1、 2015 2016 100 90 10 4 40 16 7 10 4 2 0 1 A B C D F E q Q C U F a m 2 E r 甲 r 乙 R R rr 甲 乙 R A R B C D R 3 M N A B C N D M N 4 P O P Q P Q O A B Q C Q D Q 5 m 1 F 1 v 3 v A 11 FvB v 2 1 1 2 m v F vC 1 1 3 v F vD 1 m F6 A 1 1 k J E 2 5 k J E B A B A 30 0B 37 0C 45 0D 60 07 2014 10 24 02 00 M R G A 2
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3、 1 AC 3A 2 AD 4. 0 1 RE 100 2 RF 10 3 RG 10 0 4 R 1 I U UI U I V A 5.6 4 U I A D E B C F G 2 D E 1 k 2 k 1.48V 1 k 2 k 1.23V E= V r 2 4 45 13 BKT 2008 1 22 2 2.5 / m s 40s 45 / km h 2 10 / gm s 1 60kg 2 14 O r A B m C O C 0 60 CD g 1 2 A 0 v D 15 O O OP L=1m P 30 P 3m/s 1kg A 9 p EJ OP 1 0.1 A B P B 2 3 3 A B A B 2 10 / g m s A 1 A B A 0 v 2 A B B 3 A B 16 AB A B A 0 v m e AB 01 k 2 0 0 6 m U e v B U 0 L d A B L/2 PQ AB 1 0-T L d 2 2 3 k 0-T B k 学科网 高考一轮复习微课 视频手机观看地址 :http:/xkw.so/wksp