Question

A progressive wave is given by y(x, t)=8cos(300t-0.15x)t where x in m y in cm and t in second. what is the1 direction of propagtion

Answer 1

Answer:

the direction of propagation is in +X direction

Answer 2

The wave is moving in +x direction.

Explanation:

It is given that, the progressive wave is given by :

$y(x,t)=8\cos\ (300t-0.15x)$

where x in m y in cm and t in second.

We know that the general equation of the progressive wave is given by :

$y=A\ \cos(\omega t-kx)$

A is the amplitude

k is propagation constant

The given equation shows that the wave is moving in +x direction.

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Progressive wave

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