A.
| B.3m/s | C.13m/s | D.27m/s |
1 |
8 |
8t |
8n+1 |
8 |
8n+1 |
λ |
T |
λ |
T |
1 |
3 |
A.0.60 m | B.0.20 m | C.0.12 m | D.0.086 m |
A. | B. | C. | D. |
A.t=0.15s时,质点Q的加速度达到正向最大 |
B.t=0.15s时,质点P的运动方向沿y轴负方向 |
C.从t=0.10s到t=0.25s,该波沿x轴正方向传播了6 m |
D.从t=0.10s到t=0.25s,质点P通过的路程为30 cm |
A.6m/s | B.10m/s | C.12m/s | D.150m/s |
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