For a progressive wave, y = 5 sin (0.01 x - 2t) (where x and y are in cm and t is in s). What will be its speed od propagation ?

For a progressive wave, y = 5 sin (0.01 x - 2t) (where x and y are in

1.	For a progressive wave, y = 5 sin (0.01 x - 2t) (where x and y are in cm and t is in s). What will be its speed od propagation ?
Answer» SOLUTION :Comparing `y =5 sin (0.01x -2t)` with ` y = A sin (kx - omega t )` We get `k =0.01 rad//cm, omega =2 rad//s` Now, WAVE VELOCITY is `V = (omega )/(k) = (2)/(0.01) =200 cm//s`