1. A light spring is hung vertically from a fixed support and a heavy mass m is attached to a lower end. the mass is then slowly lowered to its equilibrium position. this stretches the spring by an amount d. If the same body is permitted to fall instead, through what distance does it stretch the string? ANS. OPTIONS: (a) d (b) 1.5 d (c) 2d (d) 3d
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