One end of a light spring of spring constant k is fixed to a wall and the other end is tied to a block placed on a smooth horizontal surface. In a displacement, the work done by the spring is (1)/(2)kx^(2). The possible cases are(a) the spring was initially compressed by a distance x and was finally in its natural length(b) it was initially streched by a distace x and finally was in its natural length(c ) it was initially in its natural length and finally in a compressed position(d) it was initially in its natural length and finally in a stretched position.

One end of a light spring of spring constant k is fixed to a wall and

1.	One end of a light spring of spring constant k is fixed to a wall and the other end is tied to a block placed on a smooth horizontal surface. In a displacement, the work done by the spring is (1)/(2)kx^(2). The possible cases are(a) the spring was initially compressed by a distance x and was finally in its natural length(b) it was initially streched by a distace x and finally was in its natural length(c ) it was initially in its natural length and finally in a compressed position(d) it was initially in its natural length and finally in a stretched position.
Answer» a, B are CORRECT b, C are correct a, d are correct b, d are correct ANSWER :A