What is the function of the thesis statement?

to explain your opinion and the main ideas

to introduce your topic and main ideas

to persuade the reader to think or act a certain way

to summarize the information in the essay

To determine the velocity at t = 1 s, we need to know the equation or function that describes the ball's motion. Once we have this equation, we can substitute t = 1 s into it and solve for the velocity.

The velocity of an object is the rate of change of its position with respect to time. To find the velocity of the ball at t = 1 s, we need more information such as the equation or function that describes the motion of the ball.

Without this information, it is not possible to provide a specific numerical value for the velocity at t = 1 s. However, we can discuss how to calculate the velocity using the given information.
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Answer:

a) Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2).

b) Using the equation  equals plus a half squared gives us is equal to 13.5 multiplied by 10 plus a half multiplied by an eighth multiplied by 10 squared. This gives us a value of of 141.25. Therefore, the total distance covered by the body in the first 10 seconds of its motion is 141.25 meter.

Explanation:

hy this isn't the proper answer but by checking these equations you can get your answer .

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A )

\(acceleration = \frac{∆v}{∆t} = slope \\ \)

Thus ;

\(acceleration = 2 \: \: \frac{m}{ {s}^{2} } \)

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B )

\(v(t) = 2t\)

So ;

\(v(60) = 2 \times (60)\)

\(v(60) = 120\)

_________________________________

Point :

The area which is under the figures in v-t graphs , shows the distance traveled.

_________________________________

Thus ;

\(distance \: traveled = \frac{1}{2} \times (60) \times 120 \\ \)

\(distance \: traveled \: = 30 \times 120 \\ \)

\(distance \: traveled \: = 3600 \: \: meters \\ \)

Done...

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Answer:

a

Explanation:

f=ma

200=2*m

divide both sides by 2

m=100

Part 1: The number of pathways in a circuit determines the possible routes for electric current to flow.

There are maximum of five pathways in this circuit, depending on its complexity and the arrangement of components.

Part 2: Determining whether the circuit is series or parallel requires more information.

In a series circuit, components are connected in a single path, and the current flows through each component sequentially.

If the circuit has only one pathway (zero or one pathway), it suggests a series circuit.

However, if the circuit has multiple pathways (two or more pathways), it indicates a parallel circuit.

To conclusively determine the circuit's nature, we need to analyze the circuit diagram or obtain additional details regarding the component connections and their interactions.

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The total mechanical energy per unit mass of the river water with respect to the surface of the lake is equal to 61,550 m2/s2.

Mechanical energy is the energy possessed by an object due to its motion or due to its position relative to a force. It is the energy associated with the motion and position of an object. It is the energy used to perform work. It is the sum of kinetic energy and potential energy. Kinetic energy is the energy of motion while potential energy is energy stored due to the position of an object. Mechanical energy can be transformed from one form to another, but the total amount of energy remains the same.

The total mechanical energy per unit mass (or specific energy) of the river water with respect to the surface of the lake is equal to the sum of the potential energy (PE) and the kinetic energy (KE) of the river water.

PE = mgh = 1000 m3/s * 9.81 m/s2 * 5m = 49,050 m2/s2

KE = 0.5 * m * v2 = 0.5 * 1000 m3/s * (5 m/s)2 = 12,500 m2/s2

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Answer:

hi

Explanation:

how r u

Answer: The width of bands will be 2λ

Explanation: Please see the attachments below

Answer:

Electromagnets are widely used as components of other electrical devices, such as motors, generators, electromechanical solenoids, relays, loudspeakers, hard disks, MRI machines, scientific instruments, and magnetic separation equipment.Explanation:

Answer:

b) Quartz Clock

Explanation:

It's is a very type of clock which uses the vibration of quartz crystals to measure time accurately

Answer:

The valence electrons is the number of electrons in the outermost shell of an atom, it is the same as the group number;

Valency refers to the ability of an atom to form covalent bonds with another atom and corresponds to the group of the atom:

Group 1: valency +1

Group 2: valency +2

Group 3: valency +3

Group 4: valency +4 (also -4)

Group 5: valency -3

Group 6: valency -2

Group 7: valency -1

Group 8: valency 0

In a series circuit, components are connected end-to-end in a single path, so the current flows through each component in turn. And in a parallel circuit, components are connected in multiple paths, so the current can flow through more than one path simultaneously.

1. Series Circuit:
To measure the potential difference across a resistor in a series circuit, follow these steps:

a. Turn off the power source.
b. Connect the positive terminal (red) of the voltmeter to one end of the resistor.
c. Connect the negative terminal (black) of the voltmeter to the other end of the resistor.
d. Turn on the power source.
e. Read the voltmeter to determine the potential difference across the resistor.

2. Parallel Circuit:
To measure the potential difference across a resistor in a parallel circuit, follow these steps:

a. Turn off the power source.
b. Connect the positive terminal (red) of the voltmeter to the node where the resistor is connected to the power source.
c. Connect the negative terminal (black) of the voltmeter to the node where the resistor is connected to the ground or the return path of the circuit.
d. Turn on the power source.
e. Read the voltmeter to determine the potential difference across the resistor.

Remember that the voltmeter should always be connected in parallel with the component (in this case, the resistor) to accurately measure the potential difference.

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\(\\ \sf\longmapsto s=ut+\dfrac{1}{2}at^2\)

\(\\ \sf\longmapsto 163=0(6.92)+\dfrac{1}{2}a(6.92)\)

\(\\ \sf\longmapsto 163=3.46a\)

\(\\ \sf\longmapsto a=\dfrac{163}{3.46}\)

\(\\ \sf\longmapsto a=47.1m/s^2\)

No, the sun cannot explain global warming. Global warming is a phenomenon in which the temperature of the Earth's surface and atmosphere is rising continuously due to human activities such as deforestation, burning of fossil fuels, and industrialization.

This increase in temperature cannot be explained only by an increase in solar radiation.There are several factors which contribute to global warming, including greenhouse gases such as carbon dioxide, methane, and water vapor. These gases trap heat in the Earth's atmosphere, which causes the planet's temperature to rise. The sun's radiation does contribute to global warming, but it is not the main cause.

i) To calculate the increase in solar radiation that would cause the Earth to warm up by 1 K, we can use the following formula:ΔS = ΔT / αWhere ΔS is the increase in solar constant, ΔT is the increase in temperature, and α is the Earth's albedo (reflectivity).α = 0.30 is the standard value used for the Earth's albedo.ΔS = ΔT / αΔS = 1 K / 0.30ΔS = 3.33 W/m2So, to explain the increase in temperature of 1 K over the last hundred years, the solar constant would need to increase by 3.33 W/m2.

ii) The observed fluctuation of the solar constant over the past 400 years has been around 0.1% to 0.2%. This is much smaller than the 3.33 W/m2 required to explain the increase in temperature of 1 K over the last hundred years. Therefore, it is unlikely that the sun is the main cause of global warming.

The sun cannot explain global warming. While the sun's radiation does contribute to global warming, it is not the main cause. The main cause of global warming is human activities, particularly the burning of fossil fuels, which release large amounts of greenhouse gases into the atmosphere.

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Answer:

please provide more information about the question so that I can help you

The density of a substance can the found when you divide mass by the volume.

i.e Density = mass / volume.

Density can simply be defined as the ratio of mass per unit volume of a substance. Density is messed in kilograms per meters cubed ( kg/m3 )

Density is a derived physical quantity. This implies that it is derived from the combination of fundamental quantities

Derived quantities are those physical quantities which are derived from the combination of one or more fundamental quantities by addition or multiplication or division.

So therefore, the density of a substance can the found when you divide mass by the volume.

i.e Density = mass/volume.

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The correct answer is option B) The drag forces are 0.

When an object is moving at a constant velocity, the net force acting on it is zero. This means that the forces exerted in the opposite direction, such as drag forces or frictional forces, are balanced by the applied force.

In this case, the horse is exerting a force of 400 N to pull the buggy. Since the velocity is constant and there is no acceleration, we can conclude that the drag forces and other opposing forces are balanced by the applied force. Therefore, the drag forces are 0.

Option A) The drag forces total to 400 N is incorrect because the total drag forces are not equal to the applied force in this scenario.

Option C) The drag forces cannot be determined from the information given is also incorrect because we can determine that the drag forces are 0 based on the given information of constant velocity and applied force.

Option D) All of the above and option E) None of the above are incorrect based on the above explanations.

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The correct answer is option B. This statement is false.

Antoine Lavoisier in the year 1789 gave few of his postulates.

One of the major discovery was based on mass. He said "mass can never be created nor destroyed, it remains the same all time".

This was a major discovery that outlined the figure of mass as constant.

With this discovery he also gave a postulates about mass in chemical reaction.

In chemical reaction, there are many irreversible changes takes place and many times it is forming a whole new product.

In such condition also mass remains the same.

This is how the conservation of mass came into light.

The law states that "in chemical reaction the mass can never be changed. The mass of product will be the mass of reactants, only, the form might change."

For example, if we take 5 g of salt and 25 ml water as reactants and we mix them together then after mixing them together the salt will be 5 g only and the water will also remain 25 ml.

This is the law of conservation of mass which states mass of reactants is equal to the mass of product. And thus, the statement given in the question is false.

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Equipment that is operated by a fluid under pressure, such as water or oil, is known as a hydraulic system. These systems use pressurized fluid to transmit power and perform various tasks, like lifting heavy loads or operating machinery. Common examples of hydraulic equipment include excavators, car jacks, and hydraulic brakes.

The type of equipment that is typically operated by a fluid that is under pressure, such as water or oil, includes hydraulic equipment and pneumatic equipment.

These types of equipment use the pressure of the fluid to power various mechanisms and perform tasks, such as lifting heavy objects or moving machinery.

Examples of hydraulic equipment include hydraulic presses, cranes, and excavators, while examples of pneumatic equipment include air compressors, drills, and pumps.

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Answer:

Kinetic energy and momentum are conserved.

Explanation:

Answer:

the correct Option is Kinetic

Explanation:

Correct on EDGE2022

The amount of heat transfer that is required when the process is done during a constant - volume process is 64, 921. 00 Joules

To find the amount of heat transfer during a constant-volume process, for a diatomic gas, the formula is :

= 5 / 2 x R

Expanded, this is:

Heat transfer = n Cv Δ T

The amount of heat transfer is therefore :

= ( 1, 000 / 32 ) x ( 5 / 2 R ) x ( 120 - 20 )

= ( 1, 000 / 32) x ( 5 / 2 x 0. 31) x 100

= 64, 921. 00 Joules

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The full question is:

1 kg of oxygen is heated from 20 to 120°C. Determine the amount of heat transfer required when this is done during a constant-volume process.

"The slingshot converts elastic potential energy to kinetic energy."

As we already know that the elastic energy is stored in the sling when the slingshot is stretched to a certain extent,

U = 1/2 k x²

where,

k is elastic constant of the sling

x is the elongation of the sling

When we release the sling from that position then the shot will move with certain kinetic energy from it and sling comes to its natural length.

We can therefore conclude that the elastic potential energy of the sling will transform into the kinetic energy in this situation.

Thus, the answer is from elastic potential energy to kinetic energy.

The given question is incomplete. The complete question is ' The slingshot converts elastic potential energy to ___ energy.'

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Answer:

The finger moves at a changing rate along Line 2.

Explanation: Hope this helped! :p

Answer:

hide sample answer

The finger moves at a changing rate along Line 2.

Explanation:

The total amount of energy a star radiates in one second is called its luminosity.

Luminosity is a fundamental property of a star radiates that measures the total amount of energy it radiates per unit of time. It is often described as the star's intrinsic brightness or power output. Luminosity is typically measured in units of watts (W) or solar luminosities (L☉), which represent the amount of energy emitted by the star relative to the Sun's luminosity.

The luminosity of a star is a result of the energy generated within its core through nuclear fusion processes. In stars like our Sun, hydrogen atoms are converted into helium through fusion reactions, releasing a tremendous amount of energy in the process. This energy radiates outward in the form of electromagnetic radiation, including visible light, infrared radiation, ultraviolet radiation, and other wavelengths.

Luminosity is an important characteristic of stars as it provides insights into their size, temperature, and overall energy output. By studying the luminosity of stars across different wavelengths, astronomers can classify them into various spectral types and determine their evolutionary stage.

Additionally, luminosity measurements allow astronomers to estimate the distance to stars, known as the luminosity distance, which is a crucial parameter in determining the scale of the universe.

Overall, the luminosity of a star provides valuable information about its energy production and plays a significant role in our understanding of stellar properties and the broader field of astrophysics.

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Answer:

10.71 mL

Explanation:

We know,

=> density= mass/volume

=> 1.4 = 15 / Volume

=> volume= 15/1.4 mL

=> volume= 10.71 mL

As the voltage is increased, the power losses would decrease.

We now that the term power loss has to do with the loss that occurs as a result of the heating effect of current. The transmission of power at high voltage tends to reduce the power losses that accompanies the transmission of power at a lower voltage and a high current.

As such, when we have the operating voltage of a power line is increased from 300 kV to 600 kV we can see that the voltage has doubled and this would mean that the transmission is now at a much higher voltage which would reduce the power losses even further.

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Answer:

6.0 m/s vertical and 9.0 m/s horizontal

Explanation:

For the vertical component, we use the formula:

Then we solve for y:

And for the horizontal component, we use the formula:

Then we solve for x:

So the answer is " 6.0 m/s vertical and 9.0 m/s horizontal".