题目列表(包括答案和解析)
| 1 |
| 2 |
| d |
| △t |
| 1 |
| 2 |
| d |
| △t |
| 1 |
| 2 |
| d |
| △t |
| 1 |
| 2 |
| d |
| △t |
| d |
| △t1 |
| d |
| △t1 |
| d |
| △t2 |
| d |
| △t2 |
(
| ||||
| 2s |
(
| ||||
| 2s |
| d |
| △t1 |
| d |
| △t1 |
| d |
| △t2 |
| d |
| △t2 |
(
| ||||
| 2x |
(
| ||||
| 2x |
| m(g) | a(m/s2) |
| 250 | 2.02 |
| 300 | 1.65 |
| 350 | 1.33 |
| 400 | 1.25 |
| 500 | 1.00 |
| 800 | 0.63 |
| d |
| △t1 |
| d |
| △t1 |
| d |
| △t2 |
| d |
| △t2 |
| ||||
| 2s |
| ||||
| 2s |
| m(g) | a(m/s2) |
| 250 | 2.02 |
| 300 | 1.65 |
| 350 | 1.43 |
| 400 | 1.25 |
| 500 | 1.00 |
| 800 | 0.63 |
| 1 |
| m |
| 1 |
| m |
| 1 |
| m |
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