
$y = 0.02sin\left[ {2\pi \left( {\frac{t}{{0.04\left( s \right)}} - \frac{x}{{0.50\left( m \right)}}} \right)} \right]m$ The tension in the string is .... $N$
$y = 10^{-4}\, sin\, (60\,t + 2x)$
Where $x$ and $y$ are in $metres$ and $t$ is in $ec$ . Which of the following statements is correct ?