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telo118 [61]
3 years ago
15

Why does the pattern of colors repeat in a thin soap film? Please use 2 content related sentences. Need to refer to constructive

interference and half wavelength intervals.
Physics
1 answer:
Naya [18.7K]3 years ago
6 0

Answer:

A colorful interference pattern is observed when light is reflected from the top and bottom boundaries of a thin oil film. The different bands form as the film's thickness diminishes from a central runoff-point. ... So one set of light rays shine into a soap bubble, but two sets of rays come back out again.

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A man with mass 82 kg runs at a speed of 2.8 ms How much kinetic energy does he have?? A.114.8 B.221.8 C.321.4 D.642.9
Delvig [45]
Use the formula for kinetic energy.
KE=1/2mv^2
KE=1/2*(82kg)*(2.8m/s)^2
KE=321.4 J
The answer is C
3 0
3 years ago
Need help ASAP please helppp
Setler [38]

Answer:

2.3 newtons of force

Explanation:

Divide the weight by the speed of the bike

4 0
3 years ago
How does electricity flow?
svp [43]
An electric current is said to exist when there is a net flow of electric charge through a region. In electric circuits this charge is often carried by electrons moving through a wire. It can also be carried by ions in an electrolyte, or by both ions and electrons such as in an ionized gas (plasma).
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4 years ago
Learning Task 3: Read the characteristics of mixtures given in the second column. Identify if it is homogeneous or heterogeneous
madreJ [45]

1. Components can be separated by physical means  [heterogenous]

2. The additive component is so<em> </em>finely dispersed in the main ingredient   such that it can't be seen  [homogenous]

3. Particles are uniformly distributed  [homogenous]

4. The substances are identified in<em> </em>different phases  [heterogenous]

5. Particles are<em> </em>non-uniformly distributed  [heterogenous]

A homogenous mixture is a type of mixture in which the composition is uniform throughout the mixture.

Characteristics of a homogenous mixture:

  • the mixture is uniform
  • the composition is the same
  • it consists of one phase

A  heterogenous mixture is a type of mixture in which the composition of the mixture is not uniform

Characteristics of heterogenous mixture include;

  • it contains two or more ingredients or phases.
  • different phases mixed together, which are physically separated  
  • samples obtained from different parts of the mixture may have a different composition

In the given characteristics of the mixture  in the question we can classify them as follows;

1. Components can be<u> separated by physical mean</u>s --heterogenous

2. The additive component is so<em> </em><u>finely dispersed </u>in the main ingredient   such that it can't be seen --- homogenous

3. Particles are<u> uniformly distributed </u>---- homogenous

4. The substances are identified in<em> </em><u>different phases</u> ---- heterogenous

5. Particles are<em> </em><u>non-uniformly distributed </u>---- heterogenous

Learn more here: brainly.com/question/18224061

6 0
3 years ago
PLEASE HELP AND HURRY
julsineya [31]
It would be D. Equal to zero
3 0
3 years ago
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