(物理试卷10份合?广西桂林?018-2019学年高一上学期期末物理试卷含答案 - 百度文库

ݷʱ : 2024/12/27 21:15:57һ µȫĶ

СҪƽĦ D.ʵͨͰıСܵ E. ʵӦ СȻٿʱĵԴ

4ijͬѧʵóݣ aF ͼͼʾô ͬѧʵгֵǣ A.ʵĦûƽ

B.ʵĦƽ C.СD.ʵС仯

Ͱ

⣨⹲ 3 С⣬ÿС 34 ֡ӦдҪ˵ʽҪ㲽裮ֻ д𰸵IJ ÷ֵ֡⣬бȷдֵ͵λ 3 1510 ֣ͼʾһΪ 2.010kg ƽֱ·ʻ

3

Ϊ f = 2.510N ұֹΪ 80 kw

( l )˶ܴﵽ ٶȣ ( 2 )ٶΪ 5m/s

ʻ ʱļٶ a

216(12 )ϸ A C B CһΪ 10kg ˮƽļнͼʾ(g 10m/s). (1) A C B CܵС.

(2) A C B CֱΪ 100N 150NԷһ ȶϣʱΪ.

17(12 )ͼʾƽ AB Ϊ 37oб B AB 5m 1kg F

5N ˮƽ A Ӿֹʼ˶ B ʱȥ F彫ع⻬б B ʲ䣩֪2ˮƽĻĦΪ 0.25ȡ g=10m/s,

sin37=0.6 cos37=0.8

1˶ B ٶ

2б˶ʱ䡣

һѧĩ

һѡѡ(⹲ 12 С⣬ÿС 4 ֣ 48 ֡ÿСĸѡУ 1~8 ֻһ

ĿҪ󣬵 9~12 жĿҪȫѡԵĵ 4 ֣ѡԵȫ 2 ֣ѡĵ 0 ֡) 1D 2C

ʵ⣨⹲ 2 С⣬ÿո 2 ֣ 18 ֡

13 (1)жȡ FFF1 2 ʱӦ 1F2 ķ(2)ڡСӡ򡱣(3)Сʹ ġͬΪƤ3C 4 D

5B 6B 7D 8B 9BD 10BD 11BD 12BD

ϸߵĽ O㡱

2

14 (1)0.85m/s5m/s (2) BA

(3) AD (4) B

⣨⹲ 3 С⣬ÿС 34 ֡ӦдҪ˵ʽҪ㲽裮ֻ д𰸵IJܵ÷ֵ֡⣬бȷдֵ λ һѧĩģ

һѡ⣨⹲ 12 С⣬ÿС 4 ֣ 48 ֡ÿСĸѡУ 1

8 ֻһĿҪ󣬵 912 жĿҪȫѡԵĵ 4 ֣ѡԵ

ȫĵ 2 ֣ѡĵ 0 ֣ 1鵥λУһеĸλǹʵλеĻλ( AmNs Bmkgs CkgJs )

DmkgN

2ͼʾ̶бһ⻬Сһֱᵯ P һƽбᵯ Q ţСھֹ״̬С˵ȷǣ A. Сб֮һе B. ᵯ P һ

е

C. ᵯ Q ܴѹ״̬ D. ֻܵ 4

3ڹԣ˵ȷǣ Aֹûйԣ˶й BĹԣСй CʻʻIJͣٶȴ D崦ȫʧ״̬Ĺʧ 4.˵ȷǣ

A. ϳˮƽ·ֱ߼˶ϳϳ B. УΪѹ֧ C. ֱסһƿʹ֮־ֹ״̬յԽƿܵĦԽ D. ˶Աʱ֧Եѹ 5.й˶ȷǣ Aֱ˶У˶·λƵĴСһ Bļٶ𽥼С˶ٶһС CٶΪ㣬ٶһΪ DٶȼСԽٶһԽС

6. ͼʾ֦ˮƽļнΪΪ G ţ֦ У֦ţСΪ A. G

B.С G

C. Gsin

D. Gcos

7.ڿ˶壬ܵĿһٶȵ󡣹ڸ߿ɡ ˵ȷǣ

Aɡ򿪺ڼ½̣кԳصĸо Bɡ򿪺̣ڳʧ Cɡǰٶȵ󣬿Ҳ󣬼ٶȼСʧ

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