Question

A spring is used to stop a 50-kg package which is moving down a 20 incline. The spring has a constant k = 30 kN/m and is held by cables so that it is initially compressed 50-mm Knowing that the velocity of the package is 2 m/s when it is 8-m from the spring. Assuming the kinetic friction between the package and the incline is 0.2. Determine the maximum additional deformation of the spring in bringing the package to rest.

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