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Annette [7]
3 years ago
14

WILL GIVE BRAINLIEST AND 50 POINTS!

Physics
2 answers:
Valentin [98]3 years ago
7 0

Answer:

B. The theory provides an image that humans can visualize, but it does not fully represent how electrons exist.

Explanation:

The electron cloud theory states that the electronic cloud forms a kind of unique electrosphere among all the atoms grouped in the reticulum, so that the electrons can move freely and end up stabilizing these atoms. According to such a theory, then, the free electron cloud (also called the electron sea or electron gas) works with a metallic bond, establishing the union between the metal atoms.

This proposed electronic cloud model explains some properties inherent to metals. However, it presents a limitation that an electron law would not have, because the theory provides an image that humans can visualize, but it does not fully represent how electrons exist.

anygoal [31]3 years ago
4 0
The answer would be B because humans cannot see electrons so we visualize the electrons due to the theory
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As compared to the asthenosphere, the lithosphere is ____________. a. hotter and more able to flow b. hotter and less able to fl
Mnenie [13.5K]

Answer:

its a solid but can flow

Explanation:

those answers to choose from are wrong

8 0
2 years ago
Describe 3 uses of radioactive isotopes
pantera1 [17]
Cancer treatments, Radiography, food irradiation
8 0
2 years ago
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Doe anyone get this ​
8_murik_8 [283]

Answer:

we know a = F/ M

Explanation:

  • 2 m/s²
  • 0.19 m/s²
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4 0
3 years ago
If the index of refraction of water is 1.33, calculate the speed of light in water.
astra-53 [7]

Answer:

The correct option is;

2.26 × 10⁸

Explanation:

The index of refraction, in a medium, n = The speed of light in air/(The speed of light in the medium)

The speed of light = 299792458 m/s

Given that the index of refraction of water = 1.33, we have;

1.33 = 299792458/(The speed of light in water)

The speed of light in water = 299792458/1.33 = 225407863.58 m/s ≈ 2.26 × 10⁸ m/s

The speed of light in water ≈ 2.26 × 10⁸ m/s

Therefore;

v ≈ 2.26 × 10⁸ m/s.

6 0
3 years ago
A 0.40-kg cart with charge 4.0 x 10-5 C starts at rest on a horizontal frictionless surface 0.50 m from a fixed object with char
maw [93]

Answer:

26.82m/s

Explanation:

Given

Mass = m= 0.4kg

Initial Velocity = u = 0

Charge = 4.0E-5C

Distance= d = 0.5m

Object Charge = 2E-4C

First, we'll calculate the initial energy (E)

E = Potential Energy

PE = kQq / d

Where k = coulomb constant = 8.99E9Nm²/C²

Energy is then calculated by;

PE = 8.99E9 * 4E-5 * 2E-4 / 0.5

PE = 143.84J

Energy = Potential Energy = Kinetic Energy

K.E = ½mv² = 143.84J

½mv² = ½ * 0.40 * v² = 143.85

0.2v² = 143.85

v² = 143.85/0.2

v² = 719.25

v = √719.25

v = 26.81883666380777

v = 26.82m/s

Hence, the object is 26.82m/s fast when the cart moving is very far (infinity) from the fixed charge

4 0
4 years ago
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