Answer
$v=2\frac{m}{s}$
Work Step by Step
The wave speed is determined as follows
$v=f\lambda$
putting the values, we get
$v=2\times100=200 \frac{cm}{s}=\frac{200}{100}\frac{m}{s}=2\frac{m}{s}$
thus $v=2\frac{m}{s}$
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