Question: 2. A 5-kg block is suspended from a spring having a stiffness of 300 Mm. If the block is acted upon by a vertical force


2. A 5-kg block is suspended from a spring having a stiffness of 300 Mm. If the block is acted upon by a vertical force F = (7 sin St} N, where t is in seconds, determine the equation which describes the motion of the block when it is pulled down 100 mm from the equilibrium position and released from rest at t=0. Assume that positive displacement is downward.
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