string-80cm-long
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| A stone tied to the end of string 80 cm long is whirled in a horizontal circle |
|
1 | 465 | June 28, 2019 |
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| A stone tied to the end of string 80 cm long is whirled in a horizontal circle |
|
1 | 465 | June 28, 2019 |