3 |
2π r1 |
T |
2π (2L) |
T |
4πL |
T |
4πL |
T |
2π |
T |
16π2mL |
T2 |
f′ |
mg |
8
| ||
gT2 |
16π2mL |
T2 |
8
| ||
gT2 |
16π2mL |
T2 |
3 |
2π |
T |
3 |
12π2mL |
T2 |
|
20π2mL |
T2 |
20π2mL |
T2 |
A.角速度的大小关系为ωa=ωc>ωb |
B.向心加速度的大小关系为aa>ab>ac |
C.线速度的大小关系为va=vb>vc |
D.周期关系为Ta=Tc>Tb |
A.4m/s | B.5m/s | C.6m/s | D.7m/s |
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