A wave on a string is described by V D (xx, t) = (2.6 cm) x Part B sin [27 (x/ (4.8 m) + t/ (0.14 s) + 1)], where a is in m and t is in s. What is the wave speed? Express your answer with the appropriate units. HA ? V = Value Units Submit Request Answer V Part C What is the frequency? Express your answer with the appropriate units. HA f = Value Units Submit Request Answer Part D What is the wave number? Express your answer with the appropriate units. HA ?Express your answer with the appropriate units. A wave on a string is described by I'i HA ? D (x, t) = (2.6 cm) x sin [27 (x / (4.8 m) + t/ (0.14 s) + 1)], where a is in m and t is in s. f = Value Units Submit Request Answer Part D What is the wave number? Express your answer with the appropriate units. HA 0 = ] ? k = Value Units Submit Request Answer V Part E At t = 0.49 s, what is the displacement of the string at x = 5.2 m? Express your answer with the appropriate units. HA ? D(5.2 m, 0.49 s) = Value Units Submit Request