bullet-loses-120th
Topic | Replies | Views | Activity | |
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A rifle bullet loses 1/20th of its velocity in passing through a plank | 1 | 528 | July 12, 2019 |
Topic | Replies | Views | Activity | |
---|---|---|---|---|
A rifle bullet loses 1/20th of its velocity in passing through a plank | 1 | 528 | July 12, 2019 |