A 5.0-kg mass with initial velocity 20.0 m/s slides along a frictionless horizontal surface then up a frictionless ramp 2.0 m long and at an angle 30.0 degrees to the horizontal) and onto a second horizontal surface. The block slides over a rough surface 15.0 m in length k = 0.400) before moving again on a frictionless surface and then impacting upon an uncompressed spring. If the block compresses the spring a distance 2.00 m, what is the spring constant k for the spring?
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