ÌâÄ¿ÄÚÈÝ

9£®¾²Ö¹µÄ﮺Ë${\;}_{3}^{6}$Li·ý»ñÒ»¸öËÙ¶ÈΪv0µÄÖÐ×Ó£¬·¢ÉúºË·´Ó¦ºó²úÉúÁËÁ½¸öÐÂÁ£×Ó£¬ÆäÖÐÒ»¸öÁ£×ÓΪº¤ºË${\;}_{2}^{4}$He£¬ËüµÄËÙ¶È´óСÊÇ$\frac{1}{2}$v0£¬·½ÏòÓ뷴ӦǰµÄÖÐ×ÓËÙ¶È·½ÏòÏàͬ£¬ÒÑÖªÖÐ×ÓµÄÖÊÁ¿Îªm£¬Ôò
£¨1£©Ð´³öºË·´Ó¦·½³Ì
£¨2£©Çó·´Ó¦ºó²úÉúµÄÁíÒ»¸öÁ£×ÓµÄËÙ¶È´óС
£¨3£©Çó·´Ó¦¹ý³ÌÖÐÊͷŵĺËÄÜ£¨Éè·´Ó¦¹ý³ÌÖÐÊͷŵĺËÄÜÈ«²¿×ª±äΪ¶¯ÄÜ£©

·ÖÎö £¨1£©¸ù¾ÝÖÊÁ¿ÊýÊØºãºÍµçºÉÊýÊØºã£¬ÊéдºË·´Ó¦·½³Ì£®
£¨2£©36Li·ý»ñÖÐ×Ó·¢ÉúºË·´Ó¦µÄ¹ý³Ì£¬¶¯Á¿Êغ㣬¸ù¾Ý¶¯Á¿Êغ㶨ÂÉÇó½âδ֪Á£×ÓxyXµÄËÙ¶È´óСºÍ·½Ïò£®
£¨3£©¸ù¾Ý¶¯Á¿Êغ㶨ÂÉÇó½âº¤ºËµÄËÙ¶È£»Çó³öÖÊÁ¿¿÷Ëð£¬ÔÙ¸ù¾Ý°®Òò˹̹ÖÊÄÜ·½³ÌÇó½âºË·´Ó¦ÊͷųöµÄÄÜÁ¿£®

½â´ð ½â£º£¨1£©¸ù¾ÝÖÊÁ¿ÊýÊØºãºÍµçºÉÊýÊØºã£¬ÄÇôºË·´Ó¦·½³ÌΪ£º${\;}_{3}^{6}$Li+${\;}_{0}^{1}$n¡ú${\;}_{2}^{4}$He+${\;}_{1}^{3}$H
£¨2£©ÓÃm1¡¢m2ºÍm3·Ö±ð±íʾÖÐ×Ó£¨${\;}_{0}^{1}$n£©¡¢º¤ºË£¨${\;}_{2}^{4}$He£©ºÍ밺ˣ¨${\;}_{1}^{3}$H£©µÄÖÊÁ¿£¬ÓÃv0¡¢$\frac{1}{2}$v0ºÍv·Ö±ð±íʾÖÐ×Ó¡¢º¤ºËºÍ밺˵ÄËÙ¶È£¬Óɶ¯Á¿Êغ㶨Âɵãº
m1v0=m2$\frac{1}{2}$v0+m3v£¬
ÔòÓУºv=$\frac{{m}_{1}{v}_{0}-{m}_{2}\frac{{v}_{0}}{2}}{{m}_{3}}$
ÒÑÖªÖÐ×ÓµÄÖÊÁ¿Îªm£¬
´úÈëÊýÖµ£¬µÃ£ºv=-$\frac{{v}_{0}}{3}$
¼´·´Ó¦ºóÉú³ÉµÄ밺˵ÄËÙ¶È´óСΪ$\frac{{v}_{0}}{3}$£¬·½ÏòÓ뷴ӦǰÖÐ×ÓµÄËÙ¶È·½ÏòÏà·´£»
£¨3£©·´Ó¦Ç°µÄ×ܶ¯ÄÜΪ£ºE1=$\frac{1}{2}$m${v}_{0}^{2}$
·´Ó¦ºóµÄ×ܶ¯ÄÜΪ£ºE2=$\frac{1}{2}$¡Á4m¡Á£¨$\frac{{v}_{0}}{2}$£©2+$\frac{1}{2}$¡Á3m¡Á£¨$\frac{{v}_{0}}{3}$£©2£»
ÄÇô·´Ó¦¹ý³ÌÖÐÊͷŵĺËÄÜΪ£º¡÷E=E1-E2=£¨$\frac{1}{2}$¡Á4m¡Á£¨$\frac{{v}_{0}}{2}$£©2+$\frac{1}{2}$¡Á3m¡Á£¨$\frac{{v}_{0}}{3}$£©2£©-$\frac{1}{2}$m${v}_{0}^{2}$=$\frac{1}{6}m{v}_{0}^{2}$
´ð£º£¨1£©ºË·´Ó¦·½³Ì£º${\;}_{3}^{6}$Li+${\;}_{0}^{1}$n¡ú${\;}_{2}^{4}$He+${\;}_{1}^{3}$H£»
£¨2£©·´Ó¦ºó²úÉúµÄÁíÒ»¸öÁ£×ÓµÄËÙ¶È´óС$\frac{{v}_{0}}{3}$£»
£¨3£©·´Ó¦¹ý³ÌÖÐÊͷŵĺËÄÜ$\frac{1}{6}m{v}_{0}^{2}$£®

µãÆÀ ΢¹ÛÁ£×ÓµÄÅöײÓëºê¹ÛÎïÌåµÄÅöײÏàËÆ£¬Ò²×ñÊØ¶¯Á¿Êغ㣮ÊéдºË·´Ó¦·½³ÌÊÇ»ù±¾¹¦£¬ÒªÊìÁ·ÕÆÎÕ£¬×¢ÒâºË·´Ó¦×ñÊØÁ½´ó»ù±¾¹æÂÉ£ºÄÜÁ¿Êغ㶨ÂɺͶ¯Á¿Êغ㶨ÂÉ£®×¢Ò⶯Á¿Êغ㶨ÂɵÄʸÁ¿ÐÔ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
1£®Ä³ÊµÑéС×é²ÉÓÃÈçͼ1ËùʾµÄ×°ÖÃÑо¿¡°Ð¡³µÔ˶¯±ä»¯¹æÂÉ¡±£®´òµã¼ÆÊ±Æ÷¹¤×÷ƵÂÊΪ50Hz£®
ʵÑéµÄ²¿·Ö²½ÖèÈçÏ£º
a£®½«Ä¾°åµÄ×ó¶ËµæÆð£¬ÒÔÆ½ºâС³µµÄĦ²ÁÁ¦£»
b£®ÔÚС³µÖзÅÈëíÀÂ룬ֽ´ø´©¹ý´òµã¼ÆÊ±Æ÷£¬Á¬ÔÚС³µºó¶Ë£¬ÓÃϸÏßÁ¬½ÓС³µºÍ¹³Â룻
c£®½«Ð¡³µÍ£ÔÚ´òµã¼ÆÊ±Æ÷¸½½ü£¬½ÓͨµçÔ´£¬ÊÍ·ÅС³µ£¬Ð¡³µÍ϶¯Ö½´ø£¬´òµã¼ÆÊ±Æ÷ÔÚÖ½´øÉÏ´òÏÂһϵÁеĵ㣬¶Ï¿ªµçÔ´£»
d£®¸Ä±ä¹³Âë»òС³µÖÐíÀÂëµÄÖÊÁ¿£¬¸ü»»Ö½´ø£¬Öظ´b¡¢cµÄ²Ù×÷£®

£¨1£©Éè¹³ÂëÖÊÁ¿Îªm1¡¢íÀÂëºÍС³µ×ÜÖÊÁ¿Îªm2£¬ÖØÁ¦¼ÓËÙ¶ÈΪg£¬ÔòС³µµÄ¼ÓËÙ¶ÈΪ£ºa=$\frac{{m}_{1}g}{{m}_{2}+{m}_{1}}$£®£¨ÓÃÌâÖÐËù¸ø×Öĸ±íʾ£©£»
£¨2£©Èçͼ2ÊÇij´ÎʵÑéÖеõ½µÄÒ»ÌõÖ½´ø£¬ÔÚÖ½´øÉÏÈ¡¼ÆÊýµãO¡¢A¡¢B¡¢C¡¢DºÍE£¬ÓÃ×îС¿Ì¶ÈÊǺÁÃ׵Ŀ̶ȳ߽øÐвâÁ¿£¬¶Á³ö¸÷¼ÆÊýµã¶ÔÓ¦µÄ¿Ì¶Èx£¬Í¨¹ý¼ÆËãµÃµ½¸÷¼ÆÊýµãµ½OµÄ¾àÀësÒÔ¼°¶ÔӦʱ¿ÌС³µµÄ˲ʱËÙ¶Èv£®Ç뽫Cµã¶ÔÓ¦µÄ²âÁ¿xCÖµºÍ¼ÆËãËÙ¶ÈvCÖµÌîÔÚ±íÖеÄÏàӦλÖã®
¼ÆÊýµãx/cms/cmv/£¨m•s-1£©
O1.000.30
A2.341.340.38
B4.043.040.46
C5.00
D8.337.330.61
E10.909.900.70
£¨3£©ÊµÑéС×éͨ¹ý»æÖÆ¡÷v2-sͼÏßÀ´·ÖÎöÔ˶¯¹æÂÉ£¨ÆäÖС÷v2=v2-v02£¬vÊǸ÷¼ÆÊýµã¶ÔӦʱ¿ÌС³µµÄ˲ʱËÙ¶È£¬v0ÊÇOµã¶ÔӦʱ¿ÌС³µµÄ˲ʱËÙ¶È£©£®ËûÃǸù¾ÝʵÑéÊý¾ÝÔÚͼ3Öбê³öÁËO¡¢A¡¢B¡¢D¡¢E¶ÔÓ¦µÄ×ø±êµã£¬ÇëÄãÔÚ¸ÃͼÖбê³ö¼ÆÊýµãC¶ÔÓ¦µÄ×ø±êµã£¬²¢»­³ö¡÷v2-sͼÏߣ®
£¨4£©ÊµÑéС×黿֯µÄ¡÷v2-sͼÏßµÄбÂÊk=$2\frac{{{m_1}g}}{{{m_1}+{m_2}}}$£¨ÓÃÌâÖÐËù¸ø×Öĸ±íʾ£©£¬Èô·¢ÏÖ¸ÃбÂÊ´óÓÚÀíÂÛÖµ£¬ÆäÔ­Òò¿ÉÄÜÊÇľ°åµÄ×ó²àµæµÄ¹ý¸ß£®
19£®Ò»¸öСµÆÅݵĶµçѹΪ2.0V£¬¶î¶¨¹¦ÂÊԼΪ1.0W£¬Ñ¡ÓÃÏÂÁÐÆ÷²Ä½øÐÐʵÑ飬²¢ÀûÓÃʵÑéÊý¾ÝÃè»æºÍÑо¿Ð¡µÆÅݵķü°²ÌØÐÔÇúÏß
A£®µçÔ´E£ºµç¶¯ÊÆÎª3.0V£¬ÄÚ×è²»¼Æ
B£®µçѹ±íV1£ºÁ¿³ÌΪ0¡«3V£¬ÄÚ×èԼΪ1k¦¸
C£®µçѹ±íV2£ºÁ¿³ÌΪ0¡«15V£¬ÄÚ×èԼΪ4k¦¸
D£®µçÁ÷±íA1£ºÁ¿³ÌΪ0¡«3A£¬ÄÚ×èԼΪ0.1¦¸
E£®µçÁ÷±íA2£ºÁ¿³ÌΪ0¡«0.6A£¬ÄÚ×èԼΪ0.6¦¸
F£®»¬¶¯±ä×èÆ÷R1£º×î´ó×èֵΪ10¦¸£¬¶î¶¨µçÁ÷Ϊ1.0A
G£®»¬¶¯±ä×èÆ÷R2£º×î´ó×èֵΪ150¦¸£¬¶î¶¨µçÁ÷Ϊ1.0A
H£®¿ª¹ØS£¬µ¼ÏßÈô¸É

£¨1£©ÊµÑéÖÐʹÓõĵçѹ±íӦѡÓÃE£»µçÁ÷±íӦѡÓÃF£»£¨ÇëÌîдѡÏîǰ¶ÔÓ¦µÄ×Öĸ£©£®
£¨2£©ÊµÑéÖÐijͬѧÁ¬½ÓʵÑéµç·Èçͼ¼×Ëùʾ£¬ÇëÄã²»Òª¸Ä¶¯ÒÑÁ¬½ÓµÄµ¼Ïߣ¬ÔÚÏÂÃæµÄʵÎïÁ¬½ÓͼÖаѻ¹ÐèÒªÁ¬½ÓµÄµ¼Ïß²¹ÉÏ£®±ÕºÏ¿ª¹ØÇ°£¬Ó¦Ê¹±ä×èÆ÷»¬Æ¬·ÅÔÚ×î×ó£¨Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©¶Ë£®
£¨3£©Í¼ÒÒÊÇijʵÑéС×éµÄͬѧ¸ù¾ÝʵÑéÊý¾Ý»æÖƶø³ÉµÄСµÆÅݵÄU-IͼÏߣ®
£¨4£©Èô½«ÊµÑéÖеÄСµÆÅݽÓÔÚµç¶¯ÊÆÎª1.5V¡¢ÄÚ×èΪ1.5¦¸µÄµçÔ´Á½¶Ë£¬ÔòСµÆÅݵÄʵ¼Ê¹¦ÂÊԼΪ0.44£¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©£®

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

¾«Ó¢¼Ò½ÌÍø