Two Water Waves Meet at the Same Point,one Having a Displacement

question 36

Multiple Choice

Two water waves meet at the same point,one having a displacement above equilibrium of 60 cm and the other having a displacement above equilibrium of 40 cm.At this moment,what is the resulting displacement above equilibrium?

• A) 140 cm
• B) 100 cm
• C) 70 cm
• D) Information about the amplitudes needs to be given to find an answer.

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Definitions:

Dynamic Systems Theory

A framework describing motor skills as resulting from ongoing interactions among physical, cognitive, and socioemotional influences and environmental supports; previously mastered skills are combined to provide more complex and effective ways of exploring and controlling the environment.

Skill Milestones

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Cross Cultural Influences

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Voluntary Reaching

A developmental milestone where infants intentionally extend their arm and hand towards an object to grasp it.