A 15m long string, of mass 1.8 kg is stretched such that the tension in the string is 25 N. A wave of frequency 20 Hz is sent through the string, and is traveling to the left.
A) find the speed of the wave
B) Calculate the wavelength of the wave
C) Write a mathmatical expression for the displacement of the string particles, knowing their maximum displacement is 0.01m
D) Calculate the displacement of a particle in the string at t = 10s, when the wave is at x = 0.005m