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Given the progressive wave equation y = 5 sin (2000 t - 0.4x), calculate...

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Question 19

Given the progressive wave equation y = 5 sin (2000 t - 0.4x), calculate wave length

A

12.4 m

B

15.7 m

C

17.5 m

D

18.6 m

Explanation

Share Answer Comparing y = 5sin (200 t - 0.4X) with the wave equation y = A sin (wt -KX) K = (2)/ = 0.4
= (2)/0.4 = 15.7M

Correct option: B

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