Consider a metal bar of initial length l and cross-sectional area a. the young's modulus of the material of the bar is y. find the "spring constant" k of such a bar for low values of tensile strain. express your answer in terms of y, l, and a.

A. s.a.! this is a similarity in right triangles. next (solve for x)a.) 12b.) 5c.) 12.5d.) [tex] 6\sqrt{3} [/tex]

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)

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