Explanation:
Explanation:
Y = 5 Sin27(.2x-3t)
= 5 Sin(5.4x - 81 t)
Amplitude = 5 m
Angular frequency w = 81
frequency = w/ 2π = 81/(2 x 3.14)
-12.89
Wave length λ = 2π/ k,
k = 5.4
λ = 2π/ 5.4
= 1.163 m
Phase velocity=w / k
= 81/5.4
15 m/s.
The wave is travelling in + ve x - direction.
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