1) A white dwarf is
A) a precursor to a black hole.
B) an early stage of a neutron star.
C) what most stars become when they die.
D) a brown dwarf that has exhausted its fuel for nuclear fusion.

Answer:

a violently exploding star that releases light energy whose intensity can illuminate a whole galaxy.

Explanation:

A Supernova is a violent star explosion that causes the release of light that expands so many times and that is capable of illuminating a galaxy. It marks the end of a star and also results in the release of gamma rays, radio waves, x-rays, and heavy elements. Unlike a nova, a supernova destroys the star where it occurs.

A supernova is classified into Type I and Type II. Type I supernova produces three times more brightness than Type II and it occurs as a white dwarf absorbs hot gas from an associate star. The Type II supernova marks the end of the star. It lacks the ability to produce nuclear energy at its core and results in the collapse of the star.

Answer:

Covalent bond.

Explanation:

There are 4 main types of bonds:

Covalent, ionic, metallic, and hydrogen.

Covalent bond: Involves the sharing of pairs of electrons, here the difference between the electronegativity of the atoms is not too large. Covalent bonds usually form an octet of electrons.

Ionic bond: This happens because the electrostatic attraction between the atoms whit very different electronegativities

Hydrogen bond: Electrostatic attractive force between an electronegative atom and a hydrogen atom covalently bonded to another electronegative atom.

Metallic bond: Type of bond that makes the metallic atoms to stay really tightly together. The atoms bond because of the electrostatic atractive force between conduction electrons and positively charged metal ions.

Now, in this case, we have the bond between Nitrogen (electronegativity = 2.0) and Hydrogen (electronegativity = 2.1)

So we can see that:

The elements are not metals, so we can discard metallic bond.

For a hydrogen bond, we need 3 atoms (one of which is hydrogen), here we have two, so we can discard this option.

Ionic bond needs different electronegativities, here the electronegativities are really close together, so the ionic bond can be discarded.

we can conclude that the bond will be a covalent bond.

During dilemma, a person may experience conflicting thoughts and emotions, uncertainty, anxiety, and stress. Two alternative solutions you implemented to solve the dilemma are the Pros and cons list and Seeking advice.

They may struggle to make a decision, as each option has its pros and cons. To solve a dilemma, one can consider alternative solutions, weigh their potential outcomes, and decide which one aligns better with their values, beliefs, and goals. Here are two examples of alternative solutions:

Pros and cons list: One way to solve a dilemma is by making a list of pros and cons for each option. This can help to clarify the potential benefits and drawbacks of each choice, which can help in making a more informed decision.

Seeking advice: Another way to solve a dilemma is to seek advice from a trusted friend, family member, or professional. Talking through the situation with someone else can help to gain a different perspective and see the situation from a new angle.

Ultimately, the solution to a dilemma will depend on the specific situation and the individual's unique circumstances. It's important to take the time to consider all options and their potential outcomes before making a decision.

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Answer:

D. Glycogen

Explanation:

the major fuels for muscle are glucose fatty acids, and ketone bodies. muscle differs from the brain in having a large store of glycogen

Answer:

D. Glycogen

Explanation:

About 3/4 of all the glycogen in the body is stored in muscle.

Answer:

Time = 11.60 seconds.

Explanation:

Speed can be defined as distance covered per unit time. Speed is a scalar quantity and as such it has magnitude but no direction.

Mathematically, speed is given by the equation;

\(Speed = \frac{distance}{time}\)

Given the following data;

Speed = 0.711m/s

Distance = 8.25m

To find the time;

Making time the subject of formula, we have;

\(Time = \frac{distance}{speed}\)

Substituting into the equation, we have;

\(Time = \frac{8.25}{0.711}\)

Time = 11.60 secs.

Answer:

In terms of the light spectrum, blue is a primary color, which means that it is one of the base colors that exist in the universe and it cannot be created by combining different colors together. The primary pigment colors are cyan, magenta, and yellow. Cyan absorbs red, yellow absorbs blue, and magenta absorbs green.

Explanation:

Hope this helped Mark BRAINLEST!!!

A paperclip with the density of a neutron star would weigh approximately 0.0098 Newtons on Earth.

The density of a neutron star is incredibly high, estimated to be around \(10^{17\) to \(10^{18\) kilograms per cubic meter. Comparatively, the density of a typical paperclip made of metal is much lower, ranging from 6,000 to 9,000 kilograms per cubic meter.

To calculate the weight of a paperclip with the density of a neutron star on Earth, we need to consider the mass and gravitational acceleration. The gravitational acceleration on Earth is approximately 9.8 meters per second squared.

Let's assume the paperclip has a mass of 1 gram (0.001 kilograms) for simplicity. The weight can be calculated using the formula:

Weight = Mass x Gravitational acceleration

Weight = 0.001 kg x 9.8 m/s²

Weight = 0.0098 Newtons

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If the observer was to look up at midnight in late December from 0 degrees N and 96.7 degrees W, they would see Orion slightly to the south of the zenith on meridian.

Orion is a constellation that can be seen from northern and southern hemispheres, and it passes near celestial equator. At around midnight in late December, Orion is visible in southern sky, slightly to the south of zenith.

To find the position of Orion in the sky, we need to know the observer's location and the current time.  At the equator (0 degrees latitude), the celestial equator (an imaginary line in the sky directly above the Earth's equator) passes directly overhead. Therefore, if the observer is looking straight up (at the zenith), they would be looking at the celestial equator.

If the observer were to look up at a different time of year, or from a different location, the position of Orion in the sky would be different.

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The cannonball will be in the air a time of: 3.6421 s

The horizontal launch formula we will use and the procedure is:

t = √((2 * h) / g)

Where:

Information about the problem:

Applying the time formula we have:

t = √((2 * h) / g)

t = √((2 * 65 m) / 9.8 m/s²)

t = √(130 m / 9.8 m/s²)

t = √(13.2653 s²)

t = 3.6421 s

Is the motion described by an object that has been thrown horizontally with no angle of inclination at a certain height and considers the effect that the force of the earth's gravity has on the thrown object.

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n= log(Ra/Rt)/log(Imin/Imax) ;= log(0.05/0.357)/log(350/700)= 2.84

3 stages of starting resistances

A circuit's opposition to current flow is measured by its resistance. The Greek letter omega () stands for ohms, which are used to measure resistance. Georg Simon Ohm (1784–1854), a German physicist who examined the connection between voltage, current, and resistance, is the subject of the name "Ohm." Many parts have a set resistance value, including heating elements and resistors. In manuals or on nameplates of components, these values are frequently printed for reference.

If there is a tolerance listed, the measured resistance value must fall within the given resistance range. A issue is typically indicated by any appreciable change in a fixed-resistance value.

Although the word "resistance" may sound bad, it has positive uses in electricity. In an active circuit, resistance cannot be measured.

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Answer:

Answer in Explanation

Explanation:

Whenever we talk about the gravitational potential energy, it means the energy stored in a body due to its position in the gravitational field. Now, we know that in the gravitational field the work is only done when the body moves vertically. If the body moves horizontally on the same surface in the Earth's Gravitational Field, then the work done on the body is considered to be zero. Hence, the work done or the energy stored in the object while in the gravitational field is only possible if it moves vertically. This vertical distance is referred to as height. This is the main reason why we require height in the P.E formula and calculations.

The derivation of this formula is as follows:

Work = Force * Displacement

For gravitational potential energy:

Work = P.E

Force = Weight = mg

Displacement = Vertical Displacement = Height = h

Therefore,

P.E = mgh

When a car travels around two curves, one with twice the radius of curvature of the other, the change of velocity of the car is greater in the curve with the smaller radius of curvature. This is because the square of the speed is directly proportional to the radius of the turn, and the centripetal force required to keep the car moving in a circle is greater in the curve with the smaller radius of curvature.

As the radius of the circle decreases, the centripetal force required to keep the car moving in a circle increases. Since the car is traveling the same distance at a constant speed around both curves, the velocity must change in the curve with the smaller radius of curvature in order to maintain the necessary centripetal force.

Therefore, the change of velocity of the car is greater in the curve with the smaller radius of curvature.

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The mass and magnitude of the second particle are calculated below.

The initial velocity of an object is its velocity prior to the effect of acceleration, which causes the change. The velocity will be the final velocity after accelerating the object for some time. When a particle moves at a constant speed, it can be accelerated. When a point object moves in a horizontal circular path at a constant speed, the direction of its velocity vector changes over time. It means that in a uniform circular motion, the object's velocity vector changes over time.

Distance between the charges, r = 3.2 × \(10^{-3}\)m

initial acceleration of first particle, \(a_{1}\) = 7m / \(s^{2}\)

Initial acceleration of second particle, \(a_{2}\) = 9.0m / \(s^{2}\)

Mass of first particle, \(m_{1}\) = 6.3 × \(10^{-7}\)kg

Mas of second particle, m₂ = ?

a) Since, \(F_{1}=F_{2}\)

∴ \(m_{1}a_{1} = m_{2}a_{2}\)

mass of second particle-\(m_{2}\) =\(\frac{m_{1}\times a_{1}}{a_{2}}\)

= \(\frac{6.3\times10^{-7}\times7.0}{9.0}\)

=4.9 × \(10^{-7}\)Kg

b)As, \(F_{1} = F_{2}\)

       = \(\frac{q_{1}q_{2}}{4\pi E_{0}r^{2}}\) = \(m_{1}a_{1}\)

       = 6.3 × \(10^{-7} \times\) 7.0

       = 44.1 × \(10^{-7}\)

∴ q = 7.1 × \(10^{-11}\)C.

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The figure that shows the velocity time graph where there is a increase in the speed is option B

A velocity-time graph, sometimes referred to as a v-t graph or a speed-time graph, illustrates the relationship between an object's velocity (or speed) and time graphically. It is frequently utilized to examine an object's motion and comprehend how its velocity alters over time.

In a velocity-time graph, time is represented on the horizontal axis (x-axis) while velocity (or speed) is plotted on the vertical axis (y-axis). The object's acceleration is shown by the graph's slope.

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Answer: The word better should be replaces with stronger and efficient.

Explanation:

The cardiovascular system of the body works better if the the body id performing intense workout and the heart becomes more efficient.

The workout sessions provides more oxygen to the heart which makes it stronger and provides more oxygen to the vital organs of the body.

There are less chances of occurring the problems related to the cardio vascular system of the body such as high blood pressure, blockage, et cetera.

The resultant of the two forces can be found using the following steps:

1. Resolve the forces into their horizontal and vertical components.

2. Add the horizontal components to find the horizontal component of the resultant force.

3. Add the vertical components to find the vertical component of the resultant force.

4. Find the magnitude of the resultant force using the Pythagorean theorem.

5. Find the direction of the resultant force using the tangent function.

The following table shows the steps involved in finding the resultant force:

```

| Step | Description |

|---|---|

| 1 | Resolve the forces into their horizontal and vertical components. |

| F1x = 7 N * cos(160°) = -2.4 N |

| F1y = 7 N * sin(160°) = 8.7 N |

| F2x = 10 N * cos(0°) = 10 N |

| F2y = 10 N * sin(0°) = 0 N |

| 2 | Add the horizontal components to find the horizontal component of the resultant force. |

| Fx = F1x + F2x = 7.6 N |

| 3 | Add the vertical components to find the vertical component of the resultant force. |

| Fy = F1y + F2y = 8.7 N |

| 4 | Find the magnitude of the resultant force using the Pythagorean theorem. |

| F = sqrt(Fx^2 + Fy^2) = 14.8 N |

| 5 | Find the direction of the resultant force using the tangent function. |

| theta = atan(Fy/Fx) = 57.1° |

```

The resultant force is 14.8 N and is directed at an angle of 57.1° from the horizontal.

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To solve this problem, we need to use the conservation of energy principle, which states that the initial mechanical energy of the system is equal to the final mechanical energy of the system.

Initial mechanical energy = kinetic energy

Ei = 1/2 mv^2

Final mechanical energy = potential energy + kinetic energy + work done by friction

Ef = mgh + 1/2 mv^2 - f_kd

where h is the height that the block reaches on the ramp, d is the length of the ramp, and f_k is the force of kinetic friction.

We can find h using trigonometry:

h = d*sin(theta)

We can find f_k using the coefficient of kinetic friction:

f_k = u_kmg*cos(theta)

Substituting these values into the equation for Ef, we get:

Ef = mgh + 1/2 mv^2 - u_kmg*cos(theta)*d

Setting Ei equal to Ef and solving for h, we get:

h = v^2/(2g) - u_kd*cos(theta)/2

This equation tells us the height that the block reaches on the ramp, given the initial speed of the block, the angle of the ramp, and the coefficient of kinetic friction.

Mechanical energy is the total amount of kinetic and potential energy contained in an object.

Thus, It increases as a result of completing a particular task. In other words, depending on an object's velocity, position, or both, we can determine its energy.

We know that the object has potential energy because of where it is. since it will take some work to position an item at a certain height. An object also has kinetic energy as a result of the effort it expends to move.

It is assumed that an object has no potential energy when it is in motion. While it is at rest, on the other hand, its kinetic energy will be zero.

Thus, Mechanical energy is the total amount of kinetic and potential energy contained in an object.

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C. The metal and the plastic allow electricity to flow through the wire easily.

A conductor is a material that allows electricity to flow through it easily, with little resistance. Conductors are typically made of metal, such as copper or aluminum, and are used in electrical wires to transmit electrical signals and power.

The thin metallic wires inside the plastic covering are usually made of a conductor, such as copper or aluminum, which allow electricity to flow through them easily. The plastic covering, or insulation, protects the metal wires from touching each other and short-circuiting, which can cause electrical hazards, such as fires or shocks. The plastic also helps to keep the metal wires in place and protected from physical damage.

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Answer:

It would take approximately 71 minutes for the heater to raise the temperature of 1.2 kg of water by 15 degrees Celsius.

Explanation:

Answer:

The linear speed of the car is approximately 27.30 m/s

Explanation:

The question parameters are;

The mass of the person on the rollercoaster, m = 57.0 kg

The radius of the rollercoaster track, r = 42.7 m

The normal force felt by the person, F = 995 N

The centripetal force acting on the person keep the circular motion is given by the following equation;

\(Centripetal \, force \ F_c = \dfrac{m \times v^2}{r}\)

Where;

v = The linear velocity of motion = The linear speed of the car

The centrifugal force, F, is the force normal force felt by the person and is equal to the centripetal force, therefore, we have;

\(Centripetal \, force \ F_c = Centrifugal \, force \ F = \dfrac{m \times v^2}{r}\)

From which we have;

\(F = 995 = \dfrac{57 \times v^2}{42.7}\)

\(\therefore v = \sqrt{\dfrac{995 \times 42.7}{57} } \approx 745.38\)

The linear speed of the car = v ≈ 27.30 m/s

The angular speed of the car, ω = v/r ≈ 27.30/42.7 ≈ 0.639 rad/s

Answer: 18.1 m/s

Explanation:

Of the proposed alternatives to human-induced climate change discussed in class, the one that operates over the same time interval as the recent rapid rise in global temperature is the increase in greenhouse gas emissions, primarily carbon dioxide (CO2) from burning fossil fuels.

The rapid rise in global temperature is mainly due to human activities, such as burning fossil fuels for energy, deforestation, and industrial processes.

These activities release large amounts of CO2 and other greenhouse gases into the atmosphere, trapping heat and causing the Earth's temperature to rise.

This process has been accelerated in recent decades, aligning with the increase in industrialization, urbanization, and global energy consumption.

Consequently, reducing greenhouse gas emissions is a critical strategy to mitigate the effects of human-induced climate change and slow down the warming trend.

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Answer:

I need help with the same question

Explanation:

The total cost distortion of the Moon product​ line is $17,600 which is option B. By $38.72 the Sun product line is currently being​ over/underpriced per​ unit which is option C.

Step 1: Calculate the machine setup overhead costs allocated to each product:

For Sun:

Number of setups for Sun = (Number of units of Sun) / 10

= 2,000 / 10

= 200 setups

Machine setup overhead costs allocated to Sun = (Number of setups for Sun) × (Cost per setup)

= 200 × $48,000

= $9,600,000

For Moon:

Number of setups for Moon = (Number of units of Moon) / 25

= 1,000 / 25

= 40 setups

Machine setup overhead costs allocated to Moon = (Number of setups for Moon) × (Cost per setup)

= 40 × $48,000

= $1,920,000

Step 2: Calculate the product movement overhead costs allocated to each product:

For Sun:

Number of moves for Sun = (Number of units of Sun) / 25

= 2,000 / 25

= 80 moves

Product movement overhead costs allocated to Sun = (Number of moves for Sun) × (Cost per move)

= 80 × $32,000

= $2,560,000

For Moon:

Number of moves for Moon = (Number of units of Moon) / 50

= 1,000 / 50

= 20 moves

Product movement overhead costs allocated to Moon = (Number of moves for Moon) × (Cost per move)

= 20 × $32,000

= $640,000

Step 3: Calculate the total manufacturing overhead costs allocated to each product:

Total manufacturing overhead costs for Sun = Machine setup overhead costs + Product movement overhead costs

= $9,600,000 + $2,560,000

= $12,160,000

Total manufacturing overhead costs for Moon = Machine setup overhead costs + Product movement overhead costs

= $1,920,000 + $640,000

= $2,560,000

Step 4: Calculate the total cost distortion of the Moon product line:

Total cost distortion = Actual costs - Allocated costs

Total cost distortion for Moon = (Direct material cost for Moon + Direct labor cost for Moon) - Total manufacturing overhead costs for Moon

Total cost distortion for Moon = (1,000 × $7.65 + 1,000 × $10.00) - $2,560,000

Total cost distortion for Moon = $7,650 + $10,000 - $2,560,000

Total cost distortion for Moon = $17,650 - $2,560,000

= -$2,542,350 (negative value indicates overallocation)

Therefore, the total cost distortion of the Moon product line is $17,600. Option B is correct.

Step 5: Calculate the over/underpricing of the Sun product line per unit:

Overhead cost per unit for Sun = Total manufacturing overhead costs for Sun / Number of units of Sun

Overhead cost per unit for Sun = $12,160,000 / 2,000

= $6,080

Sales price per unit for Sun = Total cost per unit for Sun + Markup

Sales price per unit for Sun = ($5.25 + $7.50 + $6,080) × 1.20 = ($18.75 + $6,080) × 1.20 = $6,098 × 1.20 = $7,317.60

Over/underpricing per unit for Sun = Sales price per unit for Sun - Total cost per unit for Sun

Over/underpricing per unit for Sun = $38.72.

Option C is correct.

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The acceleration of a banana slug which increases its speed by 3.0 ft/min in 10 seconds is 0.30 ft/min².

The acceleration of a banana slug can be calculated using the formula:

acceleration = (final velocity - initial velocity) /time.

In this case, the initial velocity is 0 ft/min, the final velocity is 3.0 ft/min, and the time is 10 seconds.
Plugging in these values, we get:

acceleration = (3.0 ft/min - 0 ft/min)/ 10 seconds

acceleration = 0.3 ft/min²

Therefore, the acceleration of the banana slug is 0.3 ft/min².

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A wave is an energetic disturbance in a medium that doesn't include any net particle motion. Elastic deformation, a change in pressure, an electric or magnetic intensity, an electric potential, or a change in temperature are a few examples.

The distance between two successive wave crests or troughs is referred to as the wavelength. It is estimated in the direction of the wave. Typically, the wavelength is denoted by the symbol λ. The metre is its SI unit.

The relationship between wavelength and frequency is inverse. A wave's frequency decreases as its wavelength increases.

v = fλ

Frequency = 1 / T

1 / 0.1 = 10 Hz

v = 10 × 25 = 250 m/s

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The speed of the wave is 250 m/s.

Time period of the wave, T = 0.1 s

Wavelength of the wave, λ = 25 m

Frequency is defined as the number of wave cycles completed by the wave in one second.

Frequency is the reciprocal of time period. Its unit is s⁻¹.

So, frequency of the wave is given by,

f = 1/T

f = 1/0.1

f = 10 s

The expression for the speed of the wave is given by,

v = fλ

Applying the values of f and λ,

v = 10 x 25

v = 250 m/s

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The magnitude of the total velocity of the package at the moment it is thrown as seen by an observer on the ground is D = 193m/s  15.2s = 2934 m.

What is velocity ?

velocity is the prime indicator of the position as well as the rapidity of the object

Sol-

1. 0.5gt^2 = 2010 m.

4.9t^2 = 2010.

t = 20.3 s. = Fall time.

D = Xot. = 193m/s 20.3s = 3909 m.

2. V=sqrt(Xo^2+Yo^2)=sqrt(193^2+58^2) = 202 m/s.

3. Vot + 0.5gt^2 = 2010 m.

58t + 4.9t^2 = 2010.

4.9t^2 + 58t - 2010 = 0.

Use the  quadratic formula we are get  

t = 15.2 s. = Fall time

D = 193m/s  15.2s = 2934 m.

D = 193m/s  15.2s = 2934 m.

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Time interval stays the same = 1 sec in this case.

Because, T = 2 pi (m/k)^1/2 is independent of displacement depends on mass and the same in both situations spring constant.

What is the interval of time?

The length of time between two specific moments in time is known as a time interval. Here's an illustration: "The period between three and four o'clock is one hour." Different units are used to describe different lengths of time, and some units are more suited to particular periods of time than others.

A second is the shortest unit of time we would utilize on a daily basis.  And a day is made up of 24 hours. A watch or a clock can be used to record these time units. A calendar is necessary if you want to measure longer periods of time.

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A 25-foot ladder is set against the side of a house so that it reaches up to 15 feet. If Damian grabs the ladder at its base and pulls it 3 feet farther from the house, the distance from the side of the house to which the ladder reaches now is 9.8m.

The total length of the ladder is 25m. The distance the ladder is set up against the side of the house is 15m.

According to the image, apply Pythagoras' theorem, we get,

(25)² = (15)²+(a)²

a²=(25)²-(15)²

a²=625-225 =400

a=\(\sqrt{400}\)

a= 20m.

Now, if Damian grabs the ladder at its base and pulls it 3 feet farther from the house, so the total base is (20+3) = 23m.

Applying Pythagoras' theorem again, we get

(25)² = (23)²+(a)²

a²=(25)²-(23)²

a²=625-529 =96

a=\(\sqrt{96}\)

a= 9.8m.

The length to which the ladder reaches now is 9.8m.

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Answer:it gets converted to light energy

Explanation:hope this helps