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What is a longitudinal wave?

a. particles that travel in parallel to the direction of energy movement
b. particles that travel in a reverse direction to the direction of energy movement
c. particles that travel perpendicular to the direction of energy movement
d. particles that travel in an intersecting direction to the direction of energy movement

User Zebaz
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2 Answers

3 votes

Answer:

a

Step-by-step explanation:

i learned this last week in school.

User Nolk
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The answer is 'A', they travel parallel to the direction of motion
User Stefan Avramovic
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