Which of the following wave functions satisfies the wave equation?
(a)y(x, I) = A cos (kx + wt);
(b)y(x, I) =A sin (kx + w,);
(c) y (x, t) = A(cos kx + cos wt).
(d) For the wave of part(b), write the equations for the transverse velocity and transverse acceleration of a particle at point x.