Oscillations

Question: In arrangement given in figure, if the block of mass $m$ is displaced, the frequency is given by

1) $n=\frac{1}{2\pi }\sqrt{\left( \frac{{{k}_{1}}-{{k}_{2}}}{m} \right)}$

2) $n=\frac{1}{2\pi }\sqrt{\left( \frac{{{k}_{1}}+{{k}_{2}}}{m} \right)}$

3) $n=\frac{1}{2\pi }\sqrt{\left( \frac{m}{{{k}_{1}}+{{k}_{2}}} \right)}$

4) $n=\frac{1}{2\pi }\sqrt{\left( \frac{m}{{{k}_{1}}-{{k}_{2}}} \right)}$

Solution:

Explanation: No Explanation

Spring mass system combination of springs

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