A) 10
B) 0.5
C) 1
D) 0.117
Correct Answer: D
Solution :
\[y=0.021\sin (x+30t)\]Þ \[v=\frac{\omega }{k}=\frac{30}{1}=30\,m/s\]. Using, \[v=\sqrt{\frac{T}{m}}\Rightarrow 30=\sqrt{\frac{T}{1.3\times {{10}^{-4}}}}\Rightarrow T=0.117\]NYou need to login to perform this action.
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