Write the equation of a travelling wave from given data

1. A.
   $Y(x,t) = 0.03\sin\left\lbrack 5.1x - \left( 0.2 \times 10^{3} \right)t \right\rbrack$
2. B.
   $Y(x,t) = 0.06\sin\left\lbrack 5.1x - \left( 1.5 \times 10^{3} \right)t \right\rbrack$
3. C.
   $Y(x,t) = 0.06\sin\left\lbrack 0.8x - \left( 0.5 \times 10^{3} \right)t \right\rbrack$
4. D.
   $Y(x,t) = 0.03\sin\left\lbrack 5.1x - \left( 1.5 \times 10^{3} \right)t \right\rbrack$

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1. A.
   $y = 2\cos(0.83x - 3.35t)cm$
2. B.
   $y = 2\sin(0.83x - 3.5t)cm$
3. C.
   $y = 2\cos(3.35x - 0.83t)cm$
4. D.
   $y = 2\cos(0.13x - 0.5t)cm$

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