Question

When a force of 19 N is applied to a spring, it elongates 0.085 m. Determine the period of oscillation of a 4.0-kg object suspended from this spring.

Answer 1

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The  period of oscillation of a 4.0-kg object suspended from this spring is 0.84
Below is the solution:

 T=  2*3.14*(M/K)^1/2=0.84