A block of mass m hangs on a vertical spring. Initially the spring is unstretched, it is now allowed to fall from rest. Find the distance the block falls (a) if the block is released slowly, (b) if the block is released suddenly.

A block of mass m hangs on a vertical spring. Initially the spring is

1.	A block of mass m hangs on a vertical spring. Initially the spring is unstretched, it is now allowed to fall from rest. Find the distance the block falls (a) if the block is released slowly, (b) if the block is released suddenly.
Answer» ANSWER :mg/k, 2 mg/k