Question
A block of mass m is attached to one end of a masslessspring which is suspended vertically from a fixedpoint. The mass is held in hand so that the springis neither stretched nor compressed. Suddenly thesupport of the hand is removed. The lowest positionattained by the mass during oscillation is 4 cm belowthe point, where it was held in hand. The amplitudeof the oscillation is(d) 4 cm(c) 3 сm(b) 2 сm(а) 1 cm