Asked by Anonymous

A 2.15 kg mass is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of 18.7 N is required to hold the mass at rest when it is pulled 0.205 m from its equilibrium position (the origin of the x axis). The mass is now released from rest with an initial displacement of xi = 0.205 m, and it subsequently undergoes simple harmonic oscillations. Calculate the force constant of the spring.
Answered by bobpursley
18.4N=k(.205) solve for k.
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