCR​ =1

μ 2​ sinCY =1

μ 3​ sinCB​ =1

μ 1​ > μ 2​  and μ 2​ > μ 3

⟹μ 1​ > μ 2​ > μ 3

CR​ < CY​ < CB​

Thus,

The critical angle increases with the increase in wavelength of light.

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Answer:

Nucleus

Explanation: I did the quiz and got it right. Have an amazing day!

Answer:

a nucleus

Explanation:

The energy released in the β⁻ decay of ⁹⁹Mo is zero.

To calculate the energy released in the β⁻ decay of ⁹⁹Mo, we need to determine the change in mass (Δm) and then use the equation E = Δm * c², where c is the speed of light.

In this case: mass of ⁹⁹Mo (m) = 98.907711 u

Mass of ⁹⁹Mo in kg = 98.907711 u * (1.66 × 10⁻²⁷ kg/u) ≈ 1.64 × 10⁻²⁵ kg

Next, we determine the mass of the decay product, which is ⁹⁹Tc (technetium). The mass of ⁹⁹Tc is approximately 99 u.

Mass of ⁹⁹Tc in kg ≈ 99 u * (1.66 × 10⁻²⁷ kg/u) ≈ 1.64 × 10⁻²⁵ kg

Now we can calculate the change in mass:

Δm = (Mass of ⁹⁹Mo in kg) - (Mass of ⁹⁹Tc in kg)

Δm ≈ (1.64 × 10⁻²⁵ kg) - (1.64 × 10⁻²⁵ kg) = 0

Since Δm is zero, it means that there is no change in mass during the β⁻ decay of ⁹⁹Mo.

Finally, we can calculate the energy released:

E = Δm * c² = 0 * (3.00 × 10⁸ m/s)² = 0

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Explanation:

The runner was 8.6km away from the finish line when the bird starts flying.

Therefore it takes the bird 8.6/14.4 = 0.60 hours for the bird to fly to the finish line.

In that 0.60 hours, the runner would have ran an extra 3.6km/h * 0.6h = 2.16km.

Now, the runner and the bird are flying towards each other. The distance between them is 8.6 - 2.16 = 6.44km and their combined speed is 18.0km.

Hence, they will meet in 6.44/18.0 = 0.36 hours.

Overall, the bird flew for 0.60 + 0.36 = 0.96 hours, and flew 14.4km/h * 0.96h = 13.8km.

Answer:

The bottom line

That's because our internal clocks tend to use up the most calories from 4 p.m. to 6 p.m. and the least from 4 a.m. to 6 a.m., researchers concluded. If we're up late and eating when our bodies are using up fewer calories, those calories get stored instead, which can result in weight 

Explanation:

Mark as Brainliest Please, hope that helps

For this use the formula:

d = Vo * t - (at^2) / 2

Clearing t:

t = d/(v + 0.5*a)

Replacing:

t = 5 m / (7.2 m/s + 0.5 * (-1.1 m/s²)

Resolving:

t = 5 m / (7.2 m/s + (-0.55 m/s²)

t = 5 m / 6.65 m/s

t = 0.75 s

Result:

The time will be 0.75 seconds.

The change in momentum is 594 m/s.

An object's momentum is a vector quantity equal to the product of its mass and velocity. A body can only gain momentum when another force exerts pressure on it.

When a net force is applied to an object, the force changes the object's momentum while it is being applied. In other words, the short-term force applied to the body controls the pace at which momentum changes.

When an item suffers a significant change in momentum in a short amount of time, a significant net force must have been exerted on it. This serves as the foundation for the idea of a body's momentum changing.

Therefore, The change in momentum is 594 m/s.

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Because ultraviolet light may be absorbed by the filler substance, but not by the lamp's light. Because UV light extracts energy from the filler substance while lamp light does not.

Ultraviolet Rays in the electromagnetic Spectrum Ultraviolet rays are a kind of electromagnetic radiation that extends from the visible light spectrum to the X-ray area.

Harmful rays have a long-term effect on humans, causing skin and eye problems. It is also a source of Vitamin C.

Because ultraviolet light may be absorbed by the filler substance, but not by the lamp's light. Because UV light extracts energy from the filler substance while lamp light does not,

Hence light from the ultraviolet flashlight harden the filling when light from the lamp does not.

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The magnitude of the force of attraction between Star and Tony, given that they are 20 m apart is 5.84×10¯¹⁰ N

From the question given above, the following data were obtained:

Applying the Newton's law of universal gravity formula, we can obtain the magnitude of the force of attraction between Star and Tony as illustrated below:

F = GM₁M₂ / r²

F = (6.67×10¯¹¹ × 70 × 50) / 20²

F = 0.00000023345 / 400

F = 5.84×10¯¹⁰ N

Thus, from the above calculation, we can conclude that the magnitude of the force between them is 5.84×10¯¹⁰ N

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Answer:

An object that does not vibrate cannot produce sound

Answer:

Forces do not have a specific direction.

The planet's climate thermostat, as well as the world's chief greenhouse gas, is primarily water vapor. The correct option is A.

Water vapor is the most abundant greenhouse gas in the atmosphere, accounting for about 60% of the greenhouse effect. It is also the most important feedback mechanism in the climate system. When the Earth's temperature rises, more water evaporates from the oceans and other water bodies. This water vapor then traps more heat in the atmosphere, which further raises the temperature. This feedback loop can lead to runaway climate change.

Carbon dioxide is the second most abundant greenhouse gas in the atmosphere, accounting for about 20% of the greenhouse effect. It is released into the atmosphere by the burning of fossil fuels, deforestation, and other human activities. Carbon dioxide is a very long-lived greenhouse gas, meaning that it can remain in the atmosphere for hundreds of years.

Methane is the third most abundant greenhouse gas in the atmosphere, accounting for about 10% of the greenhouse effect. It is released into the atmosphere by the decomposition of organic matter, such as in landfills and wetlands. Methane is a very potent greenhouse gas, meaning that it has a much stronger warming effect than carbon dioxide.

Ozone is a greenhouse gas that is found in the stratosphere, the layer of the atmosphere that is about 10-50 kilometers above the Earth's surface. Ozone is formed when ultraviolet radiation from the sun splits oxygen molecules into two oxygen atoms. These oxygen atoms then combine with other oxygen molecules to form ozone. Ozone is a very effective absorber of ultraviolet radiation, which helps to protect the Earth from this harmful radiation. However, ozone is also a greenhouse gas, and it contributes to the greenhouse effect.

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A para equals \(3.110\times 10^{8}\) megayears, \(2.725\times 10^{18}\) hours and \(9.809\times 10^{21}\) seconds, respectively.

This is an unit conversion problem, in this question we need to convert a value in Hindu units into SI units. A megayear equals \(10^{6}\) years, a year equals  8760 hours and a hour equals 3600 seconds. Now we proceed to perform all required conversions:

Megayears

\(x = 1\,para \times \frac{311040000000000\,yr}{1\,para} \times \frac{1\,Myr}{10^{6}\,yr}\)

\(x = 311040000\,Myr\)

\(x = 3.110\times 10^{8}\,Myr\)

Hours

\(x = 1\,para \times \frac{311040000000000\,yr}{1\,para} \times \frac{8760\,h}{1\,yr}\)

\(x = 2.725\times 10^{18}\,h\)

Seconds

\(x = 1\,para \times \frac{311040000000000\,yr}{1\,para} \times \frac{8760\,h}{1\,yr} \times \frac{3600\,s}{1\,h}\)

\(x = 9.809\times 10^{21}\,s\)

A para equals \(3.110\times 10^{8}\) megayears, \(2.725\times 10^{18}\) hours and \(9.809\times 10^{21}\) seconds, respectively.

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Answer:

round and count

Explanation:

means arrange, order, organize, etc

Answer:^what he meant was record and count

Explanation:

Answer:

25N

Explanation:

if you calculate it right the answer will be 25

A tennis player hits a 56.0 g ball vertically with her racket to warm up for a match.

In this scenario, the tennis player is using the vertical hitting of the ball as a warm-up exercise before the match.

This helps to increase blood flow to the muscles, improve coordination, and prepare the body for the more intense activity of a tennis match.

The mass of the ball, 56.0 g, is given as part of the problem, but there is no information provided about the force or velocity of the hit.

Summary: A tennis player warms up by hitting a 56.0 g ball vertically with her racket, which aids in preparing her body for the match. However, information regarding the force or velocity of the hit is not provided.

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Explanation:

The state of equilibrium refers to a condition in which an object or system is balanced, with no net external forces or torques acting upon it. In other words, the object or system remains at rest or continues its motion in a straight line at a constant velocity. There are two types of equilibrium: static equilibrium and dynamic equilibrium.

1. Static Equilibrium:

Static equilibrium occurs when an object is at rest and all the forces acting on it are balanced. This means that the net force and net torque on the object are both zero. An example of static equilibrium is a book sitting on a flat table. The weight of the book is balanced by the normal force exerted by the table, and there is no motion.

2. Dynamic Equilibrium:

Dynamic equilibrium occurs when an object is in motion with a constant velocity, and the net force and net torque on the object are zero. In this case, the object experiences balanced forces that result in uniform motion. An example of dynamic equilibrium is a car traveling at a constant speed on a straight road. The driving force applied by the engine is balanced by the resistive forces such as air resistance and friction, allowing the car to maintain a constant velocity.

It's important to note that equilibrium does not necessarily mean that all forces are zero, but rather that the sum of forces and torques acting on the object add up to zero. Equilibrium is a state of balance where there is no change in motion or rotation.

In summary, the state of equilibrium refers to a balanced condition in which the forces and torques acting on an object or system are balanced, resulting in either static or dynamic equilibrium. Examples of equilibrium include a book resting on a table in static equilibrium and a car traveling at a constant speed in dynamic equilibrium.

Answer:

dynamic equilibrium and static equilibrium are the 2 types of equilibrium

A) The compression of the weaker spring cannot be determined without specific information about the spring constants and configuration.

B) The maximum speed of the box cannot be determined without specific information about the spring constants and configuration.

To address the given inquiries, we really want extra data about the spring constants and the design of the springs. Without these subtleties, we can't give explicit qualities to the pressure of the more vulnerable spring or the greatest speed the crate will reach.

Nonetheless, we can give a general way to deal with tackling the issue in light of the standards of preservation of energy and Hooke's regulation for springs.

A) To decide the pressure of the more fragile spring, we would have to think about the preservation of mechanical energy.

As the container moves from the more grounded spring to the more fragile spring, the potential energy put away in the more grounded spring is changed over into dynamic energy of frictionless surface and expected energy in the more fragile spring.

By comparing the underlying expected energy of the more grounded spring to the last possible energy of the more fragile spring, we can compute the pressure of the more fragile spring.

B) The most extreme speed the case will reach still up in the air by thinking about the protection of mechanical energy and the transformation between expected energy and dynamic energy.

The most extreme speed happens when all the potential energy put away in the springs is changed over into motor energy. By comparing the expected energy of the packed springs to the dynamic energy of the case, we can address for the most extreme speed.

Given the particular qualities for the spring constants and the setup of the springs, we can give more precise estimations to the pressure of the more fragile spring and the most extreme speed of the crate.

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That location has a 16.72 N string tension.

The acceleration at the bottom of the circle is merely normal (because there are no forces acting in the horizontal direction) and equal to the centripetal acceleration as follows:

ac = v2/r = 2*r T- m*g = m*2*r

The following is how we can solve for T using the givens as replacements:

T = m* (2*r+g) = 0.4 kg*((8.00)2 rad/sec2*0.5m)+9.8 m/s2) = 16.72 N.

The pace at which something rotates is its angular speed, which is measured in terms like r.p.m, degrees per seconds, etc. The linear speed is how quickly a point on the edge of an object moves in a circle around the item's center.

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The speed of the truck after 24 seconds starting from rest is approximately 0.03 m/s.

To determine the speed of the truck, we can use Newton's second law of motion, which states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration. We can assume that there is no air resistance or other forces acting on the system.

Given;

Mass of the SUV (m_suv) = 2.5 mg = 2.5 × 10⁶ kg

Mass of the trailer (m_trailer) = 1.5 mg = 1.5 × 10⁶ kg

Traction force developed at the wheels (F_d) = 5 kN = 5 × 10³ N

Time (t) = 24 s

To find the acceleration of the system, we need to calculate the net force:

Net force (F_net) = Traction force - Force opposing motion

The force opposing motion is the force due to the trailer's mass;

Force opposing motion = m_trailer × acceleration

Using the equation F_net = m_suv × acceleration, we can rewrite the equation as;

Traction force - m_trailer × acceleration = m_suv × acceleration

Rearranging the equation to solve for acceleration;

acceleration = Traction force / (m_suv + m_trailer)

Substituting the given values;

acceleration = 5 × 10³ N / (2.5 × 10⁶ kg + 1.5 × 10⁶ kg)

acceleration ≈ 1.25 × 10⁻³ m/s²

Now, we can find the final velocity of the truck using the equation;

Final velocity (v) = Initial velocity (u) + acceleration × time

Since the truck starts from rest, the initial velocity is 0 m/s;

Final velocity (v) = 0 + (1.25 × 10⁻³ m/s²) × 24 s

Final velocity (v) ≈ 0.03 m/s

Therefore, the speed of the truck is approximately 0.03 m/s.

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True, Charles's law provides an explanation for why hot air balloons float. Charles's law states that when a gas is heated, its volume expands.

This is because the heated gas particles move faster and collide with the container walls more frequently, creating more pressure and causing the gas to expand. In the case of a hot air balloon, the balloon is filled with hot air which is less dense than the surrounding cool air. As a result, the hot air balloon experiences a buoyant force that is greater than its weight, causing it to float upward.

The hot air balloon works on the principle of buoyancy, which is the upward force on an object immersed in a fluid, due to the difference in density between the object and the fluid. When the air inside the balloon is heated, it becomes less dense and rises above the cooler air, creating a difference in pressure and causing the balloon to float upwards. Charles's law provides the scientific explanation for why the hot air inside the balloon expands, which in turn causes the balloon to become less dense and rise. Therefore, the statement that Charles's law provides an explanation for why hot air balloons float is true.

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Answer:

Energy is released in the reaction - Please Give Brainliest

Explanation:

The work done by the air is 88.06kJ, the change in the air’s internal energy is 357.8J and the type of ideal thermodynamic process is isobaric process.

Given the constant pressure of cylinder (P) = 8.6 x 10^5Pa.

The increase in the cylinder’s volume is (V) = 4.0^5 x 10^-4 m^3.

The energy transferred out of the cylinder as heat (Q) = 9.5J

(a) We know that work done (W) = -PexternalΔV

W = -8.6 x 10^5 x 4.0^5 x 10^-4 = -88.06kJ

Hence the work done is 88.06kJ.

(b) From first law of thermodynamics we know that change in internal energy is equal to heat released - work done.

ΔU = Q - W where W is work and U is internal energy.

ΔU = -9.5 - 348.3 = -357.8J

(c) The type of ideal thermodynamic process this approximates is isobaric process. Under constant pressure, the isobaric process is a thermodynamic process. Even though the pressure is constant in this operation, the temperature, volume, and internal energy are not.

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