The equation ofa wave moving on string y = 8 sin {pi (0.002 x - 4t)} where x , y are in centimeter and t in seconds . The velocity of the wave is ……… .

The equation ofa wave moving on string y = 8 sin {pi (0.002 x - 4t)} w

1.	The equation ofa wave moving on string y = 8 sin {pi (0.002 x - 4t)} where x , y are in centimeter and t in seconds . The velocity of the wave is ……… .
Answer» 100 cm/s `0.2pi` cm/s `4 PI` cm/s 200 cm/s Solution :`V = (omega)/(k)= (4)/(0.02) = 200` cm/s