Solve the Problem $y = A \cos \frac { 2 \pi } { \lambda } ( x - V t )$

question 93

Multiple Choice

Solve the problem.
-The transverse (vertical) displacement of a traveling wave on a stretched string is represented by the equation $y = A \cos \frac { 2 \pi } { \lambda } ( x - V t )$ . Find the period, amplitude, and phase shift of this function, given that $A = 5 , \lambda = 5$ in, $\mathrm { V } = \frac { 1 } { 2 } \mathrm { in } / \mathrm { sec }$ , and $\mathrm { t } = 2 \mathrm { sec } .$

• A) \(\pi , 5 , - 1\)
• B) \(5,5,1\)
• C) \(0.20,5,0.20\)
• D) \(5,5 , - 1\)

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