bullet-loses-120th
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| A rifle bullet loses 1/20th of its velocity in passing through a plank |
|
1 | 535 | July 12, 2019 |
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| A rifle bullet loses 1/20th of its velocity in passing through a plank |
|
1 | 535 | July 12, 2019 |