Continuous String Take limit of h→0 and m/h→ r Wave Equation
Solutions to Wave Equation Traveling Wave Solution: Standing Wave Solution:
Normal Modes of Wave on String n= normal mode Can be broken down into a wave traveling + and one traveling –
Initial Conditions - Stationary If string with fixed endpoints is stationary at t=0 :
Other Boundary Conditions Slipping ring Other combinations
Traveling Waves
Traveling Waves (continued)
Reflections Wave functions must satisfy wave equation and boundary condition at end of rope
Wave Equation for Other Variables “Conjugate” variables Other wave equations
Power Transmission
Wave Equations for Other Systems E&M: Sound:
Wave Equation in 3 Dimensions E&M in free space: