Which of the following equations represents a wave?
A. y = A(ωt – kx)
B. y = A sin ωt
C. y = A cos kx
D. y = A sin (at – bx + c)
Answer:D
Which of the following equations represents a wave?
A. y = A(ωt – kx) B. y = A sin ωt C. y = A cos kx D. y = A sin (at – bx + c)