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Slav-nsk [51]
3 years ago
13

Match each example with the appropriate stage of technological design. drag each arrow to its correct match.

Physics
1 answer:
Akimi4 [234]3 years ago
7 0

Answer:

Review each answer in the explanation part

Explanation:

Identify a problem or need = Aerospace engineers need a lightweight material to build a jet

Note: Identify a problem is related always with a need.

After identify the problem the next stage is the design

Design a solution = Engineers determine what features the material must have.

Note: The design process implies the choice of the materials and the proper numeric calculations.

Implement the solution = Engineers test a carbon - plastic compound in a wind tunnel.

Note: after the design, the following process is the built of the equipment and the different tests.

Evaluate the solution = The carbon-plastic compound is redesigned to save maximun energy.

Note: After testing, you enter a part of re-design that means making improvements to the already constructed.

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So the ratio will be \frac{T_L}{T_H}=-0.171

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We have given heat engine absorbs 450 joule from high temperature reservoir

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So work done W = 290 J

We know that efficiency \eta =\frac{W}{Q}=\frac{290}{450}=0.6444

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1.171 =1-\frac{T_L}{T_H}

\frac{T_L}{T_H}=-0.171

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