number that is:-)

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Note added at 1 hr (2018-09-08 18:48:46 GMT)
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всем таки понятно n & n1

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Note added at 4 days (2018-09-13 12:03:13 GMT)
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"красная" логика как всегда железобетонна, но многие авторы с ней плохо знакомы:
... they have the same tension and n times the extension of a single spring under the same tension and, for n springs in parallel, they will have ... https://www.physicsforums.com/threads/determining-energy-fro...
a) show that 3 springs in parallel, each with spring constant k, act together like a spring with spring constant 3k b) show that N springs in parallel, each with spring ...
https://www.chegg.com/homework-help/questions-and-answers/sh...
Find the effective spring constant ′ k of the three-spring system. By induction we see that for n springs in parallel, we have ′ k = k 1 + k 2 ... https://www.coursehero.com/file/p7bnvj4/A-Find-the-effective...
In general for n springs in parallel Fig. 1.7 https://books.google.com.ua/books?id=ftd5BgAAQBAJ&pg=PA7&lpg...
... n springs in parallel, the equivalent spring stiffness keq : k eq=k1+k2+⋯+kn is equal to the sum... https://books.google.com.ua/books?id=2S9KDwAAQBAJ&pg=PA1&lpg...
(In other words, for n springs in parallel, ktotal = k1 + ... https://www.velonews.com/2010/11/news/cyclocross/technical-f...


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Note added at 4 days (2018-09-13 12:06:17 GMT)
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so, you see, n is just the number of springs
of course, it's useless to expect any apologies...

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Note added at 6 days (2018-09-15 06:27:13 GMT) Post-grading
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Огромное спасибо!