The displacement y of a wave travelling in the x direction is given by where x and y are measured in metres and t in second. The speed of the wave is ………
A. 150 ms-1
B. 300 ms-1
C. 450 ms-1
D. 600 ms-1
Answer:A
The displacement y of a wave travelling in the x direction is given by where x and y are measured in metres and t in second. The speed of the wave is ………
A. 150 ms-1 B. 300 ms-1 C. 450 ms-1 D. 600 ms-1