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The transverse displacement of a stretched string from equilibrium as a function of time and position...

The transverse displacement of a stretched string from equilibrium as a function of time and position is given by:
y=0.13 cos(3 x - 72 t). x and y are in m; t is in s.
False: The wave moves in the negative x direction.
Greater than: The wavelength is ..... 1 m.
Greater than: The speed of the wave is ..... 23 m/s.
Less than: The period is ..... 0.1 seconds.

Solve:

Calculate the average power transmitted by the string. Data: mass of a 157 m long piece of the string is 2.83 kg

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