Enhanced EOC: Problem 20.52 Part D What is the wave number? A wave on a string…

Enhanced EOC: Problem 20.52 Part D What is the wave number? A wave on a string is described by D(x, t) = (3.8cm) sin[2T(z/(8.4m) t/(0.22s) +1)], where a is in m and t is in s Express your answer to two significant figures and include the appropriate units You may want to review (Lm-pages 566-572) For help with math skills, you may want to review: k= 10.7 Substituting Numbers into Mathematical Expressions Submit My Answers Give Up For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Earthquake waves. Incorrect Try Again, 4 attempts remaining Part E At t = 0.77s, what is the displacement of the string at x = 9.1m? Express your answer to two significant figures and include the appropriate units D(9.1m, 0.77s)- 2.2 cm Submit My Answers Give Up