3 years ago

1. Describe simply what will happen to an airplane in flight in the following conditions:

1 answer:

4 0

Answer:

For the two you haven't answered: (Drag greater than thrust, lift greater than weight) It will accelerate backwards (decelerate) and upwards

(Lift greater than weight, thrust greater than drag) accelerate upwards and forwards.

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Answer:

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3 years ago

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A large spherical tank contains gas at a pressure of 400 psi. The tank is constructed of high-strength steel having a yield stre

jok3333 [9.3K]

Answer:

t=2.025 inches

Explanation:

Given that

P = 400 Psi

Yield stress ,σ = 80 ksi

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Factor of safety ,K= 3

The required thickness given as

$\dfrac {Pd}{4t}=\dfrac{\sigma}{K}$

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$\dfrac {PdK}{4\sigma}=t$

$\dfrac {400\times 540\times 3}{4\times 80\times 1000}=t$

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Therefore thickness will be 2.025 inches.

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