A) 30 m/s
B) 40 m/s
C) 300 m/s
D) 400 m/s
Correct Answer: A
Solution :
\[v=\frac{\text{co-efficient of }t}{\text{co-efficient of }x}=\frac{2\pi /0.01}{2\pi /0.3}=30\,m/s\]You need to login to perform this action.
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