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In general, the cosine function has maximum displacements, either positive or negative, when its argument is...

In general, the cosine function has maximum displacements, either positive or negative, when its argument is equal to an integer multiple of π. When t = 0.150 s , k = 12.8 rad/m , and ω = 109 rad/s use the wave equation to select all of the x positions that correspond to points of maximum displacement.

check all that appy

0.760 m
1.52 m
1.65 m
1.77 m
1.89 m
2.01 m
0 0
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Answer #1

The equation of wave traveling in positive x is as follows: Y(x,t) = A cos(kx -wt) Here, the displacement is Y , the amplitudFor n=3 (3)(A)+(109 rad/s)(0.150 s) (12.8 rad/m) = 2.01m The values of x correspond to maximum displacement are, 1.52 m 1.77m

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