A $5\mathrm{.}000-kg$ block rests on top of a $2-kg$ block supported by$,$ but not attached to$,$ a spring of constant $40\frac{N}{m}.$ The upper block is suddenly removed.

Problem $13\mathrm{.}026.$b $-$ Height reached by a block resting on a spring

Determine the maximum height reached by the $2-kg$ block. $($Round the final answer to three decimal places.$)$

The maximum height reached by the $2-kg$ block is $$ m$.$