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6.85 A 5.00-kg block is mov- Figure P6.85 ing at Vo=6.00 m/s along a frictionless, horizontal surface toward a spring with force con- stant k=500 N/m that attached to a wall (Fig. P6.85). The spring has negligible mass. (a) Find the maximum distance the spring will be compressed. (b) If the spring is to compress by no more than 0.150 m, what should be the maximum value of vo? Vo = 6.00 m/s k = 500 N/m MMM 5.00 kg is

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