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bija089 [108]
3 years ago
8

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner.  He uses the new cleaner on one

half of the shower tiles and his old cleaner on the other half.  Identify the independent and dependent variables in this experiment.
Physics
1 answer:
NikAS [45]3 years ago
5 0
The Independent  Variable= Type of cleaner he is using.
<span>The Dependent  Variable = the results, which one worked better.</span>
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Answer:

 λ = 3 10⁻⁷ m,   UV laser

Explanation:

The diffraction phenomenon is described by the expression

         a sin θ = m λ

let's use trigonometry

         tan θ = y / L

as in this phenomenon the angles are small

        tan θ = \frac{sin \ \theta}{cos \ \theta} = sin θ

        sin θ = y / L

we substitute

      a y / L = m  λ

let's apply this equation to the initial data

       a  0.04 / L = 1 600 10⁻⁹

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now they tell us that we change the laser and we have y = 0.04 m for m = 2

      a 0.04 / L = 2  λ

       a / L = 50  λ

we solve the two expression is

         1.5 10⁻⁵ = 50  λ

          λ = 1.5 10⁻⁵ / 50

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2 years ago
According to the what the universe's total amount of energy does not change
RideAnS [48]
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Answer:

The answer  is The acceleration is double its original value.

Explanation:

<h2><u>It is because of the second trial of accelaration. Because of this, an object's acceleration doubles from its original value.</u></h2><h2><u></u></h2>

Hope this helps....

Have a nice day!!!!

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