Two Traveling Pulses on a Rope Move Toward Each Other

question 22

Multiple Choice

Two traveling pulses on a rope move toward each other at a speed of 1.0 m/s.The waves have the same amplitude.The drawing shows the position of the waves at time t = 0 s.Which one of the following drawings depicts the waves on the rope at t = 2.0 s?

• A)a
• B)b
• C)c
• D)d

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Definitions:

Negative Affectivity

A personality dimension involving the tendency to experience negative emotions and moods, such as sadness, anxiety, and anger, more frequently and intensely than average.

Stranger Anxiety

An infant’s fear of and wariness toward strangers; it tends to appear in the second half of the first year of life.

Unsmiling

Displaying a serious or stern expression, without smiles.

Cheerful

Exhibiting a disposition that is full of joy and optimism.