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The displacement of an element of a string is given by y(x,t) = 4.3sin(1.2x - 417t - π/3), with x in
1
meters and t in seconds. Given that
=
what is v?
Stated in 2 digits
O 0.065 m/s
0.25 m/s
2.0 m/s
3.9 m/s
O 15 m/s

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