Brazilian Physics Olympiad (OBFEP)

Classical Mechanics Level 3

A body with mass m m is displaced from a distance X o Xo , down the inclinated plane (such as the figure), from its equilibrium position. Then, it's released at rest. Consider the spring, the cable and the pulley as ideal. Find the frequency of vibration of the body.

1 2 π m k \dfrac{1}{2\pi}\sqrt{\dfrac{m}{k}} 1 2 π k m \dfrac{1}{2\pi}\sqrt{\dfrac{k}{m}} 1 π k m \dfrac{1}{\pi}\sqrt{\dfrac{k}{m}} 1 π m k \dfrac{1}{\pi}\sqrt{\dfrac{m}{k}}

Gabriel Laurentino by Gabriel Laurentino , 23, Brazil

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