a transverse wave on a string travels with speed of 55m/s and has a wavelenght of 062m and an amplitude of 050cm. what is the maximum speed and maximum acceleration of a point on a string
displacement=A coswt=A cos(2PI*55/L)t
I think you meant L to be equal to .62m, and A to be .50m, but I am not certain.
maxspeed=A*2PI*55/L
max acceleration=A(2PI*55/L)^2