Sound and waves problem, HELP! (1 Viewer)

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1. The problem statement, all variables and given/known data

you and your best friend are wearing pressurized space suits, floating listlessly in space outside the international space station. your communicators have broken down and you, knowing that sound waves require a medium, you think of a way to communicate verbally with your best friend using sound. explain how you did this.

2. Relevant equations

n/a

3. The attempt at a solution

i would assume you have to use a solid to communicate but i'm not sure how it would work
 
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You touch your helmets together and speak loudly. You want to have as much surface area contacting as possible, so if the helmets are nearly spherical it might not work.
 

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