what is the shape of a solid?

Answer:

She was her mother.

:-)

Answer:

She was her mother.

Explanation:

A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, and attracts or repels other magnets.

A permanent magnet is an object made from a material that is magnetized and creates its own persistent magnetic field. An everyday example is a refrigerator magnet used to hold notes on a refrigerator door. Materials that can be magnetized, which are also the ones that are strongly attracted to a magnet, are called ferromagnetic (or ferrimagnetic). These include the elements iron, nickel and cobalt and their alloys, some alloys of rare-earth metals, and some naturally occurring minerals such as lodestone. Although ferromagnetic (and ferrimagnetic) materials are the only ones attracted to a magnet strongly enough to be commonly considered magnetic, all other substances respond weakly to a magnetic field, by one of several other types of magnetism.

Ferromagnetic materials can be divided into magnetically "soft" materials like annealed iron, which can be magnetized but do not tend to stay magnetized, and magnetically "hard" materials, which do. Permanent magnets are made from "hard" ferromagnetic materials such as alnico and ferrite that are subjected to special processing in a strong magnetic field during manufacture to align their internal microcrystalline structure, making them very hard to demagnetize. To demagnetize a saturated magnet, a certain magnetic field must be applied, and this threshold depends on coercivity of the respective material. "Hard" materials have high coercivity, whereas "soft" materials have low coercivity. The overall strength of a magnet is measured by its magnetic moment or, alternatively, the total magnetic flux it produces. The local strength of magnetism in a material is measured by its magnetization.

An electromagnet is made from a coil of wire that acts as a magnet when an electric current passes through it but stops being a magnet when the current stops. Often, the coil is wrapped around a core of "soft" ferromagnetic material such as mild steel, which greatly enhances the magnetic field produced by the coil.

When an air parcel is mechanically lifted in an unstable atmosphere, it continues to rise even after the lifting force ceases. The temperature decreases with altitude in an unstable atmosphere.

If the air parcel is lifted to a level where its temperature is equal to or less than that of its surrounding air, it will be denser and start to sink again. However, since the atmosphere is unstable, this sinking air will be cooler than its surroundings, which will cause it to become denser and sink even faster. This continues until the air parcel reaches a level where its temperature is once again equal to that of the surrounding air.

Once this occurs, the air parcel will no longer rise or sink, but instead will be in a state of equilibrium. In an unstable atmosphere, lifting an air parcel will cause it to rise, and it will continue to rise even after the lifting force ceases. This is due to the fact that the temperature of the atmosphere decreases with altitude.

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The "price" that you have to pay for this help is by covering more distance

when using it.

Wheel and axle is a type of lever which has three properties present and

they include

It helps to reduce the force needed to do work and makes it easier thereby

saving strength and resources. Work done is the product of force and

distance traveled.

Since force is reduced in this type of lever then more distance has to be

covered for work to be done efficiently.

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The weight of the log is 980N

The force of gravity acting on an object is its weight, which is equal to its mass times the acceleration of gravity, or w = mg. The newton is the SI unit for weight since it is a force.

The weight of a 100 kg log can be calculated using the equation w = mg,

where m is the mass of the log (100 kg) and g is the acceleration due to gravity (9.8 m/s^2).

So, w = (100 kg)(9.8 m/s^2) = 980 N.

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Explanation:

The area between the speed-time graph f a body and time axis measures the distance travelled by the body

It takes more energy to produce a wave with higher crests and deeper troughs, so the more energy a wave has, the greater its amplitude.

The amplitude and energy of a wave are directly proportional to each other. Amplitude refers to the maximum displacement or height of a wave from its resting position, while energy is the ability of the wave to do work or cause a change. As the amplitude of a wave increases, so does its energy because the wave has more potential energy stored in its oscillations. When energy is added to a wave, it increases the amplitude of the wave, and vice versa, when energy is removed from a wave, its amplitude decreases. This relationship is essential in understanding the behavior of waves in various fields, such as acoustics, optics, and seismology. For example, in sound waves, increasing the amplitude of a sound wave increases the volume of the sound because it has more energy to move the air molecules.

The more energy a wave has, the greater its amplitude. Amplitude is a measure of the maximum displacement or height of a wave from its resting position. The energy of a wave is related to its amplitude because a wave with greater amplitude has more potential energy stored in its oscillations. When energy is added to a wave, the amplitude of the wave increases because the extra energy allows the wave to move higher and lower from its resting position. This can be seen in ocean waves, where larger waves have higher crests and deeper troughs, indicating that they have more energy. The relationship between energy and amplitude is important in many fields of science, including acoustics, optics, and seismology, and is used to understand and analyze the behavior of waves in different contexts.

Therefore, The correct answer is"greater".

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An agreement between a company and a labor union that represents most of its employees would be most appropriately considered part of a company's: contractual infrastructure.

A worker's guild (English) or trade guild (American English), frequently basically alluded to as an association, is an association of laborers expectation on "keeping up with or working on the states of their employment", for example, accomplishing better wages and advantages, working on working circumstances, further developing security principles, laying out grievance methods, creating rules overseeing status of representatives (rules overseeing advancements, worthwhile motivation conditions for end) and safeguarding and expanding the dealing force of laborers.

Union dues, which are fees that are imposed on a regular basis, are how most trade unions pay for the functions of their head office and legal team. The association delegates in the labor force are normally comprised of working environment volunteers who are frequently selected by individuals through inside equitable races. The rank-and-file members of the trade union negotiate labor contracts (collective bargaining agreements) with employers on their behalf through an elected leadership and bargaining committee.

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Answer:

9996kg.m/s

Explanation:

∆p=mv. 1200kg*8.33m/s

The approximate momentum of this car is 9,996 Kgm/s.

Given the following data:

To determine the approximate momentum of this car;

Momentum refers to the product of the mass possessed by an object and its velocity.

Mathematically, momentum is giving by the formula;

\(Momentum = mass \times velocity\)

Substituting into the formula, we have;

\(Momentum = 1200 \times 8.33\)

Momentum = 9,996 Kgm/s.

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Saturn, which would be two times as far at Saturn, takes far more than double as long to complete one circle around the Sun.

The star that the earth revolves around and that gives it warmth and light Our solar system is centered on the sun. Sun also refers to the sunlight or heat that this star gives off to the earth:

The star that serves as the focal point of the planetary system is the sun. 92% of it is hydrogen, 8% or so is lithium, and also the remaining elements are various.

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Yes, when ever you add or subtract quantities they must have the same units or dimensions.

In physics measurements apart from units and units, there are also what are referred to as dimensions.

Definition dimensions in mathematics are measurements of length, width, or height that are extended in a certain direction. Where every form of matter on earth has dimensions, including physical quantities. Dimensions show what basic quantities are used in a measurement. Thus, dimensions in physics are a way of writing quantities that show the constituent quantities. Dimensions in measurements do not consider numerical values (quantities).

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The dew point temperature of the air mass near the surface of the earth is approximately 27 degrees Celsius, assuming that the relative humidity is 100% at the condensation level of 3000 meters.

Firstly, let me explain what dew point temperature is. Dew point temperature is the temperature at which the air becomes saturated with water vapor, and condensation occurs. In other words, it is the temperature at which dew or frost forms on the ground or other surfaces.

Now, let's consider the given information. We know that the air mass near the surface of the earth has a temperature of 27 degrees Celsius. We also know that the condensation level for clouds was observed at 3000 meters.

The condensation level is the altitude at which the relative humidity of the air reaches 100%, and the water vapor in the air begins to condense into visible water droplets or ice crystals, forming clouds.

To find the dew point temperature, we need to calculate the relative humidity of the air at the condensation level. The relative humidity is the amount of water vapor in the air compared to the amount of water vapor that the air can hold at a given temperature.

The formula to calculate relative humidity is:

RH = (actual vapor pressure / saturation vapor pressure) x 100

Where RH is relative humidity, actual vapor pressure is the pressure exerted by the water vapor in the air, and saturation vapor pressure is the maximum pressure that the water vapor in the air can exert at a given temperature.

To find the saturation vapor pressure, we can use the Magnus formula:

es = 6.11 x 10^(7.5T / (237.3 + T))

Where es is the saturation vapor pressure in Pascals, and T is the temperature in degrees Celsius.

Using this formula, we can find that the saturation vapor pressure at 27 degrees Celsius is approximately 3192 Pa.

Now, we need to find the actual vapor pressure at the condensation level, which is also known as the vapor pressure deficit. To do this, we can use the following formula:

VPD = es - e

Where VPD is the vapor pressure deficit, es is the saturation vapor pressure at the given temperature, and e is the actual vapor pressure.

Since the relative humidity at the condensation level is 100%, we know that the actual vapor pressure is equal to the saturation vapor pressure, which is 3192 Pa.

So, the vapor pressure deficit is 0 Pa, and the relative humidity is 100% at the condensation level.

To find the dew point temperature, we can use a dew point calculator or a psychrometric chart. According to a typical psychrometric chart, the dew point temperature for an air mass with a relative humidity of 100% at 27 degrees Celsius is approximately 27 degrees Celsius.

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Answer:

Weight is what you get when a certain amount of gravity is acting on that mass, and something, like the surface of a planet, is resisting that action. In space, when falling freely, there's nothing resisting the pull of gravity so weight disappears. Mass however stays.

hope this helps u

Explanation:

"Yes, the electronic crime scene is handled completely differently from a traditional crime scene. The electronic crime scene refers to a crime that has taken place in the digital world.

In contrast, a traditional crime scene refers to a crime that has taken place in the physical world, and it is evident that the two scenarios are handled differently.

An electronic crime scene refers to the area or place where electronic evidence is gathered for use in investigations or legal proceedings. Electronic evidence refers to information or data stored, created, or transmitted in electronic devices, including computers, smartphones, flash drives, and other digital devices. The collection of electronic evidence differs significantly from the collection of traditional evidence. The first step is the preservation of electronic evidence. In a traditional crime scene, it is possible to cordon off the area using yellow tapes, close windows, and take photographs of the scene. However, this is not the case with an electronic crime scene since electronic evidence is intangible. This is why digital forensic investigators begin the evidence preservation process by creating a forensic image of the electronic device under investigation. This is done to prevent data loss or alteration before investigations commence.

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The characteristics of the capacitors can be found answer of which is the most important precaution before connecting a capacitor is:

A capacitor in a computer that consists of metallic plates with an electrical charge in them, the main function of a capacitor is to store energy.

As a capacitor is an energy storage system, it has a charge Q on each plate, so it must be used with caution among the main measures we have.

In conclusion with the characteristics of the capacitors we find that the answer is the most important precaution before connecting a capacitor is:

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Bob's statement is incorrect. Having acute angles of the same measure in two right triangles does not necessarily guarantee that the triangles are similar.

Similar triangles have corresponding angles that are equal and corresponding sides that are proportional. While having acute angles with the same measure is a necessary condition for similarity, it is not sufficient. Two right triangles can have acute angles of the same measure and still have different side lengths, which would make them non-similar. The similarity of triangles depends on both angle measures and side ratios, not just the equality of acute angles. Additional information about the side lengths or proportions of the triangles is required to determine their similarity

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The forces that cause the student and the skateboard to move away from the wall are gravity and frictions.

Force is a factor that has the power to alter an object's motion. An object with mass can change its velocity, or accelerate, as a result of a force. An intuitive way to describe force is as a push or a pull. A force is a vector quantity because it has both magnitude and direction.

The force that pulls objects toward the center of a planet or other body is called gravity. All of the planets are kept in orbit around the sun by gravity. Because it describes the resulting interaction between two masses, gravity is in fact a force. Fundamentally, the warping of spacetime and the motion of objects through the warped spacetime are what produce gravitational effects. However, the outcome appears to be the result of applying force.

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Answer:

hope this helps

Explanation:

Of the three phases of matter (gas, liquid, and solid), sound waves travel the slowest through gases, faster through liquids, and fastest through solids

so your answer would be B.

A 600-w TV receiver is turned on for 4 hours with nobody watching it. If electricity costs 10 cents/kWh, the amount of money wasted is cents. Therefore, the amount of money wasted in this case is 24 cents.

There are different steps to calculate the money wasted in this case. Here is the step-by-step solution to this problem:

First, we need to calculate the energy consumed in kWh:

Energy consumed = Power × Time Power = 600 W Time = 4 hours

Energy consumed = Power × Time Energy consumed = 600 W × 4 hours

Energy consumed = 2400 Wh.

To convert Wh into kWh, we need to divide the energy consumed by 1000:

Energy consumed = 2400 Wh = 2.4 kWh.

Now, we can calculate the amount of money wasted:

Cost of 1 kWh = 10 cents Cost of 2.4 kWh = 2.4 kWh × 10 cents/kWh

Cost of 2.4 kWh = 24 cents.  

A 600-w TV receiver is turned on for 4 hours with nobody watching it. If electricity costs 10 cents/kWh, the amount of money wasted is cents. The energy consumed by the TV receiver can be calculated by multiplying the power rating by the time it is used. In this case, the power rating is 600 W, and the time is 4 hours.

Therefore, the energy consumed is 600 W × 4 hours = 2400 Wh.

To convert the energy consumed into kWh, we need to divide it by 1000. So, 2400 Wh = 2.4 kWh. The cost of electricity is 10 cents per kWh.

Therefore, the cost of 2.4 kWh is 2.4 kWh × 10 cents/kWh = 24 cents.

This is the amount of money wasted by keeping the TV receiver turned on for 4 hours without anyone watching it. It is important to turn off electrical appliances when they are not in use to save electricity and reduce the electricity bill.

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The statement that is not true is B. The sum of the moments about O of the forces acting on a particle is equal to the moment of the particle about O.

Newton's second law of motion is a statement about the forces that act on a particle. According to this law, if the force acting on an object is equal to the product of the mass and the acceleration, the particle will have acceleration proportional to the magnitude of the resultant force acting on it and in the direction of the resultant force.T

he third law of motion states that for every action, there is an equal and opposite reaction. If force acting on particle is zero, both the linear momentum and angular momentum of the particle remain constant.

When a particle moves under a central force, its linear momentum and angular momentum remain constant. Therefore, the correct option is B. The sum of the moments about O of the forces acting on a particle is equal to the moment of the particle about O.

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Answer:

3) Act on different objects

Explanation:

Newton's third law of motion states that for every action there is an equal and opposite reaction.

Action-reaction force pairs make it possible for fishes to swim, birds to fly, cars to move, etc.

Basically, action-reaction force pairs are characterized by the following statements;

I. The forces are the same type such as magnetic force, contact force or gravitational force.

II. The forces are equal in magnitude but opposite in direction.

III. They act up on two different bodies.

Hence, the two forces that make up 3rd law of motion can act on different objects.

For example, while driving down the road, a bug strikes the windshield of a vehicle (Action) and makes a quite obvious mess in front of the face of the driver of the vehicle (Reaction) i.e the bug hit the vehicle and the vehicle hits the bug.

The scientist who discovered that his theory predicted an expanding universe, and because he doubted the existence of expansion, modified his equations to eliminate the expansion from his theory was Albert Einstein.

The scientist who modified his equations to eliminate the expansion from his theory was Albert Einstein. In 1917, Einstein applied his theory of General Relativity to the entire universe and found that his equations predicted a dynamic, expanding universe. However, at the time, it was widely believed that the universe was static and unchanging, so Einstein introduced a mathematical term known as the cosmological constant to his equations to counteract the predicted expansion and maintain a static universe.

It was not until several years later, when observations by astronomer Edwin Hubble confirmed that the universe was indeed expanding, that Einstein realized his mistake and called the introduction of the cosmological constant his "biggest blunder." The idea of an expanding universe would eventually become an important cornerstone of modern cosmology.

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To react completely with 0.500 L of volume of 0.500 M Na2CO3, you would need 0.250 L of 2.00 M HCl.

Write down the balanced chemical equation for the reaction between HCl and Na2CO3:

2 HCl + Na2CO3 → 2 NaCl + H2O + CO2

Determine the stoichiometry of the reaction:

From the balanced equation, we can see that 2 moles of HCl react with 1 mole of Na2CO3.

Calculate the number of moles of Na2CO3:

Given that the volume of Na2CO3 solution is 0.500 L and the concentration is 0.500 M, we can use the formula:

Moles = Concentration × Volume

Moles of Na2CO3 = 0.500 M × 0.500 L = 0.250 moles

Use the stoichiometry to determine the number of moles of HCl needed:

According to the stoichiometry of the balanced equation, 1 mole of Na2CO3 reacts with 2 moles of HCl.

Therefore, to react with 0.250 moles of Na2CO3, we would need 2 × 0.250 = 0.500 moles of HCl.

Convert moles of HCl to volume:

Given that the concentration of HCl is 2.00 M, we can use the formula:

Volume = Moles / Concentration

Volume of HCl = 0.500 moles / 2.00 M = 0.250 L

Convert the volume to liters:

The final answer is 0.250 liters of 2.00 M HCl are needed to react completely with 0.500 L of 0.500 M Na2CO3.

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The can be obtained by using the balanced chemical equation: Na2CO3 + 2 HCl → 2 NaCl + H2O + CO2  Write the balanced chemical equation for the reaction.

Na2CO3 + 2 HCl → 2 NaCl + H2O + CO2

Calculate the number of moles of Na2CO3. Using the formula n = c × V, where n is the number of moles, c is the concentration, and V is the volume, we get:

n = c × V

= 0.500 M × 0.500 L

= 0.250 mol

Calculate the number of moles of HCl required.The balanced chemical equation shows that 2 moles of HCl react with 1 mole of Na2CO3. Hence, the number of moles of HCl required can be calculated as follows

:n(HCl) = 2 × n(Na2CO3)

= 2 × 0.250 mol

= 0.500 mol

Calculate the volume of 2.00 M HCl required.The number of moles of HCl required is 0.500 mol. Using the formula V = n/c, where V is the volume, n is the number of moles, and c is the concentration, we get:

V = n/c

= 0.500 mol ÷ 2.00 M

= 0.250 L

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The image shows the correct way of lining up vectors to add them together, that the two arrows lined up one after the other, therefore the correct answer is option B.

The quantities that contain the magnitude of the quantities along with the direction are known as the vector quantities.

Examples of vector quantities are displacement, velocity acceleration, force, etc.

Thus, the image shows the correct way of lining up vectors to add them together, that the two arrows lined up one after the other, therefore the correct answer is option B.

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Answer:

0.08 sin 3nt +

metre. Then calculate-

a time period

(d) Time period

(

Minitial phase

wõisplacement

7

(c) Displacement from mean position at t=

36

sec.

Explanation:

thats the answer

Answer:

133m/s

Explanation:

b/c 250÷2.2÷0.85=133

To find the hourly development fee (p) that maximizes the profit, you would need to analyze the profit function and determine the value of p that yields the maximum result.

The linear demand equation giving the number of contracts (a) as a function of the hourly fee (p) charged by Montevideo Productions can be represented as: a = m * p + b

Given that the demand is currently 11 contracts when the fee is $2,900 and it was 5 contracts higher at $2,400, we can find the values of m and b. Using the two data points:

(2900, 11) and (2400, 16)

m = (11 - 16) / (2900 - 2400) = -1/100

b = 16 - (2400 * (-1/100)) = 40

Therefore, the linear demand equation is:

a = (-1/100) * p + 40

(b) The formula for the total revenue (R) obtained by charging $p per hour and billing for 40 hours of production time on each contract is:

R = p * 40 * a

Substituting the demand equation, we get:

R = p * 40 * ((-1/100) * p + 40)

(c) The monthly cost (C) for Montevideo Productions can be expressed as a function of the number of contracts (a) as follows:

C = Fixed costs + (Variable costs per contract * a)

Given: Fixed costs = $140,000 per month

Variable costs per contract = $70,000

So, the monthly cost function is:

C(a) = $140,000 + ($70,000 * a)

(d) The monthly profit (P) for Montevideo Productions can be calculated by subtracting the monthly cost (C) from the total revenue (R):

P(p) = R - C(a)

Finally, to find the hourly development fee (p) that maximizes the profit, you would need to analyze the profit function and determine the value of p that yields the maximum result.

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Answer:

t= 7.88

Explanation:

Starting with F=ma.

The only force that is going to cause an acceleration is gravity (if we use the coordinate system I described).

F = ma

mgsin65 = ma

a = gsin65

Vf = Vi + at

0 = 35 m/s + (gsin65)t

t = 35/gsin65

multiply it by 2 to get whole time

t = 70/gsin65

t = 7.88 seconds.