Find the displacement of a simple harmonic wave of amplitude7.26 m at t = 0.71 s

Question

Find the displacement of a simple harmonic wave of amplitude7.26 m at t = 0.71 s. Assume that the wave number is 2.34m-1, the angular frequency is 2.88 rad/s, and that thewave is propagating in the +x direction at x =1.21 m.

1.18 m

3.99 m

2.54 m

5.13 m

Answer not d

Part A

Find the displacement of a simple harmonic wave of amplitude7.26 m at t = 0.71 s. Assume that the wave number is 2.34m-1, the angular frequency is 2.88 rad/s, and that thewave is propagating in the +x direction at x =1.21 m.

ANSWER:

1.18 m

3.99 m

2.54 m

5.13 m

Answer not d

Explanation / Answer

Displacement y = A sin ( t - kx ) where A = 7.26 m            k =2.34 m -1           =2.88 rad ;/ s            t =0.71 s            x =1.21 m substitue values weget answer

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