| 2s1 |
| v |
| 2s1 |
| 340m/s |
| 2×s2 |
| V |
| 2×(950m-s1) |
| V |
| 2×(950m-s1) |
| 340m/s |
| 2s1 |
| 340m/s |
| 2s1 |
| v |
| 2s1 |
| 340m/s |
| 2×s2 |
| V |
| 2×(950m-s1) |
| V |
| 2×(950m-s1) |
| 340m/s |
| 2s1 |
| 340m/s |
(2013·大庆)根据图中所给A、B两物体s-t图象,判断对应的v-t图象哪个是正确的( )
| s |
| t |