2
.
1.:(A).(B).(C).(D).
2. (A)(B)(C)(D)
(D)(B)(C)(A)L3.L
4.AA/2x[ ]
(A)(B)(C)(D)5.
6. (A) (B) (C) (D)
7.I0P1P2I0/4P1P2(A)30.(B)45.(C)60.(D)90.
8.(A)(B)(C)(D)
9.n=3(A)(B)(C)(D)
1.0.002s10A12A400VL= .
2.Xu=100m/st=0= A= =
3.xxTA 1t=0x=0x= 2t=0x=A/2x=
4.
6.n
7.i0
8.50cm2.4108m.s-1
9.A1 0= |Ua|=
1.ABABCD1ABCDvt2I=I0sint(I0, ABCD t
2.C t=0 1U 2tid(
t(s)3.u=5m/sxo(1)225m3t=3.0s
4.5000=58961km (2)30km
5.EK=7M0c2,M0
.1.(C)2.(B)3.(A)4.(B)5.(B)6.(A)7.(B)8.(D)9.(C)
1.:(A).(B).(C).(D).
2. (A)(B)(C)(D)
(D)(B)(C)(A)L3.L
4.AA/2x[ ]
(A)(B)(C)(D)5.
6. (A) (B) (C) (D)
7.I0P1P2I0/4P1P2(A)30.(B)45.(C)60.(D)90.
8.(A)(B)(C)(D)
9.n=3(A)(B)(C)(D)
1.0.002s10A12A400VL= .0.4H
2.Xu=100m/st=0= A= = 0.8m0.2m125Hz
3.xxTA 1t=0x=0x= 2t=0x=A/2x=
4.
6.n
7.i0
8.50cm2.4108m.s-1 0.075m3
9.A1 0= |Ua|=
1.ABABCD1ABCDvt2I=I0sint(I0, ABCD t:(1)
2
2.C t=0 1U 2tid(12
t(s)3.u=5m/sxo(1)225m3t=3.0s1
(2) 25m
(3)t=3.0s
4.5000=58961km (2)30km
1km230km
5.EK=7M0c2,M0v0
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