An ideal spring of spring constant k, is suspended from the ceiling of a room and a block of mass M is fastened to its lower end. If the block is releasedwhen the spring is un-stretched , then the maximum extension in the spring is

An ideal spring of spring constant k, is suspended from the ceiling of

1.	An ideal spring of spring constant k, is suspended from the ceiling of a room and a block of mass M is fastened to its lower end. If the block is releasedwhen the spring is un-stretched , then the maximum extension in the spring is
Answer» `4(Mg)/(K)` `(Mg)/(k)` `2(Mg)/(k)` `(Mg)/(2k)` ANSWER :C