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anastassius [24]
2 years ago
11

How old are legos? Who created them? Why did they create them?

Engineering
1 answer:
Sunny_sXe [5.5K]2 years ago
4 0
“How old are the legos” 89 years old.


“Who created them?” Ole Kirk Christiansen.


“Why did they created them?” As a you man, Christiansen turned his love of whittling and playing with wood into a Business and, in 1916, he opened his own shop. Since times were so hard, Christiansen made the hard decision to use his wood to create inexpensive goods that might actually sell. Among them were Cheap toys.





Hope this helps•


Bye~



•Kate•
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2 years ago
A cylinder with a 6.0 in. diameter and 12.0 in. length is put under a compres-sive load of 150 kips. The modulus of elasticity f
jeka94

Answer:

Final Length = 11.992 in

Final Diameter = 6.001 in

Explanation:

First we calculate the cross-sectional area:

Area = A = πr² = π(3 in)² = 28.3 in²

Now, we calculate the stress:

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Stress = - 150 kips/28.3 in²

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Now,

Modulus of Elasticity = Stress/Longitudinal Strain

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but,

Longitudinal Strain = (Final Length - Initial Length)/Initial Length

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Final Length = (-6.63 x 10⁻⁴)(12 in) + 12 in

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we know that:

Poisson's Ratio = - Lateral Strain/Longitudinal Strain

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Lateral Strain = (0.35)(6.63 x 10⁻⁴)

Lateral Strain = 2.32 x 10⁻⁴

but,

Lateral Strain = (Final Diameter - Initial Diameter)/Initial Diameter

2.32 x 10⁻⁴ = (Final Diameter - 6 in)/6 in

Final Diameter = (2.32 x 10⁻⁴)(6 in) + 6 in

<u>Final Diameter = 6.001 in</u>

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The person that is correct as regards statement made about stoichiometric ratio is; <em><u>Tech B</u></em>

In air-fuel mixture, when there is a mix air and fuel in the ideal amounts to make an engine to run efficiently,the ideal ratio of air to fuel is known Stoichiometric ratio.

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Now, weight is in lb and as such, tech B is correct because his ratio is 14.7lb to 1 lb.

Read more at; brainly.com/question/16971089

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