What type of circuit is illustrated?
A.closed parallel circuit
B.Closed series circuit
C.open series circuit
D.Open parallel circuit

Answer:

Electric current is continuous, and static electricity is not continuous.

Explanation:

Electric current is defined as rate of flow of charge which is given by

[tex]i = \frac{dq}{dt}[/tex]

here we know that since this flow of charge is continuous so here electric current is continuous flow of charge.

Now for static electricity is instantaneous discharge of charge particles which are accumulated at a given point.

We can say it a part of a body is charged heavily then this heavy charge will instantaneously discharge to some other body of lower potential when it comes in contact with it.

So it is instantaneous current which flows for some fraction of time

so correct answer will be

Electric current is continuous, and static electricity is not continuous.

The difference between electric current and static electricity is "Electric current is continuous, and static electricity is not continuous." The correct option is A.

Electric current is continuous because it involves the continuous flow of charged particles, typically electrons, through a conductor.

When an electric potential difference (voltage) is applied across a conductor, electrons are able to move through the conductor from a region of high potential (positive terminal) to a region of low potential (negative terminal). This flow of electrons through the conductor is called an electric current.

The electrons in a conductor do not move randomly; they are guided by the electric field generated by the voltage source. The voltage source continually pumps electrons through the conductor, creating a continuous flow of charged particles.

The amount of current flowing through the conductor is dependent on the magnitude of the voltage applied, as well as the resistance of the conductor. Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage applied across the conductor, and inversely proportional to the resistance of the conductor.

So, as long as a voltage source is present and the conductor has a low enough resistance, electric current will continue to flow continuously through the conductor.

Here in the question,

Electric current and static electricity are two different forms of electrical phenomena.

Option A is correct because electric current is a continuous flow of charged particles, typically electrons, through a conductor. Electric current is the movement of charges, and it is commonly measured in amperes (A).

Option B is not correct because static electricity is the buildup of electric charges on the surface of a non-conductive material, such as plastic or rubber. Static electricity is not a continuous flow of charged particles, and it can be discharged in a sudden burst of energy, such as when you touch a doorknob after walking across a carpet. Static electricity is usually measured in volts (V).

Option C and D are not correct because both electric current and static electricity involve the movement of electrons, not protons. In electric current, electrons move through a conductor, while in static electricity, electrons are transferred from one material to another, resulting in a buildup of electric charges on the surface of an object.

Therefore, the correct option is A. Electric current is continuous, and static electricity is not continuous.

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Answer:

A

Explanation:

The big bang suggests that the universe is constantly expanding.Distant galaxies moving closer would mean that  the universe is constantly contracting instead of expending which contradicts the statement.

Answer:

A. Over time, distant galaxies move progressively closer to Earth.

Explanation:

Over time, distant galaxies move progressively closer to Earth would contradict the big bang theory.

Hope this helps!

Feel free to ask if you have anymore questions!

Answer:

metal

Explanation:

metal is an excellent conductor for heat and electricity therefore making it perfect to experiment with different temperatures.

Answer:

Explanation:H2 which is mean 2 atoms of hydrogen

Answer:

2

Explanation:

Answer:

6400 m

Explanation:

You need to use the bulk modulus, K:

K = ρ dP/dρ

where ρ is density and P is pressure

Since ρ is changing by very little, we can say:

K ≈ ρ ΔP/Δρ

Therefore, solving for ΔP:

ΔP = K Δρ / ρ

We can calculate K from Young's modulus (E) and Poisson's ratio (ν):

K = E / (3 (1 - 2ν))

Substituting:

ΔP = E / (3 (1 - 2ν)) (Δρ / ρ)

Before compression:

ρ = m / V

After compression:

ρ+Δρ = m / (V - 0.001 V)

ρ+Δρ = m / (0.999 V)

ρ+Δρ = ρ / 0.999

1 + (Δρ/ρ) = 1 / 0.999

Δρ/ρ = (1 / 0.999) - 1

Δρ/ρ = 0.001 / 0.999

Given:

E = 69 GPa = 69×10⁹ Pa

ν = 0.32

ΔP = 69×10⁹ Pa / (3 (1 - 2×0.32)) (0.001/0.999)

ΔP = 64.0×10⁶ Pa

If we assume seawater density is constant at 1027 kg/m³, then:

ρgh = P

(1027 kg/m³) (9.81 m/s²) h = 64.0×10⁶ Pa

h = 6350 m

Rounded to two sig-figs, the ocean depth at which the sphere's volume is reduced by 0.10% is approximately 6400 m.

Globalization facilitates international trade, leading to increased wealth, better and less expensive products for consumers, and higher incomes for employees of successful businesses. It also creates international awareness and serves as a political counterbalance to domestic protectionism.

One of the key benefits of globalization is the potential for increased wealth across nations. Through reductions in tariffs, quotas, and other trade barriers, as well as improved transportation and communication technologies, globalization has driven down costs. This has facilitated international trade, allowing consumers to enjoy better and less expensive products and businesses to tap into larger markets, thereby increasing their profits. Employees of these successful businesses can also benefit from higher incomes.

Another advantage is the creation of international awareness and empowerment, promoting cultural exchange and international cooperation. Lastly, international agreements and treaties can act as a counterweight to domestic special interest groups, helping to prevent protectionist policies that could otherwise harm global economic progress.

Answer: Reliable and trusted

The sources used in the scientific research purpose should be reliable.

Explanation:

In doing the scientific research, the sources must not be of popular kind but should be representative kind which could represent the material and method adopted in the research very well. The sources are never termed as new or old sources, as the source is not bounded by time but space.

The source applicability is defined by the parameter used in the specified location and not time. Therefore, the source must be reliable which could give definite information and trustworthy.

Answer:

Explanation: At rest and in motion because an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force."

The law of inertia, also known as Newton's first law of motion, applies to objects at rest and in motion.

The term inertia comes from the Latin word inners, meaning idle, sluggish. The term inertia may also refer to the resistance of any physical object to a change in its velocity. This includes changes to the object's speed or direction of motion.

The law states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.

This means that an object at rest will remain at rest unless a force is applied to it, while an object in motion will continue to move in a straight line with constant speed unless a force is applied to it.

In other words, the law of inertia applies to all objects, whether they are at rest or in motion.

The behavior of an object is determined by the forces acting on it, or the lack of forces if no external forces are present.

Therefore, the law of inertia applies to objects in all states of motion.

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Answer:

because the lava underneath the plate was moving in different directions leading to the separation of pangea

Explanation:

The weak nuclear force is responsible for allowing carbon-14 to become stable. Thus, the correct option is C.

Radioactivity may be defined as the process of the liberation of energy from the decay of the nuclei of certain types of atoms and isotopes.

During the process of radioactivity decay, a beta particle is terminated which leads to one neutron changing into a proton inducing carbon-14 to become nitrogen-14 which is more stable than carbon-14.

Therefore, the correct option for this question is C.

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Answer:

Convex lens.

Explanation:

This lens forms real images (images that can be focused on a screen when the object is beyond a distance beyond F the focal length of the lens.

If the object distance is less than the focal length( In front of the focal point or between the focal point and the pole of the lens) , the lens forms a virtual enlarged image,

Answer:

Convex lens.

Explanation:

This lens forms real images (images that can be focused on a screen when the object is beyond a distance beyond F the focal length of the lens.

If the object distance is less than the focal length( In front of the focal point or between the focal point and the pole of the lens) , the lens forms a virtual enlarged image,

Answer:

1440 N

Explanation:

The electrostatic force between the two charges is given by:

[tex]F=k\frac{q_1 q_2}{r^2}[/tex]

where:

[tex]k=9.00 \cdot 10^9 N m^2 C^{-2}[/tex] is the Coulomb's constant

[tex]q_1 = q_2 = -8.00 \cdot 10^{-5} C[/tex] is the value of each charge

r = 20.0 cm = 0.20 m is the separation between the charges

Substituting numbers into the equation, we find

[tex]F=(9\cdot 10^9 N m^2 C^{-2} )\frac{(-8.00 \cdot 10^{-5}C)^2}{(0.20 m)^2}=1440 N[/tex]

Answer:

when the temperatures of the two objects are equal

Explanation:

Thermal equilibrium is achieved between two objects when the temperatures of the two objects are equal. Heat flows from hot to cold objects. When the two objects attain equal temperatures, we say thermal equilibrium has been achieved

Answer:

Metals

Explanation:

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Answer:

Cart A

Explanation:

Momentum can be computed by finding the product of mass and velocity. To solve this, you can use the formula below to find the greatest momentum:

p = mv

where:

p = momentum (kgm/s)       m = mass (kg)         v = velocity (m/s)

Because carts are moving along with the weights, we need to consider the whole system. This means that you need to add in the masses and the mass of the cart.

Cart A:

m = 200kg + 0 kg = 200 kg

v = 4.8 m/s

p = 200kg x 4.8 m/s = 960 kg-m/s

Cart B:

m = 200kg + 20 kg = 220 kg

v = 4.0 m/s

p = 220kg x 4.0 m/s = 880 kg-m/s

Cart C:

m = 200kg + 40 kg = 240 kg

v = 3.8 m/s

p = 240kg x 3.8 m/s = 912 kg-m/s

Cart D:

m = 200kg + 60 kg = 260 kg

v = 3.5 m/s

p = 260kg x 3.5 m/s = 910 kg-m/s

As you can see, Cart A has the greatest momentum.

Answer: A

Explanation: I took the test

Answer:

focuses light from distant objects

The last alternative is correct

Explanation:

An optical telescope is an instrument that collects  and focuses light from distant objects.

An optical telescope is an instrument designed to make distant object appear nearer.

Answer:

distant

Explanation:

The most likely method of heat transfer from the heating element to the pot to the boiling water would be conduction, as it is the process by which heat is transferred through direct contact.

The most likely method of heat transfer described in the question would be conduction. This is the process that takes place when heat is transferred through direct contact between materials. In the case described in the question, the heating element comes into direct contact with the pot, and then the pot comes into direct contact with the boiling water, thus the heat is transferred from one to the other. This is conduction.

It's also interesting to note the other forms of heat transfer for comparison. Convection is the process of heat transfer by actual movement of matter; it can't happen through solid materials, such as between a pot and the heating element, but only through liquids, gases, and plasma. On the other hand, radiation is the transfer of energy by electromagnetic waves and doesn't require a medium (such as air, or a metal pot) to happen.

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Answer:

I think it's called "Down syndrome."

Explanation:

Hope my answer has helped you!

Answer: The height of the satellite above the surface of Earth is [tex]8.02\times 10^{5}m[/tex]

Explanation:

Given

Mass of the satellite, m= 1160 kg

tangential speed , v = 7446 m/s

Centripetal force , F = 8955 N

Radius of earth , R= [tex]6.38\times 10^{6}[/tex] m

Let height of satellite above surface of the Earth be H

Centripetal force on satellite is given by

[tex]F=\frac{mv^{2}}{R+H}[/tex]

=>[tex]H=\frac{mv^{2}}{F}-R[/tex]

=>[tex]H=(\frac{1160\times 7446^{2}}{8955}-6.38\times 10^{6}) m=8.02\times 10^{5}m[/tex]

Thus the height of the satellite above the surface of Earth is [tex]8.02\times 10^{5}m[/tex]

Answer:

8.02 x 10^5 m

Explanation:

8.02 x 10^5 m

Answer:

Around 2.64172 quarts

Explanation:

Answer:

show the relative magnitude and direction of all forces acting upon an object

Explanation:

A free body diagram shows all the forces acting on a body. It gives the magnitude and direction of the number of forces acting on an object when it is in equilibrium.

For example,

When a force applied to an object is F. The force of friction also acts on it in opposite direction. Its weight is also acting in vertically downward direction. One normal is also acting on it.

It shows that all type of forces acting on the object i.e. normal force, gravitational force, frictional force and the applied force.

Average velocity =

(distance and direction of their change in location)

divided by

(time for the change) .

Distance and direction of their change in location = 2.0 km east  (their "displacement")

Time for the change = 30 minutes

Average velocity = (2.0 km east) / (30 minutes)

Average velocity = (2/30) (km east/minute)

Average velocity = 0.067 km/min east

or

Average velocity = 4.0 km/hr east

Just to be difficult, the question specifies that the answer must be given in units of m/s.  Is no problema for nosotros:

Average velocity = (4.0 km-east/hour) x (1,000 m/km) x (1 hour/3600 sec)

Average velocity = (4 x 1,000 / 3,600) (km-east-meter-hr / hr-km-sec)

Average velocity = 1.111... m/s East

Answer:

thanks for the asnwer

Explanation:

Answer:

8.8 N

Explanation:

Impulse = change in momentum

In the x direction:

Fx (0.625 s) = (0.350 kg)(12 cos 30° m/s - 25 cos 60° m/s)

Fx ≈ -1.18 N

In the y direction:

Fy (0.625 s) = (0.350 kg) (12 sin 30° m/s - 25 sin 60° m/s)

Fy ≈ -8.76 N

The magnitude of the force is therefore:

F² = Fx² + Fy²

F ≈ 8.84 N

Rounded to two sig figs, the force exerted by the wall is approximately 8.8 N.

Answer:

The answer is 2.28 seconds

Explanation:

Given data:

Work done = 8000J

Distance , d = 30 m

Power , P =3500 W

We know that

(a)  Work done = force × distance

      8000 J    = F x 30 m

                 F   = 8000 J / 30 m

                   =  266 N

(b) Power = work done / time taken

      3500 W = 8000 J/ time taken  

       3500 W x time taken = 8000 J  

         Time taken = 8000 J / 3500 W =2.28 s

Hello There!

"Protons" are positive charges in an atom. It's also equal to the atomic number.

Answer:Valence electron

The family properties in the periodic table are determined by the number of valence electrons, and chemical properties are influenced by protons and valence electrons. Atoms with the same number of protons but different neutrons are isotopes, maintaining the element's identity.

Each family in the periodic table has its own characteristic properties based on the number of valence electrons. The periodic table organizes elements by increasing atomic number, which is defined by the number of protons within the nucleus of an atom. The chemical properties of an element are primarily determined by its number of protons and valence electrons. Atoms with the same number of protons but differing numbers of neutrons are known as isotopes and do not change the element's location in the periodic table. For example, carbon will always have six protons, regardless of the number of neutrons; thus, it retains its chemical identity as carbon.