What could be a possible explanation why tectonic plates do not all move in the same direction

Answer:

The combining of light nuclei is called nuclear fusion.

Answer:

Fusion

Explanation:

The combination of two lighter nuclie and forms a new heavier nucleus and release and lot of amount of energy is called nuclear fusion.

To start the nuclear fusion reaction we need a very high temperature.

We get energy from sun, it is due to the nuclear fusion of hydrogen and forms helium.

Answer:

A. 4,440 N

Explanation:

A Force applied on an object with mass 'm' can change its velocity in a unit time. This change is called acceleration.

If a force 'F' is applied on a body of mass 'm', it produces an acceleration 'a' in the body.

Force is give as :

F = ma

In our case,

m = 1200 kg    a = 3.7 m/s²

F = 1200 x 3.7

F = 4440 kgm/s²

F = 4440 N

Elements in Group VIIIA (noble gases) have similar properties because they all have full octets in their outer energy shells, making them extremely unreactive due to having complete valence electron configurations.

Elements in Group VIIIA, also known as Group 18 or the noble gases, have similar properties because they all have full octets, which means their outer energy shells are complete. This results in them being very unreactive. The similarity in chemical properties among elements of the same group occurs because they have the same number of valence electrons, which determines how they react.

Answer:

It will for sure be data, that is the name for information gathered from any experiment

Answer:

data

Explanation:

Data is the set of observations that a scientist gathers during an experiment. When the data is analyzed and used to prove a hypothesis it becomes information.

The conclusion is the inference drawn from the data after analysis.

Data is used to describe observations in both qualitative or quantitative research.

Research is the overall study of an experiment.

Answer:

[tex]v = 2.55\ m / s[/tex]  ↑   upwards

Explanation:

Take the direction up (where the hot-air balloonist moves) as the positive direction, and take the direction down (contrary to the direction of the hot-air balloonist) as the negative direction.

Then we propose the kinematic equation for the speed of the sandbag:

[tex]v (t) = v_0 + at[/tex].

Where

[tex]v_0[/tex] is the initial velocity of the sandbag

a is the acceleration of the sandbag

t is the time in seconds.

In this case

a is the gravitational acceleration of [tex]9.8\ m / s ^ 2[/tex]

[tex]v_0 = 5\ m / s[/tex]

[tex]t = 0.250\ s[/tex]

Now we substitute these values into the formula and solve for [tex]v(t)[/tex]

[tex]v = 5 + (-9.8) (0.250)\\\\v = 5 -9.8 (0.250)\\\\[/tex]

[tex]v = 2.55\ m / s[/tex]  ↑   upwards

Answer:

meter

kilometer

inch

Explanation:

The units can be used to measure length or distance are meter, kilometer and inch.

Length is the distance measured from one point to the the other.

Length is the fundamental unit of the physical system. It can be expressed in different units systems like SI, FPS or CGS

Thus, the units used to measure distance are meter, kilometer and inch.

Learn more about length.

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Answer:

Sometimes the correct answer is there, as is, but the test has a different answer. Tell the teacher that the computer had the wrong answer.

Answer:

The wind will blow from the higher pressure over the water to lower pressure over the land causing the sea breeze. The sea breeze strength will vary depending on the temperature difference between the land and the ocean. At night, the roles reverse. The air over the ocean is now warmer than the air over the land.

Sea breezes occur during hot, summer days because of the unequal heating rates of land and water. During the day, the land surface heats up faster than the water surface. Therefore, the air above the land is warmer than the air above the ocean. Now, recall that warmer air is lighter than cooler air.

Answer:

If they were reduced to the levels like those during the ice ages, I think the Earth might go back to being frozen again.

Right now, what make the glaciers and polar ice caps melt?

Global Warming and greenhouse gases are depleting the Ozone. The Ozone is what traps the heat from the Sun and radiates it back to the Sun. Greenhouse gas is depleting the Ozone, which means that the heat from the sun is less protected, which results in climate change. It makes the Earth hotter which can mean that the glaciers are melting because the climate in the North and South pole is way to hot for it to stay frozen.

Hope this helped!

Answer: Earth would become frozen and also greenhouse gases reduce the ozone layer which is why  glaciers are melting and Earth is getting hotter. It is why greenhouse gases are a big issue.

A force of 1 Newton is equivalent to 1 kg (m/s²). The product of mass and acceleration is known as force.

Force is defined as the push or pull applied to the body. Sometimes it is used to change the shape, size, and direction of the body.

Force is defined as the product of mass and acceleration. Its unit is Newton.

F=ma

The Si unit of the force is Newton. While the MKS unit is found as;

F=ma

F = kg (m/s²)

Hence, a force of 1 Newton is equivalent to 1 kg (m/s²).

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Igneous intrusions form when magma cools and solidifies before it can reach the surface. An extrusion consists of extrusive rock; which forms above the surface of the crust.

Answer:

Energy and another nucleus of the new element/particle.

Explanation:

A nuclear decay is an radioactive decay where the nucleus of an atom becomes unstable and loses energy through emitting radiations.For example, there is an alpha decay that release  an alpha particle called helium-4, a beta decay that involve releasing a beta particle which normally occurs in a nucleus that has more neutrons than protons.Other decays are the gamma decay,electron capture and the spontaneous fission.Nuclear decay produces a lot of energy and radiations that could harm human cells if exposed.

Nuclear decay results in the formation of new elements or isotopes, which can involve beta decay, gamma decay, and alpha decay processes; notably, in reactors, this can lead to the production of plutonium-239 from uranium, and in supernovae, it results in the emission of gamma rays as elements like nickel decay into stable isotopes.

Nuclear decay forms new elements or isotopes by the transformation of one nuclide into another. This process can occur in various forms, such as beta decay, gamma decay, and alpha decay. For instance, in nuclear reactors, plutonium-239 is formed as a byproduct during the decay of uranium through a successive process where uranium-238 captures a neutron to become uranium-239, which then undergoes beta decay to become neptunium-239 and subsequently undergoes another beta decay to form plutonium-239.

Beta decay involves the conversion of neutrons to protons or vice versa within the nucleus, along with the emission of electrons or positrons and neutrinos or antineutrinos, driving the nuclide towards a stable configuration. Gamma decay involves the emission of high-energy photons, usually after another decay process has left the nucleus in an excited state.

A notable natural occurrence of nuclear decay happens in supernovae, where elements like nickel-56 decay into cobalt-56 and eventually to the stable isotope iron-56, emitting gamma rays that contribute energy to the expanding supernova remnant.

Light intensity is the "amount of light given off a light source." Also, is the measure the wavelength of the amount of light given off by a light source.

Hope this helps.

It's the brightness of something, and is measured as the rate at which light energy is delivered to a unit of surface, or energy per unit time per unit area.

Answer:

thick wire and cold temperatures

Answer: There may be two types of resistances here:

Air resistance: for example when something is falling down, the air will push the object upwards. As a bigger surface has the object, more air is pushing, so if you want to reduce the resistance yo must reduce the surface area. For example, a sheet of paper will experience more resistance if it is open if you make a small ball with it.

Electric resistance: This is the resistance of conductors against the electrons that try to travel along with it.

there are two equations here.

R = p*L/A, this talks about the volume and density of the conductor, where p is the density, L is the length and A is the area perpendicular to the direction in which the electricity flows.

Then if you reduce the length, and increase the area, the resistance will be reduced.

the other equation is: R(T) = R0( 1 + a*(T - 20°))

Where R0 is the resistance at 20° and a is a coefficient for T = 20°.

Here, you can see that at smaller temperatures, the resistance decreases, so we can conclude that we must increase the area, and decrease the length and temperature.

The electric potential energy is directly proportional to product of charges, hence when the particle charge is reduced by a factor of 3, the electric potential energy will also be reduced by a factor of 3.

Answer: Option C

Explanation:

Electric potential energy is the potential energy which is conservative to the respective coulomb forces between the two particle charges which are at a specified separation from each other.

Electric potential energy = [tex]\frac{k (q1 q2)}{r}[/tex]

Where the k is the electrostatic constant,

q1 is the first charge.

q2 is the second charge.

r is the distance between q1 and q2.

A small bar magnet placed at any position will align itself according to nearby magnetic fields. In the magnetic field of a larger magnet, its North pole will point towards the South pole of the larger magnet and vice versa. In the Earth's magnetic field, the magnet's North pole will point towards the Earth's geographical North.

To determine how a small bar magnet would be oriented when placed at position x, we must consider the nature of magnetic fields. Every magnet has two poles: a north-seeking pole (N) and a south-seeking pole (S). The orientation of the magnet is dictated by these poles in response to magnetic fields nearby.

Let's say we have a larger stationary magnet with clearly defined North and South poles. If we place the small bar magnet at position x, it will align itself such that its North pole points towards the South pole of the stationary magnet and its South pole points towards the North pole of the stationary magnet. This is because unlike poles attract each other while like poles repel each other.

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A small bar magnet placed at position x will align head-to-tail with Earth's magnetic field, and if near another magnet, it will interact in a way where like poles repel. The bar magnet's orientation will depend on both the Earth's magnetic field and other nearby magnetic fields or magnets.

When a small bar magnet is placed at position x, it will align itself head-to-tail with the natural magnetic field lines of the Earth. This alignment can be affected by the ambient field of the Earth and nearby magnetic materials, but typically, a magnet will settle into an orientation where its north-seeking pole points toward the Earth's magnetic north and the south-seeking pole points toward the Earth's magnetic south.

In the case of two bar magnets, like poles repel and opposite poles attract. If a bar magnet is suspended with the north pole pointing up, it will not only orient along the Earth's magnetic field lines but also interact with any nearby magnets. When placed in proximity to a second magnet with its north pole facing the first magnet's north pole, the second magnet will experience a repulsive force in the +x direction, as implied by the given scenario where one magnet's dipole moment is pointing in the +x direction, and the other's is pointing back towards the origin.

The general behavior of the small bar magnet at position x will follow these principles, and its exact orientation will depend on the specific environmental magnetic influences and interactions with other magnets in the vicinity.

Answer:

9.8 m/s/s

Explanation:

The numerical value, in meters per second squared, of the acceleration of an object experiencing true free fall is 9.8 m/s/s. This is called the acceleration due to gravity.

Answer: 9.8

The velocity of a free-falling object can be discovered by using a simple mathematical formula: v = (9.8 m/s2) * time

Explanation:

Power = (current)² x (resistance)

Resistance = (power) / (current)²

Resistance = (3 W) / (0.9 A)²

Resistance = 3.333... ohms

That's the total resistance in the series circuit. (3 and 1/3) ohms .

Voltage = (current) x (resistance)

Voltage = (0.9 A) x (3.333... ohms)

Voltage = 30 volts

That's the total voltage ... the battery that's powering the whole series circuit.  

Using only the information given in the question, there's no way to calculate how much of the 30V appears across the resistor and how much of it appears across the light bulb.

Answer:

They seek the path of lease resistance between opposite magnetic poles, in a single bar magnet they attempt to form closed loops from pole to pole and never cross each other.

Answer:

NOT:

If copper is a better conductor, it will heat up faster than iron.

Explanation:

Answer: Charge and distance between them

Explanation: edge 21

Charge and distance between them affect the electrical force between two objects.

An electrical force is a force that acts between objects that have an electric charge. This force is a result of the interaction between the charges of the objects, and it can either be attractive or repulsive depending on the charges of the objects.

The electrical force between two objects is determined by their charges and the distance between them. The strength of the electrical force is proportional to the magnitude of the charges and inversely proportional to the square of the distance between the objects. This relationship is described by Coulomb's law, which states that the force between two point charges is proportional to the product of the charges and inversely proportional to the square of the distance between the charges.

The masses of the objects do not directly affect the electrical force between them. However, the masses of the objects can affect the direction of the electrical force if they are moving, as the force will cause a change in the motion of the objects. The electric field strength is a measure of the strength of the electric force per unit charge and is proportional to the charge density of an object. The electric field strength is not directly related to the mass of an object, but it can be affected by the presence of other charges in the vicinity.

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Answer:

acid rain.

Explanation:

its kinda obvious.

Answer:

a=12 m/s²

Explanation:

Newton's second law of motion states that the acceleration of a body is directly proportional to the force applied and takes place in the direction of force.

This can be summarized as: F=ma, where m is the mass of the object on which force F acts. a is the acceleration due to the force applied.

12N= 1kg×a

a=12N/1kg

a=12m/s²

Answer:

If the an object is moving in such a way that the magnitude of its velocity is same but its direction is changing then the object is said to be moving with variable velocity. Uniform velocity is when an object has an equal distance and an equal interval of time in a specific direction it is said to have uniform velocity.

In California, changing lanes in the middle of an intersection D. is legal.

Although it is legal, it's not necessarily the safest thing to do in an intersection.

In California, changing lanes in the middle of an intersection C. Is illegal

Changing lanes in driving refers to the act of moving your vehicle from one lane to another on a multi-lane road or highway. Drivers typically signal their intent to change lanes, check blind spots, and ensure it's safe to do so before making the maneuver to prevent accidents and maintain smooth traffic flow.

Changing lanes in the middle of an intersection in California is illegal. The proper and safe way to change lanes is before entering the intersection and when it is safe to do so. Changing lanes within the intersection can disrupt the flow of traffic and potentially cause accidents.

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In physics, 'work' is a force causing the motion of an object. For work to be done, there must be displacement in the direction of the applied force. In the scenario presented, the situation in which no work is done is when a person is carrying a box from one place to another, as the force and displacement are perpendicular to each other.

The concept of 'work' in physics is different from the everyday usage of the term. In physics, work is defined as a force causing the motion—or displacement—of an object. In the concept of work, two key components need to be present: force and displacement in the direction of the force.

With this definition, the scenario where no work is being done is: A. a person carrying a box from one place to another. In this situation, regardless of the weight of the box, if the person carries it horizontally, the force exerted (which is vertically upwards, opposing the weight of the box) and the displacement of the box (which is horizontal) are perpendicular to each other. Since work done is the product of force, displacement, and the cosine of the angle between them, when force and displacement are at 90 degrees, the cosine of the angle is zero and the work done is zero.

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Answer:

the items you connect to a household outlet.

Explanation:

There exists many devices that uses AC current to operate. For example:

1. Electric Clocks. Synchronous clocks rely on the 50 or 60 Hz utility frequency of the AC electric power grid as a timing source. There are cases in which Power Plants decreases its frequency (Most of the times because of a failure), and for that reason you will find that electric clocks are delayed.

2. Fridge. Yes, your fridge needs AC current to work, that's why it's connected to your outlet!

3. Microwave. Yes, also your microwave needs AC current to work.

Basically, all of the items you connect to an outlet works with AC current.

Answer:

It depends on the size and density but No.

Explanation:

Answer:

Explanation:

An acid has H as its metal as in H2SO4

A base has OH as its nonmetal as in Mg(OH)2

A salt is made of neither. That's what NaCl is -- a salt.

Answer: C. 14 volts

Explanation:

According to Ohm's law, the voltage [tex]V[/tex] is:  

[tex]V=R.I[/tex]   (1)

Where:

[tex]R=3.2\Omega[/tex] is the resistance of the clock

[tex]I=4.5A[/tex] is the electric current that flows throgh the clock

Substituting these values in (1):

[tex]V=(3.2\Omega)(4.5A)[/tex]   (2)

[tex]V=14.4V\approx14V[/tex]

Answer:

See image

Explanation:

Plato