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2 years ago

What does Enter key do?

Engineering

1 answer:

IRISSAK [1]2 years ago

3 0

Answer:

See below

Explanation:

Enter-key also called the "Return key," it is the keyboard key that is pressed to signal the computer to input the line of data or the command that has just been typed.It Was the Return KeyThe Enter key was originally the "Return key" on a typewriter, which caused the carriage to return to the beginning of the next line on the paper. In a word processing or text editing application, pressing Enter ends a paragraph. A character code for return/end-of-line, which is different in Windows than it is in the Mac, Linux or Unix, is inserted into the text at that point.

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An aluminium alloy bar of diameter 12.5 mm and length 27 m loaded in uniaxial tension to a force of 3 kN. Determine the length o

KonstantinChe [14]

Answer:

27009.56 mm

Explanation:

Given:

Diameter of the aluminium alloy bar, d = 12.5 mm

Length of the bar, L = 27 m = 27 × 10³ mm

Tensile force, P = 3 KN = 3 × 10³ N

Elastic modulus of the bar, E = 69 GPa = 69 × 10³ N/mm²

Now,

for the uniaxial loading, the elongation or the change in length (δ) due to the applied load is given as:

$\delta=\frac{PL}{AE}$

where, A is the area of the cross-section

$A=\frac{\pi d^2}{4}$

$A=\frac{\pi\times12.5^2}{4}$

A = 122.718 mm²

on substituting the respective values in the formula, we get

$\delta=\frac{3\times10^3\times27\times10^3}{122.718\times69\times10^3}$

δ = 9.56 mm

Hence, the length after the force is applied = L + δ = 27000 + 9.56

= 27009.56 mm

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nydimaria [60]

Answer:

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Explanation:

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Explanation:

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Yuliya22 [10]

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Explanation:

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