Eiman connects eight 12Ω lamps in series. What is
the total resistance of the circuit?
please help

If a system has 46.5 j of heat added to it, and the system does 75.5 j of work on its surroundings. 29 j is the change in the internal energy of the system.

Internal energy refers to the energy that exists within the system. It is represented by the letter "U" in English.

Thermal energy is another name for internal energy. It is the energy of a substance as a result of the kinetic and potential energies connected to the ad hoc motion of all the constituent particles.

Internal energy, which is measured in KJ or Joule, is the energy attributed to the chaotic arrangement or random motion of particles within the system. Using the formula for internal energy, we can calculate the same.

The difference between the heat flow in a system and the work done by or on the system (PV) equals the change in internal energy, and the change in internal energy formula aids in calculating the same.

Energy Equation within the energy of the universe is constant, in accordance with the basic law of thermodynamics.

Additionally, the sum of the work done and the heat transported is equal to the change in a system's internal energy.

Additionally, the sum of the change in the system's internal energy and the work performed by the PV system equals the heat added or flown.

The Change in Internal Energy Formula is:

                    ΔU  =  Q  +  W

Here,

U =  the total change in internal energy within the system

Q =  the heat exchanged between a system and its surroundings (outside the system)

W  =  work done by or on the system

                 =  46.5 - 75.5

                 = 29j

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The definition of the celestial bodies allows us to find that the correct answer for a body that is captured and is in planetary orbit is:

Asteroids are small rocky bodies that rotate around the Sun, when this body enters the atmosphere of a planet and reaches the surface it is called meteoroids.

A meteorite is a fragment of meteoroid, which has been divided in space or the atmosphere during the entrance to the planet, in general they are smaller

A meteor is the atmospheric phenomenon that occurs when the pattern meteorite or meteoroid enters, that is, it does not correspond to a celestial body.

An asteroid satellite or Moon is a celestial object that revolves captures and around another asteroid, this concept can be extended to an asteroid revolving captures and around a planet

A satellite is a celestial body that orbits a planet, its origin is varied and could be formed during the formation of the planet itself, or by capturing a nearby body during the initial formation of the solar system.

Let's examine the different answers

True. A body captured by a planet is generally called the Moon.

False. A meteoroid is a body that enters the atmosphere of the plant and reaches its surface.

False. It is a fragment of meteoroid that manages to reach the surface of the planet.

False.   Atmospheric phenomenon visible when passing a meteoroid or meteorite.

In conclusion, using the definition of celestial bodies we can find that the correct answer for a body that is captured and is in planetary orbit is:

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Answer:moon

Explanation:

you welcome ;]

When the acceleration is constant from instant to moment, the kinematic equation cannot be employed.

The equations are applicable to any motion that can be classified as either a constant acceleration motion (with an acceleration of 0 m/s/s) or a constant velocity motion (with an acceleration of 0 m/s/s). They are never permitted to be employed over any time frame where the acceleration is fluctuating.

We may use a straightforward equation to calculate the average velocity of an object because kinematics equations are utilized when the object's acceleration is constant. Adding the beginning velocity to the final velocity and dividing by two yields the average velocity.

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its should be 2.0 and 4.5 on it

to get weight multiply Mass by 9.8

weight =9.8x15=147N

When a function is continuous, the steepest ascent or descent can be found by looking for the direction in which the rate of change is the highest or the lowest.

In the direction of the steepest ascent, the rate of change is the highest, whereas in the direction of the steepest descent, the rate of change is the lowest.

When a function is differentiable, its steepest ascent can be found by taking the gradient and moving in the direction in which the gradient is the highest. The gradient vector, in general, points in the direction of the greatest change, and moving in that direction will result in the fastest rate of change. A differentiable function's steepest descent is discovered by taking the negative gradient and moving in the direction in which the gradient is the smallest.

In the case of a stationary point, the rate of change is zero. Moving in any direction will result in a zero rate of change, implying that the function is levelled in that direction. Therefore, in a direction in which the rate of change is zero, the slope of the function is zero.

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A micrometer is used to measure the diameter of a length of copper wire. The zero error and scale reading are as shown.The correct answer should be the micrometer.

The micrometer is an instrument that is capable of measuring the component of an object to very high precision. It is used to obtain accurate measurements in engineering.

In the case of the copper wire, the diameter of 0.3 mm was an approximation and a more accurate measure of the diameter would be obtained by using the micrometer.A micrometer is used to measure the diameter of a length of copper wire. The zero error and scale reading are as shown.The correct answer should be the micrometer.

Therefore, A micrometer is used to measure the diameter of a length of copper wire. The zero error and scale reading are as shown.The correct answer should be the micrometer.

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No option , The curler apply to the stone to bring it up to speed is  42.85 N.

F = 20*3/1.4 = 42.85 N

3 *3 = 2*u*9.8*40

u = 0.0114

Despite their similarities, distance and displacement have very different meanings, as do speed and velocity. Speed, a scalar quantity, describes "how quickly an object is travelling." You can think of speed as the rate at which an object travels a distance. An object moving quickly has a high speed and travels a fair distance in a brief period of time. In contrast, a slow-moving object travels a comparatively short distance in the same amount of time because of its low speed. Zero speed refers to an object that is completely stationary.

[Speed = Distance Time] is the general formula for calculating an object's speed. The SI speed unit is m/s.

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Answer:

Select a thermometer with a smaller-scale division: A thermometer with a smaller interval between temperature markings on its scale can provide more precise readings. This allows for better differentiation of slight temperature variations.

Decrease the bulb size: The bulb of a thermometer is the part that contains the temperature-sensitive material, such as mercury or alcohol. Reducing the size of the bulb decreases the thermal mass and allows for quicker response to temperature changes.

Improve thermal conductivity: Enhancing the thermal conductivity of the material used in the thermometer can help transmit heat more effectively. This enables faster equilibration between the measured object and the thermometer, resulting in improved sensitivity.

Enhance insulation: By improving the insulation around the temperature-sensitive material, heat loss or gain from the surroundings can be minimized. This helps maintain a more accurate reading and reduces errors due to external temperature influences.

Minimize parallax errors: Parallax errors occur when the observer's line of sight is not directly perpendicular to the thermometer scale. This can lead to inaccurate readings. Minimizing parallax errors, such as by using a magnifying lens or aligning the thermometer properly, can improve sensitivity.

Answer:

Ok let me figure this out

Explanation:

#9 asks what is the relationship between distance and force?

The relationships between the two are of the following: if you have distance you woulnt have force, and if there was no force then there is no distance, the 2 countereact each other and balance the scale

Assuming the water exerts a constant drag force equal to 5.00x10 N and the acceleration is constant:  No correct answer given. The correct option is b.

In order to calculate the power required to accelerate the boat to a velocity of 20.0 m/s, we will have to use the formula for the power which is given as:

P = Fv

Where: P is the power, F is the force, and v is the velocity.

The force acting on the boat is the drag force which is given as F = 5.00x10 N.

The final velocity of the boat is 20.0 m/s and it starts from rest which implies the initial velocity is u = 0.

The time taken by the boat to reach the final velocity is given as t = 5.00 seconds.

So the acceleration can be calculated as follows:

acceleration (a) = (v - u)/t

Where: v is the final velocity = 20.0 m/s

u is the initial velocity = 0

t is the time taken = 5.00 seconds

a = (20.0 - 0)/5.00 = 4.00 m/s².

Now that we have the acceleration, we can find the mass of the boat using the formula:

F = ma

Where: F is the force acting on the boat m is the mass of the boat and a is the acceleration calculated above. Rearranging the above formula, we get m = F/a = 5.00x10 N/4.00 m/s²= 1250 kg.

Now that we know the mass of the boat, we can calculate the power using the formula: P = Fv = mav

Where: P is the power, F is the force, m is the mass of the boat, v is the final velocity, and a is the acceleration calculated above.

Substituting the values, we get: P = 1250 kg x 20.0 m/s x 4.00 m/s² = 100,000 W = 100 kW. Now, converting the power to hp, we get: 1 hp = 746 W. Therefore, the power required is: P = 100,000 W/746 W/hp ≈ 134 hp. Hence, the answer is No correct answer given. The correct option is b.

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Complete question:
How much power would a 1.00x10 kg speed boat need to go from rest to 20.0 m/s in 5.00 seconds assuming the water exerts a constant drag force equal to 5.00x10 N and the acceleration is constant? 2 Select one: a. 69.9 hp

b. No correct answer given

c. 20.3 hp

d. 75.0 hp

e. 60.3 hp

Answer:

a. 10.2 N b. 1.73 c. 58.8 N d. 10.2 N

Explanation:

a. The force that will make the block slide down the plane

This is the component of the block's weight along the plane F = mgsinθ where m = mass of block = 1.2 kg, g = 9.8 m/s² and θ = angle of incline = 60°.

So, F = mgsinθ = 1.2 kg × 9.8  m/s² × sin60°.= 10.18 N ≅ 10.2 N

b. The coefficient of friction

The coefficient of friction, μ = tanθ = tan60° = 1.73

c. The normal reaction.

This is equal to the vertical component of the block's weight. So, F = mgcosθ. Substituting the values for the variables from above, we have

F = mgcosθ = 1.2 kg × 9.8  m/s² × cos60°.= 58.8 N

d. The frictional force

Since the block does not slide, there is no net force on it. If f is the frictional force, then

F - f = ma. Since a = acceleration = 0,

F - f = 0

f = F = mgsinθ = 1.2 kg × 9.8  m/s² × sin60°.= 10.18 N ≅ 10.2 N

The work done on a system by a constant force is the component of force in the motion times the displacement through which the force acts.

Work done is said to be 1 J when a force of 1 N is moved through a displacement 1 m along the direction of force.

The formula for work done is given as W = F × s

where, F is the force

s is the displacement

Force can be written as a product of mass and acceleration i.e, F = m × a

where, m is mass

a is acceleration

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The altitude h is around 344 kilometers.

We'll start by utilizing the condition for the expanding speed of a dissent moving in a circular way:

a = v²/r

where a is the speeding up,

v is the speed,

r is the span of the circular way.

Since the attendant is moving in a circular way around the Soil, we'll anticipate that the speeding up is due to the gravitational imperative between the fanatic and the Soil. The speeding up due to gravity at a height of h over the Earth's surface is given by:

a = GM/r²

where G is the gravitational relentless,

M is the mass of the Soil,

r is the division between the center of the Soil and the attendant (which is rise to the aggregate of the span of the Soil

the stature h of the disciple).

Comparing the two expressions for expanding speed and understanding for h, we get:

GM/r² = v²/r + a

GM = r(v²/r + a)

GM = v² + ar

r = (GM/a) / (v²/a + 1)

Substituting the given values, we get:

r = ((\(6.67 x 10^-11\) Nm²/kg²) x (\(5.97 x 10^24\)\(5.97 x 10^24\) kg) / (2.5 m/s²)) / ((20 x 10^6 m/h)^² / (3600 s/h)² + 1)

r =\(6.7 x 10^6\) m

The stature h of the stooping is at that point:

h = r - (Earth's sweep)

h = \(6.7 x 10^6\) m - \(6.356 x 10^6\) m

h = 344,000 meters or 344 kilometers

In this way, the altitude h (stature) is around 344 kilometers. 

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Answer:  Approximately 2.67 x 10^-2 N

The gravitational force between two objects can be calculated using the formula:

F = G * (m1 * m2) / r^2

where F is the force, G is the gravitational constant (approximately 6.67 x 10^-11 N*(m^2)/(kg^2)), m1 and m2 are the masses of the two objects, and r is the distance between their centers.

In this case, we have m1 = 200 kg, m2 = 200 kg, and r = 2 meters. Plugging these values into the formula gives:

F = 6.67 x 10^-11 N*(m^2)/(kg^2) * (200 kg) * (200 kg) / (2 m)^2

F = 6.67 x 10^-11 N*(m^2)/(kg^2) * 40000 kg^2 / 4 m^2

F = 6.67 x 10^-11 * 10000 N

F = 0.667 * 10^-6 N

So the gravitational force between the two objects is approximately 0.667 micronewtons (0.667 * 10^-6 N).

However, this weight loss seems to be greater in people over the age of 44, with an average of 2.3 pounds (1.05 kg) of weight loss. These findings suggest that nih cla may be more effective for weight loss in older individuals.

The statement you provided mentions that nih cla causes weight loss of about 1.1 pounds (0.52 kg) compared with a placebo. However, this number increases to 2.3 pounds (1.05 kg) in people over the age of 44.

To break it down step-by-step:

1. The first part of the statement says that nih cla causes weight loss of about 1.1 pounds (0.52 kg) compared with a placebo. This means that when people take nih cla instead of a placebo, on average, they lose 1.1 pounds (0.52 kg) more in weight.

2. The second part of the statement mentions that this number increases to 2.3 pounds (1.05 kg) in people over the age of 44. This suggests that older individuals (over age 44) may experience a greater weight loss of 2.3 pounds (1.05 kg) when taking nih cla compared to the placebo.

In summary, nih cla has been found to cause weight loss compared to a placebo, with an average of 1.1 pounds (0.52 kg) overall. However, this weight loss seems to be greater in people over the age of 44, with an average of 2.3 pounds (1.05 kg) of weight loss. These findings suggest that nih cla may be more effective for weight loss in older individuals.

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The force F1 is equal and opposite to the downward force thus, F1 is equal to 60 N. The force F2 is inclined to 30 ° from leftward force and it is equal to 38.97 N in magnitude.

Force is an external agent acting on a body to deform it or to change its state of motion or rest. Force is a vector quantity and it is characterised by its magnitude and direction.

If two forces acting on a body from the same directions, then the net force will be the sum of these two forces. If they are acting from opposite directions, they will cancel each other in magnitude.

The force F1 is equal and opposite to the force acting downward. Thus its magnitude is 60 N. The force F2 is inclined to 30 ° from horizontal direction.

F2 = 45 cos 30 = 38.9 N.

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Answer:

the answer is 1500 because of the internet

The color change from colorless liquids to a yellow solid in the chemical reaction occurred likely due to the formation of a new compound with specific electronic structures or absorption properties.

The color change from colorless liquids to a yellow solid in a chemical reaction can be attributed to the formation of a new compound with different electronic structures and absorption properties. Some possible reasons for this color change could include:

1. Formation of a colored compound: The reaction may result in the formation of a compound that absorbs certain wavelengths of light, giving it a distinct color. The presence of specific electronic transitions or chromophores within the newly formed compound can cause the absorption and reflection of light, resulting in a visible color change.

2. Formation of a precipitate: The reaction may involve the formation of a solid precipitate, which can exhibit color due to various factors such as impurities, crystal structure, or ligand-metal interactions. The formation of the yellow solid could be a result of the precipitation of a compound that has a yellow color.

3. Change in oxidation state: The reaction might involve a change in the oxidation state of one or more elements, leading to the formation of compounds with different colors. Transition metal compounds, for example, can exhibit a wide range of colors depending on their oxidation states and coordination environments.

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Answer:

C. 1.42 s

Explanation:

Givens:

length = 0.5m

gravity = 9.807 m/s

Solve:

T = 2π√(L/g)

T = 2π√(0.5/9.807)

T = 2π√(0.0509)

T = 2π * 0.22579

T = 6.28318 * 0.22579

T = 1.418 ≈ 1.42s

An asphalt surface absorbs more solar energy than a cement surface. This difference is chiefly due to differences in color.

Solar energy is the radiant light and heat from the Sun.

Solar energy is very useful for energy generation and is captured by a variety of technologies, including solar architecture, solar thermal energy, and solar power to produce electricity.

Solar energy released by the Sun gets to the earth by means of radiation.

The ability of different substances to absorb radiation from the Sun differs according to the nature of the material.

Dark and dull surfaces absorb radiation from the Sun more readily than shiny and bright surfaces. Hence, dark surfaces are better radiators of solar energy.

For example, an asphalt surface is dark and dull compared to a cement surface which is shiny. Hence asphalt surfaces absorb more radiation than cement surfaces.

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Its direction is toward the center of curvature.

The normal component of acceleration for a particle on a curved path does not necessarily have its direction toward the center of curvature. The normal component of acceleration is directed perpendicular to the tangent line of the particle's path and points towards the center of curvature only if the particle is moving in a uniform circular motion.

In general, the normal component of acceleration is responsible for changing the direction of the particle's velocity vector and is perpendicular to the tangent line at any point on the curved path. Its direction depends on the curvature of the path and the particle's velocity vector at that specific point. It is not always directed towards the center of curvature, except in the case of uniform circular motion.

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Answer:

reduce, reuse, and recycle paper,plastic, electricity, glass, fiber

Energy is the ability of a system to do work (option C).

Energy in physics refers to the quantity that denotes the ability to do work and is measured in a unit dimensioned in mass × distance²/time² (ML²/T²) or the equivalent.

Energy is measured in Joules. It also refers to the ability to exert a force causing displacement of an object. It is of two types namely;

Therefore, option C is the correct description of energy.

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Answer:

Based on the options given, the most likely answer to this query is The square of the orbital periods of the planets are directly proportional to the cubes of their average distances from the Sun.  

Explanation:

Thank you for your question. Please don't hesitate to ask in Brainly your queries.

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:

2910

Explanation:

970 × 3. 970 in one hour × 3 hrs. 2910 kilometers

Closed eyes improve performance as they reduce distractions and focus on the task at hand, but may decrease performance due to reliance on visual cues and muscle memory.

Novices may find it easier to concentrate on their body's motion and internal feelings when their eyes are closed. Additionally, it can lessen anxiety and distracting visuals, which will make the performer feel more at ease and assured when performing the exercise. Experts, however, rely significantly on visual feedback to make corrections and keep their balance in midair, thus doing so while performing a somersault could be detrimental to their performance.

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