A plane progressive wave is given by y = 2 co | vedclass

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Question

(A) The standard equation of a plane progressive wave is given by $y = A \cos(2\pi(
u t - \frac{x}{\lambda}))$,where $
u$ is the frequency.Given equ

Vedclass · Accepted Answer

$\frac{1}{330} 	ext{ s}$

Vedclass · Answer

(A) The standard equation of a plane progressive wave is given by $y = A \cos(2\pi(
u t - \frac{x}{\lambda}))$,where $
u$ is the frequency.Given equation: $y = 2 \cos 6.284(330t - x)$.Since $6.284 \approx 2\pi$,we can rewrite the equation as $y = 2 \cos 2\pi(330t - x)$.Comparing this with the standard form,the frequency $
u = 330 	ext{ Hz}$.The time period $T$ is the reciprocal of the frequency,$T = \frac{1}{
u}$.Therefore,$T = \frac{1}{330} 	ext{ s}$.

$A$ plane progressive wave is given by $y = 2 \cos 6.284(330t - x)$. What is the period of the wave?

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