ݷʱ : 2024/12/26 6:21:29һ µȫĶ
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1ӳõķɷ ɡ 2ƵĹֱָƵ_____________________________________ 3УӼ֮һ̫Ƴͨסͨ˨ʱ_______________ӻ˫ͷӡ
4ʵ֮________̶Դתء 5˨ǿʱ__________Ƶʱо
6һǿʱɲƽǶΪ_______________
7ͨƽڴŤأĹ_____________________ 8ШĹΪ______________________________________ 9ӵ_________________________
10ͨƽӵҪʧЧʽ ƽӵҪʧЧʽ
11_________ӼȿڴŤأֿɳܵغɣƻ챵Ķԡ ѡ
1ԤF'Fõ˨Ϊ______ A.F0=F'+F B.F0=F+F'' C.F0=F'+F''
2Ƶ____________________ǹֱ
A. B.С C.о D.ֶԲֱ
3ͬһֱĴϸƣ______________
A.ǰ߱Ⱥߺ B.һ C.߱ǰߺ D.
4ƼʱĽߴͨ__________________ѡȡ
A.תصĴС B.ݹʵĴС C.챵ij D.ֱ 5ШӵҪȱ______________________
A.бӹ B.װ C.Шв D.Բ
6ӵ_________________________
A. B. C. D.ߣҲܽ
7ͨƽӵҪ;ʹ֮_______________
A.̶ B.Իе C.̶ת D.װж 8ijҪǸ____________ѡ
A.תصĴС B.챵ij C.ֱ D.ǿ 9У_________ڿɲӡ
A. B.ӯ C. D.í 10Ҫڴ________
A. B. C. D.ת 11ļ_______
A.ƽ B.Ш C. D.Բ 12Сļ_______
A.ƽ B.Ш C. D.Բ ж
1ƽϡǹ棬ԶܽϺá 2ШǿIJġ 3ƵСΪֱ
4˫ͷڳݶڲ 5ƵĴǹֱ
6Ӽ֮һܺ辭װʱѡ˫ͷӡ 7Ӵݽϴغʱýݶӡ
8ʹÿֹƬԪзøĦɡ 9ШͨҪϸеijϡ
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1ͼʾĵͨ˨УӼܺغ?ĦϵΪ?ɿϵΪ??д˨ԤF?ıʽ
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2ͼʾΪƿ˨ӣ֪ӼܺغRҲͬд ˨ӵļѹӦʽעʽиŴ塣
3HT200Ƴɵһͼʾnͨ˨ӣĦתTNm˨ԲֱD0mmĦϵΪfɿϵΪKд˨ԤF@ıʽ
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1ƽVҪ ˶Ͷ
AĽ BʹֽӴĦ CԤ 2Уv1ΪԲٶȣv2ΪӶԲٶȣvΪ٣Щٶ֮ڵĹϵ
Av1=v2=v Bv1vv2 Cv1v v2 Dv1=vv2 3ʱܱ֤ȷĴΪ AIJϲϻ˶ Bױκĥ Cڴϴ DĵԻ 4ʱԻΪ
AԤ BĽߺɱ Cƹʱ DʹּĦ 5УÿתһܣӦ
Aйɱ仯 B Cɱ仯 6УСΪ֣Ӧڴ A BӶ C˳ D˳Ӷ 7ʱ,ΪF1,ɱΪF2,v10m/s غɴﵽֵʼδʱF1F2ıֵΪ
AF1/ F2 0 BF1/ F2 1 CF1/ F2=efa D1F1/ F2efa 8VУСֵСֱҪΪ
Aʹṹ BӦ C֤ʹֽӴ㹻Ħ DСϵİ 9ŽװõĿ
AĵԻ Bߴ Cı˶ DڴԤ 10ص֮һ
Aȴ BС Cľ DľС