1、 16 1 (2016 ) ( A ) 2 ( D ) A B C D 3 (2016 ) ( B ) A B C D 4 (2016 ) ( A ) A B C D 5 (2016 ) 0.5 kg c 3J/ )( C ) A 4.2 10 4J B 1.26 10 4J C 8.4 10 4J D 8.4 10 7J 6 (2016 ) ( C ) A B C D 7 (2016 ) (a) (b) ( B ) A B C D ,( 7 ) ,( 8 ) 8 (2016 ) ( D ) A B C D 9 (2016 ) A B ( D ) A B C D 2 min 3 min 10
2、(2016 ) _ _ _ _ _ _ 11 (2016 ) 20 N 5 kg s t _20_N 44% 10 s _0.001_ c 3 J/ 12 _ _ ( ) _ _ _ _( 13 A _2.58_cm B _ _ C _ _ D _ _ ,A) ,B) ,C) ,D) 14 _ _( 2 min _ _( _ 3 _J/ 15 (2016 ) 400 V 40 kW (1) _ _ _ _ (2) (3) 10 L 0.7 3kg/m 3 q 7J/kg (4) 370 m 2 s 340 m/s (2)I P U 4 10 4W 400 V 100 A (3) W 3.6 10 6J 7J m V 3kg/m 3 10 10 3m 3 7 kg Q mq 7J/kg 3.22 10 8J (4) v 2 s 2 1 s v 1 s 370 m v 30 m/s
