what is the source of heat for most hot springs and geysers, and how is this reflected in the distribution of these features?

Answer:

second one

Explanation:

HOPE THIS helps

The voltage across the AC power supply varies sinusoidally.

The given statement describes the voltage across the terminals of an AC (alternating current) power supply. The voltage is described by the equation v = v0 cos(ωt), where v is the instantaneous voltage, v0 is the voltage amplitude or maximum voltage, ω is the angular frequency, and t is the time.

In this case, the voltage amplitude is given as v0 = 49.0 V, indicating that the maximum voltage reached is 49.0 volts. The cosine function represents the periodic variation of the voltage with time. As time progresses, the voltage alternates between positive and negative values, following a cosine waveform.

The angular frequency ω determines the rate at which the voltage oscillates. It is related to the frequency f of the AC power supply through the equation ω = 2πf, where π is a mathematical constant approximately equal to 3.14159. The frequency f represents the number of complete cycles of voltage per second.

Overall, the given information describes the voltage behavior of an AC power supply, with a specified voltage amplitude and a variation pattern determined by a cosine function.

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       Alternating current supplied to the loudspeaker creates sound waves in the following way:

         A current in the coil creates a magnetic field around it. The magnetic field interacts with the permanent magnet generating a force, which pushes the cone outwards. The current changes direction.

  A change in the magnetic field through a coil can induce a potential difference across it which drives a current. The voltage and current changes in a transformer can be calculated, as power transfer is constant.

The motor effect is used inside headphones, which contain small loudspeakers. In these devices, variations in an electric current cause variations in the magnetic field produced by an electromagnet. This causes a cone to move, which creates pressure variations in the air and forms sound waves.

The end of the speaker cone is surrounded by a permanent magnet. A coil of wire which carries electrical signals is wrapped around the end of the cone. The movement generated causes the cone to vibrate.

The alternating current supplied to the loudspeaker creates sound waves in the following way:

    6.    Repeatedly alternating the current direction makes the converts vibrate in and out.  

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Answer:

75g

Explanation:

Given parameters

Mass of product  = 375g

Mass of reactant X  = 300g

Unknown:

Mass of reactant Y  = ?

Solution:

To solve this problem, we need to understand the law of conservation of mass. The law states that "matter is neither created nor destroyed in a chemical reaction".

So;

      Mass of X + Mass of Y   =  Mass of product

            Mass of Y = Mass of product  - Mass of X

           Mass of Y  = 375  - 300  = 75g

Answer:

bada bop boop pow

Explanation:

Answer:

The horizontal range is maximum when θ is equal to 45°

Explanation:

Projectile Motion

It's known as the type of motion that experiences an object that is projected near the Earth's surface and moves along a curved path exclusively under the action of gravity.

Being vo the initial speed of the object, θ the initial launch angle, and \(g=9.8\ m/s^2\) the acceleration of gravity, then the maximum horizontal distance traveled by the object (also called Range) is:

\(\displaystyle d={\frac {v_o^{2}\sin(2\theta )}{g}}\)

Since the sine of an angle is bounded between -1 and 1, the maximum range will occur when the sine is 1:

\(\sin(2\theta)=1\)

The only angle between 0° and 360° whose sine is 1 is 90°, thus:

\(2\theta=90^\circ\)

Solving:

\(\theta=45^\circ\)

The horizontal range is maximum when θ is equal to 45°

The horizontal range is maximum for the value of angle equivalent to \(45^{\circ}\).

Given data:

The player kicks the ball with an angle \(\theta\) with the horizontal.

The given problem is based on the concept and fundamentals of projectile motion. In a projectile motion, the horizontal range is the horizontal distance covered by an object during its trajectory.

The mathematical expression for the horizontal range is given as,

\(R = \dfrac{u^{2}sin2 \theta}{g}\)

Here,

R is the horizontal range.

u is the initial speed.

And g is the gravitational acceleration.

Clearly, if we need maximum horizontal range, then we need to have the maximum value of sine. So if,

\(\theta =45^{\circ}\)

\(sin2 \theta=sin90\) = 1

So the maximum range is,

\(R = \dfrac{u^{2}sin(2 \times 45^{\circ})}{g}\\\\R = \dfrac{u^{2} \times sin 90^{\circ}}{g}\\\\R = \dfrac{u^{2}}{g}\)

Thus, we can conclude that the horizontal range is maximum for the value of angle equivalent to \(45^{\circ}\).

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Answer:

Option C is the correct statement.

Explanation:

Both coal-fired power plants and solar thermal power plants use a heat source to create steam, which then drives a turbine to generate electricity. In a coal-fired power plant, the heat is generated by burning coal to produce steam. In a solar thermal power plant, mirrors or lenses are used to concentrate sunlight onto a fluid, which is then heated to produce steam.

Option A is incorrect because coal is a non-renewable resource, while solar thermal power plants utilize renewable solar energy. Option B is incorrect because the conversion efficiency of coal-fired power plants is typically much lower than that of solar thermal power plants. Option D is partially correct, as coal-fired power plants are a major source of greenhouse gas emissions, while solar thermal power plants do not emit greenhouse gases during operation.

Answer: 0.488  m

Explanation: I have my ways ;>

Answer:

the positive charge is the period number

Explanation:

I might be wrong

Answer:

The positive charge is the group number.

Explanation:

During the 1980 Mount St. Helens eruption, a pyroclastic flow was generated by a direct blast traveling more than 150 m/sec and annihilating everything in its path.

In the 1980 eruption of Mount St. Helens, a devastating pyroclastic flow was generated. A pyroclastic flow is a fast-moving, ground-hugging avalanche of hot gases, ash, and volcanic debris.

It is formed when an explosive eruption column collapses, sending a dense and destructive mixture racing down the volcano's slopes. In this case, the direct blast from the eruption reached speeds of over 150 m/sec, obliterating everything in its path.

Pyroclastic flows are highly dangerous and deadly phenomena, capable of causing widespread destruction and loss of life due to their high temperatures, speed, and destructive force.

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Answer: W=M*gravity. 90 * 9.8=882N. That is the weight on Earth.

Explanation:

Calculating the weight is W=M*gravity. 90 * 9.8=882N. That is the weight on Earth.

Answer:

198.4 lbs

Explanation:

At the theoretical temperature of 0 K (also known as absolute zero), the substance's particles would stop moving.

This is because temperature is a measure of the average kinetic energy of the particles in a substance, and at 0 K, there is no thermal energy left to sustain motion.

At this temperature, all molecular motion and vibration would cease, and the substance would have the lowest possible energy state. This is the coldest temperature possible, and no substance can be cooled to exactly 0 K, although temperatures very close to absolute zero can be achieved in laboratory settings using cryogenic cooling techniques.

Therefore, the correct answer is: The substance's particles would stop moving.

What is kinetic energy?

Kinetic energy is the energy that an object possesses due to its motion. It is a form of energy that an object has because of its speed and mass. The formula for kinetic energy is:

KE = 1/2 * m * v^2

where KE is the kinetic energy, m is the mass of the object, and v is the velocity of the object.

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Answer:

Mix

Explanation:

A battery has two electrodes, at one end it has the anode and the other end has the cathode. Electrons travel through the circuit from the anode (negative) to the cathode (positive), and this is the driving force that provides electricity to flow through circuits.

The anode needs to have a low electron affinity because it needs to readily release electrons, and the cathode needs to have a high electron affinity because it needs to readily accept electrons.

Answer:

Cell membrane

Explanation:

Answer:

Explanation:

no

The distance from the sun at which this material can collect and form a terrestrial planet is influenced by a number of factors, including the presence of volatile materials, and the amount of radiation and heat being emitted by the star.

In general, terrestrial planets are thought to form within a habitable zone, which is a range of distances from a star where the temperature is just right for liquid water to exist on the surface of a planet. This zone is often referred to as the "Goldilocks zone," because it is not too hot and not too cold for life as we know it.

The inner boundary of the habitable zone is determined by the distance at which the temperature of the protoplanetary disk is too high for water ice to exist, while the outer boundary is determined by the distance at which the temperature of the disk is too low for water vapor to remain in the atmosphere.

Based on these factors, it is thought that terrestrial planets can form within a distance range of approximately 0.8 to 1.5 astronomical units (AU) from the sun. One AU is the average distance from the Earth to the sun, which is about 93 million miles.

The truck acceleration down the hill at a rate of roughly 0.8567 m/s². The acceleration can be expressed as a vector in component form, a = (0.8567 m/s², 0).

This section divides acceleration into two parts, the tangential component and the normal component. We can divide acceleration into I j, and k components in a manner similar to how we divide all vectors.

You can compute the gravitational force as follows:

F_gravity = m * g

where m is the truck's mass and g is gravity's acceleration, which is roughly 9.81 m/s².

F_gravity = 3000 kg * 9.81 m/s² = 29,430 N

F_parallel = F_gravity * sin(5°)

F_parallel = 29,430 N * sin(5°) = 2,570 N

F_net = m * a

2,570 N = 3000 kg * a

a = 2,570 N / 3000 kg = 0.8567 m/s².

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The evidence that scientists have that Mars used to have a magnetic field is this:

B. The atmosphere of Mars contains evidence of a magnetosphere.

Scientists base whatever conclusions they reach on a subject matter on evidence. To reach their conclusion that mars had a magnetic field that protected it, they used a device known as an orbiter to measure the magnetic strength of mars.

Their discovery showed that the magnetic field on Mars was ten times as strong as the earth's field. This gives evidence of the fact that at a certain time, there was a strong magnetic field on Mars.

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Answer:

a = V^2 / r        centripetal acceleration

a = F / m       given F (radial) = 30 N

1)      a = 30 N / 6 kg = 5 m/s^2        centripetal acceleration

2) V^2 = a r = 5 m/s^2 * .03 m = .15 m^2 / s^2

V = .39 m/s

3) I assume "with" should read "without"  otherwise the question can't be answered

a = V^2 / (2 * r)         if the radius is doubled then the acceleration is halved

Answer:

The positive charges point away from each other

Explanation:

Why?

Arrows point away from the positive charge and toward the

negative charge.

Explanation:

Suppose that you rubbed a balloon with a sample of animal fur such as a wool sweater or even your own hair. The balloon would likely become charged and its charge would exert a strange influence upon other objects in its vicinity. If some small bits of paper were placed upon a table and the balloon were brought near and held above the paper bits, then the presence of the charged balloon might create a sufficient attraction for the paper bits to raise them off the table. This influence - known as an electric force - occurs even when the charged balloon is held some distance away from the paper bits. The electric force is a non-contact force. Any charged object can exert this force upon other objects - both charged and uncharged objects. One goal of this unit of The Physics Classroom is to understand the nature of the electric force. In this part of Lesson 1, two simple and fundamental statements will be made and explained about the nature of the electric force.

Perhaps you have heard it said so many times that it sounds like a cliché.

Opposites attract. And likes repel.

These two fundamental principles of charge interactions will be used throughout the unit to explain the vast array of static electricity phenomena. As mentioned in the previous section of Lesson 1, there are two types of electrically charged objects - those that contain more protons than electrons and are said to be positively charged and those that contain less protons than electrons and are said to be negatively charged. These two types of electrical charges - positive and negative - are said to be opposite types of charge. And consistent with our fundamental principle of charge interaction, a positively charged object will attract a negatively charged object. Oppositely charged objects will exert an attractive influence upon each other. In contrast to the attractive force between two objects with opposite charges, two objects that are of like charge will repel each other. That is, a positively charged object will exert a repulsive force upon a second positively charged object. This repulsive force will push the two objects apart. Similarly, a negatively charged object will exert a repulsive force upon a second negatively charged object. Objects with like charge repel each other.

The activity where to explore the relationships between the electricity field charged with particles and those of the hockey field

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The tangential speed on the outer edge of a rotating carousel is dependent on the carousel's rotational speed and the distance from the center of rotation to the outer edge.

It can be calculated using the formula: tangential speed = radius × angular speed

Where the radius is the distance from the center of rotation to the outer edge, and the angular speed is the rate of rotation measured in radians per second.

The carousel's rotational speed of a carousel refers to the rate at which it completes one full revolution, and it is usually measured in units of revolutions per minute (RPM) or radians per second (rad/s). The faster the carousel rotates, the higher the outer edge's tangential speed. The rotational speed of a carousel can be controlled by adjusting the power source that drives it, such as an electric motor.

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The velocity with which the rock initially kicked if the cliff is 5 m high and the rock lands 7m from the base of the cliff is 6.93 m / s

s = ut + 1 / 2 at²

s = Distance

u = Initial velocity

t = Time

a = Acceleration

In vertical motion,

s = 5 m

u = 0

a = 9.8 m / s²

5 = 0 + ( 1 / 2 * 9.8 * t² )

t² = 1.02

t = 1.01 s

In horizontal motion,

s = 7 m

a = 0 ( Since velocity is constant )

7 = 1.01 u + 0

u = 7 / 1.01

u = 6.93 m / s

Therefore, the velocity with which the rock initially kicked is 6.93 m / s

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Explanation:

Veins carry deoxygenated blood from different parts of the body to our heart. ... Since a larger volume of blood is collected in the right auricle than that of the left auricle, right auricle is larger than the left auricle.

Firefighter can hit with water while standing at distance of 153 m from building.

The projectile travels the path with a parabolic trajectory due to the effect of gravity. No horizontal forces so there is no horizontal acceleration.

The velocity of a projectile has horizontal component and the vertical component.

The vertical component of the velocity, \(\displaystyle V_y = Vsin\theta\)

The horizontal component of the velocity, \(\displaystyle V_x = Vcos\theta\)

Given the angle θ with the X- axis = 40°

The velocity of the stream V = 39 m/s

The Y component of the velocity, Vy = 39× sin 40°

Vy = 25.1 m/s

The X component of the velocity, Vx = 39× cos 40°

Vx = 29.88 m/s

The time , t = Vy/g = 25.2/9.8 = 2.56 sec

The distance from the building, \(x = V_x\times 2t\)

x = 29.88 ×2×2.56

x = 153 m

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Answer:

17 meters

Explanation:

because 12 meters +5 meters =17 meters

Answer:

A light bulb

Explanation:

Sorry of it wrong

The average speed of the car is 35.6m/s

The average speed is the total distance traveled by the object in a particular time interval. The average speed is a scalar quantity. It is represented by the magnitude and does not have direction. It is measured in meter per second

Therefore average speed = total distance / total time taken

The total distance here is 500+ 500= 1000km = 1×10⁶m

the time taken for the first journey = 500×1000/35= 14285.71 seconds

the time taken for traveling back = 500000/43= 11627.91 seconds

total time taken = 14285.71 + 11627.91 = 25913.62seconds

therefore average speed = 1000000/25913.62

= 35.6m/s

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