The function of a wave on a stretched string is given by: y(x,t) = 0.4 sin(wt - kx + ) where x is in meters and t in seconds. A t = 0, an element of the string at x = 0 has a vertical displacement of 0.2 m and is moving in the negative y-direction. The direction of travel of the wave and the phase constant are given by: Onegative x-direction; p = 5n/6 O positive x-direction; 4 = π/6 O negative x-direction = π/6 positive x-direction; p = 5π/6

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Interference of sound

Seiche

A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.