[填空题]
A mass of 2.62 kg stretc )pdawis8: m;ihes a vb wd4lk2oceo8v8+5ef.l0v z qertical spring 0.315 m. If the spring is stretched an additional 0.130 m and released, how long does it08ovql8 o4+wkvcdzle 2f e5b. take to reach the (new) equilibrium position again? s