A) 1 sec
B) 2 sec
C) 3 sec
D) 4 sec
Correct Answer: D
Solution :
\[T=2\pi \sqrt{\frac{m}{k}}\]Þ\[\frac{{{T}_{2}}}{{{T}_{1}}}=\sqrt{\frac{{{m}_{2}}}{{{m}_{1}}}}=\sqrt{\frac{4m}{m}}=2\]\[\Rightarrow {{T}_{2}}=2\times 2=4\ s\]You need to login to perform this action.
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