Given:
- Displacement, x = 0.2 m
- Spring constant, k = 8 N/m
- Mass of the block, M = 4.0 kg
Using the conservation of energy:
\[ \frac{1}{2}k_1x^2 + \frac{1}{2}k_2x^2 = \frac{1}{2}Mv^2 \]
Substitute the values:
\[ \frac{1}{2}(8)(0.2)^2 + \frac{1}{2}(8)(0.2)^2
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