A heating element has a resistance of 180 Ω and draws a current of 1.60 A. What is its power?

See this suggested solution.

1. Let a force F' is the vector sum of the forces P and Q, then it is shown on the attached picture and marked with red color.

2. according to the condition the force F holds the object, then F should have the same length as the force F' and the opposite direction.

3. using the conditions described in 2. the answer is C.

Answer: a

Explanation:

The following combination is not feasible to be in equilibrium : 10,10,10

The correct option is A.

A state in which opposing forces or influences are balanced is called equilibrium.

The addition of two smaller forces must be greater than the third force in case of three forces to be in equilibrium.

For A: 10 + 10 >10 or 20 > 10

For B: 10 +5 <17 or 15 <17

For C: 5 +10 > 12 or 15 >12

For D: 5 +12 >13 or 17 >13

So, the gap between the magnitude of balancing forces is very high in (10,10,10).

Thus, the correct option is A.

Learn more about equilibrium.

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1 is a cell (c)

2 is a battery (A)

3 is a switch (D)

4 is a voltmeter (B)

5 is an ammeter(F)

6 is a resistor. ( I don't see it listed. Try G if you have it.)

7 is a lamp. (E)

1, 2 & 4 are going to be the the correct answer for the question

All but the third one are correct.

Hope this helps.

Answer is mass (m), and the acceleration caused by gravity (g). The height of the object also changes your answer. PE stands for potential energy. The formula for gravitational potential energy is PEg=mgh

okay ok okokokokokokokokokok

Answer:

We will use the Coulomb’s Law:

[tex]F = \frac{1}{4\pi \epsilon_0}\frac{q_1 q_2}{r^2}[/tex]

[tex]\epsilon_0 = 8.85\times 10^{-12}[/tex]

[tex]F = \frac{1}{4 \times (3.14) \times (8.85\times 10^{-12})}\frac{4.5\times 10^{-6} \times 2.8 \times 10^{-6}}{(2.5\times 10^{-2})^2} = 181.24 N[/tex]

The answer is (a).

The magnitude of the electric force between the two objects is [tex]\( 2.02 \times 10^{-8} \, \text{N} \).[/tex]

To calculate the electric force between two charged objects, we use Coulomb's Law, which states that the force (F) between two point charges is directly proportional to the product of the magnitudes of the charges (q1 and q2) and inversely proportional to the square of the distance (r) between their centers. The formula is given by:

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

where  k is Coulomb's constant [tex](\( 8.9875 \times 10^9 \, \text{N m}^2/\text{C}^2 \)).[/tex]

Given:

- \[tex]( q_1 = 4.5 \, \mu\text{C} = 4.5 \times 10^{-6} \, \text{C} \)[/tex]

- [tex]\( q_2 = 2.8 \, \mu\text{C} = 2.8 \times 10^{-6} \, \text{C} \)[/tex]

-[tex]\( r = 2.5 \, \text{cm} = 0.025 \, \text{m} \)[/tex]

Now, we can plug these values into Coulomb's Law:

[tex]\[ F = (8.9875 \times 10^9 \, \text{N m}^2/\text{C}^2) \frac{(4.5 \times 10^{-6} \, \text{C}) \cdot (2.8 \times 10^{-6} \, \text{C})}{(0.025 \, \text{m})^2} \][/tex]

[tex]\[ F = (8.9875 \times 10^9 \, \text{N m}^2/\text{C}^2) \frac{(1.26 \times 10^{-5} \, \text{C}^2)}{(6.25 \times 10^{-4} \, \text{m}^2)} \][/tex]

[tex]\[ F = (8.9875 \times 10^9 \, \text{N m}^2/\text{C}^2) \cdot (2.016 \times 10^{-2} \, \text{C}^2/\text{m}^2) \][/tex]

[tex]\[ F = 1.8075 \times 10^{-2} \, \text{N} \][/tex]

[tex]\[ F = 2.016 \times 10^{-8} \, \text{N} \][/tex]

Rounding to the appropriate significant figures, we get:

[tex]\[ F = 2.02 \times 10^{-8} \, \text{N} \][/tex]

The complete question is :

Two object accumulated a charge of 4.5 μC and another a charge of 2. 8 μC. These two objects are separated by a distance of 2.5 cm. Calculate the magnitude of the electric force between these two objects.

(a) 181 .24 N

(b) 4.53 N

(c) 1.81 x 1014 N

(d) 2.02 x 10-8 N

Answer:

b. 4

Explanation:

The electric force between two charged objects is given by:

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

where

k is the Coulomb's constant

q1 and q2 are the charges of the two objects

r is the separation between the two objects

In this problem, we have that the charge of one object is quadrupled:

[tex]q_1'=4q_1[/tex]

while all the rest remain unchanged. So the new electric force between the two objects is

[tex]F'=k\frac{q_1' q_2}{r^2}=k\frac{(4q_1) q_2}{r^2}=4 k\frac{q_1 q_2}{r^2}=4F[/tex]

So, the force will quadruple as well.

Answer:

B

Explanation:

A) 0

because all of the forces cancel out, so it is not moving with balanced forces.

Answer:

0 Newtons

Explanation:

As you can see in the image all of the forces that are contrary or opposite to one another have the same magnitude, that makes them cancel out, in order for an object to move the force applied most be greater than the force that is setting it at rest, usually the friction, unless one of this forces si greater than the other the object won´t move, so the net force acting on the object will be 0,

Stars are made of gas, and star color is related to temperature. Hope this helps and have a good day. :)

Answer:

3.Stars are made of gas.

4.Star color is related to temperature.

Explanation:

This applies to nuclear reactions, specifically nuclear fission.

This huge release of energy has been used in atomic bombs and in the nuclear reactors that generate electricity.

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milk and water to scatter light

Answer:

an aquarium for the atmosphere and a lamp for the sun

Explanation:

study island

Answer:

Tails of comets, The ionosphere, A neon sign

Explanation:

Edu 2020

Answer:

The pressure of the gas will be increased to 450 kilo pascals.

Explanation:

Since the temperature is kept constant, the volume and pressure will be related by Boyle's Law.

According to the Boyle's Law, the product of pressure and volume of a gas remains constant provided that the temperature remains constant.

Mathematically this cab be expressed as:

[tex]P1V1 = P2V2[/tex]

Using the given values,

P1 = 300 kilo pascals

V1 =75 L

P2 = ?

V2 = 50 L

[tex]300 \times 75 = 50 \times P2\\ \\P2 = \frac{300 \times 75}{50}\\\\ P2= 450[/tex]

This means the pressure of the gas will be increased to 450 kilo pascals.

Shield volcanoes are typically tall and broad, with flat, rounded shapes. They typically have a 5°-10° slope, and are typically made by lava flowing at a low viscosity (lava flowing easily), and their broad profile is typically built with flow after flow of relatively basaltic lava issuing from vents or fissures on the surface.

I hope this helps, I got a bit confused on the composition part as well.

Shield volcanoes usually have a broad shape, gentle slope and a basaltic composition.

Shield volcanoes are very known for their expansive and gently sloping profiles which are predominantly composed of basaltic lava. Their distinctive form arises from the eruption of low-viscosity magma which flows easily across the landscape.

These volcanic giants do stretch across tens of kilometers in diameter, with their broad and shield-like appearance earning them their name. The effusive nature of their eruptions characterized by the steady release of lava, contributes to their gradual slopes.

Read more about Shield volcanoes

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1) A chemical change is used by scientists to create new substances, and a physical change happens naturally. A chemical change results in a new substance being formed; whereas, a physical change will result in a different state of matter.

Answer:

Chemical changes involve the formation of a new substance.

Explanation:

The main difference between chemical and physical changes is the fact that chemical changes involve the formation of a new substance. When a physical change occurs, this does not lead to bonds being broken or formed. The properties of the elements involve do not change. This includes changes such as changes of state. On the other hand, a chemical change is one in which bonds are broken or formed. Therefore, the elements that are present are turned into a new substance.

The heart and the circulatory system

ice takes about 32°F and iron takes eh maybe 2,797°F  

C) Infrared.

The wavelength of the "primary" (a.k.a. "peak") outgoing radiation from the earth depends on the surface temperature of the earth.

[tex]\displaystyle \lambda_\text{peak} = \frac{0.00289}{T}[/tex],

where

The average temperature on the earth is around 15 °C (around 60 °F.)

Convert to degrees Kelvins:

[tex]T = 15\;\textdegree\text{C} = (15 + 273.15)\;\text{K} = 288.15\;\text{K}[/tex].

Peak wavelength:

[tex]\displaystyle \lambda_\text{peak} = \frac{0.00289}{288.15} = 1.00\times 10^{-5} \;\text{m} = 1000\;\text{nm}[/tex].

What kind of electromagnetic radiation is that? Refer to a chart of the EM spectrum.

Radiations:

[tex]\lambda \approx 1000\;\text{nm}[/tex] is longer than the wavelength of visible light. The radiation is infrared (IR.)

mafic or intermediate

Descabezado Grande is a composite volcano primarily composed of intermediate andesite lava.

The volcano Descabezado Grande is characterized by a composite of various eruption styles, including low viscosity mafic magma and higher viscosity felsic lava, but it is most commonly composed of intermediate andesite lava. This composition places it within the category of composite volcanoes, also known as stratovolcanoes, which feature steep sides and are made of alternating layers of pyroclastic materials and lava flows. The composition of the magma is crucial for determining the volcano's eruptive behavior and landform shape, with intermediate magmas having properties that are in between those of mafic and felsic magmas. Descabezado Grande's magma, being primarily intermediate, indicates a mix of characteristics that contribute to its explosive eruption style and the formation of steep slopes.

Answer:

D~

Explanation:

Answer:

i mean, the answers in the question lol, its D

Explanation:

I just  took the test

Some stars are smaller than our sun.

Stars are not flat circles.

Stars ARE made of gas.

Star color IS related to temperature.

The shape of the star does not effect it's brightness.  Only the size.

Size and temperature effects a stars brightness so.

3, and 4

Have a good day

The statements accurately describe stars are stars are made of gas and star color is related to temperature.

Stars are the small shiny part of the universe. They are billions in number. They collectively form the galaxies along with gases and dust.

Only some stars have size smaller than the Sun. Stars are spherical but not flat circles.

Stars are majorly made of gas. Star color depends on the temperature.

The shape of the star does not effect the brightness. The size and temperature effects a stars brightness.

Learn more about stars.

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The sun is the original source of energy

because the plants feed from the sun and the animals eat the plants and then the animals eat the plant eating animals.

The original source of energy in a food web is the sun, captured by producers via photosynthesis and passed through the food chain to carnivores like cats, with energy loss in the form of heat at each step.

The original source of energy that transfers through a food web to meat-eating animals such as a cat is the sun. Energy from the sun is captured by producers, like plants, through photosynthesis, where it is converted into carbohydrate molecules. Herbivores, or plant-eating animals, consume the plants and absorb the stored energy. When carnivores, such as cats, prey on these herbivores, they receive the energy that originated from the photosynthetic plants. Eventually, decomposers participate in breaking down dead organisms and contribute to the nutrient cycle. Throughout this energy transfer process, some energy is inevitably lost as heat.

8. Picture B

Explanation:

There are 3 states of matter:

- Solid: in solids, atoms/molecules are bond together, so they are not free to move, they can just vibrate around their fixed positions. In solids, atoms/molecules are close and packed with each other

- Liquid: in liquids, atoms/molecules can move past each other, however there are still intermolecular forces that keep them close to each other

- Gas: in gases, atoms/molecules are totally free to move far from each other

In this case, atoms in the gas of a neon sign are represented by picture B, since there the atoms are very far from each other and free to move.

9. Picture C.

Explanation:

the picture that best represents a rock is picture C: in fact, we see that in picture C atoms are packed and close to each other, since it is a solid and atoms are bond to each other. So, picture C represents a solid, therefore it is the picture that best represents a rock.

Cosmic microwave background radiation

I think the answer is B.

Hope this helps.

Pretty sure b I hope this helps

~~~~~~MK

The faster the particles are moving, the more energy they have. Temperature is the average amount of energy of motion of each particle of a substance. That is, temperature is a measure of how hot or cold a substance is. In contrast, the total energy of motion in the particles of a substance is called thermal energy.

The total energy of all the particles in a substance is called the internal energy (U) or symbolized as E. It is the sum of the kinetic energies and potential energies of the system's constituent particles.

The total energy of all the particles within a substance is referred to as the internal energy, often denoted as U or E. This internal energy encompasses both kinetic and potential energy, and it plays a crucial role in understanding the behavior and properties of substances.

1. Kinetic Energy: This component of internal energy is attributed to the motion of the particles within the substance. It includes various forms of motion, such as translational (linear motion), vibrational (vibrational motion of atoms or molecules within a structure), and rotational (rotational motion of molecules). The kinetic energy is directly related to the temperature of the substance, as an increase in temperature leads to higher kinetic energy of the particles.

2. Potential Energy: The potential energy component arises from the relative positions of particles within the substance, their interactions, and the conditions of the system. This can encompass various forms of potential energy, such as chemical potential energy (related to chemical bonds and reactions) and intermolecular potential energy (associated with attractive and repulsive forces between particles). Changes in potential energy can result from changes in the arrangement or composition of particles.

Together, these components contribute to the overall internal energy of the system, influencing its thermodynamic properties and behavior. Understanding the interplay between kinetic and potential energy is fundamental in fields like thermodynamics and chemistry, as it helps elucidate the physical and chemical transformations of substances.

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If an experiment is replicsble it means that anybody can repeat the experiment and get the same results. It is important that experiments be replicable because if someone else can't repeat what you did, you might have made a mistake. Peer review is what scientists use.

hope this helps

A replicable experiment can be repeated under the same conditions to provide similar results. This is crucial in the scientific method as it ensures reliability of results, allows for verification of the findings, and helps weed out false claims. The inability to replicate an experiment often leads to questioning the credibility of the initial study.

When an experiment is replicable, it means the experiment can be repeated by others under the same conditions and produce the same or very similar results. This ability to reproduce results is one of the essential features of the scientific method, which is used in various fields of academic research, including physics, chemistry, biology, and psychology.

Replicability is essential for several reasons. First, it ensures the reliability of results. Results that are repeated in independent replications are considered more reliable because they have been tested and verified multiple times. Second, replication allows other researchers to check for any mistakes in the original study. Third, successful replications of research provide more evidence to support the original findings, leading to a wider acceptance of the results within the scientific community.

Conversely, if subsequent studies cannot replicate the findings, it may call the credibility of the original research into question.

Through this rigorous process of repeated testing, scientific knowledge advances as false claims are weeded out and factual information is reinforced.

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Hello =D

This problem is about cinematic

So

V = 45 mi/h

t = 2 h

Then

V= X/t

X = V*t

Then

X = (45)*(2)

X = 90 mi

Best regards

it's C) stay in business

Answer:

The answer is C

Explanation:

Reorganization, permits debtors to stay in business.

I think the answer is B...

If an object is traveling with a constant velocity, there is no net force on the object.

If an object is traveling with a constant velocity, it means the object is moving in a straight line with a constant speed. In this case, the correct ending for the sentence is B. There is no net force on the object. This is because an object moving with a constant velocity experiences balanced forces, where the forces in all directions cancel each other out. Therefore, the object continues to move with the same velocity.

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