A)
Amplitude = 2 x 2.9 = 5.8 cm
B)
Wavelength, lambda = 2 pi/0.85 = 7.4 cm
C)
Angular Frequency is 9.3 s-1
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The following two traveling waves are superposed to create a standing wave: ψ'= (2.9 cm) sín/10.85...
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