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yarga [219]
3 years ago
6

Hey guys I need help please help me what do y’all think it is I need help And I’m struggling

Physics
2 answers:
Dahasolnce [82]3 years ago
7 0
Solar Energy, yeah thats it
Bad White [126]3 years ago
4 0
................Solar
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What is the ratio of thicknesses of crown glass and water that would contain the same number of wavelengths of light?
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Answer:

the thickness of the glass divided by thickness of water is going to be 1.333 divided by 1.52, which is 0.877. So, the height of this glass, in order to have the same number of wavelengths as in water, the height of the glass will be 0.877 times the height of the water, and so it will be smaller.

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A pump, submerged at the bottom of a well that is 35 m deep, is used to pump water uphill to a house that is 50 m above the top
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2. A person began running due east and covered 15 kilometers in 2.0 hours. What is the average velocity of the person?
Angelina_Jolie [31]

Answer:

7.5 km/h (2.1 m/s) due east

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The average velocity of the person is given by:

v=\frac{d}{t}

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v=\frac{15 km}{2.0 h}=7.5 km/h

and the direction is the same as the displacement (east).

We can also convert the velocity into SI units (m/s). We have:

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That seems like a statement more than a question. Where's the question?
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