PHYSICS
posted by Anon .
A harmonic wave on a string moves along the xaxis according to:
î(x,t) = 5.0 (cm) sin[ (2.5m1) x  (63s1) t ]
At x = 1.0 m when t = 2.2 s the speed of the oscillations on the string is closest to ...
25.2 m/s
4.55 m/s
3.15 m/s
2.27 m/s
1.67 m/s
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