Suppose your waffle iron is rated 1.00 kW when connected to a1.2x102 V source. A) what current does thewaffle iron carry? B0 what is its resistance?

Answers

Answer 1

The waffle iron carries a current of 8.33 A when connected to a 1.2 x 102 V source. The resistance of the waffle iron is 14.4 Ω when connected to a 1.2x102 V source.

To solve this problem, we can use the formula P=IV, where P is power, I is current, and V is voltage. We can rearrange this formula to solve for the current:

I = P/V

A) The power rating of the waffle iron is 1.00 kW, which is equivalent to 1000 watts. The voltage is 1.2x102 V. Plugging these values into the formula, we get:

I = 1000/1.2 x 102

I = 8.33 A

Therefore, the waffle iron carries a current of 8.33 A when connected to a 1.2 x 102 V source.

B) To find the resistance, we can use Ohm's law, which states that resistance (R) is equal to the voltage (V) divided by current (I):

R = V/I

Plugging in the values we found in part A, we get:

R = 1.2x102/8.33

R = 14.4 Ω

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Related Questions

an electrical arc blast can approach _____, which vaporizes metal parts and produces an explosive and deadly pressure wave.

Answers

An electrical arc blast can approach temperatures of 35,000°F (19,426°C), which vaporizes metal parts and produces an explosive and deadly pressure wave.

An electrical fault with a high fault current or an electric arc fault can result in an explosive release of energy known as an electric arc blast. It's a dangerous situation that could seriously harm nearby equipment and endanger people's safety. The quick release of high-pressure gases, great heat, and intense light that occur during an electric arc blast cause an explosive explosion-like phenomena. The blast may cause the air around it to rapidly expand, creating a shockwave and launching debris into the air.

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if a magnetic field cannot increase a particles velcotiy how do particle accelerators using electromagntic fields work

Answers

Particle accelerators use electromagnetic fields to accelerate particles by exerting a force on them.

The magnetic field alone cannot increase a particle's velocity, but when combined with an electric field, it can

accelerate charged particles. This is because the magnetic field causes the particles to move in a circular path, while

the electric field provides the necessary energy to increase the speed of the particles as they move along this path.

Therefore, the electromagnetic field works by combining the effects of both the electric and magnetic fields to

accelerate particles in a controlled manner.

Particle accelerators work by utilizing both electric and magnetic fields to increase the energy of charged particles.

While it's true that magnetic fields alone cannot increase the velocity of a particle, they play an essential role in

controlling the particle's trajectory. On the other hand, electric fields are responsible for increasing the velocity of

charged particles.


Here's a step-by-step explanation of how particle accelerators work using electromagnetic fields:

1. Charged particles are introduced into the accelerator.

2. Electric fields provide the necessary force to accelerate the particles, increasing their velocity.

3. Magnetic fields guide and steer the particles along the desired path or into circular orbits.

4. As particles move through alternating electric fields, they continue to gain energy and increase their velocity.

5. When particles reach the desired energy level, they can be directed toward a target or collision point for experiments.

In summary, particle accelerators use electromagnetic fields to control and increase the velocity of charged particles. Electric fields accelerate the particles, while magnetic fields guide their trajectory.

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A block is hung by two ropes angled at 30º and 60º respectively. What is the ratio of the tension in the second rope to the tension in the first rope?

Answers

The ratio between 30° and 60° is 1:2

What mass of lead has the same volume as 1600kg of petrol?

Answers

Answer:

The volume of 1600 kg of petrol is 1600/800 = 2 m^3. As the density of lead is 11400 kg/m^3, the mass of 2 m^3 is 11400*2 = 22800 kg. The mass of lead with the same volume as 1600 kg of petrol is 22800 kg.

Which planetary body has the fastest orbit, and which has the slowest orbit? Do you notice a general pattern here? Briefly explain a relationship between orbital velocity and orbital radius.

Answers

The planetary body with the fastest orbit is Mercury, and the one with the slowest orbit is Neptune.

There is a general pattern between orbital velocity and orbital radius known as Kepler's second law of planetary motion. According to this law, a planet sweeps out equal areas in equal times as it orbits the Sun. This implies that planets closer to the Sun have smaller orbital radii and must travel faster to cover the same area in the same amount of time.

The relationship between orbital velocity and orbital radius can be expressed as v ∝ 1/r, where v represents the orbital velocity and r denotes the orbital radius. This relationship shows that as the orbital radius increases, the orbital velocity decreases. In other words, planets farther from the Sun have slower orbital velocities compared to those closer to the Sun.

This pattern is consistent with observations in our solar system. The inner planets, such as Mercury, have smaller orbital radii and faster orbital velocities, while the outer planets, like Neptune, have larger orbital radii and slower orbital velocities.

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an old streetcar rounds a flat corner of radius 8.0 m, at 13 km/h. what angle with the vertical will be made by the loosely hanging hand straps?

Answers

Angle with the vertical will be made by the loosely hanging hand straps is 13 degrees.

A string attached to an object can also exert a force but only if the string is pulled taut, and only in the direction of the string. This force is called tension.

We usually make the approximation that the string is massless and unstretchable, so we don’t need to worry about it sagging in the middle or about its length changing, our strings which we consider in questions are also usually unbreakable.

The force transmitted through a string, rope, cable, or wire that is pulled tight. The rope pulls with a tension force on both objects.

For examples, A box hangs from the ceiling by a cable. The cable exerts an upward tension force on the box. A dog is pulled by a dog chain. The chain exerts a force upon the dog.

Given,

V=13km/h = 4.4 m/s

TsinФ = mv^2/R------(1)

TcosФ = mg-------(2)

Divide (1) by (2)

tanФ = v^2/Rg

Ф = tan ^-1(4.4*4.4)/8.50*9.80

Ф = 13 degrees.

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What is the acceleration of a boat that takes 25 seconds to go from 5 miles per hour to 15 miles per hour

What is the acceleration of a boat that takes 25 seconds to go from 5 miles per hour to 15 miles per

Answers

Answer:

It should be 75 seconds

Explanation:

Because if it takes 25 seconds from 0 to 5 just multiply by 3

Which of these can spread a pathogen?

Answers

Where is the image? Because I dnt see anything

Answer:

there is no image to go off of. If you could share that I would be happy to help.

Explanation:

Please share the image!

if the force of friction opposing the motion is 18 n, what force f (in n) is the person exerting on the mower? (enter the magnitude.)

Answers

The force f (in n) the person is exerting on the mower is 18 n.

The force of friction opposing the motion refers to the force that acts in the opposite direction to the motion of an object and makes it harder to move.

According to the given statement, the force of friction opposing the motion is equal to the force f (in N) the person is exerting on the mower.

This indicates that the person's pushing force must be equal to the force of friction opposing the motion for the mower to move at a constant speed.

Using the above information, we can calculate the force f (in N) that the person is exerting on the mower as 18 n since it is equal to the force of friction opposing the motion.

Therefore, the person must push with a force f (in N) of 18 n to overcome the friction and maintain a constant speed for the mower.

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What would happen if the gravitational force between the moon suddenly disappeared?

Answers

So many thinks the water wouldnt have as many waves it could result in no season and even an ice age. Nights would be darker. In result in the tides changing animals will be confused, some species rely on the tides for food and shelter. So without that it would cause a chain of mass extinction.

four hydrogen nuclei fuse to form a helium nucleus. why, then, does a helium nucleus have less mass than four protons?

Answers

A helium nucleus has less mass than four protons because during the fusion process, some mass is converted into energy, following Einstein's famous equation, E=mc². This energy release, known as binding energy, is responsible for holding the helium nucleus together.

So, when four hydrogen nuclei (protons) fuse to form a helium nucleus, a small amount of mass is lost and converted into binding energy, resulting in a helium nucleus with slightly less mass than the initial four protons.

The fusion of four hydrogen nuclei to form a helium nucleus releases a tremendous amount of energy, which is carried away by particles such as photons and neutrinos. This energy is converted into mass according to Einstein's famous equation E=mc^2. Therefore, the mass of the helium nucleus is actually slightly less than the combined mass of its four constituent protons because some of the mass has been converted into energy during the fusion process. This is known as mass defect, and it is a fundamental principle of nuclear physics.

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Why does the emission of an alpha particle always result in transmutation?

Answers

The alpha particles are capable of alternating the mass and atomic numbers in the atoms which is responsible for transmutation. This occurs in nuclear reacting.

Transmutation occurs in any process where the no. of protons or neutrons in the atom are changed. Transmutation occurs when conversion of one element occurs into others. There are three kinds of radiations gamma, beta, and alpha. Both beta and alpha are capable of transmutation as they are capable of changes in the atomic and mass numbers.

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In Problem 6, what is the acceleration of the electron? (Recall, F=ma. The mass of an electron is 9.11.103 kg. The answer will be a large number.)

Answers

Answer:

Explanation:

And the condition of problem N 6 ???

Give three examples of situations where you want as little energy as possible to be dissipated.

Answers

Answer:

Light energy, Sound energy, and Heat energy

Explanation:

Heat energy is the most easily dissipated form of energy. Light energy is frequently energy seen in combustion, and is a type of wave motion. Sound energy is another type of wave motion caused by the vibration of molecules in the air. Like heat energy, sound is a type of energy that is generally lost.

1) The surface of the Earth is mostly covered by? *

A) Solid Rock
B) Molten Rock
C) Ice
D) Storm dense gases

Answers

Answer is c hope this helps

The vast majority of the surface of the Earth is composed of solid rock. Thus, the correct option is (A).

What is a rock that is solid?

A mineral is an inorganic compound that has a crystal structure and chemical make-up that can be described in great detail. Minerals are the building blocks that make up solid rocks, which are things that occur naturally. Rocks are composite materials that are made up of two or more different minerals and can vary greatly in terms of their appearance, texture, and chemical make-up. Rocks can be classified as either sedimentary or igneous in nature.

These are the fundamental elements that go into the formation of the Earth's crust and account for the vast bulk of the solid surface area of the planet. Rocks are essential components in the building and manufacturing industries, as well as in scientific research. As a result, option (A) is correct.

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A carousel revolves around 9.3 times in 4.3 minutes. What is the frequency of the carousel
in hertz?

Answers

Answer:

(9.4 times / 8.5 minutes) x (1 minute / 60 seconds)

= (9.4) / (8.5 x 60) times/second

= 0.013 Hz .

10. If a plane travels north for 2.5 hours at a velocity of 150 km/hr what distance did it travel?

Answers

Answer:

375 km

Explanation:

Using the equation, d = vt, we simply plug in the numbers:

v = 150 km/hr

t = 2.5 h

d = (150 km/hr)*(2.5 h)

d = 375 km

which physical method of controlling microbial growth applies pressure to water to create steam?

Answers

The physical method of controlling microbial growth that applies pressure to water to create steam is called "autoclaving" or "sterilization by autoclave."

Autoclaving is a widely used method for sterilization in various industries, including healthcare, laboratories, and food processing. It involves subjecting materials or objects to high-pressure saturated steam at elevated temperatures. The combination of pressure and heat effectively kills microorganisms, including bacteria, viruses, fungi, and spores.

Autoclaves consist of a sealed chamber that can withstand high pressures, along with a source of heat and a means to generate steam. The process involves placing the items to be sterilized inside the autoclave chamber and then raising the temperature and pressure to the desired levels. The high-pressure steam penetrates the materials and destroys the microorganisms present, ensuring effective sterilization.

The typical conditions for autoclaving include temperatures ranging from 121 to 134 degrees Celsius (250 to 273 degrees Fahrenheit) and pressures between 15 and 30 pounds per square inch (psi). These conditions are maintained for a specified period, usually around 15 to 30 minutes, depending on the size and nature of the items being sterilized.

Autoclaving is advantageous because it provides a reliable and efficient method for achieving sterility. It can be used to sterilize a wide range of materials, including laboratory glassware, surgical instruments, medical equipment, media and solutions, textiles, and more. The high temperatures and pressure ensure thorough sterilization, and the process is relatively quick compared to other methods.

However, it is important to note that not all materials can be autoclaved, as some may be sensitive to heat or moisture. Additionally, certain biological substances, such as certain types of infectious waste or toxins, may require specialized treatment beyond autoclaving.

Overall, autoclaving is a highly effective method for controlling microbial growth by applying pressure to water to create steam. Its widespread use in various industries is a testament to its reliability and efficiency in achieving sterilization.

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What would be the net force on an object if the object's acceleration is 0?

Answers

Answer:

Explain. yes it is possible because when the net force is zero and acceleration is zero. ... no, Neglecting air friction, the only force acting on this object is the force of gravity downward. There is no force of equal magnitude as the force of gravity acting in the opposite direction.

Hai xe chuyển động trên cùng một đoạn đường , khi xe (1) ở A thì xe (2) ở B phía trước với AB=5km . Xe (1) đuổi theo xe (2) . Tại C cách B một đoạn BC=10km thì xe (1) đuổi kịp xe (2) . Tìm tỉ số vận tốc của hai xe

Answers

Answer:

b

Explanation:

because it shows you it

Question 17 of 26
When an object is raised vertically, work is done against
What one word completes the sentence?

Answers

Answer:

The one word would be gravitational force.

Answer:

When an object is raised vertically ,work is done against gravity.

Write two conversion factors for the following unit equalities. The first example hasbeen completed for you.b. 1 mile = 1.61 kilometerc. 4 cups = 1 quart

Answers

Take into account that any conversion factor can be written as a fraction in which you have the equivalence in the numerator and denominator.

b. 1 mile = 1.61 kilometer

By using the abbreviated form mi as mile and km as kiometer, you can write:

\(\frac{1mi}{1.61\operatorname{km}},\frac{1.61\operatorname{km}}{1mi}\)

c. 4 cups = 1 quart

\(\frac{4\text{cups}}{1qt},\frac{1qt}{4\text{cups}}\)

Physical systems that serve as framework for city growth are called __________.
A.
commuters
B.
gridlocks
C.
infrastructure
D.
freeways

Please select the best answer from the choices provided.

A
B
C
D

Answers

I believe the answer is C.infrastructure

Answer:

C

Explanation:

a charged particle is immersed in a uniform magnetic field coming out of the page and is moving along a circular path in the counter-clockwise direction. what is the charge of the particle in this situation?

Answers

The charge of the particle in this situation is positive. When a charged particle is immersed in a uniform magnetic field, it experiences a force known as the Lorentz force, which is given by the equation:

F = q(v × B)

Where F is the Lorentz force, q is the charge of the particle, v is the velocity of the particle, and B is the magnetic field.

In this case, the particle is moving along a circular path in the counter-clockwise direction, which means that the force acting on the particle is directed towards the center of the circle. This force is known as the centripetal force, and it is given by the equation:

F = mv^2/r

Where m is the mass of the particle, v is the velocity of the particle, and r is the radius of the circle.

Since the Lorentz force and the centripetal force are equal in magnitude and opposite in direction, we can equate the two equations to get:

q(v × B) = mv^2/r

Rearranging the equation and solving for q gives:

q = mv^2/(rB)

Since the particle is moving in the counter-clockwise direction, the velocity vector v is directed tangentially to the circle, and the magnetic field vector B is directed out of the page. The cross product of these two vectors is directed towards the center of the circle, which means that the charge of the particle must be positive in order for the Lorentz force to be directed towards the center of the circle.

Therefore, the charge of the particle in this situation is positive.

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Match the characteristics with the states of matter. does not have a definite shape or volume has definite volume but does not have a definite shape has a definite shape and volume changes to liquid on heating changes to liquid on cooling changes to solid on cooling

Answers

Answer:

does not have a definite shape or volume=gas

has a definite volume but has no shape=liquid

has a definite shape and volume=solid

changes to liquid on heating=melting

changes to solid on cooling=freezes

changes to liquid on cooling=condensation

a cheetah running at a velocity of 18 m/s accelerates 1 m/s2 for 5 sec. what is the final velocity of the cheetah?

Answers

The final velocity of the cheetah is 23 m/s.

How is velocity and accleration related?

Acceleration, then, is the alteration in that velocity. As you maintain or increase speed, acceleration moves in the same direction as velocity. The direction of velocity is in this. While you are retaining or gaining speed, you are accelerating in this direction. An object is accelerating if its velocity is changing, whether by a fixed amount or a variable quantity. Additionally, an item moving at a constant speed is not accelerating. The rate at which velocity varies is known as acceleration. In other words, accelerating. Increasingly, decreasingly, and in a different direction.

A vectorial quantity with both magnitude (speed) and direction is velocity. I can answer your question by using the example of uniform circular motion. In this example, the speed is constant, but the direction is constantly shifting.

Given u = 18m/s

a = 1 m/s^2

t = 5 sec

v = final velocity

We know that according to equation of motion

v = u + at

v = 18 + 1 x 5 = 18 + 5 = 23 m/s

Th final velocity of cheetah is 23m/s.

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Explain how you might use the concept of beat frequency to tune a musical instrument using tuning forks. Would this method work better for an instrument that is slightly out of tune or an instrument that is completely out of tune?

Answers

Beat frequency is the difference between the frequencies of two sound waves. In the context of tuning musical instruments using tuning forks, beat frequency can be used to determine whether two notes played together are in tune or not.

To use beat frequency for tuning, you would start by striking a reference tuning fork with a known frequency and then strike the tuning fork of the instrument you want to tune. If the two forks are perfectly in tune, no beat frequency will be heard because their frequencies match exactly.

However, if the instrument's tuning fork is slightly out of tune, a beat frequency will be audible. The beat frequency arises from the interference between the two sound waves with slightly different frequencies. The speed of beats can be used to estimate the amount of detuning.

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22. An investigation of the relationship between the independent and dependent variables
in a scientific process is known as a(n)
a. theory
b. scientific law
C. experiment
d. model

Answers

Answer:

c. experiments

Explanation:

.......

which of the following objects has no net force acting upon it

which of the following objects has no net force acting upon it

Answers

Answer:

D and object with constant velocity

Why does a basketball thrown in the air come back to the ground after a
few seconds?

Answers

Answer:

gravity would pull the ball towards the center of the earth

Answer:

Hope it helps

Explanation:

This is because the force of earth's gravitational field is always directed downwards (towards the center of the earth. ... When the ball is thrown up, it is going against the earth's gravitational field and so, the earth's gravitational force pulls it back down, accelerating it downwards.

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