A spring, k=750 N/m, is attached to the wall and a mass, m 19.9 kg. using...

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A spring, k=750 N/m, is attached to the wall and a mass, m 19.9 kg. using ropes, as shown in the figure. (Figure 1) The floor is frictionless and the ropes are massless and inextensible. With the spring in its relaxed state, the distance from the wall to the mass is zo =340 mm The mass is then pulled to a distance of z = 405 mm from the wall. (Figure 2) If the mass is now released, find the first value of z for which the mass will have a speed of 0.259 m/s A spring, k=750 N/m, is attached to the wall and a mass, m 19.9 kg. using ropes, as shown in the figure. (Figure 1) The floor is frictionless and the ropes are massless and inextensible. With the spring in its relaxed state, the distance from the wall to the mass is zo =340 mm The mass is then pulled to a distance of z = 405 mm from the wall. (Figure 2) If the mass is now released, find the first value of z for which the mass will have a speed of 0.259 m/s