Of the three traveling waves listed below, which one(s) is(are) traveling in the +x direction? (1)...

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Of the three traveling waves listed below, which one(s) is(are) traveling in the +x direction? (1) y = +3.2 sin [4.1t+ 2.3x] (2) y = -6.8 sin [-3.0t + 1.5x] (3) y = +4.9 sin [12.0t + 18x] A) 1, 2, and 3 B) 3 only C) 1 only D) 2 only E) 2 and 3 only Of the three traveling waves listed below, which one(s) is(are) traveling in the +x direction? (1) y = +3.2 sin [4.1t+ 2.3x] (2) y = -6.8 sin [-3.0t + 1.5x] (3) y = +4.9 sin [12.0t + 18x] A) 1, 2, and 3 B) 3 only C) 1 only D) 2 only E) 2 and 3 only

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