ÌâÄ¿ÄÚÈÝ

B£®£¨Ñ¡ÐÞÄ£¿é3-4£©
£¨1£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
 

A£®²´ËÉÁÁ°ßÓÐÁ¦µØÖ§³ÖÁ˹âµÄ΢Á£Ëµ£¬ÑîÊϸÉÉæʵÑéÓÐÁ¦µØÖ§³ÖÁ˹âµÄ²¨¶¯Ëµ£®
B£®´Ó½ÓÊÕµ½µÄ¸ßƵÐźÅÖл¹Ô­³öËùЯ´øµÄÉùÒô»òͼÏóÐźŵĹý³Ì³ÆΪ½âµ÷
C£®µ±²¨Ô´»òÕß½ÓÊÜÕßÏà¶ÔÓÚ½éÖÊÔ˶¯Ê±£¬½ÓÊÜÕ߻ᷢÏÖ²¨µÄƵÂÊ·¢ÉúÁ˱仯£¬ÕâÖÖÏÖÏó½Ð¶àÆÕÀÕЧӦ£®
D£®¿¼ÂÇÏà¶ÔÂÛЧӦ£¬Ò»ÌõÑØ×ÔÉí³¤¶È·½ÏòÔ˶¯µÄ¸Ë£¬Æ䳤¶È×ܱȸ˾²Ö¹Ê±µÄ³¤¶ÈС
£¨2£©ÈçͼËùʾ£¬Îª»Æ¹â¡¢À¶¹â·Ö±ðͨ¹ýͬһ¸ÉÉæ×°ÖÃÐγɵĸÉÉæÌõÎÆÖÐÐIJ¿·Ö£®Ôòͼ¼×Ϊ
 
²úÉúµÄ¸ÉÉæÌõÎÆ£¨Ñ¡Ìî¡°»Æ¹â¡±»ò¡°À¶¹â¡±£©£®Èô½«Á½ÖÖÑÕÉ«µÄ¹âÒÔͬÑùµÄÈëÉä½ÇÈëÉäµ½Á½ÖÖÎïÖʵĽéÃæÉÏ£¬Í¼¼×¶ÔÓ¦µÄÉ«¹â·¢ÉúÁËÈ«·´É䣬ÔòͼÒÒ¶ÔÓ¦µÄÉ«¹â
 
£¨Ñ¡Ìî¡°Ò»¶¨¡±¡¢¡°¿ÉÄÜ¡±»ò¡°²»¿ÉÄÜ¡±£©·¢ÉúÈ«·´É䣮
¾«Ó¢¼Ò½ÌÍø
£¨3£©Í¼ÖÐʵÏߺÍÐéÏß·Ö±ðÊÇxÖáÉÏ´«²¥µÄÒ»Áмòгºá²¨ÔÚt=0ºÍt=0.3sʱ¿ÌµÄ²¨ÐÎͼ£¬x=1.2m´¦µÄÖʵãÔÚt=0.3sʱ¿ÌÏòyÖáÕý·½ÏòÔ˶¯£®Çó£º
¢Ù²¨µÄ´«²¥·½ÏòºÍÖÜÆÚ£»
¢Ú²¨µÄ´«²¥²¨ËÙ£®
·ÖÎö£º£¨1£©±¾ÌâÓ¦ÕÆÎÕ²´ËÉÁÁ°ßÊDz¨µÄÑÜÉäÏÖÏó£¬Ö¤Ã÷¹â¾ßÓв¨¶¯ÐÔ£»ÖªµÀ½âµ÷µÄ¸ÅÄµ±²¨Ô´»òÕß½ÓÊÜÕß¾àÀë·¢Éú±ä»¯Ê±£¬²Å²úÉú¶àÆÕÀÕЧӦ£»ÖªµÀÏà¶ÔÂÛ³ßËõЧӦ£®
£¨2£©±¾Ìâ¸ù¾Ý¸ÉÉæÌõÎƵļä¾àÓ벨³¤³ÉÕý±È£¬»Æ¹âµÄ²¨³¤±ÈÀ¶¹â³¤È¥·ÖÎö£®
£¨3£©¢ÙÓÉt=0.3sʱ¿ÌÏòyÖáÕý·½ÏòÔ˶¯Åжϲ¨µÄ´«²¥·½Ïò£¬¸ù¾ÝÁ½¸öʱ¿ÌµÄ²¨ÐΣ¬µÃµ½ÖÜÆÚµÄͨÏ¢ÚÓɲ¨ËÙ¹«Ê½v=
¦Ë
T
Çó²¨ËÙ£®
½â´ð£º½â£º£¨1£©A¡¢²´ËÉÁÁ°ßÊDz¨µÄÑÜÉäÏÖÏó£¬Ö¤Ã÷¹â¾ßÓв¨¶¯ÐÔ£¬²´ËÉÁÁ°ßºÍÑîÊϸÉÉ涼ÓÐÁ¦µØÖ§³ÖÁ˹âµÄ²¨¶¯Ëµ£®¹ÊA´íÎó£®
B¡¢½âµ÷ÊÇ´Ó½ÓÊÕµ½µÄ¸ßƵÐźÅÖл¹Ô­³öËùЯ´øµÄÉùÒô»òͼÏóÐźŵĹý³Ì£®¹ÊBÕýÈ·£®
C¡¢µ±²¨Ô´»òÕß½ÓÊÜÕßÏ໥¿¿½ü»òÔ¶Àëʱ£¬½ÓÊÜÕ߻ᷢÏÖ²¨µÄƵÂÊ·¢ÉúÁ˱仯£¬ÕâÖÖÏÖÏó½Ð¶àÆÕÀÕЧӦ£®ÈôÁ½Õß¾àÀëûÓб仯£¬²»ÄܲúÉú¶àÆÕÀÕЧӦ£®¹ÊC´íÎó£®
D¡¢¸ù¾ÝÏà¶ÔÂÛЧӦ³ßËõЧӦµÃÖª£¬ÑØ×ÔÉí³¤¶È·½ÏòÔ˶¯µÄ¸Ë£¬Æ䳤¶È×ܱȸ˾²Ö¹Ê±µÄ³¤¶ÈС£®¹ÊDÕýÈ·£®
¹ÊÑ¡BD
£¨2£©¸ÉÉæÌõÎƵļä¾àÓ벨³¤³ÉÕý±È£¬»Æ¹âµÄ²¨³¤±ÈÀ¶¹â³¤£¬Ôò֪ͼ¼×ΪÀ¶¹â²úÉúµÄ¸ÉÉæÌõÎÆ£®
½éÖʶÔÀ¶¹âµÄÕÛÉäÂÊ´óÓڶԻƹâµÄÕÛÉäÂÊ£¬ÓÉÁÙ½ç½Ç¹«Ê½sinC=
1
n
Öª£¬À¶¹âµÄÁÙ½ç½ÇСÓڻƹâµÄÁÙ½ç½Ç£¬ÔòÈô½«Á½ÖÖÑÕÉ«µÄ¹âÒÔͬÑùµÄÈëÉä½ÇÈëÉäµ½Á½ÖÖÎïÖʵĽéÃæÉÏ£¬¼×ͼ¶ÔÓ¦µÄÀ¶¹â·¢ÉúÁËÈ«·´É䣬ÔòͼÒÒ¶ÔÓ¦µÄ»Æ¹â¿ÉÄÜ·¢ÉúÈ«·´É䣮
£¨3£©¢ÙÓÉÌâx=1.2m´¦µÄÖʵãÔÚt=0.3sʱ¿ÌÏòyÖáÕý·½ÏòÔ˶¯£¬²¨Ðν«ÏòÓÒƽÒÆ£¬¿ÉÖª²¨ÏòÓÒ´«²¥£®Ôòʱ¼ä¡÷t=£¨n+
3
4
£©T£¬£¨n=0£¬1£¬2£¬¡¢£©£¬ÔòµÃ
   ÖÜÆÚΪT=
4¡÷t
4n+3
=
1.2
4n+3
s£¬£¨n=0£¬1£¬2£¬¡¢£©£®
£¨2£©²¨ËÙΪv=
¦Ë
T
=£¨4n+3£©m/s£¬n=0£¬1£¬2£¬¡¢£¬ÒòΪnÊÇÕûÊý£¬
¹Ê´ð°¸Îª£º
£¨1£©BD £¨2£©À¶¹â£¬¿ÉÄÜ
£¨3£©¢Ù¸Ã²¨ÑØxÖáÕý·½ÏòÔ˶¯£¬ÖÜÆÚΪ
1.2
4n+3
s£¬£¨n=0£¬1£¬2£¬¡¢£©£®
  ¢Ú²¨ËÙvΪ=£¨4n+3£©m/s£¬n=0£¬1£¬2£¬
µãÆÀ£º±¾Ì⿼²éÓÉÁ½¸öʱ¿ÌµÄ²¨ÐÎÁгöͨÏîµÄÄÜÁ¦£®¿¼²éÔËÓÃÊýѧ֪ʶ½â¾öÎïÀíÎÊÌâÄÜÁ¦ÊǸ߿¼¿¼²éµÄÎå´óÄÜÁ¦Ö®Ò»£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
Ñ¡×öÌâ  
A£®£¨Ñ¡ÐÞÄ£¿é3-3£©

£¨1£©ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ
AC
AC

A£®ÓêˮûÓÐ͸¹ý²¼ÓêÉ¡ÊÇÒòΪҺÌå±íÃæ´æÔÚÕÅÁ¦
B£®·Ö×Ó¼äµÄ¾àÀërÔö´ó£¬·Ö×Ó¼äµÄ×÷ÓÃÁ¦×ö¸º¹¦£¬·Ö×ÓÊÆÄÜÔö´ó
C£®ÆøÌå×Ô·¢µØÀ©É¢Ô˶¯×ÜÊÇÑØ×Å·Ö×ÓÈÈÔ˶¯µÄÎÞÐòÐÔÔö´óµÄ·½Ïò½øÐÐ
D£®Ðü¸¡ÔÚÒºÌåÖеÄ΢Á£Ô½´ó£¬ÔÚijһ˲¼äײ»÷ËüµÄÒºÌå·Ö×ÓÊýÔ½¶à£¬²¼ÀÊÔ˶¯Ô½Ã÷ÏÔ
£¨2£©Ò»ÃܱÕÆøÌåÅòÕͶÔÍâ×ö¹¦150J£¬Í¬Ê±´ÓÍâ½çÎüÈÈ250J£¬ËüµÄÄÚÄܱ仯Ϊ
100
100
J£®
£¨3£©ÈçͼËùʾ£¬Ò»¶¨ÖÊÁ¿µÄÀíÏëÆøÌå±»»îÈûÃÜ·âÔÚÒ»¾øÈÈÈÝÆ÷ÖУ¬»îÈûÓëÈÝÆ÷±ÚÎÞĦ²Á£®µ±Î¶ÈΪT1ʱ£¬ÆøÌåѹǿΪP1£¬Ìå»ýΪV1£»ÈôζÈÉý¸ßµ½T2£¬ÆøÌåѹǿ±äΪP2£¬ÆøÌåµÄÌå»ý±äΪV2£¬ÔòP2
=
=
P1£¬V2
£¾
£¾
V1£¨Ìî¡°£¾¡±¡¢¡°=¡±»ò¡°£¼¡±£©£»ÈôÔÚ»îÈûÉÏ·ÅÖÃÒ»¶¨ÖÊÁ¿µÄÖØÎÎȶ¨ºóÆøÌåµÄѹǿ±äΪP3£¬Î¶ȱäΪT3£¬ÔòP3
£¾
£¾
P1£¬T3
£¾
£¾
T1£¨Ìî¡°£¾¡±¡¢¡°=¡±»ò¡°£¼¡±£©£®
B£®£¨Ñ¡ÐÞÄ£¿é3-4£©
£¨1£©Ïã¸ÛÖÐÎÄ´óѧµÚÈýÈÎУ³¤¸ßï¿ÈÙ»ñÁË2009Äêŵ±´¶ûÎïÀíѧ½±£®Åµ±´¶û½±Î¯Ô±»á¸ß¶ÈÆÀ¼ÛÁ˸ß￵űÏ×£¬ÆÀί»áÖ¸³ö£º¸ßï¿1966Äê·¢ÏÖÈçºÎͨ¹ý¹âѧ²£Á§ÏËάԶ¾àÀë´«Êä¹âÐźŵŤ×÷£¬³ÉΪ½ñÈյ绰ºÍ¸ßËÙ»¥ÁªÍøµÈÏÖ´úͨÐÅÍøÂçÔËÐеĻùʯ£®ÏÂÁйØÓÚ¡°¹âÏË¡±¼°Ô­ÀíµÄ˵·¨ÖУ¬ÕýÈ·µÄÊÇ
AD
AD

A£®¹âÏËͨОßÓд«ÊäÈÝÁ¿´ó¡¢Ë¥¼õС¡¢¿¹¸ÉÈÅÐÔÇ¿µÈÓŵã
B£®¹âÏËͨÐÅ¡¢È«Ï¢ÕÕÏà¡¢ÊýÂëÏà»ú¼°Ò½ÓÃÏËάʽÄÚ¿ú¾µ¶¼ÊÇÀûÓÃÁ˹âµÄÈ«·´ÉäÔ­Àí
C£®ÊµÓù⵼ÏËάÊÇÓÉÄÚоºÍÍâÌ×Á½²ã×é³É£®ÄÚоµÄÕÛÉäÂʱÈÍâÌ×µÄС£¬¹â´«²¥Ê±ÔÚÄÚоÓëÍâÌ׵ĽçÃæÉÏ·¢ÉúÈ«·´Éä
D£®µ±½ñ£¬ÔÚÐźŵĴ«ÊäÁìÓòÖУ¬¹âÏ˵çÀ£¨¡°¹âÀ¡±£©ÒѾ­¼¸ºõÍêÈ«È¡´úÁË´«Í³µÄÍ­ÖÊ¡°µçÀ¡±£¬³ÉΪ´«²¥ÐÅÏ¢µÄÖ÷Òª¹¤¾ß£¬ÊÇ»¥ÁªÍøµÄ¹Ç¼Ü£¬²¢ÒÑÁ¬½Óµ½ÆÕͨÉçÇø£®
£¨2£©ÈçͼËùʾ£¬Ò»µ¯»ÉÕñ×ÓÔÚMN¼äÑع⻬ˮƽ¸Ë×ö¼òгÔ˶¯£¬×ø±êÔ­µãOΪƽºâλÖã¬MN=8cm£®´ÓСÇò¾­¹ýͼÖÐNµãʱ¿ªÊ¼¼Æʱ£¬µ½µÚÒ»´Î¾­¹ýOµãµÄʱ¼äΪ0.2s£¬ÔòСÇòµÄÕñ¶¯ÖÜÆÚΪ
0.8
0.8
s£¬Õñ¶¯·½³ÌµÄ±í´ïʽΪx=
4cos
5¦Ð
2
t
4cos
5¦Ð
2
t
cm£»
£¨3£©ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ
D
D

A£®À×´ïÊÇÀûÓÃÉù²¨µÄ·´ÉäÀ´²â¶¨ÎïÌåµÄλÖÃ
B£®µ÷гÊǵç´Å²¨·¢ÉäµÄ¹ý³Ì£¬µ÷ÖÆÊǵç´Å²¨½ÓÊյĹý³Ì
C£®ÔÚË«·ì¸ÉÉæʵÑéÖУ¬Èô½ö½«ÈëÉä¹âÓÉÂ̹â¸ÄΪºì¹â£¬ÔòÏàÁÚ¸ÉÉæÌõÎƼä¾à±äÕ­
D£®¿¼ÂÇÏà¶ÔÂÛЧӦ£¬Ò»ÑØ×ÔÉí³¤¶È·½Ïò¸ßËÙÔ˶¯µÄ¸Ë³¤×ܱȾ²Ö¹Ê±µÄ¸Ë±ä¶Ì£®
£¨2010?ÄϾ©Ä£Ä⣩±¾Ìâ°üÀ¨A¡¢B¡¢CÈý¸öСÌ⣬ÇëÑ¡¶¨ÆäÖÐÁ½Ì⣬²¢ÔÚÏàÓ¦µÄ´ðÌâÇøÓòÄÚ×÷´ð£®ÈôÈýÌⶼ×ö£¬Ôò°´A¡¢BÁ½ÌâÆÀ·Ö£®
A£®£¨Ñ¡ÐÞÄ£¿é3-3£©
£¨1£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
A£®·Ö×Ó¼äµÄÒýÁ¦ºÍ³âÁ¦ÊDz»ÄÜͬʱ´æÔڵģ¬ÓÐÒýÁ¦¾Í²»»áÓгâÁ¦
B£®²¼ÀÊÔ˶¯¾ÍÊÇÒºÌå·Ö×ÓµÄÈÈÔ˶¯
C£®Ò»¶¨ÖÊÁ¿µÄÀíÏëÆøÌåµÄÄÚÄÜÖ»ÓëζÈÓйأ¬Î¶ÈÔ½¸ß£¬ÄÚÄÜÔ½´ó
D£®×ö¹¦ºÍÈÈ´«µÝÔڸıäÎïÌåÄÚÄÜÉÏÊǵÈЧµÄ
£¨2£©Ò»¶¨ÖÊÁ¿µÄÀíÏëÆøÌåµÄ״̬±ä»¯¹ý³ÌÈçͼËùʾ£¬Aµ½BÊǵÈѹ¹ý³Ì£¬Bµ½CÊǵÈÈݹý³Ì£¬ÔòAµ½B¹ý³ÌÖÐÆøÌåÊÇ
ÎüÈÈ
ÎüÈÈ
 £¨Ìî¡°ÎüÈÈ¡±»ò¡°·ÅÈÈ¡±£©¹ý³Ì£¬Bµ½C¹ý³ÌÖÐÆøÌåÄÚÄÜ
¼õС
¼õС
£¨Ìî¡°Ôö¼Ó¡±»ò¡°¼õÉÙ¡±£©£®

£¨3£©ÒÑÖª°¢·üÙ¤µÂÂÞ³£ÊýÊÇNA=6.0¡Á1023/mol£¬Í­µÄĦ¶ûÖÊÁ¿Îª6.4¡Á10-2kg/mol£¬Í­µÄÃܶÈÊÇ8.9¡Á103kg/m3£®ÊÔ¹ÀËã1¸öÍ­Ô­×ÓÕ¼ÓеÄÌå»ýΪ¶àÉÙ£¿£¨½á¹û±£Áô¶þλÓÐЧÊý×Ö£©

B£®£¨Ñ¡ÐÞÄ£¿é3-4£©
£¨1£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
A£®ÔÚ²¨µÄ´«²¥¹ý³ÌÖУ¬ÖʵãµÄÕñ¶¯ÆµÂʵÈÓÚ²¨Ô´µÄÕñ¶¯ÆµÂÊ£¬Õñ¶¯ËٶȵÈÓÚ²¨µÄ´«²¥ËÙ¶È
B£®°®Òò˹̹ÏÁÒåÏà¶ÔÂÛÖ¸³ö£¬Õæ¿ÕÖеĹâËÙÔÚ²»Í¬µÄ¹ßÐԲο¼ÏµÖж¼ÊÇÏàͬµÄ
C£®ÔÚ¹âµÄË«·ê¸ÉÉæʵÑéÖУ¬Èô½ö½«ÈëÉä¹âÓɺì¹â¸ÄΪÂ̹⣬Ôò¸ÉÉæÌõÎƼä¾à±ä¿í
D£®Ë®ÖеÄÆøÅÝ¿´ÆðÀ´ÌرðÃ÷ÁÁ£¬ÊÇÒòΪ¹â´ÓË®ÉäÏòÆøÅÝʱ£¬Ò»²¿·Ö¹âÔÚ½çÃæÉÏ·¢ÉúÁËÈ«·´ÉäµÄÔµ¹Ê
£¨2£©Ä³½éÖÊÖУ¬x=0´¦µÄÖʵãÔÚt=0ʱ¿Ì¿ªÊ¼Õñ¶¯£¬²úÉúµÄ²¨ÑØxÖáÕý·½Ïò´«²¥£¬t=0.3sʱ¿Ì²¨µÄͼÏóÈçͼËùʾ£¬Öʵãb¸ÕºÃ¿ªÊ¼Õñ¶¯£¬Ôò´ËʱÖʵãaµÄÕñ¶¯·½ÏòΪÑØyÖá
¸º
¸º
·½Ïò£¨Ìî¡°Õý¡±»ò¡°¸º¡±£©£¬²¨ÔÚ½éÖÊÖд«²¥µÄËÙ¶ÈΪ
40m/s
40m/s
£®

£¨3£©ÈçͼËùʾ£¬Ö±½ÇÈýÀâ¾µÕÛÉäÂÊΪ
2
£¬¡ÏB=30¡ã£¬Ò»Êøµ¥É«¹â´¹Ö±ÓÚACÃæÉäÏòÀâ¾µ£¬ÈëÉäµãΪO£¬ÊÔ»­³ö¹âÔÚÀâ¾µÖд«²¥µÄ¹â·ͼ£¬²¢Çó³ö¹âÉä³öÀ⾵ʱÕÛÉä½Ç£®£¨²»¿¼ÂÇBCÃæ¶Ô¹âÏߵķ´É䣩

C£®£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©ÈÕ±¾¸£µººËµçվй©Ê¹ÊÖÐÊͷųö´óÁ¿µÄµâ131£¬µâ131ÊÇ·ÅÉäÐÔͬλËØ£¬Ë¥±äʱ»á·¢³ö¦ÂÉäÏßÓë¦ÃÉäÏߣ¬µâ131±»ÈËÉãÈëºó£¬»áΣº¦ÉíÌ彡¿µ£¬ÓÉ´ËÒýÆðÁËÈ«ÊÀ½çµÄ¹Ø×¢£®ÏÂÃæ¹ØÓں˷øÉäµÄÏà¹Ø֪ʶ£¬Ëµ·¨ÕýÈ·µÄÊÇ
A£®ÈËÀàÎÞ·¨Í¨¹ý¸Ä±äÍⲿ»·¾³À´¸Ä±äµâ131Ë¥±äµÄ¿ìÂý
B£®µâ131µÄ°ëË¥ÆÚΪ8.3Ì죬Ôò4¸öµâÔ­×Ӻ˾­16.6Ììºó¾ÍÒ»¶¨Ê£ÏÂÒ»¸öÔ­×ÓºË
C£®¦ÂÉäÏßÓë¦ÃÉäÏ߶¼Êǵç´Å²¨£¬µ«¦ÃÉäÏß´©Í¸±¾Áì±È¦ÂÉäÏßÇ¿
D£®µâ131·¢Éú¦ÂË¥±äʱËùÊͷŵĵç×ÓÊÇÔ­×ÓºËÄÚµÄÖÐ×Óת»¯ÎªÖÊ×Óʱ²úÉúµÄ
£¨2£©ÔÚ¹âµçЧӦÏÖÏóÖУ¬Èôij½ðÊôµÄ½ØÖ¹²¨³¤Îª¦Ë0£¬ÒÑÖªÕæ¿ÕÖеĹâËÙºÍÆÕÀʿ˳£Á¿·Ö±ðΪcºÍh£¬¸Ã½ðÊôµÄÒݳö¹¦Îª
h
c
¦Ë0
h
c
¦Ë0
£®ÈôÓò¨³¤Îª¦Ë£¨¦Ë£¼¦Ë0£©µ¥É«¹â×öʵÑ飬Ôò¹âµç×ÓµÄ×î´ó³õ¶¯ÄÜΪ
h
c
¦Ë
-h
c
¦Ë0
h
c
¦Ë
-h
c
¦Ë0
£®
£¨3£©Ôڹ⻬ˮƽÃæÉÏ£¬ÖÊÁ¿Îª1.5kgµÄ»¬¿éAÒÔ2.0m/sµÄËÙ¶Èײ»÷ÖÊÁ¿Îª9.0kgµÄ¾²Ö¹»¬¿éB£¬×²»÷ºó»¬¿éBµÄËÙ¶ÈΪ0.5m/s£¬Ç󻬿éAÅöºóµÄËٶȴóСºÍ·½Ïò£®
Ñ¡×öÌ⣨Çë´ÓA¡¢BºÍCÈýСÌâÖÐÑ¡¶¨Á½Ð¡Ìâ×÷´ð£¬²¢ÔÚ´ðÌ⿨ÉÏ°ÑËùÑ¡ÌâÄ¿¶ÔÓ¦×ÖĸºóµÄ·½¿òÍ¿ÂúÍ¿ºÚ£¬È綼×÷´ðÔò°´A¡¢BÁ½Ð¡ÌâÆÀ·Ö£®£©
12A¡¢£¨Ñ¡ÐÞÄ£¿é3-3£©
£¨1£©ÏÂÁÐÐðÊöÖÐÕýÈ·µÄÊÇ
 

A¡¢Ò»¶¨ÖÊÁ¿µÄÆøÌåѹǿԽ´ó£¬Ôò·Ö×ÓµÄƽ¾ù¶¯ÄÜÔ½´ó
B¡¢·Ö×Ó¼äµÄ¾àÀërÔö´ó£¬·Ö×Ó¼äµÄ×÷ÓÃÁ¦×ö¸º¹¦£¬·Ö×ÓÊÆÄÜÔö´ó
C¡¢´ïµ½ÈÈƽºâµÄϵͳÄÚ²¿¸÷´¦¶¼¾ßÓÐÏàͬµÄζÈ
D¡¢Ðü¸¡ÔÚÒºÌåÖеÄ΢Á£Ô½´ó£¬ÔÚijһ˲¼äײ»÷ËüµÄÒºÌå·Ö×ÓÊýÔ½¶à£¬²¼ÀÊÔ˶¯Ô½Ã÷ÏÔ¾«Ó¢¼Ò½ÌÍø
£¨2£©ÈôÒ»¶¨ÖÊÁ¿µÄÀíÏëÆøÌå·Ö±ð°´Í¼ËùʾµÄÈýÖÖ²»Í¬¹ý³Ì±ä»¯£¬ÆäÖбíʾµÈÈݱ仯µÄÊÇ
 
£¨Ìî¡°a¡úb¡°¡¢¡°b¡úc¡°»ò¡°c¡úd¡ä¡¯£©£¬¸Ã¹ý³ÌÖÐÆøÌå
 
£¨Ìî¡°ÎüÈÈ¡±¡¢¡°·ÅÈÈ¡±»ò¡°²»ÎüÈÈÒ²²»·ÅÈÈ¡±£©£®
£¨3£©ÒÑ֪DZˮԱÔÚ°¶ÉϺͺ£µ×ÎüÈë¿ÕÆøµÄÃܶȷֱðΪ1.3kg/m3ºÍ2.1kg/m3£¬¿ÕÆøµÄĦ¶ûÖÊÁ¿Îª0.029kg/mol£¬°¢·üÙ¤µÂÂÞ³£ÊýNA=6.02¡Á1023mol-1£®ÈôDZˮԱºôÎüÒ»´ÎÎüÈë2L¿ÕÆø£¬ÊÔ¹ÀËãDZˮԱÔÚº£µ×±ÈÔÚ°¶ÉÏÿºôÎüÒ»´Î¶àÎüÈë¿ÕÆøµÄ·Ö×ÓÊý£®£¨½á¹û±£ÁôһλÓÐЧÊý×Ö£©
B¡¢£¨Ñ¡ÐÞÄ£¿é3-4£©
£¨1£©ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ
 

A¡¢ÔÚ¹âµÄË«·ì¸ÉÉæʵÑéÖУ¬Èô½ö½«ÈëÉä¹âÓÉÂ̹â¸ÄΪºì¹â£¬Ôò¸ÉÉæÌõÎƼä¾à±ä¿í
B¡¢µ÷гÊǵç´Å²¨·¢Éä¹ý³ÌÖеÄÒ»²½Öè
C¡¢Á½ÁÐË®²¨·¢Éú¸ÉÉæʱ£¬Èç¹ûÁ½Áв¨µÄ²¨·åÔÚPµãÏàÓö£¬ÖʵãPµÄλÒÆʼÖÕ×î´ó
D¡¢³¬ÉùÒÇÆ÷ʹÓó¬Éù²¨¶ø²»ÓÃÆÕͨÉù²¨£¬ÊÇÒòΪ³¬Éù²¨²»Ò×·¢ÉúÑÜÉä
£¨2£©Èçͼ¼×Ëùʾ£¬ÏÖÓÐÒ»Êø°×¹â´ÓͼʾλÖÃÉäÏòÀâ¾µ¦©£¬ÔÚ×ã¹»´óµÄ¹âÆÁMÉÏÐγɲÊÉ«¹âÆ×£¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ
 

¾«Ó¢¼Ò½ÌÍøA¡¢ÆÁM×ÔÉ϶øÏ·ֲ¼µÄÉ«¹âµÄ²¨³¤ÓÉСµ½´ó
B¡¢ÔÚ¸÷ÖÖÉ«¹âÖУ¬ºì¹âͨ¹ýÀ⾵ʱ¼ä×
C¡¢ÈôÈëÉä°×¹âÈÆÈëÉäµã˳ʱÕëÐýת£¬ÔÚÆÁMÉÏ×îÏÈÏûʧµÄÊÇ×Ϲâ
D¡¢ÈôÔÚÀâ¾µ¦©ºÍÆÁM¼ä·ÅÖÃÓ릩ÍêÈ«ÏàͬµÄÀâ¾µ¢ò£¬Ïà¶ÔÃæƽÐУ¨ÈçͼÒÒËùʾ£©£¬ÔòÔÚÆÁMÉÏÐγɵÄÊDzÊÉ«¹âÆ×
£¨3£©Èçͼ£¬ÖʵãOÔÚ´¹Ö±xÖá·½ÏòÉÏ×ö¼òгÔ˶¯£¬ÐγÉÁËÑØxÖáÕý·½Ïò´«²¥µÄºá²¨£®ÔÚt=0ʱ¿ÌÖʵãO¿ªÊ¼ÑØY·½ÏòÔ˶¯£¬¾­0.4sµÚÒ»´ÎÐγÉͼʾ²¨ÐΣ¬ÔòÇó¸Ã¼òг²¨²¨ËÙºÍx=5m´¦µÄÖʵãBÔÚt=1.8sʱ¼äÄÚͨ¹ýµÄ·³Ì£®
¾«Ó¢¼Ò½ÌÍø
C¡¢£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©ÏÂÁÐËÄ·ùͼÉæ¼°µ½²»Í¬µÄÎïÀí֪ʶ£¬ÆäÖÐ˵·¨ÕýÈ·µÄÊÇ
 

¾«Ó¢¼Ò½ÌÍø
A¡¢Í¼¼×£ºÆÕÀÊ¿Ëͨ¹ýÑо¿ºÚÌå·øÉäÌá³öÄÜÁ¿×ӵĸÅÄ³ÉΪÁ¿×ÓÁ¦Ñ§µÄµì»ùÈËÖ®Ò»
B¡¢Í¼ÒÒ£º²£¶ûÀíÂÛÖ¸³öÇâÔ­×ÓÄܼ¶ÊÇ·ÖÁ¢µÄ£¬ËùÒÔÔ­×Ó·¢Éä¹â×ÓµÄƵÂÊÒ²ÊDz»Á¬ÐøµÄ
C¡¢Í¼±û£ºÂ¬Éª¸£Í¨¹ý·ÖÎö¦ÁÁ£×ÓÉ¢ÉäʵÑé½á¹û£¬·¢ÏÖÁËÖÊ×ÓºÍÖÐ×Ó
D¡¢Í¼¶¡£º¸ù¾Ýµç×ÓÊøͨ¹ýÂÁ²­ºóµÄÑÜÉäͼÑù£¬¿ÉÒÔ˵Ã÷µç×Ó¾ßÓÐÁ£×ÓÐÔ
£¨2£©Ò»µã¹âÔ´ÒÔ¹¦ÂÊPÏòÍâ·¢³ö²¨³¤Îª¦ËµÄµ¥É«¹â£¬ÒÑÖªÆÕÀʿ˺ãÁ¿Îªh£¬¹âËÙΪc£¬Ôò´Ë¹âԴÿÃëÖÓ·¢³öµÄ¹â×ÓÊýΪ
 
¸ö£¬ÈôijÖÖ½ðÊôÒݳö¹¦ÎªW£¬Óô˹âÕÕÉäijÖÖ½ðÊôʱÒݳöµÄ¹âµç×ÓµÄ×î´ó³õ¶¯ÄÜΪ
 
£®
£¨3£©Ôڹ⻬µÄˮƽÃæÉÏÓмס¢ÒÒÁ½¸öÎïÌå·¢ÉúÕýÅö£¬ÒÑÖª¼×µÄÖÊÁ¿Îª1kg£¬ÒÒµÄÖÊÁ¿Îª3kg£¬ÅöÇ°ÅöºóµÄλÒÆʱ¼äͼÏóÈçͼËùʾ£¬ÅöºóÒÒµÄͼÏóû»­£¬ÔòÇóÅöºóÒÒµÄËٶȣ¬²¢ÔÚͼÉϲ¹ÉÏÅöºóÒÒµÄͼÏó
¾«Ó¢¼Ò½ÌÍø
£¨Çë´ÓA¡¢BºÍCÈýСÌâÖÐÑ¡¶¨Á½Ð¡Ìâ×÷´ð£¬²¢ÔÚ´ðÌ⿨ÏàÓ¦µÄ´ðÌâÇøÓòÄÚ×÷´ð£¬È綼×÷´ðÔò°´A¡¢BÁ½Ð¡ÌâÆÀ·Ö£®£©
A£®£¨Ñ¡ÐÞÄ£¿é3-3£©
£¨1£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
 

A£®²¼ÀÊÔ˶¯ÊÇÒºÌå·Ö×ÓµÄÎÞ¹æÔòÔ˶¯
B£®ÎïÌåµÄζÈÉý¸ßʱ£¬Æä·Ö×Óƽ¾ù¶¯ÄÜÔö´ó
C£®·Ö×Ó¼ä¾àÀëÖð½¥Ôö´óʱ£¬·Ö×ÓÊÆÄÜÖð½¥¼õС
D£®·Ö×Ó¼ä¾àÀëÔö´óʱ£¬·Ö×Ó¼äµÄÒýÁ¦¡¢³âÁ¦¶¼¼õС
£¨2£©¿ÕÆøѹËõ»úÔÚÒ»´ÎѹËõ¹ý³ÌÖУ¬»îÈû¶ÔÆø¸×ÖеÄÆøÌå×ö¹¦Îª2.0¡Á105 J£¬Í¬Ê±ÆøÌå·Å³öÈÈÁ¿Îª5.0¡Á104J£®Ôڴ˹ý³ÌÖУ¬¸ÃÆøÌåµÄÄÚÄÜ
 
£¨Ñ¡Ìî¡°Ôö¼Ó¡±»ò¡°¼õÉÙ¡±£©ÁË
 
J£®
£¨3£©¿Õµ÷ÔÚÖÆÀä¹ý³ÌÖУ¬ÊÒÄÚ¿ÕÆøÖеÄË®ÕôÆø½Ó´¥Õô·¢Æ÷£¨Í­¹Ü£©Òº»¯³ÉË®£¬¾­ÅÅË®¹ÜÅÅ×ߣ¬¿ÕÆøÖÐË®·ÝÔ½À´Ô½ÉÙ£¬ÈË»á¸Ð¾õ¸ÉÔij¿Õµ÷¹¤×÷Ò»¶Îʱ¼äºó£¬ÅųöÒº»¯Ë®µÄÌå»ýV=1.0¡Á103 cm3£®ÒÑ֪ˮµÄÃܶȦÑ=1.0¡Á103 kg/m3¡¢Ä¦¶ûÖÊÁ¿M=1.8¡Á10-2 kg/mol£¬°¢·üÙ¤µÂÂÞ³£ÊýNA=6.0¡Á1023mol-1£®ÊÔÇ󣺣¨½á¹û¾ù±£ÁôһλÓÐЧÊý×Ö£©
¢Ù¸ÃÒº»¯Ë®Öк¬ÓÐË®·Ö×ÓµÄ×ÜÊýN=
 
£»
¢ÚÒ»¸öË®·Ö×ÓµÄÖ±¾¶d=
 
£®
B£®£¨Ñ¡ÐÞÄ£¿é3-4£©
£¨1£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
 

A£®XÉäÏßµÄƵÂʱÈÎÞÏߵ粨µÄƵÂʸß
B£®ÓÃͬһװÖù۲ì¹âµÄË«·ì¸ÉÉæÏÖÏó£¬À¶¹âµÄÏàÁÚÌõÎƼä¾à±Èºì¹âµÄС
C£®¸ù¾ÝÏÁÒåÏà¶ÔÂÛ£¬µØÃæÉϵÄÈË¿´µ½¸ßËÙÔËÐеÄÁгµ±È¾²Ö¹Ê±±ä¶ÌÇÒ°«
D£®×ö¼òгÔ˶¯µÄµ¥°Ú°Ú³¤Ôö´óΪԭÀ´µÄ2±¶£¬ÆäÖÜÆÚÒ²Ôö´óΪԭÀ´µÄ2±¶
£¨2£©Ò»Áмòгºá²¨ÔÚt=0ʱµÄ²¨ÐÎͼÈçͼ1Ëùʾ£®½éÖÊÖÐ
x=3m´¦µÄÖʵãPÑØyÖá·½Ïò×ö¼òгÔ˶¯µÄ±í´ïʽ
Ϊy=5sin£¨5¦Ðt£©cm£®Ôò´Ë²¨ÑØxÖá
 
£¨Ñ¡Ìî¡°Õý¡±»ò¡°¸º¡±£©·½Ïò´«²¥£¬´«²¥ËÙ¶ÈΪ
 
m/s£®
£¨3£©Èçͼ2Ëùʾ£¬ÕÛÉäÂÊn=
2
µÄ°ëÔ²Ðβ£Á§×©ÖÃÓÚ¹âÆÁMNµÄÉÏ·½£¬ÆäƽÃæABµ½MNµÄ¾àÀëΪh=10cm£®Ò»Êøµ¥É«¹âÑØͼʾ·½ÏòÉäÏòÔ²ÐÄO£¬¾­²£Á§×©ºóÉäµ½¹âÆÁÉϵÄO¡äµã£®ÏÖʹ²£Á§×©ÈÆÔ²ÐÄOµã˳ʱÕëת¶¯£¬¹âÆÁÉϵĹâµã½«ÏòÄĸö·½ÏòÒƶ¯£¿¹âµãÀëO¡äµã×îÔ¶ÊǶàÉÙ£¿
 

C£®£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
 

A£®¹âµçЧӦÏÖÏó½ÒʾÁ˹â¾ßÓÐÁ£×ÓÐÔ
B£®Òõ¼«ÉäÏߵı¾ÖÊÊǸßƵµç´Å²¨
C£®²£¶ûÌá³öµÄÔ­×ÓÄ£ÐÍ£¬·ñ¶¨Áˬɪ¸£µÄÔ­×ÓºËʽ½á¹¹Ñ§Ëµ
D£®±´¿ËÀÕ¶û·¢ÏÖÁËÌìÈ»·ÅÉäÏÖÏ󣬽ÒʾÁËÔ­×ÓºËÄÚ²¿Óи´Ôӽṹ
£¨2£©Èçͼ3ËùʾΪÇâÔ­×ÓµÄÄܼ¶Ê¾Òâͼ£®ÏÖÓÃÄÜÁ¿½éÓÚ10eV-12.9eV·¶Î§ÄڵĹâ×ÓÈ¥ÕÕÉäһȺ´¦ÓÚ»ù̬µÄÇâÔ­×Ó£¬ÔòÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
 

A£®ÕÕÉä¹âÖÐÖ»ÓÐÒ»ÖÖƵÂʵĹâ×Ó±»ÎüÊÕ
B£®ÕÕÉä¹âÖÐÓÐÈýÖÖƵÂʵĹâ×Ó±»ÎüÊÕ
C£®ÇâÔ­×Ó·¢Éä³öÈýÖÖ²»Í¬²¨³¤µÄ¹â
D£®ÇâÔ­×Ó·¢Éä³öÁùÖÖ²»Í¬²¨³¤µÄ¹â
£¨3£©ÊÒÄÚ×°ÐÞÎÛȾËÄ´óÓк¦ÆøÌåÊDZ½ÏµÎï¡¢¼×È©¡¢°±ÆøºÍë±£®ë±´æÔÚÓÚ½¨ÖþË®Äà¡¢¿óÔüש¡¢×°ÊÎʯ²Ä¼°ÍÁÈÀÖУ®ë±¿´²»µ½£¬Ðá²»µ½£¬¼´Ê¹ÔÚë±Å¨¶ÈºÜ¸ßµÄ»·¾³ÀÈËÃǶÔËüÒ²ºÁÎ޸оõ£®ë±½øÈëÈ˵ĺôÎüϵͳÄÜÓÕ·¢·Î°©£¬ÊdzýÎüÑÌÍâµ¼Ö·ΰ©µÄµÚ¶þ´óÒòËØ£®¾²Ö¹µÄ뱺Ë86222Rn·Å³öijÖÖÁ£×Óxºó±ä³ÉîǺË84218Po£¬Á£×ÓxµÄ¶¯ÄÜΪEk1£¬ÈôË¥±ä·Å³öµÄÄÜÁ¿È«²¿±ä³ÉîǺ˺ÍÁ£×ÓxµÄ¶¯ÄÜ£®ÊԻشðÒÔÏÂÎÊÌ⣺
¢Ùд³öÉÏÊöË¥±äµÄºË·´Ó¦·½³Ì£¨ÇëÓÃÎïÀíѧÉϹ涨µÄ·ûºÅ±íʾÁ£×Óx£©
 
£»
¢ÚÇóîǺ˵Ķ¯ÄÜEk2
 
£®
¾«Ó¢¼Ò½ÌÍø

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø