An electric fan is made up of several simple machines. Tell where you would find an inclined plane on a fan. Also, tell where you would find a wheel and axle.

Answer:

75 cm/second.

Explanation:

Formula:

Walking speed = stride length / time per step

Walking speed = 90cm/time per step

                         = 90cm/1.2 seconds (a common estimate time per step)

                         = 75cm/second.

Gravitation, in the context of class 10, refers to the natural force of attraction between objects that have mass. It is the force that pulls objects towards each other. Gravitation is responsible for various phenomena, such as keeping objects on the ground, causing celestial bodies like planets and moons to orbit, and influencing the motion of objects in the universe. This fundamental force is described by Newton's law of universal gravitation and plays a crucial role in understanding the behavior of objects in the universe.

~~~Harsha~~~

1.The driver has traveled a distance of 23 km.

2.The driver's total displacement is 17 km east.

1.The distance traveled by the driver can be calculated by adding the distances traveled in each leg of the journey:

Distance traveled = (8 km) + (3 km) + (12 km) = 23 km

2.The driver's total displacement takes into account not only the distance traveled but also the direction. To calculate the displacement, we need to consider the net distance and direction from the starting point to the final position.

The driver initially travels 8 km east, then 3 km west, and finally 12 km east. Since the driver is traveling back and forth, the net displacement can be found by subtracting the distance traveled west from the distance traveled east:

Net displacement = (Distance traveled east) - (Distance traveled west)

= (8 km + 12 km) - (3 km)

= 20 km - 3 km

= 17 km

The driver's total displacement is 17 km east.

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In this lesson, I have learned that physical fitness tests are essential in assessing and measuring various aspects of our physical well-being.

They provide valuable information about our current fitness levels, strengths, and areas that require improvement. These tests help in determining our overall health, identifying potential health risks, and developing personalized fitness programs.

Based on the results of my physical fitness tests, I have found out that I am capable of doing a moderate level of cardiovascular endurance exercises, such as running or cycling, and I have good flexibility.

However, I need improvement in my muscular strength and endurance, as well as my agility and coordination. These areas require more attention and targeted exercises to enhance my overall physical fitness.

The health-related fitness component that I like the most is cardiovascular endurance because it allows me to engage in activities that raise my heart rate and improve the efficiency of my cardiovascular system.

It not only enhances my overall stamina but also has numerous health benefits, such as reducing the risk of cardiovascular diseases and improving mental well-being.As a student, I will promise to incorporate regular physical activity into my daily routine.

I understand that physical fitness is crucial for my overall well-being and academic performance. I will make a conscious effort to engage in activities that target my areas of improvement, such as strength training exercises and agility drills.

Additionally, I will strive to maintain a balanced and nutritious diet to support my physical fitness goals. By prioritizing my health and fitness, I aim to lead a more active and fulfilling lifestyle while achieving my academic objectives.

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Answer:

83.13 degree Celsius folks!

Explanation:

Q = msdT

Here is how you do it fella's! First off Let us know abt the above terms shall we?

Where:

Q is the heat energy absorbed by the water,

m is the mass of the water,

s is the specific heat capacity of water,

dt is the change in temperature.

Given:

Q = 3.6 x 10^5 J

m = 2 kg

s= 4,186 J/kg°C (specific heat capacity of water)

Initial temperature, T_initial = 40°C

Rearranging the formula, we have:

dt = Q / (ms)

Substituting the given values:

dt = (3.6 x 10^5 J) / (2 kg * 4,186 J/kg°C)

Calculating:

dt ≈ 43.13°C

To find the final temperature, we add the change in temperature to the initial temperature:

Final temperature = T_initial + dT(above formed temp)

Final temperature = 40°C + 43.13°C

Final temperature = 83.13°C

Therefore, the correct final temperature of the water is approximately 83.13.

The depth below the surface of the ocean where the total pressure is 1.105-108 Pa is 1.076 × 10⁶ meters.

Using hydrostatic pressure equation, which relates pressure, density, and depth in a fluid:

P = P₀ + ρgh

Where:

P is the total pressure at depth h,

P₀ is the atmospheric pressure (assuming it is negligible),

ρ is the density of the fluid (ocean water),

g is the acceleration due to gravity.

Given:

ρ = 1.025 g/cm³ * (1000 kg/1 g) * (1 m/100 cm)³

  = 1025 kg/m³

g = 9.8 m/s².

Now, we can rearrange the equation to solve for the depth h:

h = (P - P₀) / (ρg)

Substituting the given values:

h = (1.105 × 10⁸ Pa) / (1025 kg/m³ * 9.8 m/s²)

Calculating this expression:

h ≈ 1.105 × 10⁸ Pa / (1025 kg/m³ * 9.8 m/s²)

 ≈ 1.105 × 10⁸ m²/(kg·s²) / (1025 kg/m³ * 9.8 m/s²)

 ≈ 1.105 × 10⁸ m / (1025 * 9.8) m

 ≈ 1.076 × 10⁶ m

Therefore, the depth below the surface of the ocean where the total pressure is 1.105-108 Pa is approximately 1.076 × 10⁶ meters.

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To hear the third harmonic of a standing sound wave at a frequency of 340 Hz, the length of the closed air column should be approximately 4.55 meters.

The formula for the length of a closed-closed air column in resonance can be used to calculate the length of the air column necessary to hear the third harmonic of a standing sound wave:

L = (4/n) * v/f

Where L represents the height of the air column, n the harmonic number, v the air speed, and f the desired harmonic frequency.

Given:

25°C (298 K) is the ambient temperature.

The required harmonic's (f) frequency is 340 Hz.

(n) = 3 for the harmonic number

At room temperature, the speed of sound in air can be roughly calculated to be 343 m/s. It must be adjusted for the current air temperature because the speed of sound is temperature-dependent.

Using the equation: v = 331.5 + 0.6 * T, where T is the Celsius value of the air temperature.

If T = 25 °C is used in the formula:

v = 331.5 + 0.6 * 25 v ≈ 331.5 + 15 v ≈ 346.5 m/s

We can now determine how long the air column is:

4.55 metres for L = (4/3) * 346.5 / 340 L.

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Answer:

-391. 1077613

Explanation:

Answer:248.3

Explanation: Acellus

(Credit to guy above in comments)

De acuerdo con la información podemos inferir que la rapidez media de la anciana es de 0.03 km/min.

Para calcular la rapidez media, dividimos la distancia recorrida por el tiempo empleado. En este caso, la anciana caminó 0.30 km en 10 minutos. Para obtener la rapidez media, dividimos 0.30 km entre 10 minutos, lo que nos da un valor de 0.03 km/min. Por lo tanto, la anciana tiene una rapidez media de 0.03 km/min.

La rapidez media se expresa en unidades de distancia divididas por unidades de tiempo. En este caso, la anciana recorrió una distancia de 0.30 km en un tiempo de 10 minutos, lo que nos da una rapidez media de 0.03 km/min. Esto significa que en promedio, la anciana camina 0.03 kilómetros por minuto durante su recorrido alrededor del centro comercial.

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The statement "To determine the weight of the capacitor the z components of Cable 1 and 2 (both positive) are added together" is false.

To calculate precisely how much pressure a particular capacitor is enduring, it is necessary to take into account both Cable 1 and Cable 2's corresponding z components in combination.

We then proceed by multiplying that number using acceleration caused by gravity in order to ascertain its overall weight.

The force on the capacitor is calculated as follows:

W = F * g

Where;

W is the weight of the capacitor

F is the force on the capacitor

g is the acceleration due to gravity

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The acceleration of the car is 1 m/s².

As the car is at rest in the beginning,

the initial velocity of the car = 0 m/s

Final velocity after 20 seconds = 20 m/s         (given)

We know that,

Acceleration of an object = Rate of change of the velocity of the object

Now,

change in velocity of the car = final velocity of the car - initial velocity of                      the car

                                                = 20 m/s - 0 m/s

                                                = 20 m/s

And, rate of change of velocity = change in velocity/time taken

                                                    = 20/20 m/s²

                                                    = 1 m/s²

Hence, the acceleration of the car is 1 m/s².

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Answer:

3÷5 1.2÷2 ×8i I think that is the best

To remove an ice plug from a production pipe, you can follow these general steps:

Safety precautions: Ensure you are wearing appropriate personal protective equipment (PPE) such as gloves and eye protection. Ice removal procedures can involve using sharp tools or applying pressure, so safety is paramount.

Identify the location of the ice plug: Determine the exact location of the ice plug in the production pipe. This information will help you plan the removal procedure effectively.

Thawing the ice plug: There are several methods to thaw the ice plug, depending on the circumstances and available resources. Here are a few commonly used techniques:

a. Heat application: Use a heat source such as a heat gun or an electric heat blanket to warm the pipe and melt the ice. Be cautious not to apply excessive heat, as it could damage the pipe or create safety hazards.

b. Hot water circulation: If possible, circulate hot water through the pipe to gradually melt the ice plug. This method is often used when dealing with larger ice blockages.

c. Steam injection: Injecting steam into the pipe can provide efficient heat transfer and accelerate the melting process. However, this method requires specialized equipment and should be performed by trained personnel.

d. Chemical agents: In some cases, specific chemicals may be used to lower the freezing point of the ice or promote melting. However, this method should be used cautiously, considering the potential environmental impact and the compatibility of chemicals with the pipe material.

Monitor progress: As you apply the thawing method, periodically check the pipe to monitor the progress. Be patient and avoid using excessive force, as sudden releases of pressure can be hazardous.

Assist the melting process: To expedite the melting of the ice plug, you can gently tap the pipe or use non-abrasive tools to break up any loose ice. This can help facilitate the flow of water and aid the thawing process.

Maintain a controlled environment: If possible, create a controlled environment around the affected pipe section. Insulating the pipe or providing external heat sources can help maintain a higher temperature and prevent further freezing.

Resume production: Once the ice plug has completely melted, inspect the pipe for any damage or residual ice fragments. Ensure the pipe is clear before resuming production.

It is important to note that the specific procedure may vary depending on the size and material of the production pipe, as well as the available resources and safety protocols. When dealing with critical systems or complex ice plug situations, it is advisable to consult with experts or professionals with experience in ice plug removal.

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Answer: mindsets can affect learning

Explanation: negative mindsets vs positive ones, individually affect someone. As everyone is different, this could differ between certain people(s). Generally, it is thought the more positive the mindset, the more positive the affect.

The true statement about the electric potential for the equipotential surface is  [tex]V_A = V_B = V_C[/tex]

A surface with an equipotential potential is one where all points on the surface have the same electric potential. .

That is an equipotential surface is that surface at every point of which, the electric potential is the same.

The formula for the potential across every point on the surface is given as;

V = F/Q x R

V = ER

where;

Since the surface is equipotential with uniform electric across the surface, the electric potential at any point across the surface will be the same.

So [tex]V_A = V_B = V_C[/tex]

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The distance between two objects of radius 6 cm and 2 cm is zero

To find the distance between two objects with radii of 6 cm and 2 cm, we need to consider the center-to-center distance between the objects and subtract the sum of their radii.

Let's denote the radii of the objects as r1 = 6 cm and r2 = 2 cm.

The distance between the centers of the objects can be represented as d = r1 + r2. Adding the radii ensures that we account for the space occupied by both objects.

Substituting the values, we have d = 6 cm + 2 cm = 8 cm.

Now, to find the actual distance between the objects, we subtract the sum of their radii from the center-to-center distance:

Distance = d - (r1 + r2) = 8 cm - (6 cm + 2 cm) = 8 cm - 8 cm = 0 cm.

The resulting distance is 0 cm, indicating that the objects are in direct contact with each other. This means that their surfaces are touching. When the distance between two objects is zero, it implies that they are overlapping or in physical contact. In this case, since the distance is equal to 0 cm, the two objects are touching each other, with their surfaces coming into contact.

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Lewis's structure is defined as the structure of atoms and their positions within the molecular representation. It is the simplest structure of the valence shell representation of electrons of the molecule.

From the given,

Lewis structure of the carbonate ion has two single bonds to negative oxygen atoms and one short double bond to neutral oxygen. The carbon atom was surrounded by three oxygen atoms.

Lewis structure of ammonium ion, There are four sigma bonds of around the nitrogen atom. Nitrogen is surrounded by hydrogen bonds. The shape of NH₄⁺ is tetrahedral shape.

Lewis structure of boron trifluoride is, BF₃ has one boron atom and three fluoride atoms. The valency of fluorine is 7 and one electron is involved in bond formation with boron, leaving it with three lone pairs to form an octet. The boron atom has three electrons and involves bonding.

Lewis structure of bicarbonate ion, the bicarbonate ion has 24 electrons and 12 electron pairs. Bonding electrons involves 10 electrons and hence it forms 7 lone pairs or 14 electrons. The oxygen atom has 3 lone pairs that forms double-bonded oxygen.

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Andrea's displacement after 137 seconds is 824.74 meters to the east. This means that she has moved a distance of 824.74 meters in the eastward direction from her starting position.

Andrea's displacement after 137 seconds can be calculated by multiplying her average speed by the time traveled. Since she is running to the east, her displacement will be positive.

Displacement is given by the formula: Displacement = Average speed × Time

Substituting the given values, we have: Displacement = 6.02 m/s × 137 s

Calculating this expression, we find: Displacement = 824.74 m Displacement is a vector quantity that not only represents the magnitude (distance) but also the direction of motion. In this case, Andrea's displacement is positive because she ran to the east, indicating a displacement in the positive x-direction.

It's important to note that displacement is different from distance. While distance refers to the total path traveled, displacement only considers the change in position from the starting point to the final position.

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The distance covered by the particle in 10 seconds is 0 meters.

Given that the particle starts from rest and moves with a constant acceleration of 0. Sms-s, we can use the equation of motion to determine the distance covered by the particle in 10 seconds.

The equation for distance covered (s) by an object with constant acceleration can be expressed as:

s = ut + (1/2)at²,

where u is the initial velocity (which is zero in this case), a is the constant acceleration, and t is the time taken.

In this scenario, the particle starts from rest, so its initial velocity (u) is 0 m/s. The acceleration (a) is given as 0 m/s². The time (t) is 10 seconds.

Substituting the given values into the equation, we have:

s = 0(10) + (1/2)(0)(10)² = 0 + 0 = 0.

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To determine the unit vector using the components and magnitude of a vector, hence option A is correct.

We can use the following relationship:

Let's consider a force vector F with components Fx, Fy, and Fz, and a magnitude of |F|. The unit vector u in the direction of F can be expressed as:

u = (Fx/|F|) i + (Fy/|F|) j + (Fz/|F|) k

Here, i, j, and k represent the unit vectors in the x, y, and z directions, respectively.

This relationship ensures that the resulting vector u has a magnitude of 1, representing a unit vector.

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The correct statement is that the speed of the particle increases by 4 m/s during each second.

The correct answer is Option C.

The statement that accurately describes the motion of the particle is:

"The speed of the particle increases by 4 m/s during each second."

Given that the particle is accelerated at a constant rate of 4 m/s², its speed (velocity magnitude) increases by 4 m/s every second. This means that after the first second, the particle will have a speed of 4 m/s. After the second second, the speed will be 8 m/s, and so on. The rate of increase in speed is constant at 4 m/s per second.

The other statements are not accurate:

The final velocity of the particle will not be proportional to the distance covered. The final velocity depends on the time of acceleration, not the distance covered.

The particle does not necessarily travel exactly 4 meters during the first second or each second. The distance traveled depends on the initial conditions, such as the starting position and time of observation.

The acceleration of the particle remains constant at 4 m/s². It does not increase by 4 m/s² during each second.

The correct answer is Option C.

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Thandeka's identity formation is influenced by factors such as family, personal interests, peers, and sexuality exploration, while adolescent friendships differ in intensity, self-disclosure, peer acceptance, and social comparison, and social media impacts connectivity, identity expression, peer influence, and potential negative effects, with teachers playing a role in supporting identity formation through creating a safe environment, offering diverse opportunities, encouraging self-expression, promoting acceptance, and providing access to resources.

4.1 Factors that may contribute to Thandeka's identity formation:

Family influence: Thandeka's parents' beliefs about practical career choices may impact her perception of what is considered acceptable or successful. Their views can influence her decisions and self-perception.

Personal interests and passions: Thandeka's interest in art and music can be significant factors in her identity formation. These activities may provide her with a sense of purpose and fulfillment.

Peer influence: Thandeka's friends and social circle can play a role in shaping her identity. Their opinions, values, and behaviors may influence her choices and self-perception.

Sexuality exploration: Thandeka's struggle with her sexuality is a crucial aspect of her identity formation. Exploring and understanding her sexual orientation is a common process during adolescence.

4.2 Adolescent friendship relationships differ from previous phases in several ways:

Intensity and importance: Friendships become more significant and emotionally intense during adolescence. Peers play a crucial role in identity formation and provide emotional support.

Self-disclosure: Adolescents often share personal thoughts, feelings, and experiences with their friends, which helps them explore and understand their own identity.

Peer acceptance: Peer acceptance becomes increasingly important during adolescence, and friends' opinions and approval can strongly influence self-esteem and self-perception.

Social comparison: Adolescents may compare themselves to their peers to evaluate their own identity and determine where they fit in socially.

4.3 Social media's role in peer interactions and friendships:

Connectivity: Social media platforms provide opportunities for adolescents to connect and communicate with their friends, expanding their social networks beyond physical boundaries.

Identity expression: Adolescents can use social media to express their identity, interests, and opinions, allowing them to explore and experiment with different aspects of themselves.

Peer influence: Social media platforms expose adolescents to the thoughts, behaviors, and trends of their peers, which can impact their self-perception and decision-making processes.

Cyberbullying and negative impact: Social media can also contribute to negative experiences, such as cyberbullying or unhealthy comparisons, which may affect self-esteem and well-being.

4.4 How a teacher can support the identity formation process of an adolescent:

Create a safe and inclusive classroom environment: Foster an atmosphere where students feel comfortable expressing themselves and discussing their identities without fear of judgment or discrimination.

Offer diverse learning opportunities: Provide a range of activities and subjects that allow students to explore different interests and passions, including art and music.

Encourage self-reflection and self-expression: Assign projects or assignments that require students to reflect on their identities, interests, and goals. Allow them to express themselves creatively and personally.

Promote understanding and acceptance: Incorporate discussions and lessons on diversity, inclusivity, and acceptance of different identities, including sexual orientation. Encourage empathy and respect for others.

Provide access to supportive resources: Make students aware of resources within the school or community that can provide guidance and support for their identity exploration, such as counseling services or LGBTQ+ support groups.

Therefore, It's important to note that individual experiences may vary, and a holistic and sensitive approach is necessary when supporting students' identity formation.

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Potential at C with respect to B is +65 volts (C with respect to ground) - +80 volts (B with respect to ground) is -15 volts with respect to B.

To find the potentials at B, C, and D with respect to the ground:

Potential at B with respect to ground:

Since A is at +100 volts with respect to ground and +20 volts with respect to B, we can deduce that B is 100 - 20 = +80 volts with respect to ground.

Potential at B = +80 volts with respect to ground.

Potential at C with respect to ground:

C is at +15 volts with respect to D, and D is at +50 volts with respect to E. Since E is at ground potential (0 volts), we can calculate the potential at C with respect to ground by adding the potentials:

Potential at C = +50 volts (D with respect to E) + 15 volts (C with respect to D) = +65 volts with respect to ground.

Potential at D with respect to ground:

D is at +50 volts with respect to E, and E is at ground potential (0 volts). Therefore, the potential at D with respect to ground is:

Potential at D = +50 volts (D with respect to E) + 0 volts (E with respect to ground) = +50 volts with respect to ground.

Now, let's calculate the potential at C with respect to B and D:

Potential at C with respect to B:

We know that A is at +20 volts with respect to B. Combining this information with the potential at A (+100 volts with respect to ground), we can determine the potential at B with respect to ground:

Potential at B = +100 volts with respect to ground - +20 volts (A with respect to B) = +80 volts with respect to ground.

Since we already calculated the potential at C with respect to ground as +65 volts, we can find the potential at C with respect to B:

Potential at C with respect to B = +65 volts (C with respect to ground) - +80 volts (B with respect to ground) = -15 volts with respect to B.

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Total distance travelled is 35m and displacement is 25m.

Distance: Distance is a scalar that expresses the total distance traveled by an object. It's a measure of physical distance that's covered and always good. The distance has nothing to do with the direction, only the magnitude of the change is determined.

Displacement: Displacement is the vector of change in the position of an object. It takes into account the magnitude and direction of change in position from the starting point to the ending point. Perception can be positive, negative or zero depending on the direction of movement.

Total distance = 15m + 20m

Total distance = 35m

Displacement = [tex]\sqrt{15^{2} +20^{2} \\}[/tex]         (as both are perpendicular to each other)

Displacement = 25m

Therefore, Total distance is 35m and displacement is 25m.

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