3- The period of the simple pendulum depends on:
a. The mass of the bob.
b. The length of the pendulum.
c. Both mass of the bob and the length of the spring.

The importance of a studying anthropology to teenagers is that help them to know their roles in the society as well as teach them acceptable social behaviour.

Anthropology is the scientific study of human behaviour, culture and language, both in past and present human societies.

A study of anthropology helps to educate teenagers and help them see their roles in the society as well as them acceptable social behaviour.

Area of importance of anthropology include:

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Answer:

The water filled balloon does not burst because the rubber obviously does not reach a temperature sufficient for it to melt or burn. The rubber is stretched thin so that heat is quickly transferred into the balloon. With air inside the balloon, this heat is not readily dissipated away from the spot touching the flame.

The index of refraction of the plastic is  1.36.

The index of refraction (n) of a medium is defined as the ratio of the speed of light in a vacuum (c) to the speed of light in the medium (v):

n = c/v

In this problem, the speed of light in the plastic (v) is given as 2.199 x \(10^8\)m/s. The speed of light in a vacuum (c) is a constant and is equal to 3 x \(10^8 m/s.\)

Plugging these values into the formula for index of refraction, we get:

n = c/v = (3 x \(10^8 m/s\)) / (2.199 x \(10^8 m/s\)) ≈ 1.36

Therefore, the index of refraction of the plastic is approximately 1.36.

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The body is fighting an infection or illness when it has a fever. A body temperature of at least 100.4 degrees Fahrenheit is the threshold for it. If you or someone you know has a fever that high, which is defined as above 39.5 degrees Fahrenheit, it is crucial to get medical assistance.

The Fahrenheit scale of temperatures was developed in the early 18th century by a German physicist by the name of Daniel Gabriel Fahrenheit. At sea level, water has a freezing point at 32 degrees Fahrenheit and a boiling point at 212 degrees Fahrenheit according to this scale. You can use the following equation to convert a temperature from Celsius to Fahrenheit: (°C 9/5) + 32 = °F. A fever of 39.5 degrees Celsius, for instance, is the same as 103.1 degrees Fahrenheit.

Fever is a normal reaction to infection or injury, and it's vital to remember that it's not a sickness. The body's temperature increases to ward off invasive microbes or to speed wound healing. When the body has successfully fought off the infection or the wound has healed, the fever will often go. The fever can be harmful and call for medical attention if it is extremely high or lasts for a long time.

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B) A human hair. Today's nanotechnology-produced computer transistors are roughly equivalent in size to a human hair.

Transistors are electronic devices that are used to amplify or switch electronic signals and electrical power. They are fundamental building blocks of modern electronic devices and integrated circuits. Transistors are typically made from semiconductor materials, such as silicon, and they consist of three layers: the emitter, base, and collector. The size of transistors has been continuously shrinking over the years due to advancements in nanotechnology, allowing for more transistors to be packed onto a single chip, resulting in increased computational power and miniaturization of electronic devices. Today, transistors can be manufactured at the nanoscale, with dimensions on the order of tens of nanometers or even smaller.

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Answer: It has the skill to nest

sorry if I'm wrong

Answer:

B: A colorful beak

Explanation:

i hope this helped!

Hay muchos ejemplos importantes de fuerzas que no funcionan porque actúan perpendiculares al movimiento. Para el movimiento circular, la fuerza centrípeta siempre actúa en ángulo recto con el movimiento. Cambia la dirección del movimiento, pero no funciona en el objeto.

In the peak of summer, it hasn't rained in a week, and the plants are looking rough, so watering the plants for an hour is a good idea.

However, the next day, you come back to the garden, and the plants look in worse shape than they did previously, as if none of that water made it to the plant. Plants absorb water through their roots. The root system of a plant is responsible for drawing water and nutrients from the soil. A plant's root system must be able to absorb water quickly in order for the plant to grow and thrive. When the soil around the root system is dry, the roots will stop growing and will not be able to absorb water.

It may even start to die. Watering plants during the peak of summer is important because it will help keep the soil moist and prevent the roots from drying out. However, watering a plant too much can be harmful. If a plant is overwatered, the water may not be able to penetrate the soil and reach the roots. Instead, it may just sit on top of the soil, causing the roots to rot and die. This can cause the plant to wilt and die.To summarize, if the soil around the plant is too dry, the roots may not be able to absorb the water you gave them, causing the plant to look worse than before. Conversely, overwatering can also be harmful because the water may not be able to penetrate the soil and reach the roots, causing the roots to rot and die.

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The equivalent unit of measure for voltage, V, is volts (V).

In the equation P = I × V, the power, P, is measured in joules per second (J/s). The current, I, is measured in coulombs per second (C/s). To determine the unit of measure for voltage, we rearrange the equation to solve for V: V = P / I.

Since power is measured in joules per second (J/s) and current is measured in coulombs per second (C/s), dividing power by current will give us the unit for voltage. The resulting unit is volts (V). Therefore, volts (V) is the equivalent unit of measure for V in the given equation.

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Answer:

Weight is a force.

Explanation:

Force acting on an object is defined in terms of mass and its acceleration. Its mathematical force is given by

F = ma

Weight of an object is force that the Earth exerts on an object. It can be given by the formula as follows :

W = mg

g is acceleration due to gravity on the surface of earth

Hence, the correct option is (d).

The dryness fraction is 0.96. Using steam tables the enthalpies at points 2, 3, and 4 can be calculated as 2936.4 kJ/kg, 2892.3 kJ/kg, and 1039.2 kJ/kg, respectively. The value of q is found to be 1438.3 kJ/kg.

a) 0.2, b) 2687 kJ/kg, c) 0.16 kJ/kg.K, d) 32%, e) 2549.52 kJ/kgPart (a): The steam is superheated at 300°C and 3 MPa, using steam tables it can be seen that the dryness fraction is 0.96.Part (b): This can be calculated using the formula shown below. The net work done by the turbine is given as follows: Net work = m (h1 - h2) + m (h3 - h4) Where m is the mass of the steam entering the turbine and h1, h2, h3, and h4 are the enthalpies at the different points in the cycle.h1 is given as 3478 kJ/kg, and using steam tables the enthalpies at points 2, 3, and 4 can be calculated as 2936.4 kJ/kg, 2892.3 kJ/kg, and 1039.2 kJ/kg, respectively.

Substituting the values in the formula gives the answer as 2687 kJ/kg.Part (c): Heat transfer per unit mass of steam to the boiler can be calculated using the formula shown below:q = h1 - h4 The value of q is found to be 1438.3 kJ/kg. Part (d): The thermal efficiency of the cycle can be calculated using the formula shown below: Efficiency = Net work output/ Heat inputHeat input can be calculated as follows: Heat input = m (h1 - h4) + m (h3 - h2) The value of heat input is calculated to be 4485.4 kJ/kg Substituting the values in the formula gives the answer as 32%.Part (e): The heat transfer to cooling water passing through the condenser is given as follows:q = m (h4 - h5)Where h4 is 1039.2 kJ/kg and h5 is 48.72 kJ/kg. The value of q is calculated to be 2549.52 kJ/kg.

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Answer: a

Explanation:

Answer:

Just beneath the photosphere, and extending inward to about 0.7 Rsun, is the convection zone. Energy generated in the core of the Sun moves outward through this layer by a boiling motion in which hot plasma rises, releases some of its energy, cools, and then sinks again.

Explanation:

Explanation:

In brief, electrons are negative charges and protons are positive charges. An electron is considered the smallest quantity of negative charge and a proton the smallest quantity of positive charge.

Two negative charges repel. Also, two positive charges repel. A positive charge and a negative charge attract each other (all experimentally verified.)

Point Charge: An accumulation of electric charges at a point (a tiny volume in space) is called a point charge.

Note: When an atom loses an electron, the separated electron forms a negative charge, but the remaining that contains one less electron or consequently one more proton becomes a positive charge. A positive charge is not necessarily a single proton. In most cases, a positive charge is an atom that has lost one or more electron(s).

Answer:

The force required to pull a wagon if 84 J of work are exerted to pull a wagon 7m is 12 Joules.

HOW TO CALCULATE WORK DONE:

Work done can be calculated by multiplying the force applied on an object by the distance traveled. That is;

Work done = Force × distance

Force = Work done ÷ distance

According to this question, the work done is 84J and the wagon was pulled to a distance of 7 metres. The force is calculated as follows:

Force = 84J ÷ 7m

Force = 12N.

Therefore, the force required to pull a wagon if 84 J of work are exerted to pull a wagon 7m is 12 Joules.

The correct statements concerning this collision are:

In a collision between two objects, the total momentum of the system is conserved. This means that the total momentum before the collision is equal to the total momentum after the collision. However, the kinetic energy of the system may not be conserved, as some of it may be lost to other forms of energy, such as heat, sound, or deformation of the objects involved.

When two vehicles collide, the total momentum of the system is conserved, but the kinetic energy of the system is not necessarily conserved. During the collision, both vehicles experience an equal and opposite average force, as required by Newton's Third Law of Motion. However, the change in momentum experienced by each vehicle depends on its mass and velocity before and after the collision. The small car will experience a greater change in momentum than the SUV because it has a smaller mass. Options A and C are correct

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The rule with the highest lift ratio is a statistical measure indicating a strong association between two variables in a dataset. While it can provide useful information, its effectiveness depends on contextual factors and should be complemented with domain knowledge and additional analysis techniques.

It is calculated by dividing the confidence (the probability of the consequent given the antecedent) by the support (the proportion of instances that satisfy both the antecedent and the consequent).

The lift ratio tells us how much more likely the consequent is to occur when the antecedent is present compared to its overall likelihood.

A high lift ratio indicates a strong association between the antecedent and the consequent, suggesting that the presence of the antecedent significantly influences the occurrence of the consequent.

In practical terms, this means that when the antecedent is observed, there is a higher likelihood of the consequent being true.

However, the usefulness of the rule with the highest lift ratio depends on the context and the specific problem being addressed. A high lift ratio alone does not guarantee the rule's utility or reliability.

It is essential to consider factors such as the domain knowledge, the quality and representativeness of the dataset, and the interpretability of the rule.

Ultimately, the rule with the highest lift ratio provides valuable information when used in conjunction with other analysis techniques and domain expertise.

It can help identify strong associations and potential patterns in the data, supporting decision-making processes and guiding further investigations.

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Answer:

b

Explanation:

i know

Answer:

b one will not accelerate

A blackbody curve will have its maximum in the visible region of the electromagnetic spectrum.

The blackbody graph illustrates how the intensity of light that is radiated changes as a blackbody is heated to a specific temperature.

According to the blackbody graph, a blackbody radiates energy over the whole electromagnetic spectrum once it reaches a temperature of 3,000 K. However, at a wavelength of about 1000 nm, the energy is released most strongly. This is a part of the electromagnetic spectrum's infrared range.

A few other essential points about the blackbody graph:

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Answer:

C. motion

Explanation:

hope this helps u!!

Answer:

Motion.

Explanation:

When you move your body changes positions and every way you go, left, right, or if you just walk straight.

Mark brainliest plas

a) The amplitude is approximately 1.428 m.

b) The maximum acceleration is approximately 378.57 m/\(s^_2\).

c) The maximum force is approximately 785.4 N.

To track down the sufficiency, greatest speed increase, and most extreme power applied by the spring, we can utilize the standards of consonant movement.

a) The sufficiency (A) can be resolved utilizing the energy preservation guideline. At t = 0, the block is moving with a speed of - 10.0 m/s. Since there is no outer power following up on the framework, the complete mechanical energy is saved. The likely energy at the outrageous marks of the movement is zero, and the whole mechanical energy is as motor energy. In this way, we can compute the adequacy utilizing the recipe:

0.5 * k * \(A^_2\) = 0.5 * m * \(v^_2\)

0.5 * 550 N/m * \(A^_2\)= 0.5 * 2.00 kg * \((10.0 m/s)^_2\)

Tackling for A, we view as A = 1.428 m.

b) The greatest speed increase (amax) of the block can be resolved involving the condition for consonant movement:

amax = \(ω^_2\) * A

where ω is the precise recurrence. The precise recurrence can be determined as:

\(ω\)= sqrt(k/m)

\(ω\)= sqrt(550 N/m/2.00 kg) ≈ 16.61 rad/s

Subbing the qualities, we find:

amax =\((16.61 rad/s)^_2\) * 1.428 m ≈ 378.57 m/\(s^_2\)

c) The most extreme power (Fmax) applied by the spring can be determined utilizing Hooke's regulation:

Fmax = k * A

Subbing the given qualities, we have:

Fmax = 550 N/m * 1.428 m ≈ 785.4 N

In this way, the abundancy is roughly 1.428 m, the greatest speed increase is around 378.57 m/\(s^_2\), and the most extreme power applied by the spring is around 785.4 N.

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Answer:

Mass

Explanation:

The mass of an object expresses the amount of matter it comprises. Which implies that objects with higher mass contains higher matter compared to objects with lesser masses. Thereby it determines the measure of inertia experienced by an object when a force is applied to change its direction of motion, or to set it in motion when at rest, or bring it to rest when in motion.

The mass of an object the same no matter its location, and it is measured in kilograms.

We can use Ohm's law to calculate the effective resistance of the car's starter motor. The effective resistance of the car's starter motor in this situation is 0.054 ohms.

To solve this problem, we use the balanced chemical equation between HI and KOH, which is: HI(aq) + KOH(aq) → KI(aq) + H₂O(l)

From this equation, we can see that one mole of HI reacts with one mole of KOH to produce one mole of KI and one mole of water. Therefore, we can use the following equation to calculate the number of moles of HI needed to react with the given amount of KOH: moles of HI = (volume of KOH in L) x (molarity of KOH) x (1 mole of HI / 1 mole of KOH)

Plugging in the given values, we get: moles of HI = (15.00 mL) x (0.217 mol/L) x (1 mol HI / 1 mol KOH) x (1 L / 1000 mL) = 0.003255 mol HI. Now, we can use the molarity of HI and the number of moles of HI to calculate the volume of HI needed: volume of HI = (moles of HI) / (molarity of HI)

Plugging in the given molarity and the calculated number of moles, we get: volume of HI = (0.003255 mol) / (0.550 mol/L) x (1000 mL / 1 L) = 1.79 mL of 0.550 M HI(aq).

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Maximum elevation that the rocket reached is calculated to be 1109.69 m.

Angle that is formed between the horizontal line and line of sight is called the angle of elevation.

Given, net acceleration is 25 m/s²

Height after burn,

S = 0.5 x f x t²

= 0.5 x 25 x 25 = 312.5 m

Velocity is f x t =25 x 5= 125 m/s

Rocket starts to fall to earth and at its maximum height the velocity is zero

0 = initial velocity - g x t

= 125 - 9.8 x t

Now,  t = 12.75 secs

As, Distance travelled, S = u x t - 0.5 x g x t^2

= 125 x 12.75 - 4.9 x 12.75^2

Now, S = 797.19 m

So total elevation = 312.5 + 797.19

Therefore, total elevation = 1109.69 m

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Question :-

Answer :-

Explanation :-

As per the provided information in the given question, we have been given that the Mass of the body is 2 kg . Speed of the body is given \( \bf{10 \: {ms}^{ - 1} } \) . And, we have been asked to calculate the Kinetic Energy .

For calculating the Kinetic Energy , we will use the Formula :-

\( \bigstar \: \: \boxed{ \sf{ \: Kinetic \: Energy \: = \: \dfrac{1}{2} \: \times \: {mv}^{2} \: }} \\ \)

Where ,

Therefore , by Substituting the given values in the above Formula :-

\( \longmapsto \: \: \sf{ Kinetic \: Energy \: = \: \dfrac{1}{2} \: \times \: {m \: \times \: v}^{2} } \\ \)

\( \longmapsto \: \: \sf{Kinetic \: Energy \: = \: \dfrac{1}{2} \: \times \: 2 \: \times \: {10}^{2} } \\ \)

\( \longmapsto \: \: \sf{Kinetic \: Energy \: = \: \dfrac{1}{2} \: \times \: 2 \: \times \: 100 } \\ \)

\( \longmapsto \: \: \sf{Kinetic \: Energy \: = \: \dfrac{1 \: \times \: 2 \: \times \: 100}{2}} \\ \)

\( \longmapsto \: \: {\textbf {\textsf {Kinetic \: Energy \: = \: 100 \: Joule }}} \)

\( \underline {\rule {180pt} {4pt}} \)

The kinetic energy of the body with the given value of mass travelling at the given speed is 100 Joules.

Kinetic energy is simply a form of energy a particle or object possesses due to its motion.

It is expressed as;

K = (1/2)mv²

Where m is mass of the object and v is its velocity.

Given the data in the question;

We substitute our given values into the above expression to determine the kinetic energy of the body.

K = (1/2)mv²

K = (1/2) × 2kg × (10ms⁻¹)²

K = 0.5 × 2kg × 100m²s⁻¹
K = 100kgm²s⁻¹

K = 100J

Therefore, the kinetic energy of the body with the given value of mass travelling at the given speed is 100 Joules.

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The velocity is  17.5 m/s.

Momentum is a measure of an object's motion and is defined as the product of its mass and velocity. It is a vector quantity, meaning it has both magnitude and direction.

Momentum of the snowmobile = 222 kg * 24.21 m/s.

= 5374.62 Kgm/s

Velocity of the other snowmobile = 5374.62 Kgm/s/306.3 kg

= 17.5 m/s

Thus we observe that the momentum can be used to obtain the velocity of the object we have here. In physics, momentum is a vector quantity, meaning it has both magnitude and direction.

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Answer:

hello good afternoon how are you my friends

Answer:

In the wild, clownfish rarely leave their anemone home. In fact, part of its purpose is to defend the anemone from other fish. However, clownfish bred in aquariums (without an anemone home) may still have this instinct, but it’s much calmer than wild harvested species.

Explanation: