Answered

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Which of the following statements are true?
A. An anti-node is a point on a standing wave that never moves.
B. A node is a point on a standing wave that never moves.
C. Since a standing wave does not move, it has a phase speed of v=0.
D. There must be an anti-node at a fixed boundary.
E. There must be a node at a free boundary.

Sagot :

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