The discussion revolves around calculating the transverse wave speed for a point on a taut string using a given wave function. The wave function provided is 15.0 cm cos(πx - 15πt), and the specific displacement at which the speed is to be calculated is 12.0 cm.
The conversation is ongoing, with participants questioning the interpretation of the problem and clarifying the distinction between wave speed and the speed of a point on the string. Some guidance has been offered regarding simplifying the wave function to focus on the time variable.
Participants note that the problem may involve assumptions about the wave speed being independent of position along the string, and there is a mention of needing to consider the rate of change of displacement with respect to time.