A spring of spring constant k is suspended from the roof and a block of mass m is suspended at the other end of the spring. The block is suddenly released. Find the maximum elongation produced in the spring.

A spring of spring constant k is suspended from the roof and a block o

1.	A spring of spring constant k is suspended from the roof and a block of mass m is suspended at the other end of the spring. The block is suddenly released. Find the maximum elongation produced in the spring.
A.	\(\frac{{2mg}}{k}\)
B.	\(\frac{{mg}}{{2k}}\)
C.	\(\frac{{mg}}{k}\)
D.	\(\frac{{mg}}{{4k}}\)
Answer» B. \(\frac{{mg}}{{2k}}\)