Question $2(4$ points$)$

The $0\mathrm{.}35-kg$ plunger is released from

rest in the position shown where the

spring of stiffness $k=500\frac{N}{m}$ has

been compressed to one$-$half its

uncompressed length of $200$ mm $.$

Calculate the maximum height $h$ above

the starting position reached by the

plunger. Give your answer in mm$.$