A) \[15\text{ }m/{{s}^{2}}\]
B) \[3\text{ }m/{{s}^{2}}\]
C) \[10\text{ }m/{{s}^{2}}\]
D) \[5\text{ }m/{{s}^{2}}\]
Correct Answer: C
Solution :
[c] \[Mass\left( m \right)=0.3kg\Rightarrow F=m.a=-15x\] \[a=-\frac{15}{0.3}x=\frac{-150}{3}x=-50x\] \[a=-50\times 0.2=10\text{ m/}{{\text{s}}^{2}}\]
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