Two Sinusoidal Waves Travel Along the Same String

question 49

Multiple Choice

Two sinusoidal waves travel along the same string.They have the same wavelength and frequency.Their amplitudes are y_m1 = 2.5 mm and y_m2 = 4.5 mm, and their phases are π/4 rad and π/2 rad, respectively.What are the amplitude and phase of the resultant wave?

• A)cannot solve without knowing the wavelength
• B)5.1 mm, 0.51 rad
• C)5.1 mm, 0.79 rad
• D)6.5 mm, 1.3 rad
• E)7.0 mm, 1.3 rad

---

Definitions:

Stepparenting

The act of parenting a child by a person who is married to the child's biological parent but is not the child's biological mother or father.

Cumulative Effects Hypothesis

The theory that the impact of multiple stressors or factors accumulates over time, potentially leading to significant effects on health or behavior.

Social Capital Models

Theoretical frameworks that emphasize the value of social networks, connections, and relationships in achieving beneficial outcomes.

Remarriage

Entering into another marriage after one has been ended by divorce or after a spouse has died.