Two Harmonic Waves Are Described by

question 6

Multiple Choice

Two harmonic waves are described by

From the choices given,determine the smallest positive value of x (in cm) corresponding to a node of the resultant standing wave.

• A)3
• B)0.25
• C)0
• D)6
• E)1.5

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Definitions:

Brazelton Neonatal Behavioral Assessment Scale (NBAS)

A tool used to evaluate physical and neurological responses of newborns, as well as emotional well-being and individual differences.

Prostaglandins

Hormones that stimulate uterine contractions.

Lamaze Method

A method of childbirth in which women are educated about childbirth, learn to relax and breathe in patterns that conserve energy and lessen pain, and have a coach (usually the father) present during childbirth. Also termed prepared childbirth.

Breech Presentation

A position in which the fetus enters the birth canal buttocks first.