(a) Write the expression for y as a function of x and t in SI units for a sinusoidal wave traveling along a rope in the negative x direction with the following characteristics: A - 9.00 cm, A= 85.0 cm, f= 4.00 Hz, and y(0, t) = 0 at t- 0. (Use the following as necessary: x and t.) y-0.09 sin(10xt+7.392x) (b) Write the expression for y as a function of x and t for the wave in part (a) assuming y(x, 0)= 0 at the point x = 50.0 cm. (Use the following as necessary: x and t.) y 0.05 sin (10xt+7.392x-3.55)

(a) Write the expression for y as a function of x and t in SI units for a sinusoidal wave traveling along a rope in the negative x direction with the following characteristics: A - 9.00 cm, A= 85.0 cm, f= 4.00 Hz, and y(0, t) = 0 at t- 0. (Use the following as necessary: x and t.) y-0.09 sin(10xt+7.392x) (b) Write the expression for y as a function of x and t for the wave in part (a) assuming y(x, 0)= 0 at the point x = 50.0 cm. (Use the following as necessary: x and t.) y 0.05 sin (10xt+7.392x-3.55)