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schepotkina [342]
3 years ago
15

The desert and tundra are alike because they both have

Physics
2 answers:
muminat3 years ago
8 0
A) extreme daily temperature changes



if im wrong plz let me know
Rashid [163]3 years ago
5 0
Your answer is A extreme weather changes they both have weather that is life treating if under the wrong circumstance.

Your answer is A.
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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°

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Normal stress б = force/area = P/A

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           =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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This is how Newton's second law of motion is verified.

6 0
3 years ago
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