у (mm) Snapshot graph at t=0s v= +6 cm/s 15 20 Tx (cm) 10 v=-6 cm/s FIGURE Q16.18
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At t = 1 s, what is the displacement y of the string at x = 7 cm?
A. -1.0 mm B. 0 mm C. 0.5 mm
D. 1.0 mm E. 2.0 mm
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