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eleration along the surface. 0.85 m/s l the crate. 29 N Problem 2 A 0.5-kg block is pressed a distance d against ahorizontal spring of constant 800 N/m. The block sits on a frictionless horizontal surface When the block is released from rest, it slides along the surface, its speed is 1.6 m/s when it leaves the spring a) Calculate distance d. 4 cm Suppose that the sliding block (speed 1.6 m/s) crosses a rough section of the surface. The length of the section is 1 m. The block has a speed of 02 ms after it has passed through the section (b) Calculate the coefficient of kinetic friction between the block and the rough section of surface. 0.13
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