Two sinusoidal waves with the same amplitude of 9.03 mm and the same wavelength travel together along a string that is stretched along an x axis. Their resultant wave is shown twice in the figure, as valley A travels in the negative direction of the x axis by distance d = 59.0 cm in 12.0 ms. The tick marks along the axis are separated by 11 cm, and height H is 8.1 mm. Let the equation for one wave be of the form y(x, t) = ym sin(kx ± wt + $1), where p1 = 0 and you must choose the correct sign in front of w. For the equation for the other wave, what are (a) ym, (b) k, (c) w, (d) P2, and (e) the sign in front of w?

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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.