A string has a linear density of 2.7×10⁻³ kg/m. Suppose traveling down this string is a wave of the form: y(x,t)=(0.085 m)cos[(240 s⁻¹ )t−(4 m ⁻¹ )x]. (8 points each)
(What is the maximum speed of some point on the string and what is the frequency of its oscillation?
