The Displacement of a String Carrying a Traveling Sinusoidal Wave $\phi$

question 69

Multiple Choice

The displacement of a string carrying a traveling sinusoidal wave is given by At time t = 0 the point at x = 0 has a displacement of 0 and is moving in the positive y direction. The phase constant $\phi$ is:

• A) 0\(\degree\)
• B) 90\(\degree\)
• C) 135\(\degree\)
• D) 180\(\degree\)
• E) 270\(\degree\)

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Definitions:

Confounding Variables

External factors that can affect the results of an experiment or study by being intertwined with the independent variable.

Correlational Study

Research design intended to discover whether a statistical relationship between variables exists.

Laboratory Experimental Approach

A research method in which variables are manipulated and controlled in a lab setting to study their effects on outcomes of interest.

Randomly Assign

A method used in experimental designs where participants are allocated to different groups without any systematic criteria, helping to minimize bias.