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Sergeeva-Olga [200]
3 years ago
10

A pycnocline is a boundary between changing regions of which of the following properties? What about a thermocline?

Physics
2 answers:
seropon [69]3 years ago
5 0
The answer is <span>temperature, salinity
Hope this helps. :)</span>
kotegsom [21]3 years ago
4 0

Answer:

temperature, salinity

Explanation:

In oceanography, pycnocline is the layer of the water column where a rapid change in vertical density gradient occurs. This increase in density with increasing depth is generally more intense in low latitude regions, as at high latitudes the density has little variation with depth. The term pycnocline is analogous to the terms halocline (intense vertical salinity gradient) and thermocline (intense vertical temperature gradient). Generally the three features occur at the same depths, typically between 300 and 1000 m below the ocean surface. Pycnocline is the result of the combination of thermocline and halocline, as temperature and salinity influence the density of seawater. The relationship between these three factors (temperature, salinity and density) conditions the distribution of water bodies in the ocean.

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A steel pipe of 12-in. outer diameter is fabricated from 1 4 -in.-thick plate by welding along a helix that forms an angle of 25
Varvara68 [4.7K]

Answer:

Normal stress = 66/62.84 = 1.05kips/in²

shearing stress  = T/2 = 0.952/2 = 0.476 kips/in²

Explanation:

A steel pipe of 12-in. outer diameter  d₂ =12in  d₁= 12 -4in = 8in

4 -in.-thick  

angle of 25°

Axial force P = 66 kip axial force

determine the normal and shearing stresses

Normal stress б = force/area = P/A

           = 66/ (П* (d₂²-d₁²)/4

           =66/ (3.142* (12²-8²)/4

          = 66/62.84 = 1.05kips/in²

Tangential stress T = force* cos ∅/area = P/A

           = 66* cos 25/ (П* (d₂²-d₁²)/4

           =59.82/ (3.142* (12²-8²)/4

          = 59.82/62.84 = 0.952kips/in²

shearing stress  = tangential stress /2

                           = T/2 = 0.952/2 = 0.476 kips/in²

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3 years ago
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The energy consumed by a home during a month is 90 kWh, how many Joules are we talking about? a good explanation please is for t
andreev551 [17]

Answer:

3.24×10⁸ J, or 324 MJ

Explanation:

"kWh" is a kilowatt-hour.  It's the energy used by 1 kilowatt of power after one hour.

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