# у (ст)2.521.511 ст/s0.5х (ст)0123457-0.5-1-1.51 ст/s-2-2.5— о-

Question
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Two wave pulses travel on a string. The picture shows the displacement of the string y as a function of x at t = 0. The velocities of the wave pulses are shown.

1. At t = 2 s, what is the displacement of the string at the following values of x?

a. At x = 4.5 cm, y =  _____ cm
b. At x = 5.5 cm, y =  _____ cm

2. At t = 3 s, what is the displacement of the string at the following values of x?

a. At x = 3.5 cm, y = ______  cm

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Step 1

Consider the vertical axis denotes displacement(y) of the wave as the function of x (horizontal axis).

1. consider the situation at t=2 s.
Step 2

The total displacement can be calculate by taking the algebraic sum of the both wave at that instant(x).

Step 3
1. consider the situation at t=3 s....

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