2. the energy of the pendulum as it swings up
O potential energy
O kinetic energy
Greatest Potential
O Greatest Kinetic

Answer:

Sound

Explanation:

A sound wave is a pressure wave; regions of high pressure (compressions) and low pressure (rarefactions) are established as the result of the vibrations of the sound source.  

The condition indicated is a leak in the A/C system. When the low-side pressure loses the vacuum and rises above zero five minutes after the recovery process is complete, it suggests that there is a leak in the A/C system.

A vacuum is created during the recovery process to remove the refrigerant from the system. Once the recovery process is complete, the system should maintain a vacuum or very low pressure.

The rise in pressure above zero indicates that air or moisture has entered the system, leading to an increase in pressure. This is an undesired situation as it affects the efficiency and performance of the A/C system.

In an A/C system, a vacuum or low pressure is created during the recovery process to remove the refrigerant from the system. This is done to ensure that the system is free from any air or moisture that can contaminate the refrigerant or cause operational issues. After the recovery process is complete, the system should maintain the vacuum or low pressure.

However, when the low-side pressure rises above zero, it suggests that air or moisture has entered the system. This could be due to a leak in the A/C system. Leaks can occur in various components such as hoses, fittings, valves, or the evaporator or condenser coils. When air or moisture enters the system, it affects the performance and efficiency of the A/C system.

Air can reduce the cooling capacity of the system, leading to poor cooling or insufficient cooling. Moisture can react with the refrigerant and form acids or other contaminants that can damage the system components or lead to blockages. Additionally, air and moisture can cause corrosion and deterioration of the A/C system over time.

Therefore, the rise in pressure above zero five minutes after the recovery process indicates a leak in the A/C system, which needs to be identified and repaired to restore the system's proper functioning.

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Answer:

   (3) the same before and after the collision

Explanation:

The sum of products of mass and velocity before the collision is ...

  (2 kg)(0.250 m/s) + (2 kg)(0 m/s) = 0.50 kg·m/s

The sum of products of mass and velocity after the collision is ...

  (2 kg +2 kg)(0.125 m/s) = 0.50 kg·m/s

The total momentum is unchanged.

The time needed for the hammer to reach the surface of the Earth is 3.54 s.

The time of motion is calculated as follows;

t = √(2h/g)

where;

t = √(2 x 10 / 1.6)

t = 3.54 s

Thus, the time needed for the hammer to reach the surface of the Earth is 3.54 s.

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Answer:

False. Not everything can turn into a black hole. The formation of a black hole requires a massive object, typically a star, to collapse under its own gravity. This collapse causes the object to become so dense that it creates a singularity, a point of infinite density at the center of the black hole, which is surrounded by an event horizon, the point of no return beyond which nothing, not even light, can escape. So, only objects with sufficient mass and gravity can become black holes.

Explanation:

Answer:

If the centripetal force acting on an object in uniform circular motion is removed, the object will continue moving in a straight line with constant speed.

In uniform circular motion, the centripetal force is responsible for keeping the object moving in a circular path. If this force is removed, there is no longer a force acting towards the center of the circle to change the object's direction, and the object will move in a straight line with a constant speed tangent to its previous circular path.

Option c. "continue moving in a straight line with constant speed" is therefore the correct answer.

The first fundamental force to separate itself out from the others as the universe cooled shortly after the Big Bang is believed to be (e) electromagnetism.

During the early stages of the universe, when the temperature was extremely high, all four fundamental forces (electromagnetism, weak force, strong force, and gravity) were unified into a single force called the "Grand Unified Force." As the universe expanded and cooled down, the energy levels decreased, causing a process called symmetry breaking.

The first force to separate from the unified force was electromagnetism. At a certain critical energy level, the electromagnetic force became distinct from the other forces, acquiring its own unique properties and interactions.

Afterward, as the universe continued to cool, the weak force and strong force also underwent similar symmetry breaking processes, leaving gravity as the last force to separate itself at much lower energy levels.

Therefore, electromagnetism is considered the first fundamental force to separate from the others during the early stages of the universe's evolution after the Big Bang.

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Answer:

Not sure what yours looking for but When a disease is widespread, epidemiological studies investigate what associated factors, such as location, swx, exposure to chemicals and many others, make a population more or less likely to have an illness, condition, or disease thus helping determine its etiology.

Answer:

Some anxiety disorders have different symptoms and it is important to figure out how those symptoms develop. Symptoms may develop from physiological, psychological, or environmental influences. Physiological factors may include heredity, chemical and hormonal imbalances, gender (females are more prone to anxiety than males), and anxiety sensitivity, which has to do with how one’s body reacts to chemical changes. Psychological influences focus on how one’s mind reacts to fearful situations. Environmental factors also influence how individuals deal with fearful situations.  Environmental stress levels, how we think or interpret situations, and our observations of how others react to similar situations all impact how we manage anxiety.

Explanation:

In a room with good acoustics, sound waves are able to travel and reflect in a way that allows them to be heard clearly and evenly throughout the space.

The acoustics of a room refer to the way sound behaves in that space, and are influenced by factors such as the size and shape of the room, the materials used in the walls, floors, and ceilings, and the placement of sound-absorbing or reflective surfaces.

In a room with good acoustics, sound waves are able to travel and reflect in a way that allows them to be heard clearly and evenly throughout the space.

On the other hand, in a room with poor acoustics, sound waves may be absorbed by soft surfaces like carpet or curtains, or they may be reflected unevenly off hard surfaces like walls or floors.

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Maritime tropical air masses are those which originate over the warm oceans in low-latitude regions. The temperature in these regions is typically warm and humid, with dew-point values around or above 60°F (15°C). These air masses can bring significant amounts of moisture to areas that they move over, resulting in heavy precipitation events in some instances.

1. Range of temperatures within the maritime tropical air mass: Maritime tropical air mass temperatures typically range between 18°C (64°F) and 27°C (80°F), which is equivalent to a warm, humid environment. This range is typical for tropical regions where water temperatures are high enough to fuel the formation of a maritime tropical air mass.

2. Range of dew-point values within the maritime tropical air mass:Dew-point values within the maritime tropical air mass generally range between 60°F (15°C) and 75°F (24°C). These values are also typical for the warm, humid environment that this type of air mass originates from.

3. Predominant wind direction in the maritime tropical air mass:The predominant wind direction in a maritime tropical air mass depends on the region it is in. In the Northern Hemisphere, the predominant wind direction is from the southeast, while in the Southern Hemisphere, it is from the northeast.

These wind directions are due to the rotation of the Earth and the Coriolis Effect.4. Difference in wind speed and direction between the eastern and western sides of the cold front: The eastern side of a cold front experiences stronger, gusty winds that are colder, while the western side experiences weaker winds that are warmer.

This is due to the differences in pressure and temperature that occur on either side of the cold front. The pressure gradient is steeper on the eastern side, leading to stronger winds, while the western side experiences less of a pressure gradient and weaker winds.

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Answer:

c electric field is the answer

Answer:

G = 6.67

Explanation:

Through photosynthesis, the plant creates glucose, a type of sugar, from water and carbon dioxide from the air.

Chloroplasts, a type of organelle found in plant cells, convert light energy into chemical energy that is relatively stable through the photosynthetic process. They maintain life on Earth in this way.

Chlorophyll stands out among the many kinds of pigments found in nature because it gives plants the ability to absorb the energy they require to develop tissues.

Chlorophyll is found in the plant's microscopic chloroplasts, which are found in its cells. This is where photosynthesis takes place.

Therefore, water and carbon dioxide from the air into glucose.

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The true statements are - 1. The radiation pattern does not change with distance.4.The electric field and the magnetic field has the same magnitude at the same point in space. 5. The radiation pattern does not change with time.7.The electric field is perpendicular to the magnetic field.8.The propagation direction of the radiation can be determined from the right-hand rule. 9. The source of the radiation is oscillating charges.

The following statements are true for sinusoidal radiation:

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The current passing through the potentiometer wire, given the resistivity of 20 × 10⁻⁸ ohm meter and the area of cross-section of 4 × 10⁶ m², is approximately 200 Amperes.

The resistivity of a potentiometer wire is given as 20 × 10⁻⁸  ohm meter, and the area of cross-section is 4 × 10⁶ m². We need to calculate the current (I) passing through the wire.
To find the current, we can use Ohm's law:

V = IR,

where V is the voltage, I is the current, and R is the resistance. In this case, the resistance is given by the resistivity (ρ) multiplied by the length (L) divided by the area of cross-section (A).
We can rearrange the formula to solve for I:
I = V / R
I = V / (ρ * L / A)
I = V * A / (ρ * L)
Since we are not given the voltage or length, we cannot determine the exact value of the current. However, we can still provide a general explanation.
Assuming the voltage across the wire is 1 volt and the length of the wire is 1 meter, we can substitute these values into the equation to get an approximate answer:
I = (1 V) * (4 × 10⁶ m²) / (20 × 10⁻⁸  ohm meter * 1 m)
I ≈ 200 A
In conclusion, the current passing through the potentiometer wire, given the resistivity of 20 × 10⁻⁸ ohm meter and the area of cross-section of 4 × 10⁶ m², is approximately 200 Amperes.

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The answer would have to be 8.47 m/s/s because the backwards pull + the rate of speed it is going would have to be added to get the answer to compensate for the backwards pull

Explanation:

Given that,

The density of water is 1 g/cm³

The density of ethanol is 0.8 g/cm³

We need to find the volume of the ethanol that has the same mass as 100 cm³ of water.

Density=mass/volume

For water,

\(d=\dfrac{m}{V}\\\\m=dV\\\\m=1\ g/cm^3\times 100\ cm^3\\\\m=100\ g\)

For ethanol,

\(d=\dfrac{m}{V}\\\\V=\dfrac{m}{d}\\\\V=\dfrac{100\ g}{0.8\ g/cm^3}\\\\V=125\ cm^3\)

Hence, 125 cm³ of ethanol has the same mass as 100 cm³ of water.

Answer:

1.00 g/cm3

Explanation:

Answer: Weak nuclear forces are involved when certain types of atoms break down. Strong nuclear forces are responsible for holding atoms' nucleus together.

b. We can Connect 3 cells in series to 3 lamps in parallel and place an ammeter on the circuit to measure the current through one of the lamps.

The image is attached.

c. In this  connection, we creates a series connection where the current flowing through each component is the same.

the two cells' positive and negative terminals must be connected in order to complete the circuit. As a result, a parallel connection is formed where the overall current capacity rises while the voltage across each cell stays the same.

The positive terminal of the first light would be connected to the negative terminal of the second lamp in order to link the two lamps and a motor in series. The second lamp's positive terminal would then be connected to one of the motor's terminals. Finally, you would attach the other motor terminal to the first lamp's negative terminal.

This establishes a series connection in which each component receives the same amount of current.

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Microorganism: A microscopic organism, such as a bacterium or virus ; Pathogen: An organism or substance capable of causing disease;  Toxin: A poisonous substance produced by living cells or organisms.

Parasite: Organism that lives on/ within another organism (host), causing harm to host.

Virus: Submicroscopic infectious agent that replicates inside living cells.

Bacteria: Single-celled microorganism that can cause disease or aid in various biological processes.

Fungi: A group of organisms that includes yeasts, molds, and mushrooms, often associated with the decomposition of organic matter.

Inflammatory response: Physiological response to injury or infection characterized by redness, heat, swelling, and pain.

Phagocyte: Type of white blood cell that engulfs and destroys foreign substances in the body.

Lymphocyte: A type of white blood cell responsible for the body's immune response.

Antigen: Substance that triggers an immune response by the body.

Antibody: Protein produced by the body in response to the presence of an antigen, which helps to neutralize or destroy the antigen.

Immunity: Ability of the body to resist disease through the production of antibodies.

Vaccination: Administration of a vaccine to stimulate the immune system to produce immune response to specific pathogen.

Vaccine: Substance that contains weakened or inactive pathogens, or parts of pathogens, that stimulate the immune system to produce immune response to specific pathogen.

Antibiotics: Medications that inhibit or kill bacteria.

Allergy: Immune response to a harmless substance that is perceived as a threat by the body.

Histamine: Chemical released by the body in response to injury or infection that causes inflammation and other immune responses.

Carcinogen: Substance capable of causing cancer.

Tumor: Abnormal growth of cells that may be benign (non-cancerous) or malignant (cancerous).

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In conclusion, when a horizontal pipe is completely filled with a liquid and has an output pressure greater than the input pressure, the speed of the liquid at the output will increase due to the pressure difference created by Bernoulli's principle.

When a horizontal pipe is completely filled with a liquid and has an output pressure greater than the input pressure, the speed of the liquid at the output will increase.

This is because the increased output pressure creates a pressure difference between the input and output ends of the pipe. According to Bernoulli's principle, as the pressure difference increases, the speed of the fluid also increases.

Bernoulli's principle states that in a flowing fluid, an increase in speed is accompanied by a decrease in pressure.

So, when the output pressure is greater than the input pressure, the fluid will flow from high pressure to low pressure, resulting in an increase in speed.

To illustrate this, let's consider a simple example. Imagine you have a horizontal pipe filled with water.

If you increase the pressure at the output end of the pipe, the water will flow faster at the output because the pressure difference between the input and output ends has increased.

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Answer:

Explanation:

alpha

Alpha Radiation (α): A large, unstable nucleus decays to produce a smaller, more stable nucleus and an alpha particle (identical to a helium nucleus, ⁴₂He or ⁴₂α).

It has a very high ionizing energy and low penetrating power. It can be stopped by paper skin

Beta Radiation (β): A neutron in an unstable nucleus decays, forming a proton and emitting a beta (β) particle (identical to an electron, ⁰₋₁e or ⁰₋₁b) and resulting in a more stable nucleus.

It has high ionizing energy and penetrating power. It can be stopped by aluminium sheet

Gamma Radiation (γ): An unstable nucleus releases energy in the form of a high energy photon (no mass)to become more stable; this often accompanies other forms of radioactivity.

It has very high penetrating power and very low ionizing energy. It can be stopped by lead block.

The energy delivered in each pulse is 690 Joules. The average value of the magnitude of the electric field is  1.303 × 10¹¹ V/m.

A region of space surrounding an electrically charged particle or object known as an electric field is one in which an electric charge would experience force. A vector quantity called an electric field can be represented by arrows pointing in the direction of or away from charges.

Pulse emitted = 2.9 × 10(-9) s

Radius = 4.1 × 10⁻³ m

Power= 2.38 × 10¹¹ W

Energy = U=P × t

=2.9 × 10⁻⁹ ×2.38 × 10''

= 690 Joule

The electric field RMS value is given by

S= P/A = cε₀ E²(rms)

\(E_{rms}= \sqrt{\frac{P}{Ac\epsilon_{0}} } \\=\sqrt{\frac{2.38\times 10^{11}}{\pi((4.1\times10^{-3})^{2})(3\times10^{8})(8.85\times10^{-12})}\)

= 1.303 × 10¹¹ V/m

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The maximum voltage for which the voltage source is not supplying power when connected to the circuit is 2 V.

To determine the maximum voltage for which the voltage source is not supplying power, we need to find the voltage at which the circuit is consuming the maximum amount of power. We can do this by finding the voltage at which the product of current and voltage is maximum.

Using the given current-voltage response of the circuit, we can plot a graph of power vs voltage. From the graph, we can see that the circuit consumes maximum power at 2 V. At this voltage, the product of current and voltage is maximum, indicating that the circuit is consuming the most power.

Therefore, any voltage higher than 2 V will cause the voltage source to supply power to the circuit, while any voltage lower than 2 V will cause the circuit to consume power from the voltage source.

The maximum voltage for which the voltage source is not supplying power when connected to the circuit is 2 V, as at this voltage the circuit consumes the maximum amount of power.

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The speed at which the paper clip be launched horizontally, given that the paper clip has a mass of 0.01 Kg is 5.81 m/s

We'll begin by obtaining the energy stored in the stored in rubber. This is shown below:

E = ½Ke²

E = ½ × 15× 0.15²

E = 7.5 × 0.0225

E = 0.16875 J

Finally, we shall determine the speed. Details below:

KE = ½mv²

0.16875 = ½ × 0.01 × v²

0.16875 = 0.005 × v²

Divide both side by 0.005

v² = 0.16875 / 0.005

Take the square root of both side

v = √(0.16875 / 0.005)

v = 5.81 m/s

Thus, the speed is 5.81 m/s

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Answer: 510 in Newton’s and 115 lbs

Explanation:

Considering the definition of weigh, Lisa weighs 0.5096 N or 0.1146 pounds.

Mass is the amount of matter that a body contains, while weight is the action exerted by the force of gravity on the body. That is, weight is a measure of how much force gravity exerts on the mass of an object.

The mass of an object will always be the same, no matter where it is located. Instead, the weight of the object will vary according to the force of gravity acting on it.

Weight can be calculated as the product of mass and acceleration due to gravity:

W=m×g

In this case, you  know:

Replacing in the definition of weigh:

W=0.052 kg×9.8 m/s²

Solving:

W= 0.5096 N

1 newton equals 0.2248 pound. Then W=0.5096 N= 0.1146 Pounds

Finally, Lisa weighs 0.5096 N or 0.1146 pounds.

Learn more:

V1= IR1= 0.50×2 = 1 V

V2= IR2= 0.50×4= 2 V

V3= IR3= 0.50×5= 2.5 V

V4= IR4= 0.50×7 = 3.5 V

Answer:

The train's acceleration is 4.5 m/s²

Explanation:

The train's speed increased by 45 m/s after 10 seconds, which means that it's speed increased by 4.5 m/s each second, or rather 4.5m/s²

Answer:

bada bop boop pow

Explanation:

Answer:

2500kgm/s

Explanation:

Change in momentum is equal to impulse, numerically.

Ft=m( v-u)

But he begins from rest so u= 0

Then

Ft= mv

500(5)=mv

2500= mv