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6One end of a light spring of natural length d and spring constantRingk (=mg/d) is fixed on a rigid support and the other end is fixed to a smoothring of mass m which can slide without friction on a vertical rod fixed at adistance d from the support. Initially, the spring makes an angle of 37^° with the horizontal as shown in the figure. The system is released fromrest. The speed of the ring at the same angle subtended downward will be(A) /2gd37^° d37(B) /3gd(D) Vgd/2

Answer» 6One end of a light spring of natural length d and spring constantRingk (=mg/d) is fixed on a rigid support and the other end is fixed to a smoothring of mass m which can slide without friction on a vertical rod fixed at adistance d from the support. Initially, the spring makes an angle of 37^° with the horizontal as shown in the figure. The system is released fromrest. The speed of the ring at the same angle subtended downward will be(A) /2gd37^° d37(B) /3gd(D) Vgd/2


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