hat
8. Elaji longè a: L, longè a nan vid la itilize fè sezon prentan an, L≈n1√ (πD2) &amp; sup2; + T &amp; sup2 ;.
eng
8. Expand the length: L, the length of the blank used to make the spring, L≈n1√(πD2)&amp;sup2;+t&amp;sup2;.