ÌâÄ¿ÄÚÈÝ

£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©ÏÂÁÐÏ໥×÷ÓõĹý³ÌÖУ¬¿ÉÒÔÈÏΪϵͳ¶¯Á¿ÊغãµÄÊÇ
 

¾«Ó¢¼Ò½ÌÍø
£¨2£©±±¾©Ê±¼ä2011Äê3ÔÂ11ÈÕÔÚÈÕ±¾º£Óò·¢ÉúÇ¿ÁÒµØÕð£¬Ç¿ÕðÒý·¢Á˸£µººËµçվΣ»ú£®ÏÂÁйØÓÚºËÁѱäºÍºË·øÉäµÄ·½³ÌÖÐÊéдÕýÈ·µÄÊÇ
 

A£®
 
235
92
U
+
 
1
0
n
¡ú
 
141
56
Ba
+
 
92
36
Kr
+10
 
1
0
n

B£®
 
239
94
Pu
¡ú
 
235
92
U
+
 
4
2
He

C£®
 
137
55
Cs
¡ú
 
137
56
Ba
+
 
0
-1
e

D£®
 
131
53
I
¡ú
 
131
54
Xe
+
 
0
-1
e

£¨3£©ÒÑÖªÖÐ×ÓµÄÖÊÁ¿mn£¬ÖÊ×ÓµÄÖÊÁ¿mp£¬aÁ£×ÓµÄÖÊÁ¿ma£¬Õæ¿ÕÖеĹâËÙΪc£®ÇóaÁ£×ӵıȽáºÏÄÜ£®
·ÖÎö£º£¨1£©¶¯Á¿ÊغãµÄÌõ¼þÊÇϵͳËùÊܵĺÏÍâÁ¦ÎªÁ㣬»òÄÚÁ¦Ô¶´óÓÚÍâÁ¦£¬ÍâÁ¦¿ÉºöÂÔ²»¼Æ£¬¸ù¾ÝÕâ¸öÌõ¼þ¶¯Á¿ÊÇ·ñÊغãÅжϣ®
£¨2£©¸ù¾ÝÖÊÁ¿ÊýÊغãºÍµçºÉÊýÊغ㣬¼ì²éºË·´Ó¦·½³ÌÊÇ·ñÕýÈ·£®
£¨3£©Á½¸öÖÐ×ÓºÍÁ½¸öÖÊ×Ó½áºÏ³É¦ÁÁ£×Ó£¬¸ù¾Ý°®Òò˹̹ÖÊÄÜ·½³ÌÇó³ö½áºÏÄÜ£¬ÔÙ³ýÒÔºË×ÓÊý£¬µÃµ½¦ÁÁ£×ӵıȽáºÏÄÜ£®
½â´ð£º½â£º£¨1£©A¡¢»¬ÂÖÄк¢ÍÆ»¬ÂÖÅ®º¢¹ý³Ì£¬Á½È˼°»¬ÂÖ×é³ÉµÄϵͳËùÊܵÄĦ²ÁÁ¦ºÜС£¬¿ÉºöÂÔ²»¼Æ£¬¶¯Á¿Êغ㣮¹ÊAÕýÈ·£®
B¡¢×Óµ¯»÷´©Ãæ·Û´üµÄ˲¼ä£¬Ãæ·ÛËùÊܵÄĦ²ÁÁ¦ºÜ´ó£¬²»ÄܺöÂÔ£¬ÏµÍ³µÄ¶¯Á¿²»Êغ㣮¹ÊB´íÎó£®
C¡¢ÈËÔÚÌ«¿Õ²ÕÍâ·¢Éä×Óµ¯£¬È˺ÍÌ«¿Õ²ÕËùÊܵÄÖØÁ¦ºÜС£¬¿ÉÒÔºöÂÔ²»¼Æ£®¶¯Á¿Êغ㣮¹ÊCÕýÈ·£®
D¡¢Á½Á¾Æû³µÏàײʱËùÊܵĵØÃæµÄĦ²ÁÁ¦ºÜ´ó£¬²»ÄܺöÂÔ£¬¶¯Á¿²»Êغ㣮¹ÊD´íÎó£®
¹ÊÑ¡AC
£¨2£©A¡¢·´Ó¦ÎïµÄÖÊÁ¿ÊýÖ®ºÍΪ235+1=236£¬¶øÉú³ÉÎïÌåÖÊÁ¿ÊýÖ®ºÍΪ141+92+10=263£¬ÖÊÁ¿Êý²»Êغ㣮¹ÊA´íÎó£®
B¡¢C¡¢D¸ù¾ÝÖÊÁ¿ÊýÊغãºÍµçºÉÊýÊغãµÃÖª£¬BCD¾ùÕýÈ·£®
¹ÊÑ¡BCD
£¨3£©ºË×Ó½áºÏ³É¦ÁÁ£×ÓʱÖÊÁ¿¿÷ËðΪ¡÷m=£¨2mn+2mP£©-m¦Á
¸ù¾Ý°®Òò˹̹ÖÊÄÜ·½³ÌµÃ¡÷E=¡÷mc2           
¦ÁÁ£×ӵıȽáºÏÄÜΪ£º
¡÷E
N
=
(2mn+2mP-m¦Á)c2
4

´ð£º£¨1£©AC£»
£¨2£©BCD
£¨3£©¦ÁÁ£×ӵıȽáºÏÄÜΪ
(2mn+2mP-m¦Á)c2
4
£®
µãÆÀ£º±¾ÌâÊÇÑ¡ÐÞÄ£¿é3-5ÄÚÈÝ£¬Åж϶¯Á¿Êغ㡢ÊéдºË·´Ó¦·½³Ì¡¢°®Òò˹̹ÖÊÄÜ·½³ÌµÈµÈ¶¼ÊÇ¿¼ÊÔµÄÈȵ㣬Ҫ¼Óǿѧϰ£¬²»ÔÚ»ù´¡ÌâÉÏʧ·Ö£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
BD
BD

A£®ÌÀÄ·Éú·¢ÏÖÁ˵ç×Ó£¬±íÃ÷Ô­×Ó¾ßÓкËʽ½á¹¹
B£®Ì«Ñô·øÉäµÄÄÜÁ¿Ö÷ÒªÀ´×ÔÌ«ÑôÄÚ²¿µÄÈȺ˷´Ó¦
C£®Ò»Êø¹âÕÕÉ䵽ijÖÖ½ðÊôÉϲ»ÄÜ·¢Éú¹âµçЧӦ£¬ÊÇÒòΪ¸ÃÊø¹âµÄ²¨³¤Ì«¶Ì
D£®½«·ÅÉäÐÔÔªËزôÔÓµ½ÆäËüÎȶ¨ÔªËØÖУ¬²¢½µµÍÆäζȣ¬ËüµÄ°ëË¥ÆÚ²»·¢Éú¸Ä±ä
£¨2£©±±¾©Ê±¼ä2011Äê3ÔÂ11ÈÕÔÚÈÕ±¾º£Óò·¢ÉúÇ¿ÁÒµØÕ𣬲¢Òý·¢Á˸£µººËµçÕ¾²úÉú´óÁ¿µÄºË·øÉ䣬¾­Ñо¿£¬ÆäÖк˷øÉäµÄÓ°Ïì×î´óµÄÊÇï¤137£¨
 
137
55
Cs£©£¬¿É¹ã·ºÉ¢²¼µ½¼¸°Ù¹«ÀïÖ®Í⣬ÇÒ°ëË¥ÆÚ´óÔ¼ÊÇ30Äê×óÓÒ£©£®Çëд³öï¤137·¢Éú¦ÂË¥±äµÄºË·´Ó¦·½³Ì£º
55137 Cs¡ú56137Ba+-10e
55137 Cs¡ú56137Ba+-10e
£®Èç¹ûÔڸ÷´Ó¦¹ý³ÌÖÐÊͷŵĺËÄÜΪE£¬Ôò¸Ã·´Ó¦¹ý³ÌÖÐÖÊÁ¿¿÷ËðΪ
E
c2
E
c2
£®£¨ÒÑÖªµâ£¨I£©Îª53ºÅÔªËØ£¬±µ£¨Ba£©Îª56ºÅÔªËØ£©
£¨3£©Èçͼ¼×Ëùʾ£¬¹â»¬Ë®Æ½ÃæÉÏÓÐA¡¢BÁ½Îï¿é£¬ÒÑÖªAÎï¿éµÄÖÊÁ¿mA=1kg£®³õʼʱ¿ÌB¾²Ö¹£¬AÒÔÒ»¶¨µÄ³õËÙ¶ÈÏòÓÒÔ˶¯£¬Ö®ºóÓëB·¢ÉúÅöײ²¢Ò»ÆðÔ˶¯£¬ËüÃǵÄλÒÆ-ʱ¼äͼÏóÈçͼÒÒËùʾ£¨¹æ¶¨ÏòÓÒΪλÒƵÄÕý·½Ïò£©£¬ÔòÎïÌåBµÄÖÊÁ¿Îª¶àÉÙ£¿
£¨2011?½­ËÕһģ£©£¨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˵·¨ÖÐÕýÈ·µÄÊÇ
C
C

A£®µ±·Ö×Ó¼äµÄ¾àÀëÔö´óʱ£¬·Ö×Ó¼äµÄÒýÁ¦±ä´ó¶ø³âÁ¦±äС
B£®²¼ÀÊÔ˶¯·´Ó³ÁËÐü¸¡ÔÚÒºÌåÖйÌÌå¿ÅÁ£·Ö×ÓµÄÎÞ¹æÔòÔ˶¯
C£®ÆøÌå¶ÔÆ÷±ÚµÄѹǿÊÇÓÉ´óÁ¿ÆøÌå·Ö×Ó¶ÔÆ÷±ÚƵ·±Åöײ¶ø²úÉúµÄ
D£®Ëæ×ŵÍμ¼ÊõµÄ·¢Õ¹£¬ÎÒÃÇ¿ÉÒÔʹζÈÖð½¥½µµÍ£¬²¢×îÖÕ´ïµ½¾ø¶ÔÁã¶È
£¨2£©Ò»¶¨ÖÊÁ¿µÄijÖÖÀíÏëÆøÌå·Ö±ð¾­Àúͼ1ËùʾµÄÈýÖֱ仯¹ý³Ì£¬ÆäÖбíʾµÈѹ±ä»¯µÄÊÇ
C
C
£¨Ñ¡Ìîͼ1ÖÐA¡¢B»òC£©£¬¸Ã¹ý³ÌÖÐÆøÌåµÄÄÚÄÜ
Ôö¼Ó
Ôö¼Ó
£¨Ñ¡Ìî¡°Ôö¼Ó¡±¡¢¡°¼õÉÙ¡±»ò¡°²»±ä¡±£©£®
£¨3£©ÔÚÒ»¸ö´óÆøѹÏ£¬1gË®ÔÚ·ÐÌÚʱÎüÊÕÁË2260JµÄÈÈÁ¿ºó±ä³ÉͬζȵÄË®ÕôÆû£¬¶ÔÍâ×öÁË170JµÄ¹¦£¬°¢·üÙ¤µÂÂÞ³£ÊýNA=6.0¡Á1023mol-1£¬Ë®µÄĦ¶ûÖÊÁ¿M=18g/mol£®Ôò
¢ÙË®µÄ·Ö×Ó×ÜÊÆÄܱ仯ÁË
2090
2090
J£»
¢Ú1gË®Ëùº¬µÄ·Ö×ÓÊýΪ
3.3¡Á1022
3.3¡Á1022
£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©£®w w w£®ks5u£®c om
B£®£¨Ñ¡ÐÞÄ£¿é3-4£©
£¨1£©¹ØÓÚÉù²¨ºÍ¹â²¨£¬ÒÔÏÂÐðÊöÕýÈ·µÄÊÇ
BC
BC

A£®Éù²¨ºÍ¹â²¨¾ùΪºá²¨
B£®Éù²¨ºÍ¹â²¨¶¼ÄÜ·¢Éú¸ÉÉæ¡¢ÑÜÉäÏÖÏó
C£®²¨ËÙ¡¢²¨³¤ºÍƵÂʵĹØϵʽv=¦Ëf£¬¼ÈÊÊÓÃÓÚÉù²¨Ò²ÊÊÓÃÓڹⲨ
D£®Í¬Ò»ÁÐÉù²¨ÔÚ²»Í¬½éÖÊÖд«²¥ËٶȲ»Í¬£¬¹â²¨ÔÚ²»Í¬½éÖÊÖд«²¥ËÙ¶ÈÏàͬ
£¨2£©Ò»¸ù³¤Éþ×ó¶ËλÓÚƽÃæÖ±½Ç×ø±êϵµÄOµã£¬t=0ʱijͬѧʹÉþ×ÓµÄ×ó¶Ë¿ªÊ¼×ö¼òгÔ˶¯£¬t=1sʱÐγÉÈçͼ2Ëùʾ²¨ÐΣ®Ôò¸Ã²¨µÄÖÜÆÚT=
4
4
s£¬´«²¥ËÙ¶Èv=
1
1
m/s£®
£¨3£©Èçͼ3ËùʾΪֱ½ÇÈýÀâ¾µµÄ½ØÃæͼ£¬Ò»Ìõ¹âÏßƽÐÐÓÚ BC±ßÈëÉ䣬¾­Àâ¾µÕÛÉäºó´ÓAC±ßÉä³ö£®ÒÑÖª¡ÏA=¦È=60¡ã£¬¸ÃÀâ¾µ²ÄÁϵÄÕÛÉäÂÊΪ
3
3
£»¹âÔÚÀâ¾µÖеĴ«²¥ËÙ¶ÈΪ
3
3
c
3
3
c
£¨ÒÑÖª¹âÔÚÕæ¿ÕÖеĴ«²¥ËÙ¶ÈΪc£©£®
C£®£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©ÔÚÏÂÁк˷´Ó¦·½³ÌÖУ¬x´ú±íÖÊ×ӵķ½³ÌÊÇ
BC
BC

A£®1327Al+24He¡ú1530P+x
B£®714N+24He¡ú817O+x
C£®12H+¦Ã¡ú01n+x
D£®13H+x¡ú24He+01n
£¨2£©µ±¾ßÓÐ5.0eVÄÜÁ¿µÄ¹â×ÓÕÕÉ䵽ij½ðÊô±íÃæºó£¬´Ó½ðÊô±íÃæÒݳöµÄ¹âµç×ÓµÄ×î´ó³õ¶¯ÄÜÊÇ1.5eV£®ÎªÁËʹ¸Ã½ðÊô²úÉú¹âµçЧӦ£¬ÈëÉä¹â×ÓµÄ×îµÍÄÜÁ¿Îª
B
B

A£®1.5eV         B£®3.5eV 8һ̨¼¤¹âÆ÷·¢¹â¹¦ÂÊΪP0£¬·¢³öµÄ¼¤¹âÔÚÕæ¿ÕÖв¨³¤Îª¦Ë£¬Õæ¿ÕÖеĹâËÙΪc£¬ÆÕÀʿ˳£Á¿Îªh£¬Ôòÿһ¸ö¹â×ӵĶ¯Á¿Îª
h
¦Ë
h
¦Ë
£»¸Ã¼¤¹âÆ÷ÔÚtÃëÄÚ·øÉäµÄ¹â×ÓÊýΪ
P0¦Ët
hc
P0¦Ët
hc
£®
C£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©º¤Ô­×Ó±»µçÀëÒ»¸öºËÍâµç×Ó£¬ÐγÉÀàÇâ½á¹¹µÄº¤Àë×Ó£®ÒÑÖª»ù̬µÄº¤Àë×ÓÄÜÁ¿ÎªE1=-54.4eV£¬º¤Àë×ÓÄܼ¶µÄʾÒâͼÈçͼ1Ëùʾ£®ÔÚ¾ßÓÐÏÂÁÐÄÜÁ¿µÄ¹â×ÓÖУ¬²»Äܱ»»ù̬º¤Àë×ÓÎüÊÕµÄÊÇ
C
C

A£®60.3eV          B£® 51.0eV
C£®43.2eV          D£®54.4eV
£¨2£©Ò»¸ö¾²Ö¹µÄ
 
266
88
Ra£¬·Å³öÒ»¸öËÙ¶ÈΪ2.22¡Á107m/sµÄÁ£×Ó£¬Í¬Ê±²úÉúÒ»¸öкË
 
222
86
Rn£¬²¢ÊͷųöƵÂÊΪ¦Í=3¡Á1019HzµÄ¦Ã¹â×Ó£®Ð´³öÕâÖֺ˷´Ó¦·½³Ìʽ
 
226
88
Ra
¡ú
 
222
86
Rn
+
4
2
He
£®
 
226
88
Ra
¡ú
 
222
86
Rn
+
4
2
He
£®
£»Õâ¸öºË·´Ó¦ÖвúÉúµÄк˵ÄËÙ¶ÈΪ
4¡Á105m/s
4¡Á105m/s
£»Òò¦Ã·øÉä¶øÒýÆðµÄÖÊÁ¿¿÷ËðΪ
2.21¡Á10-31kg
2.21¡Á10-31kg
£®£¨ÒÑÖªÆÕÀʿ˳£Á¿h=6.63¡Á10-34J?s£©

£¨3£©Èçͼ2£¬»¬¿éA¡¢BµÄÖÊÁ¿·Ö±ðΪm1Óëm2£¬m1£¼m2£¬ÖÃÓڹ⻬ˮƽÃæÉÏ£¬ÓÉÇáÖʵ¯»ÉÏàÁ¬½Ó£¬ÓÃÒ»ÇáÉþ°ÑÁ½»¬¿éÀ­ÖÁ×î½ü£¬µ¯»É´¦ÓÚ×î´óѹËõ״̬ºó°ó½ô£¬½Ó×ÅʹÁ½»¬¿éÒ»ÆðÒԺ㶨µÄËÙ¶Èv0ÏòÓÒ»¬¶¯£®Ô˶¯ÖÐijʱ¿ÌÇáÉþͻȻ¶Ï¿ª£¬µ±µ¯»É»Ö¸´µ½Æä×ÔÈ»³¤¶Èʱ£¬»¬¿éAµÄËÙ¶ÈÕýºÃΪÁ㣮Ôò£º
¢Ùµ¯»ÉµÚÒ»´Î»Ö¸´µ½×ÔÈ»³¤¶Èʱ£¬»¬¿éBµÄËٶȴóСΪ
(m1+m2)
m2
v0
(m1+m2)
m2
v0
£»
¢Ú´ÓÇáÉþ¶Ï¿ªµ½µ¯»ÉµÚÒ»´Î»Ö¸´µ½×ÔÈ»³¤¶ÈµÄ¹ý³ÌÖУ¬µ¯»ÉÊͷŵĵ¯ÐÔÊÆÄÜEp=
(m1+m2)2v02
2m2
-
1
2
(m1+m2)v02
(m1+m2)2v02
2m2
-
1
2
(m1+m2)v02
£®
£¨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¡ÐÞÄ£¿é3-4£©
£¨1£©Ò»ÁÐÑØ×ÅxÖáÕý·½Ïò´«²¥µÄºá²¨£¬ÔÚt=0ʱ¿ÌµÄ²¨ÐÎÈçͼ¼×Ëùʾ£®Í¼¼×ÖÐijÖʵãµÄÕñ¶¯Í¼ÏóÈçͼÒÒËùʾ£®ÖʵãNµÄÕñ·ùÊÇ
 
m£¬Õñ¶¯ÖÜÆÚΪ
 
s£¬Í¼ÒÒ±íʾÖʵã
 
£¨´ÓÖʵãK¡¢L¡¢M¡¢NÖÐÑ¡ÌµÄÕñ¶¯Í¼Ï󣮸ò¨µÄ²¨ËÙΪ
 
m/s£®
¾«Ó¢¼Ò½ÌÍø
£¨2£©¹ßÐÔϵSÖÐÓÐÒ»±ß³¤ÎªlµÄÕý·½ÐΣ¨ÈçͼAËùʾ£©£¬´ÓÏà¶ÔSϵÑØx·½ÏòÒÔ½Ó½ü¹âËÙÔÈËÙ·ÉÐеķÉÐÐÆ÷ÉϲâµÃ¸ÃÕý·½ÐεÄͼÏóÊÇ
 

¾«Ó¢¼Ò½ÌÍø
£¨3£©ÃèÊö¼òгÔ˶¯ÌØÕ÷µÄ¹«Ê½ÊÇx=
 
£®×ÔÓÉÏÂÂäµÄÀºÇò»ºµØÃæ·´µ¯ºóÉÏÉýÓÖÂäÏ£®Èô²»¿¼ÂÇ¿ÕÆø×èÁ¦¼°ÔÚµØÃæ·´µ¯Ê±µÄÄÜÁ¿Ëðʧ£¬´ËÔ˶¯
 
 £¨Ìî¡°ÊÇ¡±»ò¡°²»ÊÇ¡±£©¼òгÔ˶¯£®
3£®£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©ÏÂÁÐʵÑéÖУ¬ÉîÈëµØ½ÒʾÁ˹âµÄÁ£×ÓÐÔÒ»ÃæµÄÓÐ
 
£®
¾«Ó¢¼Ò½ÌÍø
£¨2£©³¡Ç¿ÎªE¡¢·½ÏòÊúÖ±ÏòÉϵÄÔÈÇ¿µç³¡ÖÐÓÐÁ½Ð¡ÇòA¡¢B£¬ËüÃǵÄÖÊÁ¿·Ö±ðΪm1¡¢m2£¬µçÁ¿·Ö±ðΪq1¡¢q2£®A¡¢BÁ½ÇòÓɾ²Ö¹ÊÍ·Å£¬ÖØÁ¦¼ÓËÙ¶ÈΪg£¬ÔòСÇòAºÍB×é³ÉµÄϵͳ¶¯Á¿ÊغãÓ¦Âú×ãµÄ¹ØϵʽΪ
 
£®
£¨3£©Ô¼Àï°Â?¾ÓÀï·ò¸¾Òò·¢ÏÖÈ˹¤·ÅÉäÐÔ¶ø»ñµÃÁË1935ÄêµÄŵ±´¶û»¯Ñ§½±£¬ËûÃÇ·¢ÏֵķÅÉäÐÔÔªËØ1530PË¥±ä³É1430 SiµÄͬʱ·Å³öÁíÒ»ÖÖÁ£×Ó£¬ÕâÖÖÁ£×ÓÊÇ
 
£®1532PÊÇ1530PµÄͬλËØ£¬±»¹ã·ºÓ¦ÓÃÓÚÉúÎïʾ×Ù¼¼Êõ£®1mg1532PËæʱ¼äË¥±äµÄ¹ØϵÈçͼËùʾ£¬Çë¹ÀËã4mgµÄ1532P¾­¶àÉÙÌìµÄË¥±äºó»¹Ê£0.25mg£¿
¾«Ó¢¼Ò½ÌÍø

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

¾«Ó¢¼Ò½ÌÍø