Posted by **rare** on Saturday, May 11, 2013 at 10:06pm.

A plane progressive wave is represented by the wave equation:

y=0.1sin(200 ðt-20ðx/17)

Where y is in millimetres, t is in seconds, and x is the distance from a fixed origin, O, in metres. Find:

The frequency of the wave

The wavelength of the wave

The speed of the wave

The phase difference, in radians between a point 0.25 m from ‘O ‘and a point 1.10 m from ‘O’.

The equation of a wave travelling in the same medium with double the amplitude, and double the frequency, but travelling in the opposite direction.

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