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trasher [3.6K]
3 years ago
10

This is the material in which a mechanical wave travels.

Physics
2 answers:
Lemur [1.5K]3 years ago
6 0
Medium is the material in which a mechanical wave travels.
n200080 [17]3 years ago
6 0

medium medium  medium

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A 500. gram sample of nickle-63 has a half-life of 100. years and has decayed for 500. years. How much of the original 500. gram
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