A) 2 J
B) 4 J
C) 1 J
D) zero
Correct Answer: A
Solution :
\[E=\frac{1}{2}m{{\omega }^{2}}{{A}^{2}}\] \[=\frac{1}{2}\times 0.1\times {{(0.05)}^{2}}\times 4{{\pi }^{2}}\times {{(20)}^{2}}\] \[=1.972J\] \[E=2J\]You need to login to perform this action.
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