Solve the following :

Question:

Both the springs shown in figure are unstretched. If the block is displaced by a distance $\mathrm{x}$ and released, what will be the initial acceleration?

Solution:

$-k_{1} x-\left(k_{2} x\right)=m a$

$=>a=\frac{-\left(k_{1}+k_{2}\right) x}{m}$

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