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18. Which of the following equations describes a wave travelling in the positive x direction, with amplitude 0.7 m, frequency 100 Hz, and speed 300 m/s? a) y(x, t) = 0.7 sin(3 x – 0.01 t) b) y(x, t) = 0.7 sin(3 x – 100 t) c) y(x, t) = 0.7 sin (#x- 200m t) d) y(x, t) = 0.7 sin (#x- 100 t) Ex – 100 t) e) None of the above

18. Which of the following equations describes a wave travelling in the positive x direction, with amplitude 0.7 m, frequency 100 Hz, and speed 300 m/s? a) y(x, t) = 0.7 sin(3 x – 0.01 t) b) y(x, t) = 0.7 sin(3 x – 100 t) c) y(x, t) = 0.7 sin (#x- 200m t) d) y(x, t) = 0.7 sin (#x- 100 t) Ex – 100 t) e) None of the above

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18. Which of the following equations describes a wave travelling in the positive x direction, with amplitude 0.7 m, frequency 100 Hz, and speed 300 m/s? a) y(x, t) = 0.7 sin(3 x – 0.01 t) b) y(x, t) = 0.7 sin(3 x – 100 t) c) y(x, t) = 0.7 sin ( x – 200n t) d) y(x, t) = 0.7 sin ( x – 100 t) e) None of the above
Transcribed Image Text:18. Which of the following equations describes a wave travelling in the positive x direction, with amplitude 0.7 m, frequency 100 Hz, and speed 300 m/s? a) y(x, t) = 0.7 sin(3 x – 0.01 t) b) y(x, t) = 0.7 sin(3 x – 100 t) c) y(x, t) = 0.7 sin ( x – 200n t) d) y(x, t) = 0.7 sin ( x – 100 t) e) None of the above
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