1、 2017-2018 3 36 1 A 0.08m B 0.8m C 8m D 80m 2 A B C D 3 4 , , ( ) 5 A 5m/s B 2B 18cm C 1.5 m D 1mm 6 ( ) A B C D 7 A B C D 8 A B C D B 9 ( ) A B C D 10 11 2014 . A. B. C. D. 12 ( ) A B C D 1 24 13 14 _ _ 15 16 17 10min 3km km/h. 18 2min 300m m/s 10s _m/s. 19 _ _ 20 21 22 . 1 2 3 4 5 6 7 8 9 10 11 12
2、 23 _ _ ( ) _ _ 24 , 24 25 13 A B C 10 1 _ 2 _ 3 SAC _cm VAC _m/s 4 A VAC 26 . 4 . . . . 1 2 . 3 . 27 10 10m 8 16 28 200m 36km/h 6700m 29 20 m/s 2 s V 340 m/s 1 B 2 A 3 B 4 A , A ,B ,C ,D , A 5 B 6 B 7 D 8 D 9 A A A B B C C D D A 10 11 B A B C D . 12 B B 13 14 / m/s m s -1 15 16 17 , 18km/h 18 2.5 2.5 19 20 21 22 23 24 , 25 1 v=s/t (2) 3 10 0.03 4 26 27 1 2 3 4 28 690s 29 2 2 s 1 2
