Sketch a Shows Two Identical Pulses Traveling in Opposite Directions

question 100

Multiple Choice

Sketch A shows two identical pulses traveling in opposite directions along a string, each with a velocity of 1.0 cm/s. After 4.0 s, the string will look like which of the other sketches?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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Definitions:

Preterm Infants

Babies born before completing the usual 37 weeks of gestation, often facing higher risks of complications.

Neonates

Newborn infants, especially within the first month after birth, a critical period for adaptation outside the womb.

High-Pitched Sounds

Sounds that have a high frequency, often heard as sharp or shrill to the human ear.

Sudden Infant Death Syndrome (SIDS)

The death, while sleeping, of apparently healthy babies who stop breathing for unknown medical reasons. Also called crib death.