A travelling harmonic wave on a string is described by y(x, t) = 7.5 sin (0.005 x +12t + π /4)
what are the displacement and velocity of oscillation of a point at x = 1 cm, and t = 1 *? Is this velocity equal to the velocity of wave propagation?
Locate the points of the string which have the same transverse displacements and velocity as the x a 1 cm point at t = 2 , 5 , and 11s.