The equation y(x, t) = A cos 2 f ( may be written as A cos [2(x-vt)]. y(x, t): = Use the last expression for y(x, t) to find an expression for the transverse velocity of a particle in the string on which the wave travels. Express your answer in terms of A, v, X, x, t. Use as constant. Vy = Submit Part B VE Request Answer ? Find the maximum speed of a particle of the string. Express your answer in terms of A, v, , x, t. Use as constant.