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Elena-2011 [213]
3 years ago
7

A (an) __________________________ is a series of refinements to an original idea or product

Engineering
1 answer:
Alecsey [184]3 years ago
3 0

Answer:

innovation is a series of refinements...

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An escalator handles a steady load of 26 people per minute in elevating them from the first to the second floor through a vertic
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Answer:

\eta = 70.711\,\%

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The power needed to make the escalator working is obtained by means of the Work-Energy Theorem:

\dot W  = \dot U_{g}

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\eta = \frac{2.687\,hp}{3.8\,hp}\times 100\,\%

\eta = 70.711\,\%

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