A body of mass (m) starts from rest and descends by sliding down a frictionless plane inclined at an angle (theta) . After sliding a distance (d), it contacts the end of an uncompressed and stretched spring of negligible mass, as shown in the figure below. The body slides an additional distance (x) until it momentarily reaches rest by spring compression (of elastic constant K). What is the initial separation d between the body and the end of the spring? g is the acceleration of gravity Choose an option on the image

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