What is the total amount of power delivered to the heater when the heater is connected for 240-volt operation when each heater is 300 watts?

The answers to the respiratory questions are listed below:

A respiratory system is a biological system found in both plants and animals, which includes organs and structures used for exchanging gas between the organisms and its environments.

A respiratory system is a network or chain or organs and tissues that enables breathing.

In conclusion, the respiratory system is one that is very important to understand.

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Answer:

To make a simple model of the solar system that can be used to compare the time it would take for a spaceship to travel between different planets, the student must accurately represent the relative distances between the planets. This is because the time it would take for a spaceship to travel between two planets depends on the distance between those planets, so accurately representing the distances between the planets is essential for thinking about how long it would take for a spaceship to travel between them.

It is not necessary for the student to make sure that the model of each planet looks like the planet it represents, although this may help make the model more understandable. The most important thing is that the model accurately represents the relative distances between the planets.

In summary, the student must accurately represent the relative distances between the planets in order to think about how long it would take for a spaceship to travel between different planets in the solar system.

Answer:

Favorable sites include the tops of smooth, rounded hills; open plains and water; and mountain gaps that funnel and intensify wind. Wind resources are generally more favorable for electricity generation at higher elevations above the earth's surface

Answer:

A

Explanation:

Dropping the magnet its weaknging the structure

Answer:

Its B- overconfidence

Explanation:

The tendency to have more confidence in judgment and decisions than one should is called Overconfidence

Overconfidence  is a bias in which a person's subjective confidence is his or her judgement is reliably greater then the objective accuracy of those judgments when confidence is relatively high

Hence, The tendency to have more confidence in judgment and decisions than one should is called Overconfidence

correct answer : option B)Overconfidence

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Answer:

The acceleration of proton is 5.56 x 10^10 m/s^2 .

Explanation:

initial velocity, u = 0

Electric field, E = 580 N/C

final speed, v = 10^6 m/s

(a) Let the acceleration is a.

According to the Newton's second law

F = m a = q E

where, q is the charge of proton and m is the mass.

\(a= \frac{q E}{m}\\\\a = \frac{1.6\times10^{-19}\times 580}{1.67\times 10^{-27}}\\\\a= 5.56\times 10^{10} m/s^2\)

Answer:

We have a battery here, composed of two cells joined in series, which is supplying current to an external resistance. The voltage of each cell is given as 0.6 volts and the resistance is 3 Ohms. In order to solve the problem, we need to calculate three things: the current flowing in the external resistance, the thermal potential difference and the lost voltage.

First, let's calculate the current flowing in the external resistance. Using Ohm's Law, we can find the current as I = V/R, where V is the total voltage of the battery (i.e. 2*0.6=1.2V) and R is the external resistance, which is given as 3 Ohms. Therefore, I = 1.2/3 = 0.4 amps.

Next, let's calculate the thermal potential difference. This is the amount of heat generated by the current flowing through the external resistance, and is given by the formula P = I^2*R, where P is the power, I is the current, and R is the resistance. Plugging in the values, we get P = 0.4^2*3 = 0.48 watts. Since we know that power is equal to voltage times current (P = VI), we can rearrange the formula to get V = P/I, which gives us V = 0.48/0.4 = 1.2 volts.

Finally, we need to calculate the lost voltage. This is the voltage drop that occurs across each cell due to internal resistance. We can use the formula V_lost = I*R_int, where R_int is the internal resistance. Since we know the current and the resistance of the external load, we can use the total voltage of the battery to find the internal resistance. Recall that the total voltage of the battery is 1.2V. Therefore, V_lost = I*R_int, or R_int = V_lost/I. We know that the voltage drop across each cell is equal, so we can divide the lost voltage by 2 to get the voltage drop across each cell. Therefore, V_cell = V_lost/2 = (0.4)*(R_int/2). Plugging in the values, we get V_cell = 0.4*(1.2-0.4*3)/2 = 0.06 volts.

In summary, the current flowing in the external resistance is 0.4 amps, the thermal potential difference is 1.2 volts, and the lost voltage across each cell is 0.06 volts.

Answer:

THY ANSWER IS G..

Can you please give me brainliest??

Explanation:

Option (D) is the correct answer

Given data:  width of each slit, a = 0.80 mm.        

distance between the slits, d = 2.6 mm

If the wavelength of light is \lambda then,

2.6 ) = 2 x (0.8) = 6.5 r=2x

x = 7 ( taking the next higher integer of 6.5)

The wavelength of a wave describes how lengthy the wave is. The distance from the "crest" (top) of 1 wave to the crest of the following wave is the wavelength.

Alternately, we can degree from the "trough" (bottom) of 1 wave to the trough of the subsequent wave and get the equal price for the wavelength.

SI unit of wavelength is metre . At the same time as measuring wavelength the multiples or fractions of a metre is also used. Extensively, exponential powers of 10 are used whilst wavelengths are of a huge assets.

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The mass of the blood denoted is 501.6 g.

The mass of the blood denoted by Keona is calculated by applying the formula for density of a liquid as shown below.

density = mass/volume

mass = density x volume

The given parameters include;

The mass of the blood is calculated as follows;

mass = 1.06 g/mL x 473.176 mL

mass = 501.6 g

Thus, the mass of the blood is calculated from the formula of density.

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The complete question is below

While participating in a blood drive at school, Keona learns that blood has a density of 1.06 g/mL. She donates one pint of blood, which is equal to 473.176 mL. find the mass of the blood denoted.

Answer:

-4m/s²

Explanation:

Given parameters:

Initial velocity  = 9m/s

Final velocity  = 1m/s

Time taken  = 2s

Unknown:

Acceleration  = ?

Solution:

The acceleration of a body is the change in velocity of a body with time.

    Acceleration  = \(\frac{Final velocity - Initial velocity }{time}\)

Insert the parameters and solve;

    Acceleration  = \(\frac{1 - 9}{2}\)  = -4m/s²

We can say, the car is decelerating at a rate of 4m/s²

The current model of the atom is called the electron cloud model or the quantum mechanical mode.

The current model of the atom is called the electron cloud model or the quantum mechanical model. This model describes electrons as existing in a three-dimensional region around the nucleus called the electron cloud, where the electrons are most likely to be found at any given time. This model incorporates principles of quantum mechanics, which recognizes the wave-particle duality of electrons and the probabilistic nature of their behavior, in contrast to the earlier classical models like the planetary model or the plum pudding model.

Therefore, the nuclear model, which describes the atom as consisting of a central nucleus surrounded by electrons, is a precursor to the modern quantum mechanical model.

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The example provided, where Isaac Newton showed that the same laws govern motion in both realms of Earth and space, best fits the theory of explanation known as Causal Unifications'.

Causal Unifications theory aims to explain phenomena by identifying common causes or underlying principles that apply to seemingly distinct phenomena. In this case, Newton's discovery of the laws of motion demonstrated that the same fundamental principles govern both celestial and earthly motion.

To summarize, the example of Isaac Newton demonstrating that the same laws govern motion on Earth and in space aligns with the Causal Unificationist theory of explanation, which seeks to identify common causes or underlying principles that apply to seemingly distinct phenomena. By discovering the laws of motion, Newton provided a unified explanation for motion in both realms, challenging the previous belief in separate laws for celestial and earthly motion.

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According to Kepler's first law of planetary motion, planets revolve around the sun such that the sun is always at one of its foci. This law is also known as the law of orbits.

According to Kepler's Second Law of planetary motion, a planet will cover equal amounts of area in an equal period of time if a line is drawn from the sun to the planet. This implies that the planet moves more slowly away from the sun and faster towards it.

According to Kepler's third Law of Planetary Motion, the squares of the orbital periods of the planets are directly proportional to the cubes of their semi-major axes.

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In the 1990s, astronomers observed distant type I supernovae and found that they were fainter than they expected based on their previous understanding of the universe.

This unexpected dimness led them to conclude that the expansion of the universe was accelerating, which in turn led to the discovery of dark energy, a mysterious force that is driving the universe's accelerated expansion.

This observation led astronomers to conclude that the universe's expansion is accelerating, not slowing down as previously thought. This acceleration is due to an unknown force, later termed "dark energy," which makes up about 68% of the universe's total energy content. The discovery of the accelerating universe was a groundbreaking result in cosmology and earned the 2011 Nobel Prize in Physics.

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Answer:

figure (a) L1 is series and L2 is parallel to L3

figure (b) L2 and L3 are parallel to L1

Answer:

The first law of thermodynamics states that the change in the internal energy of a system equals the net heat transfer into the system minus the net work done by the system. This is another way of saying that energy can neither be created nor destroyed, but it can be converted from one form to another form.

A tea kettle that is warmed on an electric stove is receiving heat energy, this heat energy increases the kinetic energy of the water particles in the kettle and makes them to move faster. As time goes on, the water begins to turn into vapors. The heat energy that is released into the system is been used to carry out the work of evaporation and the whistling of the kettle.

Explanation:

If you copy and paste it will give you full credit :)

Answer:

Attraction

Explanation:

Nucleus has a positive charge. Electron has a negative charge. Opposite charges attract and equal charges repel

The electrical interaction between the nucleus and the orbital electron is a force of attraction.

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When you push a pencil off your desk, the energy transformation that takes place is that potential energy transforms into kinetic energy.

The correct answer to the given question is option C.

Potential energy is the energy stored within an object because of its position or configuration.

In this scenario, the pencil has potential energy because of its elevated position on the desk. When the pencil is pushed off the desk, it begins to move, which means that it has kinetic energy. Kinetic energy is the energy of motion.

As the pencil falls off the desk, its potential energy is transformed into kinetic energy, which is the energy that results from its motion. The faster the pencil falls, the greater its kinetic energy will be because kinetic energy is directly proportional to the square of an object's velocity.

Therefore, when you push a pencil off your desk, the potential energy that it has because of its elevated position is transformed into kinetic energy as it falls towards the ground.

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Suppose a parachutist is falling toward the ground, and the downward force of gravity is exactly equal to the upward force of air resistance. In this scenario, the true statement is that the parachutist has reached terminal velocity.

Terminal velocity is the constant speed attained by a freely falling object when the opposing forces of gravity and air resistance become equal. At this point, there is no net force acting on the parachutist, and the acceleration becomes zero. As a result, the parachutist maintains a constant speed during the descent.

When a parachutist initially jumps out of the aircraft, the downward force of gravity exceeds air resistance, and they accelerate towards the ground. As their speed increases, so does the air resistance acting against them. Eventually, these two forces balance each other out, and the parachutist reaches terminal velocity, allowing them to fall at a constant speed until they deploy their parachute to slow down and land safely. The true statement is that the parachutist has reached terminal velocity.

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The question is about a block of mass m sliding down an inclined plane and its kinetic energy at the bottom. The correct answer is (C) mgh−Fs.

The following forces are at work on the block as it descends the slope:

1. The gravitational force (mg), which exerts downward pressure vertically.

2. Force that acts perpendicular to the inclination is called the normal force (N).

3. the resistance to the block's motion is caused by the force of kinetic friction (F), which acts perpendicular to the inclination.

As the block slides down the inclined plane, it gains kinetic energy due to the conversion of gravitational potential energy (mgh) into kinetic energy. However, the force of kinetic friction (F) opposes the motion, and therefore, some of the potential energy is lost as work is done against the friction force over the length s of the incline (Fs). So, the net kinetic energy of the block at the bottom of the incline is the initial potential energy minus the energy lost to friction: mgh−Fs.

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Answer:

speakers is going to be your answer

Answer:

doorbells

Explanation:

The system described by the transfer function G(s) = -co² s² + 2a + w², with a damping ratio of 1.3 and a natural frequency of 0.5, has an overdamped unit step response. So, the correct option is (E)

The transfer function of the system is given as G(s) = -co² s² + 2a + w², where co represents the damping ratio, a represents an arbitrary constant, and w represents the natural frequency of the system. We are given that the natural frequency is 0.5 and the damping ratio is 1.3.

To determine the type of unit step response, we need to analyze the damping ratio (co) in relation to the critical damping value (co_critical).

The critical damping ratio (co_critical) is defined as the value where the system is on the threshold between being overdamped and underdamped. It is given by the formula co_critical = 2 * sqrt(a * w²).

In our case, the natural frequency (w) is 0.5, so we can calculate co_critical as follows: co_critical = 2 * sqrt(a * 0.5²).

Since the damping ratio (co) is given as 1.3, we can compare it with co_critical to determine the type of unit step response.

If co > co_critical, the system is considered overdamped (Option E).

If co = co_critical, the system is considered critically damped (Option D).

If co < co_critical, the system is considered underdamped (Option C).

Based on the given values, we can determine that the system is overdamped (Option E) because the damping ratio (1.3) is greater than the critical damping ratio.

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Answer:

b one is correct........I wish u give me mark as brainlliest

The answer is C, 5.2

The equivalent capacitance Ceq of the circuit is 75 x 10⁻⁶ F, and the energy stored on capacitor C₁ is 49 x 10⁻⁶ J.

equivalent capacitance Ceq of a circuit with three capacitors in parallel can be found by adding the individual capacitances. In this case, C₁ = 16 µF, C₂ = 6 µ

F, and C₃ = 10 µ

F. So, Ceq = C₁ + C₂ + C₃

= 16 µ

F + 6 µ

F + 10 µ

F = 32 µF. Therefore, the answer to the first question is A. 75 x 10⁻⁶ F.

The energy stored on a capacitor can be calculated using the formula

E = 1/2 ×C ×V²

where E is the energy, C is the capacitance, and V is the voltage across the capacitor. Since the charge Q₁ on capacitor C₁ is given as 12 µC and the capacitance C₁ is 16 µF, we can calculate the voltage V₁ across capacitor C₁ using the formula Q = C ×V.

Thus, V₁ = Q₁ / C₁

= 12 µC / 16 µ

F = 0.75 V.

Now, we can calculate the energy stored on capacitor C₁ using the formula E₁ = 1/2 ×C₁ ×V₁²

= 1/2 ×16 µF ×(0.75 V)²

= 9 µJ.

Therefore, the answer to the second question is A. 49 x 10⁻⁶ J.

In conclusion, the equivalent capacitance Ceq of the circuit is 75 x 10⁻⁶ F, and the energy stored on capacitor C₁ is 49 x 10⁻⁶ J.

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Answer:

"solve: given that F -12 N and time 4 seconds and let we have to find out the P.

F = 12 N

t = 4 s

p = ?

F = m×( v - u ) / t

12 = m×v / 4

m×v = 12× 4

p = 48 kg m/s

Linear momentum will be 48 kg m/s.

Explanation:

Answer:

An object in motion will remain in motion until it experiences an unbalanced force.

Explanation:

This is part of Newton's first law. An unbalanced force is there to offset the object in motion, such as a ball versus a wall. A wall will stop the ball from moving.

The total distance you would have covered is equivalent to going around the earth 22 times.

The total distance traveled at a given speed and time of motion is calculated as follows;

Distance = speed x time

\(Distance = \frac{25 \ miles}{day} \times \frac{365 \ days}{1 \ year} \times 60 \ years\\\\Distance = 547, 500 \ miles\)

The distance round the earth or circumference of the earth of the earth has been given as 25,000 miles

\(n = \frac{547,500}{25,000} \\\\ n = 21.9 \ times \ \approx 22 \ times\)

Thus, the total distance you would have covered is equivalent to going around the earth 22 times.

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Contaminants are substances or agents that are present in a material or environment, frequently in unwanted or hazardous proportions, and which may harm the environment, and human health.

They include pollutants that are released from industrial operations, agricultural practices, or human activities, such as pesticides, heavy metals, volatile organic compounds (VOCs), and polychlorinated biphenyls (PCBs).

They include pollutants that are released from industrial operations, agricultural practices, or human activities, such as pesticides, heavy metals, volatile organic compounds (VOCs), and polychlorinated biphenyls (PCBs).

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