A wave on a string is described by D(x,t)=(3.4cm)× sin[2?(x/(8.4m)+t/(0.20s)+1)], where x is in m and t is in s.
A) In what direction is this wave traveling? In the positive or negative x direcction or the other direction?
B) What is the wave speed?
C) What is the frequency?
D) What is the wave number?
E) At t=0.60s, what is the displacement of the string at x=0.70m?