Answer to Question #182206 in Mechanical Engineering for luke

Question #182206

A spring has a stiffness of 100N/m. A mass of 4 kg was attached to the spring. The mass was pushed 10cm upward from the equilibrium position and was released from rest. After 5 seconds from release, determine if the mass is below or above equilibrium position.


1
Expert's answer
2021-04-23T08:25:50-0400

T = 2"\\pi"(m/k)1/2 = 2 x 3.14 x (4/100)1/2 = 1.256 s

5/1.256 = 3.98 the mass is below equilibrium position.


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