Seudónimo Seudónimo

16-04-2017
Chemistry

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You are exploring in a cave and call out to one of your friends. You hear your echo. Which interaction of sound (reflection, refraction or absorption) caused the echo and how did the sound waves move?

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16-04-2017

Reflection. The sound waves bounced off of the walls and it came back to you.

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Agboalun Agboalun

17-04-2017

It is an interaction, in the main character of mechanical waves.

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