1 |
2 |
vB2 |
R |
qE3 |
m |
1×10-5×0.004 |
4×10-7 |
2πm |
qB |
2π×4×10-7 |
1×10-5×0.08π |
1 |
2 |
1 |
2 |
mv |
qB |
4×10-7×1.1 |
1×10-5×0.08π |
1.1 |
2π |
1 |
2 |
1 |
2 |
mv3 |
qB |
4×10-7×1.2 |
1×10-5×0.08π |
1.2 |
2π |
d |
r3 |
T3 |
12 |
2πm |
12qB |
2π×4×10-7 |
12×1×10-5×0.08π |
1 |
12 |
1 |
12 |
37 |
12 |
37 |
12 |
| ||
3 |
m |
q |
|
A.速度相同 | B.向心加速度相同 |
C.对轨道的压力相等 | D.机械能相等 |
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