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$$U=\frac{1}{2} k x^{2}$$$\newline$The elastic energy of an object, $U$, is determined by its absolute compression, $x$, and the spring constant of the object, $k$, as shown in the formula. Which of the following correctly shows the object's absolute compression in terms of its elastic energy and spring constant?$\newline$Choose $1$ answer:$\newline$(A) $x=\sqrt{\frac{k U}{2}}$$\newline$(B) $x=\sqrt{\frac{2 U}{k}}$$\newline$(C) $x=\frac{\sqrt{2 U}}{k}$$\newline$(D) $x=\left(\frac{2 U}{k}\right)^{2}$