重庆市2018-2019学年巴蜀中学高一上学期期末考试物理试题

1 2021 4 48 1-8 9-12 1 A B C D 2 A B C D 3 1:2 A B A B 1:2 C A B 1:2 D A B 2:1 4 F1 F2 F3 F 45° (F3 F1 F2 ) A 0 B 2F3 C 2F3 D 2 2F3 5 m=1kg M=3kg F 1=0.1 2=0.3 g=10m/s2 A B F 4N C 3N D 1N 2 6 20m 2s 2s ( ) A 3m/s2 B 4m/s2 C 5m/s2 D 6m/s2 7 t=0 F t A t2 t3 B t2 C t3 D t1 t2 8 A B C D 9 A B C D 10 A 0~6s 1s B 2s C 4s 2m D 2s 6s 11 m1 k m2 3 x A B , a=gtan C D x=m1gtan/k 12 OA O A A B BO F A A A A B A C A D F ( 15 ) 13 (6 ) a A B C “ ” (1) ( ) A B C) (2) , m x m-x b 10m/s2 N/m 14 (9 ) “ ” 50Hz 4 (1) AB=7.65cm BC=10.17m m/s2 ( 2 ) (2) F a a-F (3) ( ”) ( “ ” “ ”) (4) (2) ( B C ) k M= ( 37 ) 15 (10 ) v0=3m/s v=5m/s g=10m/s2 (1) (2) . 16 (12 ) M 30° ; m 30° (1) (2) 5 17 (15 ) M=4kg t=0 v0=6m/s m=2kg ( ) 0~1s v-t g=10m/s2 (1) 1 2 (2) ? (3) t=1s ), L 6 1-5CADBC 6-8CAB 9AC 10CD 11BD 12BC