????????????????????�?????????...

admin

?????????2016??????????????

?????A

??????

? ? ? ? 2016.1

?????I????????II????????????6????100??????90???

?I? ???? ?40??

?????

1.??I????????????????????????????????????? 2.??????????????????????????????????????????????????????????

3.???????????????????????

?????????10??????4????????????????1~6?????????????7~10?????????????????4?????????2???????0??

1.??1??????????????????????????????????????????????????????2???a?b????

A.??t=0????????????? B.??a????????????15cos50?tV C.??a?b??????????3:2 D.??b????????????10V

2.????????????????????????????????????????????????A??B???C?????????

A.???????

B.A?????C???

C.???A???????C????

D.???A?B??????????B?C??????? 3.????????????????????v-t?????????????????????????????????t1????????????t2???????????????????????

A.t=0????????? B.t2???????????

C.t1~t3???????????????? D.t3?????????

4.????????a?b???????A?????B????????????????????????????????????????va:vb?

A.1:1

B.1:2

D.2:1

C.2:1

5.???????????r?????????????????m??????????????R????????g??????????????g0??????????????????N???????????????????????g0?N??????

A.g0=g

B.

Rg

g0?2

r2

C.N=mgD.N=mg0

6.??????????????????a?b?c?????m?a?c?????????????????F???b?????????

??????a?c???????T?a?b??????f????????????????a???????????a?b?c???????????????T?f

????

??

A.T???f??

B.T???f??

C.T???f??

D.T???f??

7.???????????????????????????????????f?????v????????????????????????v??v????????m?>m???????????

A.???????? B.???? v?<v? C.???? v?>v?

D.????????????????Wf?>Wf?

8.??????A??????????B????F??????A??F??????A?B???????F??????????

A.??B?????? B.??B?A??? C.???A?????? D.F???B????????

9.???A?B?????????????????A???????????B?C????????????????k????????C???????????A????4m?B?C?????m???????g????????????

????????A???????????????????????????????????????????????????A??A????????????C????????????????

A.?????=30� B.A??????

2m

5k

C.C???????B??????

D.???A?C??????????A?B?????????????

10.??????????S????????????P

????????????

?????????????????????????????????I??U1??U2?

?U3

????????? A.B.C.D.

?U2??U3

?U2?I

?? ?? ??

?U3?I?U1?I

?II?????? ?60??

???????????????????11?~?15???????????????????16~18??????????????

????????48??

11.?4???????????????????�???????????�??????????????????????????????L=48.0cm?A?B???????????????????A?B?????

?1?????????????? ??????????? A.???????????????? B.??????????????????????

C.??????????????????

D.???????????????????????????

E.????????????????????

?2?????????????????????vB2?vA2???????????

???????????????a= ????5????????? m/s2?????????????

?3???a?F?????????? ???�???????�?�???????�?????

12.?9?????????????????3V????????????????????????30??

??????????

A.???A1????0?200mA???RA1??2?? B.???A2????50mA???RA2=10?? C.????R1=10? D.????R2=50?

E.?????R?0~20????

F.???V????15V???RV?3k?? G.???E?????4V?????? H.??S??

?1????????????????????????????????? ?????????????

?2?????????????????

?3?????????????????Rx= ???????????????????

13.?10????????????????????BCD????O???R=0.45m????????AB???0.45m?????????????B?????m=0.2kg?????A?????????????F=7.4N????AB???????B?????F???????????????D???0.1s???A?????????AB????????=0.1?????????g=10m/s2???

?1??????????C??????????? ?2???F?????B????

14.?12????ab?cd???m=0.1kg???L=0.5m???R=0.3?

????????

34

??????????2016?????3?????(???)

2016????�????�????

????????

???

?????????8???????6????????????????14?17??

????????????19?21??????????????????6????????3??????0??

14????O?????P??????????????????????????AB?

???CD????????????????????A?B????tAB????B?A??C?D??D?C??????tBA?tCD?tDC??????????

A.tAB> tBA B.tAB < tBA

C.tCD > tDC

D.tCD < tDC

15??????????????????????????F??????????????????????????

A???????????????? B????????????????????? C??F???????????????

D??F???????????????

16???????????R.A.Millikan??20??????????????????

????????????????????????????d??????A?B???????????????A?????????????????????????????????????U???????????????????????????????????????????????????????????????????v??????????????????????k???????g???????????????

kvdU

vdgB?q? kU

kvC?q? Ud

vgD?q?kUd A?q?

17???????????????????????????????????????

1

???????????????????????????????????????????????????

18????????????????m=2kg??????x??????????????t=0x/????????????x???????

??????????????????????????????

2

A??????????????????1m/s

B?t=4s?????x=4m? 2�s-2 C?t=4s???????2m/s ? D??0~4s?????????????2J

19???????????????????B???????????MNPQ?????

????????NQ?????MN??l1?NP??????????????????R?t=0A?????????????????

B????????????????

C

???????????????????????2Bl1l2? 2Bl1l2 R

D??????????????????B2l12l22?

2R??????????

20??????????v0??????????????????????M?????

??????????2v0??????????????????????N??????????

A???M?N???????1:2 B???M?N???????1:1 C?M?N??????????????1:2

D???N??????????

21???????R???????????????????

??????B?M?????????????????

q????m????????????????????????????M??????????????????????????????????????????1????????? 4

BqR mA????M??????????v?

B????M??????????v?2BqR 2m

C??????????????2B?????????????????

D??????????????2B?????????????????2 22 3

???

??????????????????????22???32???????????

????????33???40???????????????

?????? ??129??

22.?6??

?????????????�??????�???????????

A????????????????????????????????????? B???????????????????A????????????????????

????????????????????1

??????2??????v1?v2? C???????????????????

??A?B????

???????

?1????????????????????

????????________(?�?�?�?�)?

?2????????????????????

???________?

A?????????m B????????

C?????????lD??????M

?3??????????????????????___________________???????

?g?

23.?9??

?????????????????RT????????????3V???RV?10k????????0.5 A???RA=4.0??R?????

I/A

3

?1? ??????????????????????????????????????????????????????U1???????I???????R??I-U????????U1?I?????????????????????????????????????????????????c??? ???�a�?�b�???

?2????1??????????????????????U2?U2????????U1?I?R?RA???

?3????????2????????????U2??U2?I???????I-U?????????????????????????????E=V???? r=??

?4??????????????6?????????????P= W???????????

24.?14??

????L?????????????????????????????????????????????A??????v0??????????????????????????????v0? 4

L

?1????????????????????????

?2?????????????1v0??????????????4

????

?3?????????????????????????????

?????????????????

25.?18??

???MN?PQ?????????????????????L= 1m??????OO?????????????????????????????B1= 1T????????????????B2=2T????????????????a?b?????m=0.1kg??????????????=0.2???????????R=1??????a?b???????????????????F=0.8N???b????a????OO??????b????OO???????????????????????????????????g

2?10m/s?

?1?a????????b???????

2?2??b??????1.5m/s???a????????

4

?3?????????????b?????????????????????????????a?????????

B B

????????45???????? 3?????3?????2?????????

??????2B??????????????????????????????????????????????????????????????????????????????????????????

33. [??�??3�3]

?15??

?1??5?????????????????? ????????????l??2????2??4????3??5?????1??3???????0??

A???????????????????????

B???????????????????????????????

C??????????????????????

D??????????????????

E????????????????????????

?2??10???????????????????????????????L=4cm????????????????????h=5cm

?????????????????????????????????????????760mmHg?????T=300K?

?i????????H?

?ii???????????????????????h=5cm????????T??????????????

34. [??�??3�4]?15??

?1??5?????????x???????v=4m/s????????x?0???????????????t=0.45s???????????????????? ????????????l??2????2??4????3??5?????1??3??

????????????2015????????????(5??)

?????????2015?2015??????????5???

?????

1????????????????????????????????????????????????????????( )

A????????????????????????????

B???????????????????????????????????????

C?????????????????????????????????????

D????????????????????????????

2????????????????????A?B?????????????????????????????????????????????F?????B?????????????????????A??????????????

( )

A????F????

B??????A????????

C??????A????????

D????????????????

3???????2?26???????2013?????40????????????????????????????????????????????????????????????????????????v?t????????????????

( )

A?0?10s??????????????

B?0?10s????????????????????

C?10s?15s?????????????????????

D?10s?15s??????????

4???????????????????????????????B????????????????????x???????a??y????????????a?????????????????????????????????????????????????????i???????x?????????

( )

A?

B?

C?

D?

??????????3??????????????????????????????????????6?????????3???????0??

5??????????????????????????????????????????????????E???r??????????R1?R2?R3?R4=4?3?2?1?????RL=R1?R1?r???????????????????

( )

A??????????????????????????????

B???????????????????????????????

C?????????????????????????????

D??????????????????????????????????

6??????????????????????m???????????????????????????????????A????????????h???????????????????????????????????????????

( )

A?????????????????????????????

B??????????????????????????

C????????????????????????????

D?????????????????????mgh

7?????????????????????????????????????????????K??????G????????????????????????????K????????????????????????????( )

A?????????????????????

B????????????

C???????????

D?????????????????????

??????

8?????????????????????�?????????�?????????????????????????????????????????????????????????????????????????L?A?B???????????????????A?B?????????????????

?1??????????

??????????????????M????????????????????????????????????????

??????C??????__________??�?�?�?�?????????????????????????????A?B?????

??????????????????????

?2?????????????|v1?v2|??????????????????????????????E?F????????????W?F?A?B????????????E3=__________?W3=__________????????????? 22


?????????????????????�?????????...????????
?????http://www.850500.com/news/66859.html
?????,??!