What causes a magnetic field to form around certain metals, such as iron?

1 answer:

7 0

Option B. The majority of the domains are aligned.

Magnetic domains is a theory that explains the magnetization in ferromagnetic materials.

Magnetic domains are regions inside a magnetic material in which the magnetic moments of the atoms are parallel, have the same direction. Different magnetic domains have different directions but when the directions of most magnetic domains point in the same direction then the magnetization occurs.

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A greyhound's velocity changes from rest to 19 m/s in 2 seconds. What is the greyhound's average acceleration?

Andrew [12]

It should be b)9.5m/s2

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3 years ago

A 4.33 kg cat has 41.7 J of KE How fast is the cat moving?

balandron [24]

Answer:

The answer to your question is:

Explanation:

Data

mass = 4.33 kg

E = 41.7 J

v = ?

Formula

Ke = (1/2)mv²

Clear v from the equation

v = √2ke/m

Substitution

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3 years ago

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4 years ago

Read 2 more answers

Will mark as brainliest if correct!!!!!

irakobra [83]

Refraction refers to C. the bending of light rays when they pass from one medium into another

Explanation:

Refraction is a phenomenon typical of wave. Refraction occurs when a wave travels through the boundary between two different mediums. When this occurs, the wave changes speed, wavelength and direction (but the frequency remains the same).

In particular, the direction of the refracted ray is determined by Snell's Law:

$n_1 sin \theta_1 = n_2 sin \theta_2$