£¨04Äê½ËÕ¾í£©ÈôÔ×ÓµÄijÄÚ²ãµç×Ó±»µçÀëÐγɿÕ룬ÆäËü²ãµÄµç×ÓԾǨµ½¸Ã¿ÕλÉÏʱ£¬»á½«¶àÓàµÄÄÜÁ¿ÒÔµç´Å·øÉäµÄÐÎʽÊͷųöÀ´£¬´Ëµç´Å·øÉä¾ÍÊÇÔ×ÓµÄÌØÕ÷XÉäÏß¡£ÄÚ²ã¿ÕλµÄ²úÉúÓжàÖÖ»úÖÆ£¬ÆäÖеÄÒ»ÖÖ³ÆΪÄÚת»»£¬¼´Ô×ÓÖд¦ÓÚ¼¤·¢Ì¬µÄºËԾǨ»Ø»ù̬ʱ£¬½«Ô¾Ç¨Ê±ÊͷŵÄÄÜÁ¿½»¸øijһÄÚ²ãµç×Ó£¬Ê¹´ËÄÚ²ãµç×ÓµçÀë¶øÐγɿÕ루±»µçÀëµÄµç×Ó³ÆΪÄÚת»»µç×Ó£©¡£214PoµÄÔ×Ӻ˴Óijһ¼¤·¢Ì¬»Øµ½»ù̬ʱ£¬¿É½«ÄÜÁ¿E0=1.416MeV½»¸øÄÚ²ãµç×Ó(ÈçK¡¢L¡¢M²ãµç×Ó£¬K¡¢L¡¢M±ê¼ÇÔ×ÓÖÐ×î¿¿½üºËµÄÈý¸öµç×Ó²ã)ʹÆäµçÀ롣ʵÑé²âµÃ´Ó214PoÔ×ÓµÄK£¬L¡¢M²ãµçÀë³öµÄµç×ӵĶ¯ÄÜ·Ö±ðΪEk=1.323MeV¡¢EL=1.399MeV¡¢EM=1.412MeV¡£Ôò¿ÉÄÜ·¢ÉäµÄÌØÕ÷XÉäÏßµÄÄÜÁ¿Îª
A. 0.013MeV B. 0.017MeV C. 0.076MeV D. 0.093MeV
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
£¨04Äê½ËÕ¾í£©(16·Ö)Ò»¸öÖÊÁ¿ÎªMµÄÑ©ÇÁ¾²Ö¹ÔÚˮƽѩµØÉÏ£¬Ò»ÌõÖÊÁ¿ÎªmµÄ°®Ë¹»ùĦ¹·Õ¾ÔÚ¸ÃÑ©ÇÁÉÏ¡£¹·ÏòÑ©ÇÁµÄÕýºó·½ÌøÏ£¬ËæºóÓÖ×·¸Ï²¢ÏòÇ°ÌøÉÏÑ©ÇÁ£»Æäºó¹·ÓÖ·´¸´µØÌøÏ¡¢×·¸Ï²¢ÌøÉÏÑ©ÇÁ£¬¹·ÓëÑ©ÇÁʼÖÕÑØÒ»ÌõÖ±ÏßÔ˶¯¡£Èô¹·ÌøÀëÑ©ÇÁʱѩÇÁµÄËÙ¶ÈΪV£¬Ôò´Ëʱ¹·Ïà¶ÔÓÚµØÃæµÄËÙ¶ÈΪV+u£¨ÆäÖÐuΪ¹·Ïà¶ÔÓÚÑ©ÇÁµÄËٶȣ¬V+uΪ´úÊýºÍ¡£ÈôÒÔÑ©ÇÁÔ˶¯µÄ·½ÏòΪÕý·½Ïò£¬ÔòVΪÕýÖµ£¬uΪ¸ºÖµ)¡£Éè¹·×ÜÒÔËÙ¶Èv×·¸ÏºÍÌøÉÏÑ©ÇÁ£¬Ñ©ÇÁÓëÑ©µØ¼äµÄĦ²ÁºöÂÔ²»¼Æ¡£ÒÑÖªvµÄ´óСΪ5m/s£¬uµÄ´óСΪ4m/s£¬M=30kg£¬m=10kg¡£
£¨1£©Çó¹·µÚÒ»´ÎÌøÉÏÑ©ÇÁºóÁ½ÕߵĹ²Í¬ËٶȵĴóС£»
£¨2£©ÇóÑ©ÇÁ×îÖÕËٶȵĴóСºÍ¹·×î¶àÄÜÌøÉÏÑ©ÇÁµÄ´ÎÊý¡££¨¹©Ê¹Óõ«²»Ò»¶¨Óõ½µÄ¶ÔÊýÖµ£ºlg2=O.301£¬lg3=0.477)
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
£¨04Äê½ËÕ¾í£©(16·Ö)Ò»¸öÖÊÁ¿ÎªMµÄÑ©ÇÁ¾²Ö¹ÔÚˮƽѩµØÉÏ£¬Ò»ÌõÖÊÁ¿ÎªmµÄ°®Ë¹»ùĦ¹·Õ¾ÔÚ¸ÃÑ©ÇÁÉÏ¡£¹·ÏòÑ©ÇÁµÄÕýºó·½ÌøÏ£¬ËæºóÓÖ×·¸Ï²¢ÏòÇ°ÌøÉÏÑ©ÇÁ£»Æäºó¹·ÓÖ·´¸´µØÌøÏ¡¢×·¸Ï²¢ÌøÉÏÑ©ÇÁ£¬¹·ÓëÑ©ÇÁʼÖÕÑØÒ»ÌõÖ±ÏßÔ˶¯¡£Èô¹·ÌøÀëÑ©ÇÁʱѩÇÁµÄËÙ¶ÈΪV£¬Ôò´Ëʱ¹·Ïà¶ÔÓÚµØÃæµÄËÙ¶ÈΪV+u£¨ÆäÖÐuΪ¹·Ïà¶ÔÓÚÑ©ÇÁµÄËٶȣ¬V+uΪ´úÊýºÍ¡£ÈôÒÔÑ©ÇÁÔ˶¯µÄ·½ÏòΪÕý·½Ïò£¬ÔòVΪÕýÖµ£¬uΪ¸ºÖµ)¡£Éè¹·×ÜÒÔËÙ¶Èv×·¸ÏºÍÌøÉÏÑ©ÇÁ£¬Ñ©ÇÁÓëÑ©µØ¼äµÄĦ²ÁºöÂÔ²»¼Æ¡£ÒÑÖªvµÄ´óСΪ5m/s£¬uµÄ´óСΪ4m/s£¬M=30kg£¬m=10kg¡£
£¨1£©Çó¹·µÚÒ»´ÎÌøÉÏÑ©ÇÁºóÁ½ÕߵĹ²Í¬ËٶȵĴóС£»
£¨2£©ÇóÑ©ÇÁ×îÖÕËٶȵĴóСºÍ¹·×î¶àÄÜÌøÉÏÑ©ÇÁµÄ´ÎÊý¡££¨¹©Ê¹Óõ«²»Ò»¶¨Óõ½µÄ¶ÔÊýÖµ£ºlg2=O.301£¬lg3=0.477)
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
£¨04Äê½ËÕ¾í£©ÈôÈËÔìÎÀÐÇÈƵØÇò×÷ÔÈËÙÔ²ÖÜÔ˶¯£¬ÔòÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨ £©
A. ÎÀÐǵĹìµÀ°ë¾¶Ô½´ó£¬ËüµÄÔËÐÐËÙ¶ÈÔ½´ó
B. ÎÀÐǵĹìµÀ°ë¾¶Ô½´ó£¬ËüµÄÔËÐÐËÙ¶ÈԽС
C. ÎÀÐǵÄÖÊÁ¿Ò»¶¨Ê±£¬¹ìµÀ°ë¾¶Ô½´ó£¬ËüÐèÒªµÄÏòÐÄÁ¦Ô½´ó
D. ÎÀÐǵÄÖÊÁ¿Ò»¶¨Ê±£¬¹ìµÀ°ë¾¶Ô½´ó£¬ËüÐèÒªµÄÏòÐÄÁ¦Ô½Ð¡
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
£¨04Äê½ËÕ¾í£©ÈôÈËÔìÎÀÐÇÈƵØÇò×÷ÔÈËÙÔ²ÖÜÔ˶¯£¬ÔòÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨ £©
A. ÎÀÐǵĹìµÀ°ë¾¶Ô½´ó£¬ËüµÄÔËÐÐËÙ¶ÈÔ½´ó
B. ÎÀÐǵĹìµÀ°ë¾¶Ô½´ó£¬ËüµÄÔËÐÐËÙ¶ÈԽС
C. ÎÀÐǵÄÖÊÁ¿Ò»¶¨Ê±£¬¹ìµÀ°ë¾¶Ô½´ó£¬ËüÐèÒªµÄÏòÐÄÁ¦Ô½´ó
D. ÎÀÐǵÄÖÊÁ¿Ò»¶¨Ê±£¬¹ìµÀ°ë¾¶Ô½´ó£¬ËüÐèÒªµÄÏòÐÄÁ¦Ô½Ð¡
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com